ATMR.U / Altimar Acquisition Corp. II Units, each consisting of one Class A ordinary share and one-fourth of - Документы SEC, Годовой отчет, Доверенное заявление

Доли Altimar Acquisition Corp. II, каждая из которых состоит из одной обыкновенной акции класса А и одной четверти акций.
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CIK 1836176
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Altimar Acquisition Corp. II Units, each consisting of one Class A ordinary share and one-fourth of
SEC Filings (Chronological Order)
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May 31, 2024 SC 13G/A

Siguler Guff Advisers, LLC - SCHEDULE 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 1)1 Fathom Digital Manufacturing Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 31189Y103 (CUSI

May 31, 2024 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-39994 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant

May 21, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 21, 2024 FATHOM DIGITAL MANUF

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 21, 2024 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 42-0023833 (State or other jurisdiction of incorporatio

May 21, 2024 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on June 03, 2024, pursuant to the provisions of Rule 12d2-2 (a).

May 21, 2024 EX-3.2

SECOND AMENDED AND RESTATED BY-LAWS FATHOM DIGITAL MANUFACTURING CORPORATION A Delaware corporation (Adopted as of May 21, 2024) ARTICLE I

EX-3.2 Exhibit 3.2 SECOND AMENDED AND RESTATED BY-LAWS OF FATHOM DIGITAL MANUFACTURING CORPORATION A Delaware corporation (Adopted as of May 21, 2024) ARTICLE I OFFICES Section 1 Registered Office. The registered office of the corporation in the State of Delaware shall be located at 1209 Orange Street, Corporation Trust Center, in the City of Wilmington, County of New Castle, Delaware 19801. The n

May 21, 2024 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 4) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 4) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the Issuer) Fathom Digital Manufacturing Corporation Fathom Holdco, LLC Fathom Digital Manufacturing Topco, LLC Fathom Digital Manufact

May 21, 2024 S-8 POS

As filed with the Securities and Exchange Commission on May 21, 2024

As filed with the Securities and Exchange Commission on May 21, 2024 Registration No.

May 21, 2024 SC 13D/A

FATHW / Fathom Digital Manufacturing Corporation - Equity Warrant / CORE Industrial Partners Fund I, L.P. - SC 13D/A Activist Investment

SC 13D/A 1 d822066dsc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5) Fathom Digital Manufacturing Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 31189Y 103 (CUSIP Number) John R. May c/o CORE Industrial Partners GP I, LLC

May 21, 2024 EX-3.1

SECOND AMENDED AND RESTATED CERTIFICATE OF INCORPORATION FATHOM DIGITAL MANUFACTURING CORPORATION ARTICLE ONE

Exhibit 3.1 SECOND AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF FATHOM DIGITAL MANUFACTURING CORPORATION *** ARTICLE ONE The name of the corporation is Fathom Digital Manufacturing Corporation (the “Corporation”). ARTICLE TWO The address of the Corporation’s registered office in the State of Delaware is 1209 Orange Street, in the City of Wilmington, County of New Castle, Delaware, 19801. T

May 21, 2024 POS AM

As filed with the Securities and Exchange Commission on May 21, 2024

As filed with the Securities and Exchange Commission on May 21, 2024 Registration No.

May 17, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 17, 2024 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorporatio

May 15, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

ROC UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 Fathom Digital Manufacturing Corporation (Exact name of registrant as specified in its charter) Delaware 40-0023833 (State or other jurisdiction of incorporation or organization) (I.

May 14, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒     Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy S

May 14, 2024 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 3) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 3) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the Issuer) Fathom Digital Manufacturing Corporation Fathom Holdco, LLC Fathom Digital Manufacturing Topco, LLC Fathom Digital Manufacturing Intermediate

May 10, 2024 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 10, 2024 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorporatio

April 29, 2024 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No.1 (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-399

April 19, 2024 EX-99.(C)(III)

Discussion Materials of Kroll, LLC, operating through its Duff & Phelps Opinions Practice, to the Special Committee, dated February 15, 2024.

Exhibit (c)(iii) Confidential Discussion Materials Prepared by: Prepared for: The Special Committee of the Board of Directors Duff & Phelps Opinions Practice of Fathom Digital Manufacturing Corporation February 15, 2024 Private and Confidential The information contained herein is of a confidential nature and is intended for the exclusive use of the persons or firm to whom it is furnished by us.

April 19, 2024 EX-FILING FEES

Filing Fee Table.

Exhibit 107 CALCULATION OF FILING FEE TABLES Schedule 13E-3 (Form Type) Fathom Digital Manufacturing Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Proposed   Maximum  Aggregate  Value of  Transaction   Fee   Rate   Amount of   Filing Fee  Fee Paid $12,607,944(1)  0.

April 19, 2024 EX-99.(B)(I)

Equity Commitment Letter, dated February 16, 2024, executed by CORE Fund I, CORE Fund I Parallel, CORE Fund III and CORE Fund III Parallel and accepted and agreed to by Parent.

Exhibit (b)(i) February 16, 2024 Fathom Digital Manufacturing Intermediate, LLC c/o CORE Industrial Partners, LLC 110 N Wacker Drive Suite 2000 Chicago, Illinois 60606 Attention: John May Re: Commitment to Purchase Securities Ladies and Gentlemen: Reference is made to that certain Agreement and Plan of Merger, dated as of the date hereof (the “Agreement”), by and among Fathom Digital Manufacturing Intermediate, LLC, a Delaware limited liability company (“Parent”), Fathom Digital Manufacturing Merger Sub, Inc.

April 19, 2024 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

April 19, 2024 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 2) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 2) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the Issuer) Fathom Digital Manufacturing Corporation Fathom Holdco, LLC Fathom Digital Manufacturing Topco, LLC Fathom Digital Manufacturing Intermediate

April 19, 2024 EX-99.(C)(II)

Discussion Materials of Kroll, LLC, operating through its Duff & Phelps Opinions Practice, to the Special Committee, dated December 23, 2023.

Exhibit (c)(ii) Confidential Discussion Materials Prepared by: Prepared for: The Special Committee of the Board of Directors Duff & Phelps Opinions Practice of Fathom Digital Manufacturing Corporation December 23, 2023 Private and Confidential The information contained herein is of a confidential nature and is intended for the exclusive use of the persons or firm to whom it is furnished by us.

April 16, 2024 EX-10.1

Amended and Restated Tax Receivable Agreement, dated as of April 4, 2023, by and among Fathom Digital Manufacturing Corporation, and the other parties thereto.

EXECUTION VERSION Exhibit 10.1 AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT by and among FATHOM DIGITAL MANUFACTURING CORPORATION and the MAJORITY TRA PARTIES (as defined herein) Dated as of April 4, 2023 AmericasActive:18057467.3 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 3 Section 1.1 Definitions 3 Section 1.2 Rules of Construction 13 ARTICLE II DETERMINATION OF REALIZED TAX BENEFIT 14 Sectio

April 16, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 FATHOM DIGITAL

April 16, 2024 EX-97.1

Clawback Policy

Exhibit 97.1 FATHOM DIGITAL MANUFACTURING CORP. Incentive Based Compensation Recoupment Policy 1. Purpose. The purpose of the Fathom Digital Manufacturing Corp. Incentive Based Compensation Recoupment Policy (the “Policy”) is to set forth the circumstances in which Fathom Digital Manufacturing Corp. (the “Company”) will recover the amount of Erroneously Awarded Compensation (as defined below) rece

April 15, 2024 EX-99.(C)(II)

Discussion Materials of Kroll, LLC, operating through its Duff & Phelps Opinions Practice, to the Special Committee, dated December 23, 2023.

EX-99.(c)(ii) Exhibit (c)(ii) Confidential Discussion Materials Prepared by: Prepared for: The Special Committee of the Board of Directors Duff & Phelps Opinions Practice of Fathom Digital Manufacturing Corporation December 23, 2023 Private and Confidential The information contained herein is of a confidential nature and is intended for the exclusive use of the persons or firm to whom it is furnis

April 15, 2024 PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

PRER14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 15, 2024 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES Exhibit 107 CALCULATION OF FILING FEE TABLES Schedule 13E-3 (Form Type) Fathom Digital Manufacturing Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Proposed   Maximum  Aggregate  Value of  Transaction   Fee   Rate   Amount of   Filing Fee  Fee Paid $12,607,944(1)  0.

April 15, 2024 EX-99.(B)(I)

Equity Commitment Letter, dated February 16, 2024, executed by CORE Fund I, CORE Fund I Parallel, CORE Fund III and CORE Fund III Parallel and accepted and agreed to by Parent.

EX-99.(b)(i) Exhibit (b)(i) February 16, 2024 Fathom Digital Manufacturing Intermediate, LLC c/o CORE Industrial Partners, LLC 110 N Wacker Drive Suite 2000 Chicago, Illinois 60606 Attention: John May Re: Commitment to Purchase Securities Ladies and Gentlemen: Reference is made to that certain Agreement and Plan of Merger, dated as of the date hereof (the “Agreement”), by and among Fathom Digital

April 15, 2024 SC 13E3/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 1) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the

SC 13E3/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 1) RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES EXCHANGE ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the Issuer) Fathom Digital Manufacturing Corporation Fathom Holdco, LLC Fathom Digital Manufacturing Topco, LLC Fathom Digital Manufacturing In

April 15, 2024 EX-99.(C)(III)

Discussion Materials of Kroll, LLC, operating through its Duff & Phelps Opinions Practice, to the Special Committee, dated February 15, 2024.

EX-99.(c)(iii) Exhibit (c)(iii) Confidential Discussion Materials Prepared by: Prepared for: The Special Committee of the Board of Directors Duff & Phelps Opinions Practice of Fathom Digital Manufacturing Corporation February 15, 2024 Private and Confidential The information contained herein is of a confidential nature and is intended for the exclusive use of the persons or firm to whom it is furn

April 15, 2024 CORRESP

April 15, 2024

April 15, 2024 CONFIDENTIAL Re: Fathom Digital Manufacturing Corporation Schedule 13E-3 filed March 20, 2024 SEC File No.

April 2, 2024 EX-10.2

Guarantee Agreement, dated as of April 1, 2024, by and among certain indirect wholly-owned subsidiaries of Fathom Digital Manufacturing Corporation and CORE Industrial Partners Fund I, L.P.

