LXFR / Luxfer Holdings PLC - Документы SEC, Годовой отчет, Доверенное заявление

Люксфер Холдингс ПЛС
US ˙ NYSE ˙ US5506781062

Основная статистика
LEI 21380045UF5SJYZOXE41
CIK 1096056
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 Luxfer Holdings PLC
SEC Filings (Chronological Order)
На этой странице представлен полный хронологический список документов SEC, за исключением документов о собственности, которые мы предоставляем в других местах.
August 14, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2025 Luxfer Holdings PLC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

August 14, 2025 EX-99.1

Luxfer Appoints Stewart Watson to Board of Directors

Luxfer Appoints Stewart Watson to Board of Directors RIVERSIDE, CA, August 13, 2025 - Business Wire - Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications of advanced materials, today announced the appointment of Stewart Watson, a UK national, as a Non-Executive Director to its Board, effective September 1, 2025.

August 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2025 Luxfer Holdings PLC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 29, 2025 EX-99.1

LUXFER REPORTS STRONG SECOND QUARTER 2025 Solid Top-Line Growth and Profitability Fueled by Robust Demand within Defense and Aerospace Second Quarter 2025 Highlights* • GAAP Net Sales of $104.0 million, up 4.3% from $99.7 million; Adjusted Net Sales1

q225earningspressrelease LUXFER REPORTS STRONG SECOND QUARTER 2025 Solid Top-Line Growth and Profitability Fueled by Robust Demand within Defense and Aerospace Second Quarter 2025 Highlights* • GAAP Net Sales of $104.

July 29, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 29, 2025 Luxfer Holdings PLC (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 29, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 29, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 29, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specifi

July 29, 2025 EX-10.1

by and among Luxfer Holdings PLC and the parties named therein

DLA Piper UK LLP is part of DLA Piper, a global law firm, operating through various separate and distinct legal entities.

July 10, 2025 EX-99.1

Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, July 7, 2025 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announce

a250702-pressreleasexq22 Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, July 7, 2025 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors declared a quarterly dividend of 13 cents per ordinary share.

July 10, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 7, 2025 Luxfer Holdings PLC (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 7, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 3, 2025 EX-99.1

Luxfer Executes Key Strategic Initiative with Sale of Graphic Arts Business Divestiture Sharpens Focus on Core Gas Cylinders and Elektron Segments MILWAUKEE, WI, July 2, 2025 -- Business Wire -- Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Comp

Luxfer Executes Key Strategic Initiative with Sale of Graphic Arts Business Divestiture Sharpens Focus on Core Gas Cylinders and Elektron Segments MILWAUKEE, WI, July 2, 2025 - Business Wire - Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that it has completed the divesture of its Graphic Arts business to Vulcan Metals Specialty Products, Inc.

July 3, 2025 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

June 9, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2025 Luxfer Holdings PLC (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

May 29, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT LUXFER HOLDINGS PLC (Name of Registrant as Specified in Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT LUXFER HOLDINGS PLC (Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 1433 North Water Street, Suite 400, Milwaukee, WI, 53202 (Address and Zip Cod

April 29, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specif

April 29, 2025 EX-99.1

LUXFER FIRST QUARTER 2025 RESULTS Disciplined execution and robust Defense & Aerospace demand drive top line growth and improved profitability First Quarter 2025 Highlights* • GAAP Net Sales of $97.0 million, up 8.5% from $89.4 million; Adjusted Net

LUXFER FIRST QUARTER 2025 RESULTS Disciplined execution and robust Defense & Aerospace demand drive top line growth and improved profitability First Quarter 2025 Highlights* • GAAP Net Sales of $97.

April 29, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 29, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 25, 2025 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 (Amendment No. )

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

April 25, 2025 DEF 14A

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

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

April 17, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 16, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 17, 2025 EX-99.1

Luxfer Announces Date of First Quarter 2025 Earnings Conference Call MILWAUKEE, Wisconsin, April 16, 2025 – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineeri

Luxfer Announces Date of First Quarter 2025 Earnings Conference Call MILWAUKEE, Wisconsin, April 16, 2025 – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced the following details for its first quarter 2025 conference call.

