EVBG / Everbridge, Inc. - Документы SEC, Годовой отчет, Доверенное заявление

Эвербридж, Инк.
US ˙ NasdaqGM ˙ US29978A1043
ЭТОТ СИМВОЛ БОЛЬШЕ НЕ АКТИВЕН

Основная статистика
LEI 549300WCY0UMR64ATW81
CIK 1437352
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 Everbridge, Inc.
SEC Filings (Chronological Order)
На этой странице представлен полный хронологический список документов SEC, за исключением документов о собственности, которые мы предоставляем в других местах.
July 12, 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 001-37874 Everbridge, Inc. (Exact name of registrant as specified in its cha

July 3, 2024 POSASR

As filed with the Securities and Exchange Commission on July 3, 2024

As filed with the Securities and Exchange Commission on July 3, 2024 Registration No.

July 3, 2024 POSASR

As filed with the Securities and Exchange Commission on July 3, 2024

As filed with the Securities and Exchange Commission on July 3, 2024 Registration No.

July 2, 2024 POS AM

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 EX-3.2

FOURTH AMENDED AND RESTATED BYLAWS EVERBRIDGE, INC. A Delaware corporation (Adopted as of July 2, 2024) ARTICLE I

Exhibit 3.2 FOURTH AMENDED AND RESTATED BYLAWS OF EVERBRIDGE, INC. A Delaware corporation (Adopted as of July 2, 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, city of Wilmington, Delaware, 19801, County of New Castle. The name of the corporation’s registered agent at such address shall

July 2, 2024 EX-4.2

EVERBRIDGE, INC. U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (as successor in interest to U.S. BANK NATIONAL ASSOCIATION), as Trustee FIRST SUPPLEMENTAL INDENTURE Dated as of July 2, 2024 0% Convertible Senior Notes due 2026

Exhibit 4.2 EVERBRIDGE, INC. AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (as successor in interest to U.S. BANK NATIONAL ASSOCIATION), as Trustee FIRST SUPPLEMENTAL INDENTURE Dated as of July 2, 2024 0% Convertible Senior Notes due 2026 FIRST SUPPLEMENTAL INDENTURE, dated as of July 2, 2024 (this “Supplemental Indenture”), among Everbridge, Inc., a Delaware corporation (the “Company”), as is

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 POS AM

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 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, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Completion of Acquisition or Disposition of Assets

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 2, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Numb

July 2, 2024 EX-4.1

EVERBRIDGE, INC. U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (as successor in interest to U.S. BANK NATIONAL ASSOCIATION), as Trustee FIRST SUPPLEMENTAL INDENTURE Dated as of July 2, 2024 0.125% Convertible Senior Notes due 2024

Exhibit 4.1 EVERBRIDGE, INC. AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (as successor in interest to U.S. BANK NATIONAL ASSOCIATION), as Trustee FIRST SUPPLEMENTAL INDENTURE Dated as of July 2, 2024 0.125% Convertible Senior Notes due 2024 FIRST SUPPLEMENTAL INDENTURE, dated as of July 2, 2024 (this “Supplemental Indenture”), among Everbridge, Inc., a Delaware corporation (the “Company”), a

July 2, 2024 EX-99.1

Thoma Bravo Completes Acquisition of Everbridge

Exhibit 99.1 Thoma Bravo Completes Acquisition of Everbridge BURLINGTON, Mass. & MIAMI – July 2, 2024 – Thoma Bravo, a leading software investment firm, today announced the completion of its acquisition of Everbridge, Inc. (“Everbridge” or the “Company”), a global leader in critical event management and national public warning solutions, in an all-cash transaction valued at approximately $1.8 bill

July 2, 2024 POS AM

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

July 2, 2024 EX-3.1

SEVENTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION EVERBRIDGE, INC. ARTICLE ONE

Exhibit 3.1 SEVENTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF EVERBRIDGE, INC. ARTICLE ONE The name of the corporation is Everbridge, Inc. (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, 19801. The name of its registered agent at such address is The Corpor

July 2, 2024 S-8 POS

As filed with the Securities and Exchange Commission on July 2, 2024

As filed with the Securities and Exchange Commission on July 2, 2024 Registration No.

June 25, 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): June 25, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Num

May 9, 2024 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 001-37874 Everbridg

May 9, 2024 EX-10.1

Letter Agreement, dated as of March 7, 2024, by and between Everbridge, Inc. and Shirley Devlin-Lebow.

Exhibit 10.1 March 1, 2024 Shirley Devlin-Lebow Re: Terms of Employment Dear Shirley: This letter agreement (this "Agreement") will set forth the terms of your "at-will" term employment relationship with Everbridge, Inc., and/or any present or future parent, subsidiary or affiliate thereof (collectively, the "Company"). This Agreement hereby supersedes any and all previous agreements relating to y

May 9, 2024 8-K

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 09, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Numb

May 9, 2024 EX-99.1

Everbridge Announces First Quarter 2024 Financial Results

Exhibit 99.1 Everbridge Announces First Quarter 2024 Financial Results BURLINGTON, Mass – May 9, 2024 – Everbridge, Inc. (Nasdaq: EVBG), the global leader in critical event management (CEM) and national public warning solutions, today announced its financial results for the first quarter ended March 31, 2024. Revenue for the first quarter was up 3% year-over-year to $111.4 million, and GAAP net lo

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-

April 26, 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): April 25, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Nu

April 12, 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): April 12, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Nu

April 12, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) 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 (Rule 14a-101) SCHEDULE 14A INFORMATION 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 Ru

March 21, 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

March 11, 2024 PREM14A

PRELIMINARY PROXY STATEMENT — SUBJECT TO COMPLETION, DATED MARCH 11 , 2024 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 PRELIMINARY PROXY STATEMENT — SUBJECT TO COMPLETION, DATED MARCH 11 , 2024 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 11, 2024 EX-FILING FEES

CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) Everbridge, Inc. (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

EX-FILING FEES Exhibit 107 CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) Everbridge, Inc.

March 7, 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): March 07, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Nu

March 1, 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): February 29, 2024 Everbridge, Inc

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 29, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

March 1, 2024 EX-99.1

Everbridge Enters into Amended Merger Agreement with Thoma Bravo Everbridge Shareholders to Receive $35.00 Per Share in Cash, an Increase of $6.40 Per Share Over Previously Announced Transaction Represents 62% Premium to Everbridge 90-Day Volume-Weig

EX-99.1 Exhibit 99.1 Everbridge Enters into Amended Merger Agreement with Thoma Bravo Everbridge Shareholders to Receive $35.00 Per Share in Cash, an Increase of $6.40 Per Share Over Previously Announced Transaction Represents 62% Premium to Everbridge 90-Day Volume-Weighted Average Share Price, as of February 2, 2024, the Last Trading Day Prior to the Announcement of the Original Transaction BURL

March 1, 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 Pro

March 1, 2024 DEFA14A

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 29, 2024 Everbridge, Inc

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 29, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

March 1, 2024 EX-2.1

Amended and Restated Agreement and Plan of Merger, dated February 29, 2024 among Project Emerson Parent, LLC, Project Emerson Merger Sub, Inc. and Everbridge, Inc.

EX-2.1 Exhibit 2.1 AMENDED AND RESTATED AGREEMENT AND PLAN OF MERGER among PROJECT EMERSON PARENT, LLC, PROJECT EMERSON MERGER SUB, INC. and EVERBRIDGE, INC. Dated February 29, 2024 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS & INTERPRETATIONS 2 1.1 Certain Definitions 2 1.2 Additional Definitions 19 1.3 Certain Interpretations 21 1.4 Company Disclosure Letter 25 ARTICLE II THE MERGER 25 2.1 The

February 27, 2024 S-8

As filed with the Securities and Exchange Commission on February 27, 2024

As filed with the Securities and Exchange Commission on February 27, 2024 Registration No.