Exhibit 10.2 GUARANTEE AGREEMENT dated as of April 1, 2024 (as amended, restated, amended and restated, supplemented and/or otherwise modified from time to time, this “Agreement”), among the Guarantors (as defined below) from time to time party hereto and CORE Industrial Partners Fund I, L.P., a Delaware limited partnership (for the benefit of the Lending Parties, together with its successors and

April 2, 2024 SC 13D/A

FATH / Fathom Digital Manufacturing Corporation / CORE Industrial Partners Fund I, L.P. - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4) Fathom Digital Manufacturing Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 31189Y 103 (CUSIP Number) John R. May c/o CORE Industrial Partners GP I, LLC 110 N Wacker Drive, Suite 2200

April 2, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 2, 2024 (April 1, 2024) FAT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 2, 2024 (April 1, 2024) FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdictio

April 2, 2024 EX-10.1

Unsecured Promissory Note, dated as of April 1, 2024, by and among Fathom Manufacturing, LLC, CORE Industrial Partners Fund I, L.P and CORE Industrial Partners Fund I Parallel, L.P.

10.1 UNSECURED PROMISSORY NOTE $2,500,000.00 April 1, 2024 For value received, Fathom Manufacturing, LLC, a Delaware limited liability company (the “Borrower”), promises to pay to CORE Industrial Partners Fund I, L.P. (the “Lender”) on behalf of CORE Industrial Partners Fund I, L.P., a Delaware limited partnership (“Main Fund”) and CORE Industrial Partners Fund I Parallel, L.P., a Delaware limited

April 1, 2024 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 SEC FILE NUMBER 001-39994 NOTIFICATION OF LATE FILING CUSIP NUMBER 31189Y103 (Check one): ☒ Form 10-K  Form20-F  Form 11-K  Form 10-Q  Form 10-D  Form N-CEN  Form N-CSR For Period Ended: December 31, 2023  Transition Report on Form 10-K  Transition Report on Form 20-F  Transition Report on Form 11-K  Tran

March 20, 2024 SC 13E3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the Issuer) Fathom Digital Man

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 RULE 13E-3 TRANSACTION STATEMENT UNDER SECTION 13(E) OF THE SECURITIES ACT OF 1934 FATHOM DIGITAL MANUFACTURING CORPORATION (Name of the Issuer) Fathom Digital Manufacturing Corporation Fathom Holdco, LLC Fathom Digital Manufacturing Topco, LLC Fathom Digital Manufacturing Intermediate, LLC Fathom Digital Manufa

March 20, 2024 EX-FILING FEES

CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) Fathom Digital Manufacturing Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Proposed Maximum Aggregate Value of Transaction  Fee rate  Amount

EX-FILING FEES Exhibit 107 CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) Fathom Digital Manufacturing Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Proposed Maximum Aggregate Value of Transaction  Fee rate  Amount of Filing Fee Fees to be Paid $ 12,607,944 (1) 0.

March 20, 2024 PREM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

PREM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 20, 2024 EX-99.(C)(III)

Discussion Materials of Kroll, LLC, operating through its Duff & Phelps Opinions Practice, to the Special Committee, dated February 15, 2024.

Exhibit (c)(iii) Confidential Discussion Materials Prepared by: Prepared for: The Special Committee of the Board of Directors Duff & Phelps Opinions Practice of Fathom Digital Manufacturing Corporation February 15, 2024 Private and Confidential The information contained herein is of a confidential nature and is intended for the exclusive use of the persons or firm to whom it is furnished by us.

March 20, 2024 EX-FILING FEES

Filing Fee Table.

Exhibit 107 CALCULATION OF FILING FEE TABLES Schedule 13E-3 (Form Type) Fathom Digital Manufacturing Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Proposed   Maximum  Aggregate  Value of  Transaction   Fee   Rate   Amount of   Filing Fee  Fee Paid $12,607,944(1)  0.

March 20, 2024 EX-99.(C)(II)

Discussion Materials of Kroll, LLC, operating through its Duff & Phelps Opinions Practice, to the Special Committee, dated December 23, 2023.

Exhibit (c)(ii) Confidential Discussion Materials Prepared by: Prepared for: The Special Committee of the Board of Directors Duff & Phelps Opinions Practice of Fathom Digital Manufacturing Corporation December 23, 2023 Private and Confidential The information contained herein is of a confidential nature and is intended for the exclusive use of the persons or firm to whom it is furnished by us.

March 20, 2024 EX-99.(B)(I)

Equity Commitment Letter, dated February 16, 2024, executed by CORE Fund I, CORE Fund I Parallel, CORE Fund III and CORE Fund III Parallel and accepted and agreed to by Parent.

Exhibit (b)(i) February 16, 2024 Fathom Digital Manufacturing Intermediate, LLC c/o CORE Industrial Partners, LLC 110 N Wacker Drive Suite 2000 Chicago, Illinois 60606 Attention: John May Re: Commitment to Purchase Securities Ladies and Gentlemen: Reference is made to that certain Agreement and Plan of Merger, dated as of the date hereof (the “Agreement”), by and among Fathom Digital Manufacturing Intermediate, LLC, a Delaware limited liability company (“Parent”), Fathom Digital Manufacturing Merger Sub, Inc.

March 1, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 28, 2024 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorpo

February 20, 2024 EX-10.2

Amendment No. 1 to the Amended and Restated Tax Receivable Agreement, dated as of February 16, 2024 (included as Exhibit 10.2 to the Form 8-K and incorporated herein by reference).

Exhibit 10.2 Amendment No. 1 to the Amended and Restated Tax Receivable Agreement This Amendment No. 1 (this “Amendment”), dated and effective as of February 16, 2024, amends that certain Amended and Restated Tax Receivable Agreement, dated as of April 4, 2023 (the “TRA”), by and among Fathom Digital Manufacturing Corporation, a Delaware corporation (the “Corporation”) and the Majority TRA Parties

February 20, 2024 SC 13D/A

FATH / Fathom Digital Manufacturing Corporation / May John - SC 13D/A Activist Investment

SC 13D/A 1 d743899dsc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3) Fathom Digital Manufacturing Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 31189Y 103 (CUSIP Number) John R. May c/o CORE Industrial Partners GP I, LLC

February 20, 2024 EX-10.1

Fourth Amendment, dated as of February 16, 2024, to the Credit Agreement, dated as of December 23, 2021, as previously amended by the First Amendment, Second Amendment and Third Amendment thereto, by and among Fathom Guarantor, LLC, Fathom Manufacturing, LLC, the Lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent (incorporated by reference to Exhibit 10.1 to Fathom’s Current Report on Form 8-K filed with the SEC on February 20, 2024).

Exhibit 10.1 FOURTH AMENDMENT dated as of February 16, 2024 (this “Amendment”), to the Credit Agreement dated as of December 23, 2021 (as in effect immediately prior to giving effect to this Amendment, the “Existing Credit Agreement”), among FATHOM GUARANTOR, LLC, a Delaware limited liability company (“Holdings”), FATHOM MANUFACTURING, LLC, a Delaware limited liability company (the “Borrower”), th

February 20, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 16, 2024 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorpo

February 20, 2024 EX-2.1

Agreement and Plan of Merger, dated as of February 16, 2024, by and among Fathom Digital Manufacturing Intermediate, LLC , Fathom Digital Manufacturing Merger Sub, Inc., Fathom Digital Manufacturing Merger Sub 2, LLC,, Fathom Holdco, LLC, and Fathom Digital Manufacturing Corporation.

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among FATHOM DIGITAL MANUFACTURING INTERMEDIATE, LLC, FATHOM DIGITAL MANUFACTURING MERGER SUB, INC., FATHOM DIGITAL MANUFACTURING MERGER SUB 2, LLC, FATHOM HOLDCO, LLC and FATHOM DIGITAL MANUFACTURING CORPORATION Dated as of February 16, 2024 TABLE OF CONTENTS Page 1 ARTICLE I DEFINITIONS & INTERPRETATIONS 3 1.1 Certain Definitions 3 1.2 Additional D

February 20, 2024 EX-10.3

Amendment No. 1 to the Second Amended and Restated Limited Liability Company Agreement of Fathom Holdco, LLC, dated as of February 16, 2024 (included as Exhibit 10.3 to the Form 8-K and incorporated herein by reference).

Exhibit 10.3 Amendment No. 1 to the Second Amended and Restated Limited Liability Company Agreement of Fathom Holdco, LLC This Amendment No. 1 (this “Amendment”), dated and effective as of February 16, 2024, amends that certain Second Amended and Restated Limited Liability Company Agreement of Fathom Holdco, LLC (the “Company”), dated as of December 23, 2021 (the “LLC Agreement”), by and among Fat

February 20, 2024 EX-10.4

Support Agreement, dated as of February 16, 2024, by and among Fathom Digital Manufacturing Corporation, Fathom Digital Manufacturing Intermediate, LLC, and the stockholders party thereto (incorporated by reference to Exhibit 10.4 to Fathom’s Current Report on Form 8-K filed with the SEC on February 20, 2024).

Exhibit 10.4 SUPPORT AGREEMENT THIS SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of February 16, 2024, by and among Fathom Digital Manufacturing Corporation, a Delaware corporation (the “Company”), Fathom Digital Manufacturing Intermediate, LLC, a Delaware limited liability company (“Parent”) and the undersigned stockholders of the Company (collectively, the “Supporting Holders

February 1, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 31, 2024 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorpor

February 1, 2024 EX-10.1

Extension Consent Letter dated as of January 31, 2024, among certain subsidiaries of the Company, certain Lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent, relating to the Credit Agreement, dated as of December 23, 2021, as previously amended by the First Amendment, Second Amendment and Third Amendment thereto, among Fathom Guarantor, LLC, Fathom Manufacturing, LLC, the Lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent.