April 14, 2025 PRE 14A

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

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

April 10, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 10, 2025 EX-99.1

Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, April 8, 2025 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announc

a250507-pressreleasexq12 Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, April 8, 2025 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors declared a quarterly dividend of 13 cents per ordinary share.

February 25, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL 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 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specified i

February 25, 2025 EX-21.1

List of Subsidiaries of the Company

BA Holdings, Inc., U.S. Biggleswick Limited, England and Wales GTM Technologies LLC, U.S. Lumina Trustee Limited, England and Wales Luxfer Australia PTY Limited, Australia Luxfer Canada Limited, Canada Luxfer Gas Cylinders (Shanghai) Co., Limited, People’s Republic of China Luxfer Gas Cylinders China Holdings Limited, England and Wales Luxfer Gas Cylinders Limited, England and Wales Luxfer Gas Cyl

February 25, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 25, 2025 EX-99.1

LUXFER REPORTS STRONG FOURTH QUARTER 2024 DRIVEN BY KEY END MARKETS SALES Provides Full Year 2025 Guidance Fourth Quarter 2024 Highlights* • GAAP Net Sales of $103.4 million, up 7.8% from $95.9 million; Adjusted Net Sales increased 9.3% to $96.0 mill

LUXFER REPORTS STRONG FOURTH QUARTER 2024 DRIVEN BY KEY END MARKETS SALES Provides Full Year 2025 Guidance Fourth Quarter 2024 Highlights* • GAAP Net Sales of $103.

February 18, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 12, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 18, 2025 EX-99.01

Luxfer Announces Date of Fourth Quarter 2024 Earnings Conference Call MILWAUKEE, Wisconsin, February 12, 2025 – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engin

q42024-pressreleasexearn Luxfer Announces Date of Fourth Quarter 2024 Earnings Conference Call MILWAUKEE, Wisconsin, February 12, 2025 – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced the following details for its fourth quarter 2024 conference call.

January 16, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 16, 2025 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

January 16, 2025 EX-99.1

Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, January 15, 2025 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today anno

Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, January 15, 2025 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors declared a quarterly dividend of 13 cents per ordinary share.

December 20, 2024 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): December 19, 2024 LUXFER HOLDINGS PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commiss

December 20, 2024 EX-99.01

LUXFER RELEASES 2024 SUSTAINABILITY REPORT MILWAUKEE, WI, December 20, 2024 -- Business Wire -- Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), today released its 2024 Sustainability Report, highlighting the Company’s continued progress

LUXFER RELEASES 2024 SUSTAINABILITY REPORT MILWAUKEE, WI, December 20, 2024 - Business Wire - Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), today released its 2024 Sustainability Report, highlighting the Company’s continued progress toward its environmental, social, and governance (ESG) objectives.

October 29, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 29, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Sp

October 29, 2024 EX-99.1

LUXFER REPORTS THIRD QUARTER 2024 RESULTS WITH ONGOING MARGIN IMPROVEMENT Raising 2024 guidance amid continuing strong efficiencies and enhanced profitability. Third Quarter 2024 Highlights o Raising 2024 Guidance (Excluding Legal Recovery): Adjusted

LUXFER REPORTS THIRD QUARTER 2024 RESULTS WITH ONGOING MARGIN IMPROVEMENT Raising 2024 guidance amid continuing strong efficiencies and enhanced profitability.

October 29, 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): October 29, 2024 LUXFER HOLDINGS PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commissi

July 30, 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): July 30, 2024 LUXFER HOLDINGS PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission

July 30, 2024 EX-99.1

LUXFER REPORTS SECOND QUARTER 2024 RESULTS WITH SEQUENTIAL MARGIN IMPROVEMENT Business remains on track to deliver 2024 expectations, raises 2024 guidance to reflect recovery of legal expenses. Second Quarter 2024 Highlights o Second-Quarter Sales: G

LUXFER REPORTS SECOND QUARTER 2024 RESULTS WITH SEQUENTIAL MARGIN IMPROVEMENT Business remains on track to deliver 2024 expectations, raises 2024 guidance to reflect recovery of legal expenses.