February 27, 2024 EX-FILING FEES

Filing Fee Table (filed herewith).

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Everbridge, Inc. (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⁽²⁾ Maximum Aggregate Offering Price⁽²⁾ Fee Rate Amount of Registration Fee Equity Common Stock, par value $0

February 27, 2024 EX-FILING FEES

Filing Fee Table (filed herewith).

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Everbridge, Inc. (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⁽²⁾ Maximum Aggregate Offering Price⁽²⁾ Fee Rate Amount of Registration Fee Equity Common Stock, par value $0

February 27, 2024 EX-10.28

First Amendment to Everbridge, Inc. 2022 Inducement Plan

Exhibit 10.28 Amendment to Everbridge, Inc. 2022 Inducement Plan Whereas, by action of the Board of Directors of Everbridge, Inc., a Delaware corporation (the “Company”), as of December 16, 2022, the Company adopted its 2022 Inducement Plan (the “Plan”); Whereas, the Plan currently provides for 600,000 shares of common stock to be reserved for issuance under the Plan; and Whereas, the Company now

February 27, 2024 EX-10.26

Letter Agreement, dated as of February 4, 2024, by and between Everbridge, Inc. and David Rockvam.

Exhibit 10.26 February 3, 2024 David Rockvam [Address] Re: Terms of Employment Dear David: This letter agreement (this “Agreement”) will set forth the terms of your “at-will” term employment relationship with Everbridge, Inc., and/or any present or future parent, subsidiary or affiliate thereof (collectively, the “Company”). This Agreement hereby supersedes any and all previous agreements relating

February 27, 2024 EX-10.27

Release Agreement and Consulting Agreement dated February 4, 2024 between Patrick Brickley and the Company.

Exhibit 10.27 Release Agreement This Release Agreement (“Release” or “Agreement”) is made as of February 4, 2024, by and between Patrick Brickley (“you”) and Everbridge, Inc. (the “Company”). A copy of this Release, substantially in the form contained herein, is an attachment to the Employment Agreement between the Company and you dated February 4, 2019 (the “Employment Agreement”). Capitalized te

February 27, 2024 EX-10.29

Release Agreement and Consulting Agreement dated February 26, 2024 between Phillip E. Huff and the Company.

Exhibit 10.29 Release Agreement This Release Agreement (“Release” or “Agreement”) is made as of March 22, 2024, by and between Phillip Huff (“you”) and Everbridge, Inc. (the “Company”). 1. Separation Date. Your last day of employment with the Company shall be March 22, 2024 (the “Separation Date”). Regardless of whether you sign this Agreement, you will be paid all wages earned and payable, togeth

February 27, 2024 EX-97

Everbridge, Inc. Incentive Compensation Recoupment Policy.

Exhibit 97 EVERBRIDGE, INC. Incentive Compensation Recoupment Policy 1. Introduction The Compensation Committee (the “Compensation Committee”) of the Board of Directors (the “Board”) of Everbridge, Inc., a Delaware corporation (the “Company”), has determined that it is in the best interests of the Company and its stockholders to adopt this Incentive Compensation Recoupment Policy (this “Policy”) p

February 27, 2024 S-8

As filed with the Securities and Exchange Commission on February 27, 2024

As filed with the Securities and Exchange Commission on February 27, 2024 Registration No.

February 27, 2024 EX-21.1

Subsidiaries of Everbridge, Inc.

Exhibit 21.1 List of Subsidiaries of Everbridge, Inc. Company Name Jurisdiction Alarmpoint, Inc. California Anvil Worldwide Limited United Kingdom Wan Qiao Da Guan Information and Technology Ltd China CNL Software Limited United Kingdom CNL Software, Inc. Delaware Connexient, Inc. Delaware Everbridge Asia Pte. Ltd. Singapore Everbridge Denmark ApS Denmark Everbridge Europe Limited United Kingdom E

February 27, 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: 001-37874 Everbridge, In

February 26, 2024 EX-99.1

Everbridge Announces Fourth Quarter and Full Year 2023 Financial Results

Exhibit 99.1 Everbridge Announces Fourth Quarter and Full Year 2023 Financial Results BURLINGTON, Mass – February 26, 2024 – Everbridge, Inc. (Nasdaq: EVBG), the global leader in critical event management (CEM) and national public warning solutions, today announced its financial results for the fourth quarter and full year ended December 31, 2023. Revenue for the fourth quarter was down 1% year-ov

February 26, 2024 8-K

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): February 26, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

February 13, 2024 SC 13G/A

EVBG / Everbridge, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0883-everbridgeinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5)* Name of issuer: Everbridge Inc Title of Class of Securities: Common Stock CUSIP Number: 29978A104 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the ru

February 12, 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 State

February 9, 2024 SC 13G

EVBG / Everbridge, Inc. / FMR LLC Passive Investment

SC 13G 1 filing.txt SCHEDULE 13G Amendment No.0 EVERBRIDGE INC COMMON STOCK Cusip #29978A104 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #29978A104 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 2,261,791 Item 6: 0 Item 7: 2,262,641 Item 8: 0 Item 9: 2,262,

February 5, 2024 EX-99.1

Everbridge Enters into Definitive Agreement to Be Acquired by Thoma Bravo for $1.5 Billion Everbridge Shareholders to Receive $28.60 Per Share in Cash Represents 32% Premium to Everbridge 90-Day Volume-Weighted Average Share Price Transaction Aims to

Exhibit 99.1 Everbridge Enters into Definitive Agreement to Be Acquired by Thoma Bravo for $1.5 Billion Everbridge Shareholders to Receive $28.60 Per Share in Cash Represents 32% Premium to Everbridge 90-Day Volume-Weighted Average Share Price Transaction Aims to Accelerate the Company’s Strong, Global Growth as a Trusted Provider and Leader in Critical Event Management BURLINGTON, MA & MIAMI, FL

February 5, 2024 EX-2.1

Agreement and Plan of Merger, dated February 4, 2024 among Project Emerson Parent, LLC, Project Emerson Merger Sub, Inc. and Everbridge, Inc.

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER among PROJECT EMERSON PARENT, LLC, PROJECT EMERSON MERGER SUB, INC. and EVERBRIDGE, INC. Dated February 4, 2024 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS & INTERPRETATIONS 1 1.1 Certain Definitions 1 1.2 Additional Definitions 15 1.3 Certain Interpretations 17 1.4 Company Disclosure Letter 20 ARTICLE II THE MERGER 20 2.1 The Merger 20 2.2 The Effective T

February 5, 2024 DEFA14A

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 4, 2024 Everbridge, Inc.

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 4, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

February 5, 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): February 4, 2024 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

February 5, 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 Pro

November 9, 2023 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 001-37874 Everb

November 9, 2023 EX-99.1

Everbridge Announces Third Quarter 2023 Financial Results Company Delivers Solid Third Quarter Revenue and Improved Profitability

Exhibit 99.1 Everbridge Announces Third Quarter 2023 Financial Results Company Delivers Solid Third Quarter Revenue and Improved Profitability BURLINGTON, Mass – November 9, 2023 – Everbridge, Inc. (Nasdaq: EVBG), the global leader in critical event management (CEM) and national public warning solutions, today announced its financial results for the third quarter ended September 30, 2023. Revenue

November 9, 2023 EX-3.2

Third Amended and Restated Bylaws of Everbridge, Inc.