Exhibit 10.1 EXECUTION VERSION EXTENSION CONSENT LETTER January 31, 2024 Fathom Manufacturing, LLC 1050 Walnut Ridge Drive Hartland, WI 53029 Attn: Mark Frost, Chief Financial Officer Re: Extension Consent to Outside Signing Date (as defined below) Ladies and Gentlemen: Reference is hereby made to that certain Credit Agreement, dated as of December 23, 2021 (as amended, restated, amended and resta

January 25, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 19, 2024 FATHOM DIGITAL M

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 19, 2024 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorpor

November 27, 2023 EX-99.1

Fathom Digital Manufacturing Corporation Receives Non-Binding Acquisition Proposal From CORE Industrial Partners

Exhibit 99.1 Fathom Digital Manufacturing Corporation Receives Non-Binding Acquisition Proposal From CORE Industrial Partners HARTLAND, Wis., November 27, 2023 - Fathom Digital Manufacturing Corp. (NYSE: FATH), an industry leader in on-demand digital manufacturing services, today announced that it has received a non-binding proposal from CORE Industrial Partners, LLC on behalf of itself and its af

November 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 27, 2023 FATHOM DIGITAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 27, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorpo

November 24, 2023 SC 13D/A

FATH / Fathom Digital Manufacturing Corporation - Class A / May John - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2) Fathom Digital Manufacturing Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 31189Y 103 (CUSIP Number) John R. May c/o CORE Industrial Partners Fund I GP, LLC 110 N Wacker Drive, Suite

November 24, 2023 EX-99.8

[Letterhead of CORE Industrial Partners]

EX-99.8 2 d619218dex998.htm EX-99.8 Exhibit 8 [Letterhead of CORE Industrial Partners] November 22, 2023 Special Committee of the Board of Directors Fathom Digital Manufacturing Corporation 1050 Walnut Ridge Drive Hartland, Wisconsin 53029 Dear Members of the Special Committee of the Board of Directors: CORE Industrial Partners, LLC (“CORE”, “we”, “our” or “us”), on behalf of itself and its affili

November 14, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 14, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorpo

November 14, 2023 EX-99.2

Q3 2023 Financial Results November 14, 2023

Q3 2023 Financial Results November 14, 2023 Forward-Looking Statements Certain statements made in this presentation are “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995.

November 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

ROC UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 Fathom Digital Manufacturing Corporation (Exact name of registrant as specified in its charter) Delaware 40-0023833 (State or other jurisdiction of incorporation or organization) (I.

November 14, 2023 EX-99.1

Fathom Digital Manufacturing Reports Third Quarter 2023 Financial Results

Fathom Digital Manufacturing Reports Third Quarter 2023 Financial Results Third Quarter 2023 Highlights • Revenue totaled $31.

November 14, 2023 EX-10.1

Third Amendment dated as of November 13, 2023 to Credit Agreement, dated as of December 23, 2021, as previously amended by the First Amendment and the Second Amendment thereto, among Fathom Guarantor, LLC, Fathom Manufacturing, LLC, the Lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent.

Exhibit 10.1 EXECUTION VERSION THIRD AMENDMENT dated as of November 13, 2023 (this “Amendment”), to the Credit Agreement dated as of December 23, 2021 (as in effect prior to giving effect to this Amendment, the “Existing Credit Agreement”), among FATHOM GUARANTOR, LLC, a Delaware limited liability company (“Holdings”), FATHOM MANUFACTURING, LLC, a Delaware limited liability company (the “Borrower”

October 23, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2023 FATHOM DIGITAL M

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 42-0023833 (State or other jurisdiction of incorpor

October 23, 2023 EX-99.1

Fathom Digital Manufacturing Corporation Appoints Carey Chen as Chief Executive Officer

EX-99.1 Exhibit 99.1 Press Release Fathom Digital Manufacturing Corporation Appoints Carey Chen as Chief Executive Officer HARTLAND, WI – October 23, 2023 — Fathom Digital Manufacturing Corp. (NYSE: FATH) (“Fathom” or the “Company”), an industry leader in on-demand digital manufacturing services, today announced that its Board of Directors has appointed Carey Chen as Chief Executive Officer of the

October 23, 2023 EX-10.2

Restricted Stock Unit Award Agreement (Inducement) dated October 23, 2023 by and between Fathom Digital Manufacturing Corporation and Carey Chen (filed herewith).

EX-10.2 Exhibit 10.2 Execution Version FATHOM DIGITAL MANUFACTURING CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (INDUCEMENT) THIS RESTRICTED STOCK UNIT AGREEMENT (this “Agreement”) is made effective as of October 23, 2023 (the “Grant Date”) by and between Fathom Digital Manufacturing Corporation, a Delaware corporation (the “Company”), and Carey Chen (the “Participant”). WHEREAS, the Partici

October 23, 2023 EX-10.3

Performance Stock Unit Award Agreement (Inducement) dated October 23, 2023 by and between Fathom Digital Manufacturing Corporation and Carey Chen (filed herewith).

EX-10.3 Exhibit 10.3 Execution Version FATHOM DIGITAL MANUFACTURING CORPORATION PERFORMANCE STOCK UNIT AWARD AGREEMENT (INDUCEMENT) THIS PERFORMANCE STOCK UNIT AGREEMENT (this “Agreement”) is made effective as of October 23, 2023 (the “Grant Date”) by and between Fathom Digital Manufacturing Corporation, a Delaware corporation (the “Company”), and Carey Chen (the “Participant”). WHEREAS, the Parti

October 23, 2023 EX-10.1

Letter agreement regarding terms of employment dated October 23, 2023 by and between Fathom Digital Manufacturing Corporation and Carey Chen (filed herewith).

EX-10.1 Exhibit 10.1 Execution Version Fathom Digital Manufacturing Corporation October 23, 2023 Carey Chen Re: Offer Letter Dear Carey: On behalf of Fathom Digital Manufacturing Corporation, a Delaware corporation (together with its successors, the “Company”), I am pleased to confirm our offer to you for full-time employment in the position of Chief Executive Officer of the Company, reporting to

October 2, 2023 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange ("NYSE" or the "Exchange") hereby notifies the Securities and Exchange Commission (the "Commission") of its intention to remove the entire class of Warrants, each exercisable for one share of Class A Common Stock at an exercise price of $11.

September 28, 2023 EX-99.1

Fathom Digital Manufacturing 1-for-20 Reverse Stock Split Becomes Effective

Exhibit 99.1 Fathom Digital Manufacturing 1-for-20 Reverse Stock Split Becomes Effective HARTLAND, Wis., September 28, 2023 – Fathom Digital Manufacturing Corp. (“Fathom” or the “Company”) (NYSE: FATH), an industry leader in on-demand digital manufacturing services, today announced that its previously announced 1-for-20 reverse stock split of the Company’s common stock, par value $0.0001 per share

September 28, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 28, 2023 FATHOM DIGITAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 28, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorp

September 28, 2023 EX-3.1

Amended and Restated Certificate of Incorporation of Fathom Digital Manufacturing Corporation

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF FATHOM DIGITAL MANUFACTURING CORPORATION Fathom Digital Manufacturing Corporation, a corporation organized and existing under the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify as follows: 1. The name of the corporation is “Fathom Digital Manufacturing Corporation.” The original Certificate of Inco

September 22, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 21, 2023 FATHOM DIGITAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 21, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorp

September 18, 2023 EX-99.1

Fathom Digital Manufacturing Announces 1-for-20 Reverse Stock Split

Fathom Digital Manufacturing Announces 1-for-20 Reverse Stock Split HARTLAND, Wis.

September 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 15, 2023 FATHOM DIGITAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 15, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorp

September 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 5, 2023 FATHOM DIGITAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): September 5, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorpo

August 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 14, 2023 FATHOM DIGITAL MA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 14, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorpora

August 14, 2023 EX-99.2

Q2 2023 Financial Results August 14, 2023

Q2 2023 Financial Results August 14, 2023 Forward-Looking Statements Certain statements made in this presentation are “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995.

August 14, 2023 EX-99.1

Fathom Digital Manufacturing Reports Second Quarter 2023 Financial Results

Exhibit 99.1 Fathom Digital Manufacturing Reports Second Quarter 2023 Financial Results Second Quarter 2023 Highlights • Revenue totaled $34.5 million • Total orders were $38.0 million • Net loss totaled $(7.3) million; Adjusted net loss1 was $(5.7) million • Adjusted EBITDA1 totaled $4.8 million, representing an Adjusted EBITDA margin1 of 14.0% First Half 2023 Highlights • Revenue totaled $69.5 m

August 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

ROC UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 Fathom Digital Manufacturing Corporation (Exact name of registrant as specified in its charter) Delaware 40-0023833 (State or other jurisdiction of incorporation or organization) (I.

August 10, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 4, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorporat

August 10, 2023 EX-10.1

Consulting Agreeement between the Company and Richard Stump, effective August 4, 2023

Exhibit 10.1 Execution Version CONSULTING Agreement THIS CONSULTING AGREEMENT (this “Agreement”), is made as of August 4, 2023 (the “Effective Date”), by and between Fathom Digital Manufacturing Corporation (the “Company”) and Richard Stump (“Consultant”). WHEREAS, the Company and Consultant are parties to that certain Offer Letter, dated as of December 23, 2021 (the “Offer Letter”); WHEREAS, Cons

July 13, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 11, 2023 FATHOM DIGITAL MANU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 11, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 40-0023833 (State or other jurisdiction of incorporati

July 13, 2023 EX-3.1

The First State

Exhibit 3.1 Delaware Page 1 The First State I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF “FATHOM DIGITAL MANUFACTURING CORPORATION”, FILED IN THIS OFFICE ON THE ELEVENTH DAY OF JULY, A.D. 2023, AT 3:14 O`CLOCK P.M. Authentication: 203724786 Date: 07-11-23 6379249 8100 SR# 20232967577

June 22, 2023 424B3

52,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COMMON STOCK UNDER

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 Registration No. 333-262194 PROSPECTUS 52,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COMMON STOCK UNDERLYING CLASS B COMMON STOCK

May 31, 2023 EX-1.01

FATHOM DIGITAL MANUFACTURING CORPORATION CONFLICT MINERALS REPORT For the reporting period from January 1, 2022 to December 31, 2022

Exhibit 1.01 FATHOM DIGITAL MANUFACTURING CORPORATION CONFLICT MINERALS REPORT For the reporting period from January 1, 2022 to December 31, 2022 This Conflict Minerals Report (this “Report”) of Fathom Digital Manufacturing Corporation. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as am

May 31, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Fathom Digital Manufacturing Corporation (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Fathom Digital Manufacturing Corporation (Exact name of the registrant as specified in its charter) Delaware 001-39994 (State or other jurisdiction of incorporation) (Commission file number) 1050 Walnut Ridge Drive Hartland, WI 53029 (Address of principal executive offices) (Zip Code) Mark

May 25, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ☒ Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2) ☒ Definitive Proxy Statemen

May 25, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ☒ Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2) ☐ Definitive Proxy Statemen

May 22, 2023 POS AM

As filed with the United States Securities and Exchange Commission on May 22, 2023

POS AM Table of Contents As filed with the United States Securities and Exchange Commission on May 22, 2023 Registration No.

May 22, 2023 RW

May 22, 2023

RW May 22, 2023 VIA EDGAR Securities and Exchange Commission (the “Commission”) 100 F Street, N.

May 15, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 15, 2023 FATHOM DIGITAL MANUF

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 15, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorporatio

May 15, 2023 10-Q

Form 10-Q

ROC UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 Fathom Digital Manufacturing Corporation (Exact name of registrant as specified in its charter) Delaware 98-1571400 (State or other jurisdiction of incorporation or organization) (I.