July 30, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 CALCULATION OF FILING FEE TABLES Form S-8 (Form Type) LUXFER HOLDINGS PLC (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 Fee Rate Amount of Registration Fee Equity Ordinary Shares, nominal value of £0.

July 30, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specifi

July 30, 2024 EX-3.1

Articles of Association of Luxfer Holdings PLC, initially filed with the SEC on December 2, 2011

Company Number 03690830 ARTICLES OF ASSOCIATION OF LUXFER HOLDINGS PLC (Adopted by Special Resolution passed on 8 June 2022 and effective as of 29 July 2022) INTERPRETATION 1.

July 30, 2024 S-8

As filed with the Securities and Exchange Commission on July 30, 2024

As filed with the Securities and Exchange Commission on July 30, 2024 Registration No.

June 11, 2024 EX-10.1

Luxfer Holdings PLC Non-Executive Directors Equity Incentive Plan, as amended and restated on June 6, 2024

LUXFER HOLDINGS PLC NON-EXECUTIVE DIRECTORS EQUITY INCENTIVE PLAN (Amended and Restated as of June 6, 2024) 1.

June 11, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, 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): June 6, 2024 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission F

June 6, 2024 SC 13G/A

LXFR / Luxfer Holdings PLC / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 8 )* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP Number) May 31, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedul

June 3, 2024 EX-1.01

Conflict Minerals Report of Luxfer Holdings PLC for the year ended December 31, 2024

LUXFER HOLDINGS PLC CONFLICT MINERALS REPORT FOR THE YEAR ENDED DECEMBER 31, 2023 I.

June 3, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT LUXFER HOLDINGS PLC (Name of Registrant as Specified in Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT LUXFER HOLDINGS PLC (Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 8989 North Port Washington Road, Suite 211 Milwaukee, WI 53217 (Address and Z

April 30, 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): April 30, 2024 LUXFER HOLDINGS PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission

April 30, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ☒ 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 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specif

April 30, 2024 EX-99.1

LUXFER REPORTS FIRST QUARTER 2024 RESULTS WITH IMPROVED PROFITABILITY Raises Adjusted EPS, Adjusted EBITDA and Free Cash Flow Guidance First Quarter 2024 Highlights o First-Quarter Sales: GAAP Net Sales of $89.4 million, met the expectations set fort

LUXFER REPORTS FIRST QUARTER 2024 RESULTS WITH IMPROVED PROFITABILITY Raises Adjusted EPS, Adjusted EBITDA and Free Cash Flow Guidance First Quarter 2024 Highlights o First-Quarter Sales: GAAP Net Sales of $89.

April 26, 2024 DEF 14A

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

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

April 26, 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 (Amendment No. )

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

April 16, 2024 PRE 14A

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

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

February 28, 2024 EX-99

Luxfer Announces Fourth Quarter and Full Year 2023 Financial Results and Provides Full Year 2024 Guidance • Fourth Quarter financial results were ahead of company expectations on demand uptick in Gas Cylinders and improved cost structure • Net cash p

q423earningspressrelease Luxfer Announces Fourth Quarter and Full Year 2023 Financial Results and Provides Full Year 2024 Guidance • Fourth Quarter financial results were ahead of company expectations on demand uptick in Gas Cylinders and improved cost structure • Net cash provided from continuing operations for the year was $26.

February 28, 2024 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 27, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K/A (Amendment No.

February 27, 2024 EX-99.1

Luxfer Announces Fourth Quarter and Full Year 2023 Financial Results and Provides Full Year 2024 Guidance • Fourth Quarter financial results were ahead of company expectations on demand uptick in Gas Cylinders and improved cost structure • Net cash p

Luxfer Announces Fourth Quarter and Full Year 2023 Financial Results and Provides Full Year 2024 Guidance • Fourth Quarter financial results were ahead of company expectations on demand uptick in Gas Cylinders and improved cost structure • Net cash provided from continuing operations for the year was $26.