Exhibit 3.2 Third AMENDED AND RESTATED BYLAWS OF EVERBRIDGE, INC. (A DELAWARE CORPORATION) Table of Contents Page ARTICLE I OFFICES 1 Section 1. Registered Office 1 Section 2. Other Offices 1 ARTICLE II CORPORATE SEAL 1 Section 3. Corporate Seal 1 ARTICLE III STOCKHOLDERS’ MEETINGS 1 Section 4. Place of Meetings 1 Section 5. Annual Meetings 1 Section 6. Special Meetings 8 Section 7. Notice of Meet

November 9, 2023 8-K

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 09, 2023 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

September 12, 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

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 08, 2023 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission Fil

August 8, 2023 EX-99.1

Everbridge Announces Second Quarter 2023 Financial Results Company Delivers Solid Second Quarter Revenue and Improved Profitability

Exhibit 99.1 Everbridge Announces Second Quarter 2023 Financial Results Company Delivers Solid Second Quarter Revenue and Improved Profitability BURLINGTON, Mass – August 8, 2023 – Everbridge, Inc. (Nasdaq: EVBG), the global leader in critical event management (CEM) and national public warning solutions, today announced its financial results for the second quarter ended June 30, 2023. Revenue for

August 8, 2023 8-K

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 08, 2023 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File N

August 8, 2023 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 001-37874 Everbridge

June 8, 2023 SC 13G/A

EVBG / Everbridge Inc / BlackRock Inc. Passive Investment

us29978a1043060623.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 5) EVERBRIDGE INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 29978A104 - (CUSIP Number) May 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which th

May 30, 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

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 25, 2023 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Numb

May 9, 2023 EX-10

First Amendment to Lease Agreement, dated as of April 10, 2023, by and between Everbridge, Inc. and SFIII Lake, LLC and SFIII FOS Lake, LLC.

Exhibit 10.2 FIRST AMENDMENT TO LEASE AGREEMENT This FIRST AMENDMENT TO LEASE AGREEMENT (“Amendment”), dated for reference purposes only as of the 10 day of April, 2023 (the “Effective Date”), is entered into by and between SFIII LAKE, LLC, a Delaware limited liability company, and SFIII FOS LAKE, LLC, a Delaware limited liability company (collectively, “Landlord”), and EVERBRIDGE, INC., a Delawar

May 9, 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

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 09, 2023 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Numb

May 9, 2023 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 001-37874 Everbridg

May 9, 2023 EX-10

Employment Agreement, dated as of December 16, 2022, by and between Everbridge, Inc. and Bryan Barney.

Exhibit 10.1 December 16, 2022 Bryan Barney Address Address Re: Terms of Employment Dear Bryan: This letter agreement (this “Agreement”) will set forth the terms of your “at-will” term employment relationship with Everbridge, Inc., and/or any present or future parent, subsidiary or affiliate thereof (collectively, the “Company”). This Agreement hereby supersedes any and all previous agreements rel

May 9, 2023 EX-99

Everbridge Announces First Quarter 2023 Financial Results Company Delivers Solid First Quarter Revenue and Improved Profitability

Exhibit 99.1 Everbridge Announces First Quarter 2023 Financial Results Company Delivers Solid First Quarter Revenue and Improved Profitability BURLINGTON, Mass – May 9, 2023 – Everbridge, Inc. (Nasdaq: EVBG), the global leader in critical event management (CEM) and national public warning solutions, today announced its financial results for the first quarter ended March 31, 2023. Revenue for the f

May 4, 2023 CORRESP

Year Ended December 31,

May 4, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Technology 100 F Street, N.E. Washington, DC 20549 Attention: Robert S. Littlepage and Joseph Cascarano Re: Everbridge, Inc. Form 10-K for the Fiscal Year Ended December 31, 2022 Filed February 24, 2023 File No. 001-37874 Dear Mr. Littlepage and Mr. Cascarano: This letter sets forth the response

April 27, 2023 8-K

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): April 27, 2023 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Nu

April 21, 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

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 20, 2023 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File Nu

April 13, 2023 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 13, 2023 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

February 24, 2023 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, 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: 001-37874 Everbridge, In

February 24, 2023 EX-21

Subsidiaries of Everbridge, Inc.

Exhibit 21.1 List of Subsidiaries of Everbridge, Inc. Company Name Jurisdiction Alarmpoint, Inc. California Anvil Worldwide Limited United Kingdom Beijing Wanqiao Daguan Information and Technology Co., Ltd. China CNL Software Limited United Kingdom CNL Software, Inc. Delaware Connexient, Inc. Delaware Everbridge Asia Pte. Ltd. Singapore Everbridge Denmark ApS Denmark Everbridge Europe Limited Unit

February 24, 2023 EX-10

Second Amendment to Lease, dated as of October 16, 2018, by and between Everbridge, Inc. and 25 Corporate Drive LLC.

Exhibit 10.22 SECOND AMENDMENT TO LEASE .THIS SECOND AMENDMENT TO LEASE (the 'Amendment') is entered into as of this 16th day of October, 2018 (the "Amendment Effective Date") by and between 25 CORPORATE DRIVE LLC, a Delaware limited liability company having an address c/o Spear Street Capital, One Market Plaza, Suite 425, San Francisco, CA 94105 ("Landlord"), and EVERBRIDGE, INC., a Delaware corp

February 24, 2023 S-8

As filed with the Securities and Exchange Commission on February 24, 2023

S-8 As filed with the Securities and Exchange Commission on February 24, 2023 Registration No.

February 24, 2023 EX-10

2022 Corporate Bonus Plan of Everbridge, Inc.

Exhibit 10.15 Everbridge, Inc. 2022 Corporate Bonus Plan Introduction The 2022 Corporate Bonus Plan (“The Plan”) is designed as an incentive to participants to perform at their most effective level, as a reward for strong performance and as a way of sharing in the success of the Company. The Plan is designed to be self-funded and is incorporated in the business targets and budgets. The Plan is des

February 24, 2023 EX-FILING FEES

Filing Fee Table (filed herewith).

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Everbridge, Inc.

February 24, 2023 EX-10

Third Amendment to Lease, dated as of November 15, 2022, by and between Everbridge, Inc. and 25 Corporate Drive LLC.

Exhibit 10.23 THIRD AMENDMENT TO LEASE This THIRD AMENDMENT TO LEASE (this “Amendment”) is made as of the 15th day of November, 2022 (the “Amendment Effective Date”), between 25 CORPORATE DRIVE, LLC, a Delaware limited liability company having an address at One Market Plaza, Steuart Tower, Suite 1050, San Francisco, California 94105, as landlord (“Landlord”), and EVERBRIDGE, INC., a Delaware corpo

February 24, 2023 EX-10

Consulting Services Agreement dated December 31, 2022 between Elliot J. Mark and the Company.

Exhibit 10.14 CONSULTING AGREEMENT THIS CONSULTING AGREEMENT (this “Agreement”) is entered into as of December 31, 2022, by and between Everbridge, Inc. (“Everbridge”) and Elliot J. Mark (“Consultant”). The parties hereby agree as follows: 1. Engagement. Subject to the terms and conditions of this Agreement, Everbridge hereby engages Consultant as an independent agent and consultant to Everbridge,

February 22, 2023 EX-99

Everbridge Announces Fourth Quarter and Full Year 2022 Financial Results

Exhibit 99.1 Everbridge Announces Fourth Quarter and Full Year 2022 Financial Results • Strong Revenue Performance to End the Year Demonstrates Successful Execution of Strategic Realignment in 2022 and Ongoing Commitment to Sustained, Profitable Growth in Years Ahead • Fourth Quarter Results Driven by Healthy Increase in Annual Recurring Revenue (ARR) BURLINGTON, Mass – February 22, 2023 – Everbri

February 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

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 22, 2023 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

February 14, 2023 SC 13G/A

EVBG / Everbridge Inc / Select Equity Group, L.P. - SCHEDULE 13G/A (AMENDMENT NO. 4) Passive Investment

SC 13G/A 1 e020823a.htm SCHEDULE 13G/A (AMENDMENT NO. 4) SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to desig

February 14, 2023 EX-99.1

EXHIBIT 99.1

EX-99.1 2 e020823b.htm EXHIBIT 99.1 EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

February 9, 2023 SC 13G/A

EVBG / Everbridge Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4)* Name of issuer: Everbridge Inc. Title of Class of Securities: Common Stock CUSIP Number: 29978A104 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rul

December 28, 2022 EX-FILING FEES

Calculation of Filing Fee Table.