May 15, 2023 EX-99.1

Fathom Digital Manufacturing Reports First Quarter 2023 Financial Results

Fathom Digital Manufacturing Reports First Quarter 2023 Financial Results First Quarter 2023 Highlights • Revenue totaled $35.

May 15, 2023 EX-99.2

Q1 2022 Financial Results May 16, 2022

Q1 2022 Financial Results May 16, 2022 Forward-Looking Statements Certain statements made in this presentation are “forward looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995.

May 12, 2023 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 ☒ Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2) ☐ Definitive Proxy Statemen

May 1, 2023 10-K/A

Form 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No.1 (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-399

April 13, 2023 POS AM

As filed with the United States Securities and Exchange Commission on April 13, 2023

POS AM Table of Contents As filed with the United States Securities and Exchange Commission on April 13, 2023 Registration No.

April 13, 2023 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Fathom Digital Manufacturing Corporation (Exact Name Of Registrant As Specified In Its Charter) Table 3: Combined Prospectuses Security Type Security Class Title Amount of Securities Previously Registered(1) Maximum Aggregate Offering Price of Securities Previously Registered Form Type File Number Initial Effective Date Equity Class A common stock, par value $0.

April 13, 2023 POS AM

As filed with the United States Securities and Exchange Commission on April 13, 2023

POS AM Table of Contents As filed with the United States Securities and Exchange Commission on April 13, 2023 Registration No.

April 13, 2023 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Fathom Digital Manufacturing Corporation (Exact Name Of Registrant As Specified In Its Charter) Table 3: Combined Prospectuses Security Type Security Class Title Amount of Securities Previously Registered(1) Maximum Aggregate Offering Price of Securities Previously Registered Form Type File Number Initial Effective Date Equity Class A common stock, par value $0.

April 10, 2023 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 PROSPECTUS SUPPLEMENT NO. 4 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock This prospectus supplement is being filed to update and supplement the prospectus dated May 2, 2022, as supplemented by Prospectus Supplement No. 1, dated May 17, 2022, Prospectus Supplement No.

April 10, 2023 EX-10

AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT by and among FATHOM DIGITAL MANUFACTURING CORPORATION the MAJORITY TRA PARTIES (as defined herein) Dated as of April 4, 2023

EXECUTION VERSION Exhibit 10.1 AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT by and among FATHOM DIGITAL MANUFACTURING CORPORATION and the MAJORITY TRA PARTIES (as defined herein) Dated as of April 4, 2023 AmericasActive:18057467.3 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 3 Section 1.1 Definitions 3 Section 1.2 Rules of Construction 13 ARTICLE II DETERMINATION OF REALIZED TAX BENEFIT 14 Sectio

April 10, 2023 EX-10

AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT by and among FATHOM DIGITAL MANUFACTURING CORPORATION the MAJORITY TRA PARTIES (as defined herein) Dated as of April 4, 2023

EXECUTION VERSION Exhibit 10.1 AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT by and among FATHOM DIGITAL MANUFACTURING CORPORATION and the MAJORITY TRA PARTIES (as defined herein) Dated as of April 4, 2023 AmericasActive:18057467.3 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 3 Section 1.1 Definitions 3 Section 1.2 Rules of Construction 13 ARTICLE II DETERMINATION OF REALIZED TAX BENEFIT 14 Sectio

April 10, 2023 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 PROSPECTUS SUPPLEMENT NO. 5 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COMM

April 10, 2023 SC 13D/A

FATH / Fathom Digital Manufacturing Corporation - Class A / May John - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1) Fathom Digital Manufacturing Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 31189Y 103 (CUSIP Number) John R. May c/o CORE Industrial Partners Fund I GP, LLC 150 North Riverside Drive

April 7, 2023 10-K

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 FATHOM DIGITAL

April 7, 2023 EX-10

Amended and Restated Tax Receivable Agreement, dated as of April 4, 2023, by and among Fathom Digital Manufacturing Corporation, and the other parties thereto,.

EXECUTION VERSION Exhibit 10.1 AMENDED AND RESTATED TAX RECEIVABLE AGREEMENT by and among FATHOM DIGITAL MANUFACTURING CORPORATION and the MAJORITY TRA PARTIES (as defined herein) Dated as of April 4, 2023 AmericasActive:18057467.3 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 3 Section 1.1 Definitions 3 Section 1.2 Rules of Construction 13 ARTICLE II DETERMINATION OF REALIZED TAX BENEFIT 14 Sectio

April 4, 2023 EX-99

Fathom Digital Manufacturing Receives Notice of Noncompliance with the NYSE’s Continued Listing Standard

Exhibit 99.1 Fathom Digital Manufacturing Receives Notice of Noncompliance with the NYSE’s Continued Listing Standard HARTLAND, Wis., April 4, 2023 - Fathom Digital Manufacturing Corp. (NYSE: FATH), an industry leader in on-demand digital manufacturing services, today announced it was notified on March 29, 2023, by the New York Stock Exchange (the “NYSE”) that the average closing price of the Comp

April 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 29, 2023 FATHOM DIGITAL MAN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 29, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorporat

April 3, 2023 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 PROSPECTUS SUPPLEMENT NO. 4 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COMM

April 3, 2023 EX-99

Fathom Digital Manufacturing Reports Fourth Quarter and Full Year 2022 Preliminary Unaudited Financial Results

Fathom Digital Manufacturing Reports Fourth Quarter and Full Year 2022 Preliminary Unaudited Financial Results Fourth Quarter 2022 Highlights • Revenue totaled $38.

April 3, 2023 EX-10

First Amendment dated as of November 10, 2022 to Credit Agreement, dated as of December 23, 2021, among Fathom Guarantor, LLC, Fathom Manufacturing, LLC, the Lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent.

EXECUTION VERSION FIRST AMENDMENT dated as of November 10, 2022 (this “Amendment”), to the Credit Agreement dated as of December 23, 2021 (as in effect prior to giving effect to this Amendment, the “Existing Credit Agreement”), among FATHOM GUARANTOR, LLC, a Delaware limited liability company, FATHOM MANUFACTURING, LLC, a Delaware limited liability company (the “Borrower”), the LENDERS from time to time party thereto and JPMORGAN CHASE BANK, N.

April 3, 2023 EX-99

Q4 and Full Year 2022 Financial Results March 31, 2023

Q4 and Full Year 2022 Financial Results March 31, 2023 Forward-Looking Statements Certain statements made in this presentation are “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995.

April 3, 2023 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 PROSPECTUS SUPPLEMENT NO. 3 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock This prospectus supplement is being filed to update and supplement the prospectus dated May 2, 2022, as supplemented by Prospectus Supplement No. 1, dated May 17, 2022, Prospectus Supplement No.

April 3, 2023 EX-99

Fathom Presentation, November 14, 2022

Q3 2022 Financial Results November 14, 2022 Forward-Looking Statements Certain statements made in this presentation are “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995.

April 3, 2023 EX-99

Fathom Digital Manufacturing Reports Fourth Quarter and Full Year 2022 Preliminary Unaudited Financial Results

Fathom Digital Manufacturing Reports Fourth Quarter and Full Year 2022 Preliminary Unaudited Financial Results Fourth Quarter 2022 Highlights • Revenue totaled $38.

April 3, 2023 EX-99

Q4 and Full Year 2022 Financial Results March 31, 2023

EX-99 10 fath-ex994.htm EX-99.4 Q4 and Full Year 2022 Financial Results March 31, 2023 Forward-Looking Statements Certain statements made in this presentation are “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995. Words such as “estimates,” “projects,” “expects,” “anticipates,” “forecasts,” “plans,”

April 3, 2023 EX-99

Press Release dated November 14, 2022

Fathom Digital Manufacturing Reports Third Quarter 2022 Financial Results Third Quarter 2022 Highlights • Revenue totaled $40.

March 31, 2023 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 SEC FILE NUMBER 001-39994 NOTIFICATION OF LATE FILING CUSIP NUMBER 31189Y103 (Check one): ☒ Form 10-K  Form20-F  Form 11-K  Form 10-Q  Form 10-D  Form N-CEN  Form N-CSR For Period Ended: December 31, 2022  Transition Report on Form 10-K  Transition Report on Form 20-F  Transition Report on Form 11-K  Tran

March 31, 2023 EX-99

Fathom Digital Manufacturing Reports Fourth Quarter and Full Year 2022 Preliminary Unaudited Financial Results

Fathom Digital Manufacturing Reports Fourth Quarter and Full Year 2022 Preliminary Unaudited Financial Results Fourth Quarter 2022 Highlights • Revenue totaled $38.

March 31, 2023 EX-99

Q4 and Full Year 2022 Financial Results March 31, 2023

Q4 and Full Year 2022 Financial Results March 31, 2023 Forward-Looking Statements Certain statements made in this presentation are “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995.

March 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 31, 2023 FATHOM DIGITAL MAN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 31, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorporat

March 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 24, 2023 FATHOM DIGITAL MAN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 24, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorporat

March 31, 2023 EX-10

Second Amendment dated as of March 24, 2023 to Credit Agreement, dated as of December 23, 2021, amount Fathom Guarantor, LLC, Fathom Manufacturing, LLC, the Lenders from time to time party hereto and JPMorgan Chase Bank, N.A., as Administrative Agent.

Exhibit 10.1 EXECUTION VERSION SECOND AMENDMENT dated as of March 24, 2023 (this “Amendment”), to the Credit Agreement dated as of December 23, 2021 (as in effect prior to giving effect to this Amendment, the “Existing Credit Agreement”), among FATHOM GUARANTOR, LLC, a Delaware limited liability company, FATHOM MANUFACTURING, LLC, a Delaware limited liability company (the “Borrower”), the LENDERS

March 31, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 30, 2023 FATHOM DIGITAL MAN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 30, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorporat

February 24, 2023 8-K/A

Form 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 17, 2023 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incor

November 16, 2022 EX-99.1

Press Release dated November 14, 2022

Fathom Digital Manufacturing Reports Third Quarter 2022 Financial Results Third Quarter 2022 Highlights ? Revenue totaled $40.

November 16, 2022 EX-10.1

First Amendment dated as of November 10, 2022 to Credit Agreement, dated as of December 23, 2021, among Fathom Guarantor, LLC, Fathom Manufacturing, LLC, the Lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent.

EXECUTION VERSION FIRST AMENDMENT dated as of November 10, 2022 (this ?Amendment?), to the Credit Agreement dated as of December 23, 2021 (as in effect prior to giving effect to this Amendment, the ?Existing Credit Agreement?), among FATHOM GUARANTOR, LLC, a Delaware limited liability company, FATHOM MANUFACTURING, LLC, a Delaware limited liability company (the ?Borrower?), the LENDERS from time to time party thereto and JPMORGAN CHASE BANK, N.