February 27, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 27, 2024 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 27, 2024 EX-99.1

Insider Trading

Version 6.0 Effective Date: September 6, 2023 Owner: Luxfer Holdings PLC Legal Department Creation Date: November 6, 2012 LUXFER WHISTLEBLOWING POLICY UK, US, AUSTRALIA & CANADA Insider Trading and Dealing Policy 1 1.0 POLICY STATEMENT 1.1 General. This Insider Trading and Dealing Policy (this “Policy”) is intended to promote compliance with applicable securities laws by Luxfer Holdings PLC (toget

February 27, 2024 EX-99.2

Executive Compensation Clawback Polic

Version 1.0 Effective Date: November 15, 2023 Owner: Board of Directors of Luxfer Holdings PLC Creation Date: November 15, 2023 LUXFER WHISTLEBLOWING POLICY UK, US, AUSTRALIA & CANADA Executive Compensation Clawback Policy 1 1.0 POLICY STATEMENT 1.1 Purpose. Luxfer Holdings PLC, together with its subsidiaries and affiliates (“Luxfer” or the “Company”), has adopted this Executive Compensation Clawb

February 27, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL 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 10-K ☒ 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 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specified i

February 27, 2024 EX-21.1

List of Subsidiaries of the Company

BA Holdings, Inc., U.S. Biggleswick Limited, England and Wales GTM Technologies LLC, U.S. Lumina Trustee Limited, England and Wales Luxfer Australia PTY Limited, Australia Luxfer Canada Limited, Canada Luxfer Gas Cylinders (Shanghai) Co., Limited, People’s Republic of China Luxfer Gas Cylinders China Holdings Limited, England and Wales Luxfer Gas Cylinders Limited, England and Wales Luxfer Gas Cyl

February 14, 2024 SC 13G/A

LXFR / Luxfer Holdings PLC / Nantahala Capital Management, LLC - SC 13G/A Passive Investment

SC 13G/A 1 tm243309d10sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 7)* Luxfer Holdings PLC (Name of Issuer) Ordinary Shares, nominal value £0.50 each (Title of Class of Securities) G5698W116 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Che

February 12, 2024 SC 13G/A

LXFR / Luxfer Holdings PLC / KEMPEN CAPITAL MANAGEMENT N.V. - 13G FILING VLKIM - LUXFER FEB2024 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. [1])* Luxfer Holdings, Plc. (Name of Issuer) Common Shares (Title of Class of Securities) G5698W116 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

February 12, 2024 SC 13G/A

LXFR / Luxfer Holdings PLC / KEMPEN CAPITAL MANAGEMENT N.V. - 13G FILING VLKIM - LUXFER FEB2024-2 Passive Investment

SC 13G/A 1 SC13GA2VLKIMFEB2024-Luxfer.htm 13G FILING VLKIM - LUXFER FEB2024-2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. [2])* Luxfer Holdings, Plc. (Name of Issuer) Common Shares (Title of Class of Securities) G5698W116 (CUSIP Number) January 31, 2024 (Date of Event Which Requires Filing of this S

February 12, 2024 SC 13G/A

LXFR / Luxfer Holdings PLC / WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - SC 13G/A Passive Investment

SC 13G/A 1 tm245766d21sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 4)* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP

February 8, 2024 SC 13G/A

LXFR / Luxfer Holdings PLC / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 7 )* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

February 7, 2024 SC 13G/A

LXFR / Luxfer Holdings PLC / Paradice Investment Management LLC Passive Investment

SC 13G/A 1 paradice-lxfr123123a9.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 9)* Luxfer Holdings PLC (Name of Issuer) Ordinary Shares, nominal value £0.50 each (Title of Class of Securities) G5698W116 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check th

January 9, 2024 EX-99.1

Luxfer Declares Quarterly Dividend

Luxfer Declares Quarterly Dividend MILWAUKEE – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors declared a quarterly dividend of 13 cents per ordinary share.

January 9, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2024 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 25, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended October 1, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Speci

October 25, 2023 EX-99.1

Luxfer Announces Third Quarter 2023 Financial Results; Initiates Strategic Review Third Quarter 2023 Highlights (all historical comparisons year-over-year; results exclude discontinued operations) • Net sales of $97.4 million decreased $2.8 million o

pressreleaseq32023 Luxfer Announces Third Quarter 2023 Financial Results; Initiates Strategic Review Third Quarter 2023 Highlights (all historical comparisons year-over-year; results exclude discontinued operations) • Net sales of $97.