EX-FILING FEES 4 d407256dexfilingfees.htm EX-FILING FEES Exhibit 107 CALCULATION OF FILING FEE TABLES Form S-8 Everbridge, Inc. Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount to be Registered(1) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee(4) Equity Common Stock, $0.001 p

December 28, 2022 S-8

As filed with the Securities and Exchange Commission on December 28, 2022

S-8 As filed with the Securities and Exchange Commission on December 28, 2022 Registration No.

December 20, 2022 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): December 16, 2022 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

December 20, 2022 EX-10.1

Everbridge, Inc. 2022 Inducement Incentive Plan.

Exhibit 10.1 Everbridge, Inc. 2022 Inducement Plan Adopted by the Board of Directors: December 16, 2022 1. General. (a) Eligible Award Recipients. The only persons eligible to receive grants of Awards under this Plan are individuals who satisfy the standards for inducement grants under NASDAQ Marketplace Rule 5635(c)(4) or 5635(c)(3), if applicable, and the related guidance under NASDAQ IM 5635-1.

December 20, 2022 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): December 16, 2022 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

December 20, 2022 EX-10.2

Form of Option Grant Notice and Award Agreement under the Everbridge, Inc. 2022 Inducement Incentive Plan.

Exhibit 10.2 Everbridge, Inc. Stock Option Grant Notice (2022 Inducement Plan) Everbridge, Inc. (the ?Company?), pursuant to its 2022 Inducement Plan (the ?Plan?), hereby grants to Optionholder an option to purchase the number of shares of the Company?s Common Stock set forth below. This option is subject to all of the terms and conditions as set forth in this notice, in the Option Agreement, the

December 20, 2022 EX-10.3

Form of Restricted Stock Unit Grant Notice and Award Agreement under the Everbridge, Inc. 2022 Inducement Incentive Plan.

Exhibit 10.3 Everbridge, Inc. Restricted Stock Unit Grant Notice (2022 Inducement Plan) Everbridge, Inc. (the ?Company?), pursuant to its 2022 Inducement Plan (the ?Plan?), hereby awards to Participant a Restricted Stock Unit Award for the number of shares of the Company?s Common Stock (?Restricted Stock Units?) set forth below (the ?Award?). The Award is subject to all of the terms and conditions

December 20, 2022 EX-99.1

Everbridge Appoints RSA Chief Executive Officer Rohit Ghai and Blackbaud Executive Vice President David Benjamin to its Board of Directors Long-time Directors Jaime Ellertson and Bruns Grayson to retire from the Everbridge Board at the end of 2022

Exhibit 99.1 Everbridge Appoints RSA Chief Executive Officer Rohit Ghai and Blackbaud Executive Vice President David Benjamin to its Board of Directors Long-time Directors Jaime Ellertson and Bruns Grayson to retire from the Everbridge Board at the end of 2022 BURLINGTON, Mass. ? December 20, 2022 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM) and national

November 23, 2022 8-K

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): November 22, 2022 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

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

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 09, 2022 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

November 8, 2022 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 001-37874 Everb

November 8, 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

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 08, 2022 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

November 8, 2022 EX-99.1

Everbridge Reports Strong Third Quarter 2022 Financial Results Third Quarter Results Reflect Continuing Progress on Strategic Realignment and Commitment to Sustained, Profitable Growth Everbridge Plans to Further Detail Financial Model and Long-Term

Exhibit 99.1 Everbridge Reports Strong Third Quarter 2022 Financial Results Third Quarter Results Reflect Continuing Progress on Strategic Realignment and Commitment to Sustained, Profitable Growth Everbridge Plans to Further Detail Financial Model and Long-Term Strategy During Upcoming Investor Day Scheduled for December 13 BURLINGTON, Mass – November 8, 2022 – Everbridge, Inc. (NASDAQ: EVBG), th

October 11, 2022 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): October 04, 2022 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File

August 9, 2022 EX-99.1

Everbridge Announces Second Quarter 2022 Financial Results Second quarter results reflect progress on 2022 Strategic Realignment

Exhibit 99.1 Everbridge Announces Second Quarter 2022 Financial Results Second quarter results reflect progress on 2022 Strategic Realignment BURLINGTON, Mass ? August 9, 2022 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM) and national public warning solutions, today announced its financial results for the second quarter ended June 30, 2022. Revenue was $10

August 9, 2022 EX-10.1

Everbridge, Inc. Severance Plan.

Exhibit 10.1 EVERBRIDGE, INC. SEVERANCE PLAN AND SUMMARY PLAN DESCRIPTION (Adopted by the Board of Directors on August 5, 2022) 1. Introduction. The purpose of this Everbridge, Inc. Severance Plan (the ?Plan?) is to provide assurances of specified severance benefits to eligible employees of the Company whose employment is subject to being involuntarily terminated by the Company other than for Caus

August 9, 2022 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 001-37874 Everbridge

August 9, 2022 8-K

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 09, 2022 Everbridge, Inc. (Exact name of Registrant as Specified in Its Charter) Delaware 001-37874 26-2919312 (State or Other Jurisdiction of Incorporation) (Commission File N

July 25, 2022 EX-99.1

Everbridge Appoints David Wagner Chief Executive Officer

Exhibit 99.1 Everbridge Appoints David Wagner Chief Executive Officer BURLINGTON, Mass. ? July 25, 2022 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM) and national public warning software solutions , today announced that David Wagner, formerly President and Chief Executive Officer of Zix, has been appointed President and Chief Executive Officer, effective i

July 25, 2022 EX-10.1

Employment Agreement dated July 25, 2022, between David Wagner and the Company.

Exhibit 10.1 July 25, 2022 Mr. David Wagner Address Address Re: Terms of Employment Dear David: This letter agreement (this ?Agreement?) will set forth the terms of your ?at-will? term employment relationship with Everbridge, Inc., and/or any present or future parent, subsidiary or affiliate thereof (collectively, the ?Company?). This Agreement hereby supersedes any and all previous agreements rel

July 25, 2022 8-K

Regulation FD Disclosure, 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): July 19, 2022 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Num

May 25, 2022 8-K

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): May 19, 2022 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Numb

May 9, 2022 10-Q

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 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: 001-37874 Everbridg

May 9, 2022 EX-99.2

This presentation contains forward-looking statements about Everbridge, Inc. (“EVBG”, “Everbridge” or the “Company”) within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995, based on management’s cur

1Q22 Investor Presentation May 9, 2022 Exhibit 99.2 This presentation contains forward-looking statements about Everbridge, Inc. (?EVBG?, ?Everbridge? or the ?Company?) within the meaning of the ?safe harbor? provisions of the Private Securities Litigation Reform Act of 1995, based on management?s current expectation. Forward-looking statements include information related to our possible or assume

May 9, 2022 EX-99.1

Everbridge Announces Strong First Quarter Financial Results First Quarter Revenue and Adjusted EBITDA Exceed High-End of Guidance

Exhibit 99.1 Everbridge Announces Strong First Quarter Financial Results First Quarter Revenue and Adjusted EBITDA Exceed High-End of Guidance Burlington, Mass ? May 9, 2022 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM) and national public warning solutions, today announced its financial results for the first quarter ended March 31, 2022. ?We delivered con

May 9, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Costs Associated with Exit or Disposal Activities, 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 9, 2022 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Numbe

May 9, 2022 PX14A6G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EXEMPT SOLICITATION Submitted Pursuant to Rule 14a-6(g) (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EXEMPT SOLICITATION Submitted Pursuant to Rule 14a-6(g) (Amendment No. ) 1. Name of the Registrant: Everbridge, Inc. 2. Name of Person Relying on Exemption: Ancora Alternatives LLC 3. Address of Person Relying on the Exemption: 6060 Parkland Blvd. Suite #200 Cleveland, Ohio 44124 4. Written Material. The following wr