November 16, 2022 EX-99.2

Fathom Presentation, November 14, 2022

Q3 2022 Financial Results November 14, 2022 Forward-Looking Statements Certain statements made in this presentation are ?forward-looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995.

November 16, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570

424B3 1 424b3q320221.htm 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 Prospectus Supplement No. 3 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90

November 16, 2022 EX-10.1

First Amendment dated as of November 10, 2022 to Credit Agreement, dated as of December 23, 2021, among Fathom Guarantor, LLC, Fathom Manufacturing, LLC, the Lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent.

EXECUTION VERSION FIRST AMENDMENT dated as of November 10, 2022 (this ?Amendment?), to the Credit Agreement dated as of December 23, 2021 (as in effect prior to giving effect to this Amendment, the ?Existing Credit Agreement?), among FATHOM GUARANTOR, LLC, a Delaware limited liability company, FATHOM MANUFACTURING, LLC, a Delaware limited liability company (the ?Borrower?), the LENDERS from time to time party thereto and JPMORGAN CHASE BANK, N.

November 16, 2022 EX-99.2

Fathom Presentation, November 14, 2022

Q3 2022 Financial Results November 14, 2022 Forward-Looking Statements Certain statements made in this presentation are ?forward-looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995.

November 16, 2022 EX-99.1

Press Release dated November 14, 2022

Fathom Digital Manufacturing Reports Third Quarter 2022 Financial Results Third Quarter 2022 Highlights ? Revenue totaled $40.

November 16, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 AMENDMENT NO. 1 DATED AUGUST 18, 2022 to Prospectus Supplement No. 2 dated August 16, 2022 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock This Amendment No. 1 to Prospectus Supplement No. 2 is being filed as an update and supplement to the prospectus dated May 2, 2022,

November 14, 2022 EX-10.1

First Amendment dated as of November 10, 2022 to Credit Agreement, dated as of December 23, 2021, among Fathom Guarantor, LLC, Fathom Manufacturing, LLC, the Lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent (incorporated by reference to Exhibit 10.1 to Fathom’s Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2022 filed with the SEC on November 14, 2022).

EXECUTION VERSION FIRST AMENDMENT dated as of November 10, 2022 (this ?Amendment?), to the Credit Agreement dated as of December 23, 2021 (as in effect prior to giving effect to this Amendment, the ?Existing Credit Agreement?), among FATHOM GUARANTOR, LLC, a Delaware limited liability company, FATHOM MANUFACTURING, LLC, a Delaware limited liability company (the ?Borrower?), the LENDERS from time to time party thereto and JPMORGAN CHASE BANK, N.

November 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

paul.meadsROC UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001

November 14, 2022 EX-99.2

Q3 2022 Financial Results November 14, 2022

Q3 2022 Financial Results November 14, 2022 Forward-Looking Statements Certain statements made in this presentation are “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995.

November 14, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 14, 2022 FATHOM DIGITAL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 14, 2022 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorpo

November 14, 2022 EX-99.1

Fathom Digital Manufacturing Reports Third Quarter 2022 Financial Results

Fathom Digital Manufacturing Reports Third Quarter 2022 Financial Results Third Quarter 2022 Highlights • Revenue totaled $40.

September 1, 2022 S-8 POS

As filed with the Securities and Exchange Commission on September 1, 2022.

As filed with the Securities and Exchange Commission on September 1, 2022. Registration No. 333-264285 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 98-1571400 (State or other jurisdic

August 18, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 AMENDMENT NO. 1 DATED AUGUST 18, 2022 to Prospectus Supplement No. 2 dated August 16, 2022 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock This Amendment No. 1 to Prospectus Supplement No. 2 is being filed as an update and supplement to the prospectus dated May 2, 2022,

August 18, 2022 EX-99.1

Fathom Digital Manufacturing Reports Second Quarter 2022 Financial Results

Fathom Digital Manufacturing Reports Second Quarter 2022 Financial Results Second Quarter 2022 Highlights ? Revenue increased 17.

August 18, 2022 EX-99.2

Q2 2022 Financial Results August 15, 2022

Q2 2022 Financial Results August 15, 2022 Forward-Looking Statements Certain statements made in this presentation are ?forward-looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995.

August 18, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 AMENDMENT NO. 1 DATED AUGUST 18, 2022 to Prospectus Supplement No. 2 dated August 16, 2022 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURC

August 16, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 PROSPECTUS SUPPLEMENT NO. 2 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated May 2, 2022, as supplemented by Prospectus Supplement No. 1, dated May 17, 202

August 16, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 PROSPECTUS SUPPLEMENT NO. 2 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COMM

August 16, 2022 EX-99.1

Fathom Digital Manufacturing Reports Second Quarter 2022 Financial Results

EX-99.1 2 fath-ex991.htm EX-99.1 Fathom Digital Manufacturing Reports Second Quarter 2022 Financial Results Second Quarter 2022 Highlights • Revenue increased 17.0% to $42.0 million • Total orders were flat at $39.7 million • Net income totaled $34.0 million; adjusted net income1 totaled $1.2 million • Adjusted EBITDA1 increased to $8.7 million, representing an Adjusted EBITDA margin1 of 20.6% • R

August 16, 2022 EX-99.2

Q2 2022 Financial Results August 15, 2022

Q2 2022 Financial Results August 15, 2022 Forward-Looking Statements Certain statements made in this presentation are ?forward-looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995.

August 15, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 15, 2022 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorpora

August 15, 2022 EX-99.1

Fathom Digital Manufacturing Reports Second Quarter 2022 Financial Results

Fathom Digital Manufacturing Reports Second Quarter 2022 Financial Results Second Quarter 2022 Highlights ? Revenue increased 17.

August 15, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

ROC UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 Fathom Digital Manufacturing Corporation (Exact name of registrant as specified in its charter) Delaware 98-1571400 (State or other jurisdiction of incorporation or organization) (I.

August 15, 2022 EX-99.2

Q2 2022 Financial Results August 15, 2022

Q2 2022 Financial Results August 15, 2022 Forward-Looking Statements Certain statements made in this presentation are ?forward-looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995.

July 13, 2022 8-K

Costs Associated with Exit or Disposal Activities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 7, 2022 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorporatio

May 17, 2022 EX-99.2

Fathom Presentation, March 16, 2022

Q1 2022 Financial Results May 16, 2022 Forward-Looking Statements Certain statements made in this presentation are ?forward looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995.

May 17, 2022 EX-99.1

Press Release dated March 16, 2022

Fathom Digital Manufacturing Reports First Quarter 2022 Financial Results First Quarter 2022 Highlights ? Revenue increased 32.

May 17, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 PROSPECTUS SUPPLEMENT NO. 1 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated May 2, 2022 (and as may be further supplemented or amended from time to time,

May 17, 2022 EX-99.1

Press Release dated March 16, 2022

Fathom Digital Manufacturing Reports First Quarter 2022 Financial Results First Quarter 2022 Highlights ? Revenue increased 32.

May 17, 2022 EX-4.1

Description of Securities.

Exhibit 4.1 DESCRIPTION OF SECURITIES The following description of securities of Fathom Digital Manufacturing Corporation is intended as a summary only, does not purport to be complete and is subject to our certificate of incorporation (our ?Charter?), our amended and restated bylaws (our ?Bylaws?), the Investor Rights Agreement and the Warrant Agreement, copies of which have been filed by us with

May 17, 2022 EX-4.1

Description of Securities.

Exhibit 4.1 DESCRIPTION OF SECURITIES The following description of securities of Fathom Digital Manufacturing Corporation is intended as a summary only, does not purport to be complete and is subject to our certificate of incorporation (our ?Charter?), our amended and restated bylaws (our ?Bylaws?), the Investor Rights Agreement and the Warrant Agreement, copies of which have been filed by us with

May 17, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 PROSPECTUS SUPPLEMENT NO. 1 (to prospectus dated May 2, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COMM

May 17, 2022 EX-99.2

Fathom Presentation, March 16, 2022

Q1 2022 Financial Results May 16, 2022 Forward-Looking Statements Certain statements made in this presentation are ?forward looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995.

May 16, 2022 EX-99.2

Q1 2022 Financial Results May 16, 2022

Q1 2022 Financial Results May 16, 2022 Forward-Looking Statements Certain statements made in this presentation are ?forward looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995.

May 16, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 16, 2022 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorporatio

May 16, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

ROC UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 Fathom Digital Manufacturing Corporation (Exact name of registrant as specified in its charter) Delaware 98-1571400 (State or other jurisdiction of incorporation or organization) (I.

May 16, 2022 EX-4.1

Description of Securities (incorporated by reference to Exhibit 4.1 to Fathom's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2022 filed with the SEC on May 16, 2022).

Exhibit 4.1 DESCRIPTION OF SECURITIES The following description of securities of Fathom Digital Manufacturing Corporation is intended as a summary only, does not purport to be complete and is subject to our certificate of incorporation (our ?Charter?), our amended and restated bylaws (our ?Bylaws?), the Investor Rights Agreement and the Warrant Agreement, copies of which have been filed by us with

May 16, 2022 EX-99.1

Fathom Digital Manufacturing Reports First Quarter 2022 Financial Results

EX-99.1 2 fath-ex991.htm EX-99.1 Fathom Digital Manufacturing Reports First Quarter 2022 Financial Results First Quarter 2022 Highlights • Revenue increased 32.8% to $40.5 million • Total orders increased 17% to $43.8 million • Net income totaled $17.8 million; adjusted net loss1 totaled $2.0 million • Adjusted EBITDA1 was $6.2 million, representing an Adjusted EBITDA margin1 of 15.2% • Reaffirmed

May 3, 2022 424B3

7,000,000 Shares of Class A Common Stock FATHOM DIGITAL MANUFACTURING CORPORATION

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 PROSPECTUS 7,000,000 Shares of Class A Common Stock FATHOM DIGITAL MANUFACTURING CORPORATION This prospectus relates to the resale from time to time by the Selling Stockholders named in this prospectus or their permitted transferees (collectively, the ?Selling Stockholders?) of up to 7,000,000 shares of Class A common stock (the ?PIPE Sh

May 3, 2022 424B3

PROSPECTUS FOR 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COM

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 PROSPECTUS PROSPECTUS FOR 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COMMON STOCK UNDERLYING CLASS B COMMON STOCK OF FATHOM DIGITAL

April 27, 2022 POS AM

As filed with the United States Securities and Exchange Commission on April 27, 2022 Registration No: 333-262189 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT No. 1 to FORM S-1 REGISTRATION STATEMENT

Table of Contents As filed with the United States Securities and Exchange Commission on April 27, 2022 Registration No: 333-262189 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 27, 2022 POS AM

As filed with the United States Securities and Exchange Commission on April 27, 2022 Registration No: 333-262194 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT No. 1 to FORM S-1 REGISTRATION STATEMENT

Table of Contents As filed with the United States Securities and Exchange Commission on April 27, 2022 Registration No: 333-262194 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 14, 2022 S-8

Power of Attorney (included on the signature page to this Registration Statement).