October 25, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 25, 2023 EX-99.1

Employment Agreements, filed with the SEC on October 25, 2023

EXECUTIVE SEVERANCE AND CHANGE IN CONTROL AGREEMENT This Executive Severance and Change in Control Agreement (this “Agreement”) is made and entered into as of [•] (the “Effective Date”) by and between Luxfer Holdings PLC, a public limited company incorporated in England and Wales (the “Company” or “Luxfer”), and [•] (the “Executive”).

October 11, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 11, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 11, 2023 EX-99.1

Luxfer Announces Date of Third Quarter 2023 Earnings Release

Luxfer Announces Date of Third Quarter 2023 Earnings Release MILWAUKEE, Wisconsin, October 11, 2023 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that it will release financial results for the third quarter of 2023 after market close on Wednesday, October 25, 2023.

October 11, 2023 EX-99.1

Luxfer Announces Preliminary Third Quarter Results

Luxfer Announces Preliminary Third Quarter Results MILWAUKEE, Wisconsin, October 11, 2023 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced preliminary results for its third quarter ended October 1, 2023.

October 11, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 11, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 2, 2023 Luxfer Holdings PLC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 2, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 3, 2023 EX-99.1

Luxfer Declares Quarterly Dividend

Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, October 2, 2023 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors has declared a quarterly dividend of 13 cents per ordinary share.

July 25, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 25, 2023 EX-99.1

Luxfer Announces Second Quarter 2023 Financial Results

Luxfer Announces Second Quarter 2023 Financial Results Second Quarter 2023 Highlights (all historical comparisons year-over-year; results exclude discontinued operations) •Net sales of $110.

July 25, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended July 2, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specifie

July 17, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 12, 2023 Luxfer Holdings PLC (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 12, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 17, 2023 EX-99.1

Luxfer Announces Date of Second Quarter 2023 Earnings Release

Luxfer Announces Date of Second Quarter 2023 Earnings Release MILWAUKEE, Wisconsin, July 12, 2023 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that it will release financial results for the second quarter of 2023 after market close on Tuesday, July 25, 2023.

July 3, 2023 EX-99.1

Luxfer Declares Quarterly Dividend

Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, June 29, 2023 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors has declared a quarterly dividend of 13 cents per ordinary share.

July 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 29, 2023 Luxfer Holdings PLC (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 29, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

June 13, 2023 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): June 7, 2023 Luxfer Holdings PLC (Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Nu

May 31, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT LUXFER HOLDINGS PLC (Name of Registrant as Specified in Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT LUXFER HOLDINGS PLC (Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 8989 North Port Washington Road, Suite 211 Milwaukee, WI 53217 (Address and Z

May 30, 2023 DEFA14A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ——————————————————————————————————————— SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ——————————————————————————————————————— ☒ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confide

May 24, 2023 DEFA14A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ——————————————————————————————————————— SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ——————————————————————————————————————— ☒ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confide

April 27, 2023 DEFA14A

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

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

April 27, 2023 DEF 14A

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

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

April 26, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 26, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended April 2, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specifi

April 26, 2023 EX-99.1

Luxfer Announces First Quarter 2023 Financial Results

Luxfer Announces First Quarter 2023 Financial Results First Quarter 2023 Highlights (all historical comparisons year-over-year; results exclude discontinued operations) •Net sales of $101.

April 17, 2023 PRE 14A

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

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

April 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 3, 2023 Luxfer Holdings PLC (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 3, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 4, 2023 EX-99.1

Luxfer Declares Quarterly Dividend

Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin, April 3, 2023 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors has declared a quarterly dividend of 13 cents per ordinary share.

March 1, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL 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 10-K ☒ 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 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specified i

March 1, 2023 EX-10.21

Employment Agreements, filed with the SEC on March 1, 2023

a230228-contractofemploy LUXFER HOLDINGS PLC Lumns Lane Manchester, M27 8LN United Kingdom CERTAIN INFORMATION, SUCH AS PERSONALLY IDENTIFIABLE INFORMATION, HAS BEEN REDACTED FROM THIS EXHIBIT BECAUSE SUCH INFORMATION IS IMMATERIAL AND CONFIDENTIAL.