May 9, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEFA14A 1 d318589ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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 Prox

May 4, 2022 PX14A6G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EXEMPT SOLICITATION Submitted Pursuant to Rule 14a-6(g) (Amendment No. __)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EXEMPT SOLICITATION Submitted Pursuant to Rule 14a-6(g) (Amendment No. ) 1. Name of the Registrant: Everbridge, Inc. 2. Name of Person Relying on Exemption: Ancora Alternatives LLC 3. Address of Person Relying on the Exemption: 6060 Parkland Blvd. Suite #200 Cleveland, Ohio 44124 4. Written Material. The following wr

May 4, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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 (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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

May 4, 2022 PX14A6G

INVESTOR PRESENTATION

April 29, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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 (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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

April 8, 2022 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 8, 2022 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 8, 2022 SC 13G/A

EVBG / Everbridge Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3)* Name of issuer: Everbridge Inc. Title of Class of Securities: Common Stock CUSIP Number: 29978A104 Date of Event Which Requires Filing of this Statement: March 31, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 1

February 25, 2022 EX-4.5

Description of securities registered pursuant to Section 12 of the Securities Exchange Act of 1934.

Exhibit 4.5 DESCRIPTION OF THE REGISTRANT'S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description sets forth certain material terms and provisions of the securities of Everbridge, Inc. (the ?Company?) that are registered under Section 12 of the Securities Exchange Act of 1934, as amended. This description also summarizes relevant provisions o

February 25, 2022 S-8

As filed with the Securities and Exchange Commission on February 25, 2022

As filed with the Securities and Exchange Commission on February 25, 2022 Registration No.

February 25, 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: 001-37874 Everbridge, In

February 25, 2022 EX-FILING FEES

Filing Fee Table (filed herewith).

Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) Everbridge, Inc. (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(2) Maximum Aggregate Offering Price(2) Fee Rate Amount of Registration Fee Equity Common Stock, par value $0

February 25, 2022 EX-10.20

2021 Management Incentive Plan of Everbridge, Inc.

Exhibit 10.20 Everbridge, Inc. 2021 Management Incentive Plan Introduction The 2021 Management Incentive Plan (?The Plan?) is designed as an incentive to participants to perform at their most effective level, as a reward for strong performance and as a way of sharing in the success of the Company. The Plan is designed to be self-funded and is incorporated in the business targets and budgets. The P

February 25, 2022 EX-21.1

Subsidiaries of Everbridge, Inc

Exhibit 21.1 List of Subsidiaries of Everbridge, Inc. Company Name Jurisdiction Beijing Wan Qiao Da Guan Information & Technology Ltd. China CNL Software Limited United Kingdom CNL Software, Inc. Delaware Connexient, Inc. Delaware Everbridge Asia Pte. Ltd. Singapore Everbridge Holdings Limited United Kingdom Everbridge Denmark ApS Denmark Everbridge Europe Limited United Kingdom Everbridge Finland

February 24, 2022 EX-99.1

Everbridge Announces Fourth Quarter and Full Year 2021 Financial Results

Exhibit 99.1 Everbridge Announces Fourth Quarter and Full Year 2021 Financial Results ? Continued Penetration of Critical Event Management Opportunity Enables Full Year 2021 Revenue Increase of 36% Year-over-Year Burlington, Mass ? February 24, 2022 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM) and national Public Warning solutions, today announced its fin

February 24, 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): February 24, 2022 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

February 14, 2022 EX-99.1

EXHIBIT 99.1

EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

February 14, 2022 SC 13G/A

EVBG / Everbridge Inc / Select Equity Group, L.P. - SCHEDULE 13G/A, #3 Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

February 10, 2022 SC 13G/A

EVBG / Everbridge Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: Everbridge Inc. Title of Class of Securities: Common Stock CUSIP Number: 29978A104 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rul

February 3, 2022 SC 13G/A

EVBG / Everbridge Inc / BlackRock Inc. Passive Investment

us29978a1043020222.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 3) EVERBRIDGE INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 29978A104 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

January 19, 2022 EX-4.5

Form of Preferred Stock Warrant Agreement and Warrant Certificate

Exhibit 4.5 EVERBRIDGE, INC. FORM OF PREFERRED STOCK WARRANT AGREEMENT THIS PREFERRED STOCK WARRANT AGREEMENT (this ?Agreement?), dated as of [?], between EVERBRIDGE, INC., a Delaware corporation (the ?Company?) and [?], a [corporation] [national banking association] organized and existing under the laws of [?] and having a corporate trust office in [?], as warrant agent (the ?Warrant Agent?). WHE

January 19, 2022 EX-4.2

Form of Indenture, between Registrant and one or more trustees to be named

Exhibit 4.2 EVERBRIDGE, INC., Issuer AND [TRUSTEE], Trustee INDENTURE Dated as of [?], 20 Debt Securities TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions of Terms 1 ARTICLE 2 ISSUE, DESCRIPTION, TERMS, EXECUTION, REGISTRATION AND EXCHANGE OF SECURITIES 5 Section 2.01 Designation and Terms of Securities 5 Section 2.02 Form of Securities and Trustee?s Certificate 8 Section 2.

January 19, 2022 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): January 19, 2022 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

January 19, 2022 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-262231 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 587,029 shares $? (3) $? (3) $0(3) (1) This prospectus supplem

January 19, 2022 EX-4.4

Form of Common Stock Warrant Agreement and Warrant Certificate

Exhibit 4.4 EVERBRIDGE, INC. AND , AS WARRANT AGENT FORM OF COMMON STOCK WARRANT AGREEMENT DATED AS OF EVERBRIDGE, INC. FORM OF COMMON STOCK WARRANT AGREEMENT THIS COMMON STOCK WARRANT AGREEMENT (this ?Agreement?), dated as of [?], between EVERBRIDGE, INC., a Delaware corporation (the ?Company?) and [?], a [corporation] [national banking association] organized and existing under the laws of [?] an

January 19, 2022 S-3ASR

As filed with the Securities and Exchange Commission on January 19, 2022

Table of Contents As filed with the Securities and Exchange Commission on January 19, 2022 Registration No.

January 19, 2022 EX-4.6

Form of Debt Securities Warrant and Warrant Certificate

Exhibit 4.6 EVERBIDGE, INC. FORM OF DEBT SECURITIES WARRANT AGREEMENT THIS DEBT SECURITIES WARRANT AGREEMENT (this ?Agreement?), dated as of [?], between EVERBRIDGE, INC., a Delaware corporation (the ?Company?) and [?], a [corporation] [national banking association] organized and existing under the laws of [?] and having a corporate trust office in [?], as warrant agent (the ?Warrant Agent?). WHER

January 11, 2022 EX-99.1

Everbridge Appoints Former Citrix President & CEO David Henshall to its Board of Directors

Exhibit 99.1 Everbridge Appoints Former Citrix President & CEO David Henshall to its Board of Directors BURLINGTON, Mass. ? January 11, 2022 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM) and national public warning solutions, today announced the appointment of David Henshall as Vice Chairman of the Everbridge Board of Directors. Mr. Henshall most recently

January 11, 2022 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 REPORTa Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2022 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

December 9, 2021 EX-99.1

Everbridge Announces CEO Transition

Exhibit 99.1 Everbridge Announces CEO Transition BURLINGTON, Mass. ? December 9, 2021 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM) and national public warning software solutions, today announced that David Meredith has notified the Board of Directors of the Company of his intention to resign from his role as Chief Executive Officer (?CEO?) of the Company

December 9, 2021 EX-10.2

Letter agreement, dated December 8, 2021, by and between Vernon Irvin and Everbridge, Inc.