As filed with the Securities and Exchange Commission on April 14, 2022. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 98-1571400 (State or other jurisdiction of incorporation or orga

April 14, 2022 EX-FILING FEES

Filing Fee Table (filed herewith).

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Fathom Digital Manufacturing Corporation (Exact Name of Registrant as Specified in its Charter) Table 1 ? Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity 2021 Omnibus Incentive Plan Class A common stock, $0.

April 8, 2022 EX-99.1

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EX-99.1 2 fath-ex991.htm EX-99.1 Exhibit 99.1 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Unless otherwise indicated, defined terms included below have the same meanings defined and included elsewhere in this Current Report on Form 8-K (the “Form 8-K”) filed with the Securities and Exchange Commission (the “SEC”) on December 30, 2021. Introduction The following unaudited pro forma

April 8, 2022 EX-10.10

Form of Employee Restricted Share Award Agreement (Business Combination Phantom Equity Settlement) (incorporated by reference to Exhibit 10.10 to Fathom’s Annual Report on Form 10-K filed with the SEC on April 8, 2022).

EX-10.10 2 fath-ex1010.htm EX-10.10 Exhibit 10.10 FATHOM DIGITAL MANUFACTURING CORPORATION 2021 OMNIBUS INCENTIVE PLAN RESTRICTED SHARE AWARD AGREEMENT THIS RESTRICTED SHARE AWARD AGREEMENT (this “Agreement”) is made effective as of December 23, 2021 (the “Grant Date”) by and between Fathom Digital Manufacturing Corporation, a Delaware corporation (the “Company”) and [] (the “Participant”), pursua

April 8, 2022 8-K/A

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 30, 2021 Fathom Digital Manufacturing Corp (Exact name of Registrant as Specified in Its Charter) Delaware 001-39994 98-1571400 (State or Other Jurisdicti

April 8, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number: 001-39994 FATHOM DIGITAL

April 1, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 PROSPECTUS SUPPLEMENT NO. 2 (to prospectus dated January 28, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A

April 1, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 PROSPECTUS SUPPLEMENT NO. 2 (to prospectus dated January 28, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated January 28, 2022, as supplemented by prospectus supplement no. 1 thereto

March 31, 2022 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 SEC FILE NUMBER 001-39994 NOTIFICATION OF LATE FILING CUSIP NUMBER 31189Y103 (Check one): ? Form 10-K ? Form20-F ? Form 11-K ? Form 10-Q ? Form 10-D ? Form N-CEN ? Form N-CSR For Period Ended: December 31, 2021 ? Transition Report on Form 10-K ? Transition Report on Form 20-F ? Transition Report on Form 11-K ? Tran

March 7, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 PROSPECTUS SUPPLEMENT NO. 1 (to prospectus dated January 28, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A

March 7, 2022 424B3

FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 PROSPECTUS SUPPLEMENT NO. 1 (to prospectus dated January 28, 2022) FATHOM DIGITAL MANUFACTURING CORPORATION 7,000,000 Shares of Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated January 28, 2022 (and as may be further supplemented or amended from time

March 4, 2022 EX-99.1

Fathom Digital Manufacturing Reports Fourth Quarter and Full Year 2021 Preliminary Unaudited Financial Results

Exhibit 99.1 Fathom Digital Manufacturing Reports Fourth Quarter and Full Year 2021 Preliminary Unaudited Financial Results Fourth Quarter 2021 Highlights ? Revenue increased 132.8% to $44.3 million; Pro forma revenue1 increased 18.4% ? Total orders increased 25.9% to $49.1 million ? Net income totaled $21.0 million; adjusted net loss totaled $1.7 million1 ? Adjusted EBITDA1 increased to $10.5 mil

March 4, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 4, 2022 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorporati

March 4, 2022 EX-99.2

Agenda Fathom Overview Business Update Q4 and Full Year 2021 Financial Review Liquidity and Capital Resources Full Year 2022 Guidance Summary Q&A

Q4 and Full Year 2021 Financial Results March 4, 2022 Exhibit 99.2 Forward-Looking Statements Certain statements made in this presentation are ?forward looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995. Words such as ?estimates,? ?projects,? ?expects,? ?anticipates,? ?forecasts,? ?plans,? ?intends,? ?believe

February 14, 2022 SC 13G

FATH / Fathom Digital Manufacturing Corporation - Class A / Altimar Sponsor II, LLC - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* FATHOM DIGITAL MANUFACTURING CORPORATION (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 31189Y 103 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the approp

February 14, 2022 SC 13G/A

FATH / Fathom Digital Manufacturing Corporation - Class A / CITADEL ADVISORS LLC - FATHOM DIGITAL MANUFACTURING CORP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 1)* Fathom Digital Manufacturing Corporation (Name of Issuer) Class A common stock, par value $0.0001 per share (the “Shares”) (Title of Class

January 31, 2022 424B3

PROSPECTUS FOR 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COM

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-262194 PROSPECTUS PROSPECTUS FOR 45,423,250 SHARES OF CLASS A COMMON STOCK 9,900,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK 18,525,000 SHARES OF CLASS A COMMON STOCK UNDERLYING WARRANTS TO PURCHASE CLASS A COMMON STOCK AND 90,570,234 SHARES OF CLASS A COMMON STOCK UNDERLYING CLASS B COMMON STOCK OF FATHOM DIGITAL

January 31, 2022 424B3

7,000,000 Shares of Class A Common Stock FATHOM DIGITAL MANUFACTURING CORPORATION

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-262189 PROSPECTUS 7,000,000 Shares of Class A Common Stock FATHOM DIGITAL MANUFACTURING CORPORATION This prospectus relates to the resale from time to time by the selling stockholders named in this prospectus or their permitted transferees (collectively, the ?Selling Stockholders?) of up to 7,000,000 shares of Class A common s

January 27, 2022 S-1/A

As filed with the United States Securities and Exchange Commission on January 26, 2022

S-1/A 1 d219681ds1a.htm S-1/A Table of Contents As filed with the United States Securities and Exchange Commission on January 26, 2022 Registration No: 333-262189 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified i

January 27, 2022 EX-10.14

Form of Retention Bonus Agreement

Exhibit 10.14 [DATE], 2021 [NAME] Re: Retention Bonus Opportunity Dear [NAME]: The purpose of this letter agreement (this ?Agreement?) is to summarize the terms of a cash Retention Bonus that you are eligible to receive in connection with the consummation of a Going Public Transaction involving Holdco or a Sale of Holdco (each capitalized term as defined below). The Retention Bonus is subject to t

January 27, 2022 CORRESP

January 27, 2022

January 27, 2022 VIA EDGAR TRANSMISSION U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549-6010 Attention: Bradley Ecker Re: Fathom Digital Manufacturing Corporation Amendment No. 1 to the Registration Statement on Form S-l Filed January 27, 2022 (File No. 333-262194) Dear Mr. Ecker: In accordance with Rule 461 of Regulation C of the Gen

January 27, 2022 S-1/A

As filed with the United States Securities and Exchange Commission on January 26, 2022

Table of Contents As filed with the United States Securities and Exchange Commission on January 26, 2022 Registration No: 333-262194 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 27, 2022 CORRESP

January 27, 2022

January 27, 2022 VIA EDGAR TRANSMISSION U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549-6010 Attention: Bradley Ecker Re: Fathom Digital Manufacturing Corporation Amendment No. 1 to the Registration Statement on Form S-l Filed January 27, 2022 (File No. 333-262189) Dear Mr. Ecker: In accordance with Rule 461 of Regulation C of the Gen

January 27, 2022 EX-10.15

Amendment No. 1 to Stump Employment Agreement

EX-10.15 3 d287942dex1015.htm EX-10.15 Exhibit 10.15 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT THIS AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT is entered into as of July 20th, 2020 (this “Amendment”), by and between Kemeera LLC, a California limited liability company (the “Company”), and Richard Stump (“Employee”). W I T N E S S E T H : WHEREAS, the Company and Employee are parties to that certain Empl

January 27, 2022 EX-10.15

Amendment No. 1 to Stump Employment Agreement

Exhibit 10.15 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT THIS AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT is entered into as of July 20th, 2020 (this ?Amendment?), by and between Kemeera LLC, a California limited liability company (the ?Company?), and Richard Stump (?Employee?). W I T N E S S E T H : WHEREAS, the Company and Employee are parties to that certain Employment Agreement, dated as of September

January 27, 2022 EX-10.14

Form of Retention Bonus Agreement

Exhibit 10.14 [DATE], 2021 [NAME] Re: Retention Bonus Opportunity Dear [NAME]: The purpose of this letter agreement (this ?Agreement?) is to summarize the terms of a cash Retention Bonus that you are eligible to receive in connection with the consummation of a Going Public Transaction involving Holdco or a Sale of Holdco (each capitalized term as defined below). The Retention Bonus is subject to t

January 14, 2022 S-1

Form S-1

Table of Contents As filed with the United States Securities and Exchange Commission on January 14, 2022 Registration No: 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 14, 2022 S-1

Power of Attorney (included on the signature page of the initial filing of this Registration Statement on Form S-1).

Table of Contents As filed with the United States Securities and Exchange Commission on January 14, 2022 Registration No: 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 10, 2022 EX-99.1

Fathom is at the Center the Industry 4.0 Digital Manufacturing Revolution Leading on-demand digital manufacturing company in a $25bn+ market Deep technical expertise to deliver best-in-class service and unlock the full potential of Industry 4.0 for e

24th Annual Needham Growth Conference January 10, 2022 Exhibit 99.1 Forward-Looking Statements Certain statements made in this document are ?forward looking statements? within the meaning of the ?safe harbor? provisions of the United States Private Securities Litigation Reform Act of 1995. Words such as ?estimates,? ?projects,? ?expects,? ?anticipates,? ?forecasts,? ?plans,? ?intends,? ?believes,?