March 1, 2023 EX-21.1

List of Subsidiaries of the Company

BA Holdings, Inc., U.S. Biggleswick Limited, England and Wales GTM Technologies LLC, U.S. Lumina Trustee Limited, England and Wales Luxfer Australia PTY Limited, Australia Luxfer Canada Limited, Canada Luxfer Gas Cylinders (Shanghai) Co., Limited, People’s Republic of China Luxfer Gas Cylinders China Holdings Limited, England and Wales Luxfer Gas Cylinders Limited, England and Wales Luxfer Gas Cyl

February 28, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 28, 2023 Luxfer Holdings P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 28, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 28, 2023 EX-99.1

Luxfer Announces Fourth Quarter and Full Year 2022 Financial Results

Luxfer Announces Fourth Quarter and Full Year 2022 Financial Results Fourth Quarter 2022 Highlights (all historical comparisons year-over-year; results exclude discontinued operations) •Net sales of $116.

February 14, 2023 SC 13G/A

LXFR / Luxfer Holdings PLC / Nantahala Capital Management, LLC - SC 13G/A Passive Investment

SC 13G/A 1 tm236168d12sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* Luxfer Holdings PLC (Name of Issuer) Ordinary Shares, nominal value £0.50 each (Title of Class of Securities) G5698W116 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Che

February 14, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 14, 2023 EX-99.1

Luxfer Announces Date of Fourth Quarter 2022 Earnings Release

Luxfer Announces Date of Fourth Quarter 2022 Earnings Release MILWAUKEE, Wisconsin, February 13, 2023 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in materials engineering, today announced that it will release financial results for the fourth quarter and full year of 2022 after market close on Tuesday, February 28, 2023.

February 13, 2023 SC 13G

LXFR / Luxfer Holdings PLC / KEMPEN CAPITAL MANAGEMENT N.V. - 13G FILING VLKIM - LUXFER HOLDINGS FEB2023 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. [])* Luxfer Holdings, Plc. (Name of Issuer) Common Shares (Title of Class of Securities) G5698W116 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

February 9, 2023 SC 13G/A

LXFR / Luxfer Holdings PLC / WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - SC 13G/A Passive Investment

SC 13G/A 1 tm235848d5sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 3)* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP

February 8, 2023 SC 13G/A

LXFR / Luxfer Holdings PLC / Paradice Investment Management LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 6, 2023 SC 13G/A

LXFR / Luxfer Holdings PLC / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6 )* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sc

October 25, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 25, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Sp

October 25, 2022 EX-99.1

Luxfer Announces Third Quarter 2022 Financial Results

Luxfer Announces Third Quarter 2022 Financial Results Third Quarter 2022 Highlights (all historical comparisons year-over-year; results exclude discontinued operations) ?Net sales of $100.

October 25, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 27, 2022 EX-99.1

Luxfer Announces Second Quarter 2022 Financial Results

Luxfer Announces Second Quarter 2022 Financial Results Second Quarter 2022 Highlights (all historical comparisons year-over-year; results exclude discontinued operations) ?Net sales of $109.

July 27, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 26, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specifi

July 27, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

June 30, 2022 EX-99.1

Luxfer Announces Appointment of Sylvia A. Stein to Board of Directors MILWAUKEE, Wisconsin, June 30, 2022 – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global industrial company innovating niche applications in m

Luxfer Announces Appointment of Sylvia A. Stein to Board of Directors MILWAUKEE, Wisconsin, June 30, 2022 ? (BUSINESS WIRE) ? Luxfer Holdings PLC (NYSE: LXFR) (?Luxfer? or the ?Company?), a global industrial company innovating niche applications in materials engineering, today announced the appointment of Sylvia A. Stein to the Company?s Board of Directors, effective August 1, 2022. Upon joining t

June 30, 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, DC 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 30, 2022 Luxfer Holdings PLC (Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

June 14, 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, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2022 Luxfer Holdings PLC (Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

June 8, 2022 EX-4.2

Luxfer Holdings PLC Long-Term Umbrella Incentive Plan, as amended and restated on June 8, 2022.