Exhibit 10.2 December 8, 2021 Mr. Vernon Irvin Address Address Dear Vernon: This letter sets forth the terms under which you will assume the position of Interim Co-Chief Executive Officer of Everbridge, Inc. (the ?Company?). You also will retain your current position of Chief Revenue Officer of the Company. During the period in which you are serving as Interim Co-Chief Executive Officer and for th

December 9, 2021 EX-10.1

Letter agreement, dated December 8, 2021, by and between Patrick Brickley and Everbridge, Inc.

Exhibit 10.1 December 8, 2021 Mr. Patrick Brickley Address Address Dear Patrick: This letter sets forth the terms under which you will assume the position of Interim Co-Chief Executive Officer of Everbridge, Inc. (the ?Company?). You also will retain your current position of Chief Financial Officer of the Company. During the period in which you are serving as Interim Co-Chief Executive Officer and

December 9, 2021 8-K

Regulation FD Disclosure, 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): December 9, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

November 24, 2021 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 574,639 shares $112.75 (3)(4) $64,790,547.25 (4) $6,006.09 (4)

November 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 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, 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: 001-37874 Everb

November 9, 2021 EX-99.1

Everbridge Announces Strong Third Quarter 2021 Financial Results Revenue exceeded quarterly guidance range, growing 36% from prior year Profitability metrics also above guidance ranges Raises revenue and profitability guidance for full year

Exhibit 99.1 Everbridge Announces Strong Third Quarter 2021 Financial Results Revenue exceeded quarterly guidance range, growing 36% from prior year Profitability metrics also above guidance ranges Raises revenue and profitability guidance for full year Burlington, Mass ? November 9, 2021 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM) and national Public Wa

November 9, 2021 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 9, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

August 9, 2021 EX-3.1

Sixth Amended and Restated Certificate of Incorporation of Everbridge, Inc.

Exhibit 3.1 SIXTH AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF EVERBRIDGE, INC. Everbridge, Inc., a corporation organized and existing under and by virtue of the General Corporation Law of the State of the Delaware does hereby certify that: ONE: The original name of this corporation was 3n Global, Inc. and the date of filing the original Certificate of Incorporation of this corporation wit

August 9, 2021 EX-3.2

Second Amended and Restated Bylaws of Everbridge, Inc.

EXHIBIT 3.2 SECOND AMENDED AND RESTATED BYLAWS OF EVERBRIDGE, INC. (A DELAWARE CORPORATION) Table of Contents Page ARTICLE I OFFICES 1 Section 1. Registered Office 1 Section 2. Other Offices 1 ARTICLE II CORPORATE SEAL 1 Section 3. Corporate Seal 1 ARTICLE III STOCKHOLDERS? MEETINGS 1 Section 4. Place Of Meetings 1 Section 5. Annual Meetings 1 Section 6. Special Meetings 4 Section 7. Notice Of Mee

August 9, 2021 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 9, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Nu

August 9, 2021 EX-99.1

Everbridge Announces Strong Second Quarter 2021 Financial Results Highlighted by a Record Number of Critical Event Management (CEM) Wins

Exhibit 99.1 Everbridge Announces Strong Second Quarter 2021 Financial Results Highlighted by a Record Number of Critical Event Management (CEM) Wins Burlington, Mass ? August 9, 2021 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM), today announced its financial results for the second quarter ended June 30, 2021. ?We delivered strong second quarter results,

August 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 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, 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: 001-37874 Everbridge

August 6, 2021 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 12,390 shares $145.12 (3)(4) $1,798,036.80 (4) $196.17 (4) (1)

July 16, 2021 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 41,668 shares $131.305 (3)(4) $5,471,216.74 (4) $596.91 (4) (1

May 26, 2021 8-K

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): May 20, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Numb

May 24, 2021 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 6,188 shares $117.37 (3)(4) $726,285.56 (4) $79.24 (4) (1) Thi

May 10, 2021 10-Q

Quarterly Report - 10-Q

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, 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: 001-37874 Everbridge, Inc.

May 10, 2021 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 10, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Numb

May 10, 2021 EX-99.1

Everbridge Announces Strong First Quarter 2021 Financial Results Highlighted by 40% Revenue Growth Year Over Year First Quarter Revenue Exceeds High-End of Guidance by Record $6.5 million Operating Cash Flow Reaches New Quarterly High of $19.8 Millio

Exhibit 99.1 Everbridge Announces Strong First Quarter 2021 Financial Results Highlighted by 40% Revenue Growth Year Over Year First Quarter Revenue Exceeds High-End of Guidance by Record $6.5 million Operating Cash Flow Reaches New Quarterly High of $19.8 Million Burlington, Mass ? May 10, 2021 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM), today announce

May 10, 2021 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 555,332 shares $116.05 (3)(4) $64,446,279 (4) $7,031.09 (4) (1

May 7, 2021 EX-99.1

Critical Event Management (CEM) Leader Everbridge Completes Acquisition of xMatters to Accelerate Digital Transformation for Enterprise IT and Cyber Resilience Everbridge combines with xMatters to create industry’s most robust enterprise-wide platfor

Exhibit 99.1 Critical Event Management (CEM) Leader Everbridge Completes Acquisition of xMatters to Accelerate Digital Transformation for Enterprise IT and Cyber Resilience Everbridge combines with xMatters to create industry?s most robust enterprise-wide platform for managing both digital threats and physical security via a common operating environment ? powering the next generation Fusion Center

May 7, 2021 8-K/A

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

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 May 7, 2021 Date of earliest event reported: April 6, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incor

May 7, 2021 DEFA14A

- DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 9, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) March 31, 2

Everbridge, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) March 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

April 7, 2021 DEFA14A

- DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 7, 2021 DEF 14A

Proxy Statement

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 6, 2021 EX-99.1

Critical Event Management (CEM) Provider Everbridge to Acquire xMatters

Exhibit 99.1 Critical Event Management (CEM) Provider Everbridge to Acquire xMatters ? xMatters combines with Everbridge CEM to power the next generation of enterprise-wide digital/physical Fusion Centers via a single pane of glass ? Combination will accelerate digital transformation across IT Service Operations, Cybersecurity and DevOps incident response management, thereby reducing costs, protec

April 6, 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): April 6, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Num

March 26, 2021 PRE 14A

- PRE 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 11, 2021 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, 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): March 8, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Num

March 11, 2021 EX-99.3

Everbridge Announces Pricing of Upsized $325 Million Convertible Notes Offering

Exhibit 99.3 Everbridge Announces Pricing of Upsized $325 Million Convertible Notes Offering BURLINGTON, Mass., March 9, 2021 ? Everbridge, Inc. (Nasdaq: EVBG) announced today the pricing of $325.0 million aggregate principal amount of 0% convertible senior notes due 2026 (the Notes) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as

March 11, 2021 EX-99.1

Page 1 of 32

EX-99.1 Exhibit 99.1 March [], 2021 From: [Dealer]1 [] [] [] To: Everbridge, Inc. 25 Corporate Drive, Suite 400 Burlington, MA 01803 Attention: General Counsel Telephone: 818-230-9700 Re: [Base][Additional] Call Option Transaction The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the call option transaction entered into between [] (“Dealer”) and E

March 11, 2021 EX-4.1

Form of Global Note, representing Everbridge, Inc.’s 0% Convertible Senior Notes due 2026 (included as Exhibit A to the Indenture filed as Exhibit 4.1).

EX-4.1 2 d39248dex41.htm EX-4.1 Exhibit 4.1 EXECUTION VERSION EVERBRIDGE, INC. AND U.S. BANK NATIONAL ASSOCIATION, as Trustee INDENTURE Dated as of March 11, 2021 0% Convertible Senior Notes due 2026 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions 1 Section 1.02 References to Interest 14 ARTICLE 2 ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES 14 Section

March 11, 2021 EX-99.2

Everbridge Announces Private Offering of $275 Million Convertible Notes

Exhibit 99.2 Everbridge Announces Private Offering of $275 Million Convertible Notes BURLINGTON, Mass., March 8, 2021 ? Everbridge, Inc. (Nasdaq: EVBG) announced today that it intends to offer, subject to market and other conditions, $275.0 million aggregate principal amount of convertible senior notes due 2026 (the Notes) in a private placement to qualified institutional buyers pursuant to Rule 1

February 26, 2021 EX-10.6

Non-Employee Director Compensation Plan.