January 10, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 10, 2022 ( January 10, 2022 ) FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jur

January 3, 2022 SC 13D

FATH / Fathom Digital Manufacturing Corporation - Class A / May John - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Fathom Digital Manufacturing Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 31189Y 103 (CUSIP Number) John R. May c/o CORE Industrial Partners Fund I GP, LLC 150 North Riverside Drive, Suite 2050 Chicago, IL 60

January 3, 2022 EX-99.7

JOINT FILING AGREEMENT

EX-99.7 2 d268864dex997.htm EXHIBIT 7 Exhibit 7 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13D referred to below) on behalf of each of them of a statement on Schedule 13D (including amendments ther

January 3, 2022 SC 13G

FATH / Fathom Digital Manufacturing Corporation - Class A / SIGULER GUFF ADVISERS, LLC - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. )* Under the Securities Exchange Act of 1934 Fathom Digital Manufacturing Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Titles of Class of Securities) 31189Y 103 (CUSIP Number) December 23, 2021 (Date of Event Which Requires Filing of this Statement) Check th

December 30, 2021 EX-21.1

List of Subsidiaries (incorporated by reference to Exhibit 21.1 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 21.1 List of Subsidiaries of Fathom Digital Manufacturing Corporation Subsidiary Name Jurisdiction of Incorporation/Organization Incodema Holdings LLC Delaware Incodema Buyer LLC Delaware Incodema, LLC New York Newchem, LLC New York Dahlquist Machine, LLC Minnesota Majestic Metals, LLC Colorado Precision Process LLC Illinois Sureshot Precision, LLC (d/b/a Micropulse West) Arizona Laser Man

December 30, 2021 EX-10.2

Investor Rights Agreement, dated as of December 23, 2021, by and among Fathom Digital Manufacturing Corporation and the other parties thereto (incorporated by reference to Exhibit 10.2 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.2 Execution Version INVESTOR RIGHTS AGREEMENT DATED AS OF DECEMBER 23, 2021 AMONG FATHOM DIGITAL MANUFACTURING CORPORATION AND THE OTHER PARTIES HERETO TABLE OF CONTENTS Page ARTICLE I. INTRODUCTORY MATTERS 1 1.1 Defined Terms 1 1.2 Construction 6 ARTICLE II. CORPORATE GOVERNANCE MATTERS 6 2.1 Initial Board Composition; Classified Board 6 2.2 Election of Directors 6 2.3 Company Obligati

December 30, 2021 EX-10.12

Letter agreement regarding terms of employment dated December 23, 2021 by and between Fathom Digital Manufacturing Corporation and Richard Stump (incorporated by reference to Exhibit 10.12 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.12 Execution Version Fathom Digital Manufacturing Corporation December 23, 2021 Richard Stump Re: Offer Letter Dear Richard: On behalf of Fathom Digital Manufacturing Corporation, a Delaware corporation (together with its successors, the ?Company?), I am pleased to confirm our offer to you for continuing employment in the position of Chief Commercial Officer of the Company, reporting to

December 30, 2021 EX-10.14

Fathom Digital Manufacturing Corporation Executive Severance and Change in Control Plan (incorporated by reference to Exhibit 10.14 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.14 Fathom Digital Manufacturing Corporation Executive Severance and Change in Control Plan and Summary Plan Description Section 1 ? Purpose Fathom Digital Manufacturing Corporation, a Delaware corporation (collectively with its subsidiaries and affiliates, and any successor that assumes the obligations of the Company under the Plan, by way of merger, acquisition, or otherwise, the ?Comp

December 30, 2021 EX-10.8

Form of Rollover RSU Award Agreement (incorporated by reference to Exhibit 10.8 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021)

Exhibit 10.8 Form of Rollover RSU Award Agreement (for Phantom Unitholders) FATHOM DIGITAL MANUFACTURING CORPORATION 2021 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT THIS RESTRICTED STOCK UNIT AGREEMENT (this ?Agreement?) is made effective as of December 23, 2021 (the ?Grant Date?) by and between Fathom Digital Manufacturing Corporation, a Delaware corporation (the ?Company?), and

December 30, 2021 EX-10.10

Form of Indemnification Agreement (incorporated by reference to Exhibit 10.10 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.10 FORM OF INDEMNIFICATION AGREEMENT This Indemnification Agreement (this ?Agreement?) is made as of [], 2021, by and between Fathom Digital Manufacturing Corporation, a Delaware corporation (the ?Company?), and a member of the board of directors and/or an officer of the Company (?Indemnitee?). This Agreement supersedes and replaces any and all previous Agreements between the Company an

December 30, 2021 EX-10.4

Second Amended and Restated Limited Liability Company Agreement of Fathom Holdco, LLC, dated as of December 23, 2021 (incorporated by reference to Exhibit 10.4 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.4 Execution Version SECOND AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF FATHOM HOLDCO, LLC Dated as of December 23, 2021 THE LIMITED LIABILITY COMPANY UNITS OF FATHOM HOLDCO, LLC HAVE NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?), THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION OR ANY OTHER APPLICABLE SECURITIES LAWS A

December 30, 2021 EX-16.1

Letter from Withum Smith+Brown, PC to the SEC, dated December 30, 2021 (incorporated by reference to Exhibit 16.1 of Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 16.1 December 30, 2021 Office of the Chief Accountant Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 Ladies and Gentlemen: We have read Fathom Digital Manufacturing?s (formerly known as Altimar Acquisition Corp. II) statements included under Item 4.01 of its Form 8-K dated December 30, 2021. We agree with the statements concerning our Firm under Item 4.01, in wh

December 30, 2021 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Change in Shell Company Status, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 30, 2021 (December 23, 2021) FATHOM DIGITAL MANUFACTURING CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jur

December 30, 2021 EX-99.1

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.1 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Unless otherwise indicated, defined terms included below have the same meanings defined and included elsewhere in this Current Report on Form 8-K (the ?Form 8-K?) filed with the Securities and Exchange Commission (the ?SEC?) on December 30, 2021. Introduction The following unaudited pro forma condensed combined balance sheet

December 30, 2021 EX-3.1

Certificate of Domestication of Altimar Acquisition Corp. II. (incorporated by reference to Exhibit 3.1 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 3.1 Execution Version CERTIFICATE OF CORPORATE DOMESTICATION OF Altimar Acquisition Corp. II (Pursuant to Section 388 of the General Corporation Law of the State of Delaware) Altimar Acquisition Corp. II, presently incorporated as a Cayman Islands exempted company (the ?Corporation?), DOES HEREBY CERTIFY: 1. The Corporation was first formed, incorporated, created or otherwise came into bei

December 30, 2021 EX-10.15

Form of Severance Plan Participation Agreement (incorporated by reference to Exhibit 10.15 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.15 Fathom Digital Manufacturing Corporation Executive Severance and Change in Control Plan Form of Participation Agreement This Participation Agreement (this ?Agreement?) is made and entered into by and between [?] (?you? or ?Covered Executive?) and Fathom Digital Manufacturing Corporation (the ?Company?) pursuant to the Fathom Digital Manufacturing Corporation Executive Severance and C

December 30, 2021 EX-10.1

Tax Receivable Agreement, dated as of December 23, 2021, by and among Fathom Digital Manufacturing Corporation, Fathom Holdco, LLC and the other parties thereto (incorporated by reference to Exhibit 10.1 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.1 Execution Version TAX RECEIVABLE AGREEMENT by and among FATHOM DIGITAL MANUFACTURING CORPORATION, FATHOM HOLDCO, LLC, the several EXCHANGE TRA PARTIES (as defined herein), the several BLOCKER TRA PARTIES (as defined herein), and OTHER PERSONS FROM TIME TO TIME PARTY HERETO Dated as of December 23, 2021 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 Section 1.1 Definitions 2 Section 1.

December 30, 2021 EX-10.3

Registration Rights Agreement, dated as of December 23, 2021, by and among Fathom Digital Manufacturing Corporation, Altimar Sponsor II, LLC and the other parties thereto (incorporated by reference to Exhibit 10.3 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

EX-10.3 7 d277647dex103.htm EX-10.3 Exhibit 10.3 Execution Version REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of December 23, 2021, is made and entered into by and among: (i) Fathom Digital Manufacturing Corporation, a Delaware corporation formerly known as Altimar Acquisition Corp. II, a Cayman Islands limited exempt company prior to the consumma

December 30, 2021 EX-10.5

Credit Agreement, dated as of December 23, 2021, among Fathom Guarantor, LLC, Fathom Borrower, LLC, the Lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent (incorporated by reference to Exhibit 10.5 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.5 EXECUTION VERSION CREDIT AGREEMENT dated as of December 23, 2021, among FATHOM GUARANTOR, LLC, FATHOM MANUFACTURING, LLC, the LENDERS party hereto and JPMORGAN CHASE BANK, N.A., as Administrative Agent JPMORGAN CHASE BANK, N.A., as Sole Bookrunner and Sole Lead Arranger, and CIBC BANK USA, as Documentation Agent [CS&M Ref. No. 6702-355] TABLE OF CONTENTS Page ARTICLE I DEFINITIONS SEC

December 30, 2021 EX-3.3

Amended and Restated Bylaws of Fathom Digital Manufacturing Corporation (incorporated by reference to Exhibit 3.3 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 3.3 Execution Version AMENDED AND RESTATED BYLAWS OF FATHOM DIGITAL MANUFACTURING CORPORATION A Delaware corporation (Adopted as of December 23, 2021) ARTICLE I OFFICES Section 1. Offices. Fathom Digital Manufacturing Corporation (the ?Corporation?) may have an office or offices other than its registered office at such place or places, either within or outside the State of Delaware, as the

December 30, 2021 EX-10.13

Employment Agreement dated as of December 23, 2021 by and between Fathom Digital Manufacturing Corporation and Mark Frost (incorporated by reference to Exhibit 10.13 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.13 Execution Version EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (this ?Agreement?) is made and entered into as of December 23, 2021 (the ?Effective Date?) by and between Fathom Digital Manufacturing Corporation, a Delaware corporation (the ?Company?), and Mark Frost (?Employee?). This Agreement amends and restates, and supersedes in its entirety, the Employment Agreement, dated as o

December 30, 2021 EX-10.11

Letter agreement regarding terms of employment dated December 23, 2021 by and between Fathom Digital Manufacturing Corporation and Ryan Martin (incorporated by reference to Exhibit 10.11 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.11 Execution Version Fathom Digital Manufacturing Corporation December 23, 2021 Ryan Martin Re: Offer Letter Dear Ryan: On behalf of Fathom Digital Manufacturing Corporation, a Delaware corporation (together with its successors, the ?Company?), I am pleased to confirm our offer to you for continuing employment in the position of Chief Executive Officer of the Company, reporting to the C

December 30, 2021 EX-3.2

Certificate of Incorporation of Fathom Digital Manufacturing Corporation (incorporated by reference to Exhibit 3.2 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 3.2 Execution Version CERTIFICATE OF INCORPORATION OF FATHOM DIGITAL MANUFACTURING CORPORATION Fathom Digital Manufacturing Corporation, a corporation organized and existing under the laws of the State of Delaware, does hereby certify as follows: ARTICLE ONE The name of the corporation is Fathom Digital Manufacturing Corporation (the ?Corporation?). ARTICLE TWO The address of the Corporati

December 30, 2021 EX-10.9

Form of Initial RSU Award Agreement for Non-Employee Directors (incorporated by reference to Exhibit 10.9 to Fathom’s Current Report on Form 8-K filed with the SEC on December 30, 2021).