Luxfer Holdings PLC S-8 Exhibit 4.2 LUXFER HOLDINGS PLC lonG-TERM UMBRELLA INCENTIVE PLAN (Amended and Restated as of June 8, 2022) 1. Purpose of the Plan The purpose of the Plan is to attract and retain high-quality senior employees in an environment where compensation levels are based on global market practice, to align rewards of employees with returns to shareholders and to reward the achievem

June 8, 2022 EX-FILING FEES

Calculation of Filing Fee Tables

Luxfer Holdings PLC S-8 Exhibit 107 CALCULATION OF FILING FEE TABLES Form S-8 (Form Type) Luxfer Holdings PLC (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 Fee Rate Amount of Registration Fee Equity Ordinary Shares, nominal value of ?0.

June 8, 2022 EX-4.3

Luxfer Holdings PLC Non-Executive Directors Equity Incentive Plan, as amended and restated on June 8, 2022.

Luxfer Holdings PLC S-8 Exhibit 4.3 LUXFER HOLDINGS PLC NON-EXECUTIVE DIRECTORS EQUITY INCENTIVE PLAN (Amended and Restated as of June 8, 2022) 1. Purpose of the Plan The purpose of the Plan is to promote the interests of the Company and its shareholders, by allowing the Company to attract and retain highly qualified Non-Executive Directors by permitting them to obtain or increase their proprietar

June 8, 2022 S-8

As filed with the Securities and Exchange Commission on June 8, 2022

As filed with the Securities and Exchange Commission on June 8, 2022 Registration No.

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT LUXFER HOLDINGS PLC (Name of Registrant as Specified in Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT LUXFER HOLDINGS PLC (Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 8989 North Port Washington Road, Suite 211 Milwaukee, WI 53217 (Address and Z

May 31, 2022 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

May 11, 2022 EX-10.1

Offer Letter between Andrew Butcher and Luxfer Holdings PLC, dated May 6, 2022 (certain information in this Exhibit 10.1 has been redacted because it is immaterial, confidential, and would be competitively harmful if publicly disclosed)

Luxfer Holdings PLC Lumns Lane Manchester M27 8LN United Kingdom Mailing Address: 8989 North Port Washington Road Suite 211 Milwaukee, WI 53217 United States Telephone: +1 (414) 269-2419 Email: investor.

May 11, 2022 EX-10.3

Existing Employment Contract between Andrew Butcher and Luxfer, Inc., dated December 9, 2013

LUXFER INC. SERVICE AGREEMENT THIS AGREEMENT BETWEEN (1) {2) LUXFER, INC. (A Delaware Corporation) whose principal place of business is at 3016 Kansas Avenue Riverside CA 92507 [or B.A. Holdings, Inc. 'the Company"), and ANDREW BUTCHER of [ - ] MEANtNG OF WORDS U$ED "Board": the Board of Directors of Luxfer from time to time (inch,1ding any committee.of the Boa? duly appointe(l by it); "Group Comp

May 11, 2022 EX-10.3

Employment Agreements, filed with the SEC on May 6, 2022

LUXFER INC. SERVICE AGREEMENT THIS AGREEMENT BETWEEN (1) {2) LUXFER, INC. (A Delaware Corporation) whose principal place of business is at 3016 Kansas Avenue Riverside CA 92507 [or B.A. Holdings, Inc. 'the Company"), and ANDREW BUTCHER of [ - ] MEANtNG OF WORDS U$ED "Board": the Board of Directors of Luxfer from time to time (inch,1ding any committee.of the Boa? duly appointe(l by it); "Group Comp

May 11, 2022 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

May 11, 2022 EX-10.1

Employment Agreements, filed with the SEC on May 6, 2022

Luxfer Holdings PLC Lumns Lane Manchester M27 8LN United Kingdom Mailing Address: 8989 North Port Washington Road Suite 211 Milwaukee, WI 53217 United States Telephone: +1 (414) 269-2419 Email: investor.