Exhibit 10.6 Non-Employee Director Compensation Policy Cash Compensation Effective January 1, 2021, each non-employee member of the board of directors (the ?Board?) of Everbridge, Inc. (the ?Company?) will receive an annual cash retainer of $40,000. The chairpersons of the Audit Committee, Compensation Committee, and Nominating and Corporate Governance Committee will receive additional annual cash

February 26, 2021 EX-10.9

Amended and Restated Engagement Agreement, dated as of February 26, 2021, by and between Everbridge, Inc. and Jaime Ellertson.

Exhibit 10.9 February 25, 2021 Mr. Jaime Ellertson Address Address Re:Amended and Restated Letter Agreement Dear Jaime: This letter amends and restates the terms of your employment agreement with Everbridge, Inc. (the ?Company?) dated July 26, 2012 (the ?Agreement?). Capitalized terms used without definition herein shall have the meaning assigned to such terms in the Agreement. This letter agreeme

February 26, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on February 26, 2021 Registration No.

February 26, 2021 EX-10.11

Amendment to Employment Agreement, dated as of February 26, 2021, by and between Everbridge, Inc. and Imad Mouline.

Exhibit 10.11 February 25, 2021 Mr. Imad Mouline Address Address Re:Amendment to Terms of Employment Dear Imad: This letter amends and supplements the terms of your employment agreement with Everbridge, Inc. (the ?Company?) dated July 26, 2012 (the ?Agreement?). Capitalized terms used without definition herein shall have the meaning assigned to such terms in the Agreement. 1. Section 1(b) of the A

February 26, 2021 10-K

Annual Report - 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, 2020 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: 001-37874 Everbridge, In

February 26, 2021 EX-21.1

Subsidiaries of Everbridge, Inc

Exhibit 21.1 List of Subsidiaries of Everbridge, Inc. Company Name Jurisdiction Beijing Wan Qiao Da Guan Information & Technology Ltd. China CNL Software Limited United Kingdom CNL Software, Inc. Delaware Connexient, Inc. Delaware Everbridge Asia Pte. Ltd. Singapore Everbridge Holdings Limited United Kingdom Everbridge Denmark ApS Denmark Everbridge Europe Limited United Kingdom Everbridge Finland

February 18, 2021 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): February 18, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

February 18, 2021 EX-99.1

Everbridge Announces Strong Fourth Quarter and Full Year 2020 Financial Results

Exhibit 99.1 Everbridge Announces Strong Fourth Quarter and Full Year 2020 Financial Results ? Fourth Quarter Revenue Exceeds High-End of Guidance by Record $2.9 million ? Full Year 2020 Revenue Increases 35% Year-over-Year ? Operating Cash Flow Reaches Record for Fourth Quarter and Full Year 2020 Burlington, Mass ? February 18, 2021 ? Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical

February 16, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) December 31,

Everbridge, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to w

February 12, 2021 EX-99.1

EXHIBIT 99.1

EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

February 12, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) December 31, 2020 (Date

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Everbridge Inc. Title of Class of Securities: Common Stock CUSIP Number: 29978A104 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rul

February 4, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Everbridge Inc (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) December 31, 2020 (Dat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Everbridge Inc (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule

January 20, 2021 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

424B7 Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 162,820 shares $140.24 (3)(4) $22,833,876.80 (4) $2,491.

January 20, 2021 8-K

Financial Statements and Exhibits, Other Events - 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 20, 2021 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

January 5, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 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): December 29, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

November 6, 2020 10-Q

Quarterly Report - 10-Q

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, 2020 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: 001-37874 Everbridge, Inc.

November 5, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition - 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 5, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

November 5, 2020 EX-99.1

Everbridge Reports Strong Third Quarter 2020 Financial Results

Exhibit 99.1 Everbridge Reports Strong Third Quarter 2020 Financial Results • Revenue Grows 36% Year-over-Year • Exceeds High-End of Third Quarter Revenue Guidance by Record $2.6 million • Increases Full Year Revenue and Profitability Guidance Burlington, Mass – November 5, 2020 – Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM), today announced strong financia

August 10, 2020 10-Q

Quarterly Report - 10-Q

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, 2020 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: 001-37874 Everbridge, Inc.

August 10, 2020 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

424B7 Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 121,858 shares $145.76 (3)(4) $17,762,022.08 (4) $2,305.

August 6, 2020 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 6, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Nu

August 6, 2020 EX-99.1

Everbridge Announces Strong Second Quarter 2020 Financial Results Second Quarter Revenue Increased 35% Year-over-Year Raises Full Year Revenue Guidance

Exhibit 99.1 Everbridge Announces Strong Second Quarter 2020 Financial Results Second Quarter Revenue Increased 35% Year-over-Year Raises Full Year Revenue Guidance Burlington, Mass – August 6, 2020 – Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM), today announced financial results for the second quarter ended June 30, 2020. “We delivered strong financial per

June 3, 2020 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

424B7 Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 45,204 shares $149.69 (3)(4) $6,766,586.76 (4) $878.31 (

June 3, 2020 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): June 3, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Numb

May 20, 2020 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 14, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Numb

May 8, 2020 EX-10.2

2020 Management Incentive Plan of Everbridge, Inc.

Exhibit 10.2 Everbridge, Inc. 2020 Management Incentive Plan Introduction The 2020 Management Incentive Plan (“The Plan”) is designed as an incentive to participants to perform at their most effective level, as a reward for strong performance and as a way of sharing in the success of the Company. The Plan is designed to be self-funded and is incorporated in the business targets and budgets. The Pl

May 8, 2020 10-Q

Quarterly Report - 10-Q

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, 2020 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: 001-37874 Everbridge, Inc.

May 8, 2020 EX-10.1

Employment Agreement, dated as of October 8, 2019, by and between Everbridge, Inc. and Ajay Nigam.

Exhibit 10.1 October 8, 2019 Ajay Nigam Address Address Re:Terms of Employment Dear Ajay: This letter agreement (this “Agreement”) will set forth the terms of your “at-will” term employment relationship with Everbridge, Inc., and/or any present or future parent, subsidiary or affiliate thereof (collectively, the “Company”). This Agreement hereby supersedes any and all previous agreements relating

May 8, 2020 SC 13G/A

EVBG / Everbridge, Inc. / Select Equity Group, L.P. - SCHEDULE 13G (AMENDMENT NO. 1) Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) April 30, 2020 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒

May 8, 2020 EX-99.1

EXHIBIT 99.1

EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

May 5, 2020 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 5, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Numbe

May 5, 2020 EX-99.1

Everbridge Announces Strong First Quarter 2020 Financial Results First Quarter Revenue Increased 38% Year-over-Year

Exhibit 99.1 Everbridge Announces Strong First Quarter 2020 Financial Results First Quarter Revenue Increased 38% Year-over-Year Burlington, Mass – May 5, 2020 – Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management and enterprise safety software applications to help keep people safe and businesses running, today announced its financial results for the first quarter ended

April 3, 2020 DEFA14A

EVBG / Everbridge, Inc. DEFA14A - - DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

April 3, 2020 DEF 14A

Proxy Statement

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 26, 2020 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 p

Form 424B7 Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered(1) Amount Registered(2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 52,113 shares $115.71 (3)(4) $6,029,995.23 (4) $782

March 23, 2020 EX-99.1

Patrick Brickley – Chief Financial Officer + Responsible for all Global Finance Functions + Joined Everbridge in 2015 as VP of Finance; helped lead IPO, Capital Transactions, M&A, Investor Relations + 20+ years experience in Finance, Accounting, Sale

EX-99.1 Exhibit 99.1 Welcome Everbridge Analyst Day 2020 © Everbridge, Inc. Confidential & Proprietary. 1Exhibit 99.1 Welcome Everbridge Analyst Day 2020 © Everbridge, Inc. Confidential & Proprietary. 1 Patrick Brickley – Chief Financial Officer + Responsible for all Global Finance Functions + Joined Everbridge in 2015 as VP of Finance; helped lead IPO, Capital Transactions, M&A, Investor Relation

March 23, 2020 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): March 23, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Nu

March 2, 2020 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered (1) Amount Registered (2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001

424B7 Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered (1) Amount Registered (2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 153,217 shares $104.30(3)(4) $15,980,533.10(4) $2,074.