Exhibit 10.9 Form of Initial RSU Award Agreement for Non-Employee Directors FATHOM DIGITAL MANUFACTURING CORPORATION 2021 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT THIS RESTRICTED STOCK UNIT AGREEMENT (this ?Agreement?) is made effective as of December 23, 2021 (the ?Grant Date?) by and between Fathom Digital Manufacturing Corporation, a Delaware corporation (the ?Company?), and

December 27, 2021 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on January 07, 2022, pursuant to the provisions of Rule 12d2-2 (a).

December 27, 2021 EX-99.1

Fathom Digital Manufacturing Completes Business Combination with Altimar Acquisition Corp. II Fathom to commence trading on the New York Stock Exchange under the ticker “FATH” on Monday, December 27, 2021

EX-99.1 Exhibit 99.1 Fathom Digital Manufacturing Completes Business Combination with Altimar Acquisition Corp. II Fathom to commence trading on the New York Stock Exchange under the ticker “FATH” on Monday, December 27, 2021 HARTLAND, Wis., December 27, 2021 — Fathom Digital Manufacturing Corp. (“Fathom” or the “Company”), an industry leader in on-demand digital manufacturing services, today anno

December 27, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 23, 2021 Fathom Digital Manufacturing Corporation (Exact name of registrant as specified in its charter) Delaware 001-39994 98-1571400 (State or other jurisdiction of incorpo

December 21, 2021 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 21, 2021 Altimar Acquisi

425 1 d267610d425.htm 425 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 21, 2021 Altimar Acquisition Corp. II (Exact name of registrant as specified in its charter) Cayman Islands 001-39994 98-1571400 (State or other jur

December 21, 2021 8-K

Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 21, 2021 Altimar Acquisition Corp. II (Exact name of registrant as specified in its charter) Cayman Islands 001-39994 98-1571400 (State or other jurisdiction of incorporation

December 8, 2021 425

Filed by Altimar Acquisition Corp. II Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Altimar Acquisition Corp. II Commission File No. 001-39994

Filed by Altimar Acquisition Corp. II Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Altimar Acquisition Corp. II Commission File No. 001-39994 Date: December 8, 2021 Non-Deal Roadshow Presentation December 2021 1 Disclaimer Disclaimer This presentation (this “presentation”) is provided for i

December 3, 2021 EX-99.1

Altimar Acquisition Corp. II Announces Effectiveness of Registration Statement for Business Combination with Fathom Holdco, LLC Special meeting to approve transaction scheduled for December 21, 2021

Exhibit 99.1 Altimar Acquisition Corp. II Announces Effectiveness of Registration Statement for Business Combination with Fathom Holdco, LLC Special meeting to approve transaction scheduled for December 21, 2021 New York, December 3, 2021 /PRNewswire/ ? Altimar Acquisition Corp. II, a special purpose acquisition company (the ?Company? or ?Altimar?) (NYSE: ATMR), announced today that the U.S. Secur

December 3, 2021 424B3

PROXY STATEMENT FOR EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS OF ALTIMAR ACQUISITION CORP. II, PROSPECTUS FOR 173,418,750 SHARES OF CLASS A COMMON STOCK AND 18,525,000 WARRANTS TO PURCHASE SHARES OF CLASS A COMMON STOCK OF ALTIMAR ACQUISITION COR

Filed pursuant to Rule 424(b)(3) Registration No: 333-259639 PROXY STATEMENT FOR EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS OF ALTIMAR ACQUISITION CORP.

December 3, 2021 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 3, 2021 Altimar Acquisit

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 3, 2021 Altimar Acquisition Corp. II (Exact name of registrant as specified in its charter) Cayman Islands 001-39994 98-1571400 (State or other jurisdiction of incorporation)

December 3, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 3, 2021 Altimar Acquisition Corp. II (Exact name of registrant as specified in its charter) Cayman Islands 001-39994 98-1571400 (State or other jurisdiction of incorporation)

December 1, 2021 CORRESP

ALTIMAR ACQUISITION CORP. II 40 West 57th Street, 33rd Floor New York, NY 10019

CORRESP 1 filename1.htm ALTIMAR ACQUISITION CORP. II 40 West 57th Street, 33rd Floor New York, NY 10019 December 1, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporate Finance 100 F. Street, N.E. Washington, D.C. 20549 Attention: Perry Hindin Anne Parker Re: Altimar Acquisition Corp. II Registration Statement on Form S-4 File No. 333-259639 Ladies and Gentlemen: Pursuant to Rul

November 30, 2021 CORRESP

Paul, Weiss, Rifkind, Wharton & Garrison LLP 1285 Avenue of the Americas New York, New York 10019-6064

Paul, Weiss, Rifkind, Wharton & Garrison LLP 1285 Avenue of the Americas New York, New York 10019-6064 November 30, 2021 CONFIDENTIAL VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

November 30, 2021 S-4/A

As filed with the Securities and Exchange Commission on November 30, 2021. No. 333-259639 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 3 to FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ALTI

Table of Contents As filed with the Securities and Exchange Commission on November 30, 2021.

November 23, 2021 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1) (MARK ONE)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A (Amendment No. 1) (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Num

November 23, 2021 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 23, 2021 Altimar Acquisi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 23, 2021 Altimar Acquisition Corp. II (Exact name of registrant as specified in its charter) Cayman Islands 001-39994 98-1571400 (State or other jurisdiction of incorporation

November 23, 2021 8-K

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 23, 2021 Altimar Acquisition Corp. II (Exact name of registrant as specified in its charter) Cayman Islands 001-39994 98-1571400 (State or other jurisdiction of incorporation

November 16, 2021 EX-99.1

Form of Preliminary Proxy Card.

Exhibit 99.1 YOUR VOTE IS IMPORTANT. PLEASE VOTE TODAY. Vote by Internet ? QUICK EASY IMMEDIATE ? 24 Hours a Day, 7 Days a Week or by Mail ALTIMAR ACQUISITION CORP. II PLEASE IF YOU DO ARE NOT VOTING RETURN ELECTRONICALLY THE PROXY CARD . to Your vote Internet your shares vote authorizes in the same the manner named as proxies if you Votes marked, submitted signed and electronically returned over

November 16, 2021 EX-2.1

Amendment No. 1 to Business Combination Agreement, dated as of November 16, 2021, by and among Altimar II, Fathom Holdco, LLC and the other parties thereto (incorporated by reference to Exhibit 2.1 to Altimar II’s Current Report on Form 8-K filed with the SEC on November 16, 2021).

Exhibit 2.1 AMENDMENT NO. 1 TO BUSINESS COMBINATION AGREEMENT THIS AMENDMENT NO. 1 TO BUSINESS COMBINATION AGREEMENT (this ?Amendment?), dated as of November 16, 2021 (the ?Effective Date?), is by and among (i) Altimar Acquisition Corp. II, a Cayman Islands corporation (?Altimar?), (ii) Fathom Holdco, LLC, a Delaware limited liability company, (iii) Rapid Merger Sub, LLC, a Delaware limited liabil

November 16, 2021 EX-10.1

Backstop Agreement, dated as of November 16, 2021, by and among Altimar, Fathom and the backstop subscribers party thereto.

Exhibit 10.1 BACKSTOP SUBSCRIPTION AGREEMENT This BACKSTOP SUBSCRIPTION AGREEMENT (this ?Backstop Subscription Agreement?) is entered into on November 16, 2021, by and among Altimar Acquisition Corp. II, a Cayman limited exempted company (the ?Company?), Fathom Holdco, LLC, a Delaware limited liability company (?Fathom?), and CORE Industrial Partners Fund I, L.P. (?CORE Fund I?) and CORE Industria

November 16, 2021 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 16, 2021 Altimar Acquisi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 16, 2021 Altimar Acquisition Corp. II (Exact name of registrant as specified in its charter) Cayman Islands 001-39994 98-1571400 (State or other jurisdiction of incorporation

November 16, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 16, 2021 Altimar Acquisition Corp. II (Exact name of registrant as specified in its charter) Cayman Islands 001-39994 98-1571400 (State or other jurisdiction of incorporation

November 16, 2021 EX-10.2

Amendment to the Forfeiture and Support Agreement, dated as of November 16, 2021, by and among Altimar Sponsor II, LLC, Altimar Acquisition Corp. II, Fathom Holdco, LLC, and the other parties thereto (incorporated by reference to Exhibit 10.2 to Altimar II’s Current Report on Form 8-K filed with the SEC on November 16, 2021).

Exhibit 10.2 ALTIMAR SPONSOR II, LLC c/o HPS Investment Partners, LLC 40 West 57th Street, 33rd Floor New York, NY 10019 November 16, 2021 Altimar Acquisition Corp. II c/o HPS Investment Partners, LLC 40 West 57th Street, 33rd Floor New York, NY 10019 Fathom Holdco, LLC CORE Fund I Blocker-5 LLC CORE Fund I Blocker-2 LLC c/o CORE Industrial Partners, LLC 150 N. Riverside Plaza, Suite #2050 Chicago

November 16, 2021 S-4/A

As filed with the Securities and Exchange Commission on November 16, 2021. No. 333-259639 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 to FORM S-4 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ALTI

Table of Contents As filed with the Securities and Exchange Commission on November 16, 2021.

November 10, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39994 ALTIM

November 10, 2021 425

Baird Presentation November 2021 Filed by Altimar Acquisition Corp. II Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Altimar Acquisition Corp.

425 1 d441168d425.htm 425 Baird Presentation November 2021 Filed by Altimar Acquisition Corp. II Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Altimar Acquisition Corp. II Commission File No. 001-39994 Date: November 10, 2021 Disclaimer This presentation (this “presentation”) is provided for

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