March 2, 2020 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): March 2, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File Num

February 28, 2020 10-K

Annual Report - 10-K

z 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, 2019 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: 001-37874 Everbridge,

February 28, 2020 EX-4.5

Description of securities registered pursuant to Section 12 of the Securities Exchange Act of 1934

Exhibit 4.5 DESCRIPTION OF THE REGISTRANT'S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description sets forth certain material terms and provisions of the securities of Everbridge, Inc. (the “Company”) that are registered under Section 12 of the Securities Exchange Act of 1934, as amended. This description also summarizes relevant provisions o

February 28, 2020 S-8

As filed with the Securities and Exchange Commission on February 28, 2020

As filed with the Securities and Exchange Commission on February 28, 2020 Registration No.

February 28, 2020 EX-21.1

Subsidiaries of Everbridge, Inc

Exhibit 21.1 List of Subsidiaries of Everbridge, Inc. Company Name Jurisdiction Beijing Wan Qiao Da Guan Information & Technology Ltd. China Everbridge Holdings Limited United Kingdom Everbridge Europe Limited United Kingdom Everbridge Securities Corporation Massachusetts Microtech USA LLC Delaware Svensk Krisledning AB Sweden Everbridge Norway AS Norway UMS AB Sweden Everbridge Denmark ApS Denmar

February 24, 2020 424B7

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered (1) Amount Registered (2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001

424B7 Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-229239 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered (1) Amount Registered (2) Proposed Maximum Offering Price Per Share Proposed Maximum Aggregate Offering Price Amount of Registration Fee Common Stock, par value $0.001 per share 96,611 shares $102.26(3)(4) $9,879,440.86(4) $1,282.35

February 24, 2020 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): February 24, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

February 18, 2020 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): February 18, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

February 18, 2020 EX-99.1

Everbridge Announces Strong Fourth Quarter and Full Year 2019 Financial Results Record Fourth Quarter and Full Year Revenue Each Increased 37% Year-over-Year

EX-99.1 Exhibit 99.1 Everbridge Announces Strong Fourth Quarter and Full Year 2019 Financial Results Record Fourth Quarter and Full Year Revenue Each Increased 37% Year-over-Year Burlington, Mass – February 18, 2020 – Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management and enterprise safety software applications to help keep people safe and businesses running, today ann

February 14, 2020 EX-99.2

AGREEMENT OF REPORTING PERSONS

EXHIBIT 99.2 AGREEMENT OF REPORTING PERSONS The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each

February 14, 2020 SC 13G

EVBG / Everbridge, Inc. / Select Equity Group, L.P. - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Everbridge Inc (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Ru

February 14, 2020 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): February 13, 2020 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

February 14, 2020 EX-99.1

EXHIBIT 99.1

EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E). 7

February 14, 2020 EX-99.1

Everbridge Appoints Finastra CEO Simon Paris to its Board of Directors Board appointment reflects Everbridge’s rapid growth and investment in Europe as company further expands its critical event management and population warning solutions globally

EX-99.1 Exhibit 99.1 Everbridge Appoints Finastra CEO Simon Paris to its Board of Directors Board appointment reflects Everbridge’s rapid growth and investment in Europe as company further expands its critical event management and population warning solutions globally Burlington, Mass. – February 5, 2020 – Everbridge, Inc. (NASDAQ: EVBG), the global leader in critical event management (CEM), today

February 14, 2020 SC 13G

EVBG / Everbridge, Inc. / Alger Associates Inc - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Everbridge, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29978A104 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedul

February 11, 2020 SC 13G

EVBG / Everbridge, Inc. / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Everbridge Inc Title of Class of Securities: Common Stock CUSIP Number: 29978A104 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(b) ☐ Rule 13d

December 20, 2019 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, 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 16, 2019 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

December 13, 2019 EX-99.2

Everbridge Announces Private Offering of $375 Million Convertible Notes Offering

EX-99.2 Exhibit 99.2 Everbridge Announces Private Offering of $375 Million Convertible Notes Offering BURLINGTON, Mass., December 9, 2019 – Everbridge, Inc. (Nasdaq: EVBG) announced today that it intends to offer, subject to market and other conditions, $375.0 million aggregate principal amount of convertible senior notes due 2024 (the Notes) in a private placement to qualified institutional buyer

December 13, 2019 EX-99.1

Page 1 of 30

EX-99.1 Exhibit 99.1 December 10, 2019 From: [Dealer] [] [] [] To: Everbridge, Inc. 25 Corporate Drive, Suite 400 Burlington, MA 01803 Attention: General Counsel Telephone: 818-230-9700 Re: Base Call Option Transaction The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the call option transaction entered into between [] (“Dealer”) and Everbridge, I

December 13, 2019 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, 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 10, 2019 Everbridge, Inc. (Exact name of registrant as specified in its charter) Delaware 001-37874 26-2919312 (State or other jurisdiction of incorporation) (Commission File

December 13, 2019 EX-4.1

Indenture, dated December 13, 2019, between Everbridge, Inc. and U.S. Bank National Association, as Trustee.

EX-4.1 Exhibit 4.1 EXECUTION VERSION EVERBRIDGE, INC. AND U.S. BANK NATIONAL ASSOCIATION, as Trustee INDENTURE Dated as of December 13, 2019 0.125% Convertible Senior Notes due 2024 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS 1 Section 1.01 Definitions 1 Section 1.02 References to Interest 13 ARTICLE 2 ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES 13 Section 2.01 Designation a

December 13, 2019 EX-99.3

Everbridge Announces Pricing of $375 Million Convertible Notes Offering

EX-99.3 Exhibit 99.3 Everbridge Announces Pricing of $375 Million Convertible Notes Offering BURLINGTON, Mass., December 11, 2019 – Everbridge, Inc. (Nasdaq: EVBG) announced today the pricing of $375.0 million aggregate principal amount of 0.125% convertible senior notes due 2024 (the Notes) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act of

November 8, 2019 10-Q

Quarterly Report - 10-Q

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, 2019 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: 001-37874 Everbridge, Inc.

November 8, 2019 EX-10.2

Employment Agreement, dated as of August 19, 2019, by and between Everbridge, Inc. and Vernon Irvin.

Exhibit 10.2 August 19, 2019 Vernon Irvin Address Address Re:Terms of Employment Dear Vernon: This letter agreement (this “Agreement”) will set forth the terms of your “at-will” term employment relationship with Everbridge, Inc., and/or any present or future parent, subsidiary or affiliate thereof (collectively, the “Company”). This Agreement hereby supersedes any and all previous agreements relat

November 4, 2019 EX-99.1

Everbridge Announces Third Quarter 2019 Financial Results Third Quarter Revenue Increased 35% Year-over-Year

EX-99.1 Exhibit 99.1 Everbridge Announces Third Quarter 2019 Financial Results Third Quarter Revenue Increased 35% Year-over-Year Burlington, Mass – November 4, 2019 – Everbridge, Inc. (NASDAQ: EVBG), the leader in critical event management (CEM), today announced its financial results for the third quarter ended September 30, 2019. “We exceeded our revenue and profitability guidance while also del

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