May 11, 2022 EX-10.2

Termination Agreement between Andrew Butcher and Luxfer Holdings PLC, dated May 6, 2022

Luxfer Holdings PLC Lumns Lane Manchester M27 8LN United Kingdom Mailing Address: 8989 North Port Washington Road Suite 211 Milwaukee, WI 53217 United States Telephone: +1 (414) 269-2419 Email: investor.

May 11, 2022 EX-10.2

Employment Agreements, filed with the SEC on May 6, 2022

Luxfer Holdings PLC Lumns Lane Manchester M27 8LN United Kingdom Mailing Address: 8989 North Port Washington Road Suite 211 Milwaukee, WI 53217 United States Telephone: +1 (414) 269-2419 Email: investor.

May 11, 2022 8-K/A

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, DC 20549 FORM 8-K/A Amendment No.

April 27, 2022 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

April 27, 2022 DEF 14A

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

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

April 25, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 25, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 27, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specif

April 25, 2022 EX-99.1

Luxfer Announces First Quarter 2022 Financial Results

Luxfer Announces First Quarter 2022 Financial Results First Quarter 2022 Highlights (all historical comparisons year-over-year; results exclude discontinued operations) ?Net sales of $97.

April 14, 2022 PRE 14A

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

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

April 11, 2022 EX-99.1

Luxfer Announces Date of First Quarter 2022 Earnings Release

Luxfer Announces Date of First Quarter 2022 Earnings Release MILWAUKEE, WI, April 11, 2022 - Business Wire - Luxfer Holdings PLC (NYSE: LXFR) (?Luxfer? or the ?Company?), a global industrial company innovating niche applications in materials engineering, will release financial results for the first quarter of 2022 after the market closes on Monday, April 25, 2022.

April 11, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 11, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 23, 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, DC 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, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 23, 2022 EX-99.1

Luxfer Announces CEO Transition

Luxfer Announces CEO Transition MILWAUKEE, WI - March 23, 2022 - Luxfer Holdings PLC [NYSE: LXFR] (?Luxfer? or the ?Company?), a global industrial company innovating niche applications in materials engineering, today announced that Andrew ?Andy? Butcher has been named as Chief Executive Officer and a member of Luxfer?s Board of Directors, effective May 6, 2022.

March 10, 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, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 10, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 10, 2022 SC 13G/A

LXFR / Luxfer Holdings PLC / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5 )* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP Number) February 28, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sc

March 10, 2022 EX-99.1

Luxfer Declares Increased Quarterly Dividend and Appoints New Board Chair

Luxfer Declares Increased Quarterly Dividend and Appoints New Board Chair MILWAUKEE, Wisconsin ? (BUSINESS WIRE) ? Luxfer Holdings PLC (NYSE: LXFR) (?Luxfer? or the ?Company?), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors has declared a quarterly cash dividend of 13 cents per ordinary share, a 4% increase compared to the prior quarterly dividend of 12.

February 24, 2022 EX-21.1

List of Subsidiaries of the Company

BA Holdings, Inc., U.S. Biggleswick Limited, England and Wales GTM Technologies LLC, U.S. Lumina Trustee Limited, England and Wales Luxfer Australia PTY Limited, Australia Luxfer Canada Limited, Canada Luxfer Gas Cylinders (Shanghai) Co., Limited, People?s Republic of China Luxfer Gas Cylinders China Holdings Limited, England and Wales Luxfer Gas Cylinders Limited, England and Wales Luxfer Gas Cyl

February 24, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL 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 10-K ? 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 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specified i

February 24, 2022 EX-10.6

Second Amendment to Amended and Restated Note Purchase Agreement and Private Shelf Agreement dated as of October 26, 2021 by and among Luxfer Holdings PLC and the parties named therein, initially filed with the SEC on February 24, 2022

EXECUTION VERSION DB3/ 203995353.15 BA HOLDINGS, INC. SERIES B NOTES DUE JUNE 29, 2023 SERIES C NOTES DUE JUNE 29, 2026 and US$50,000,000 PRIVATE SHELF FACILITY SECOND AMENDED AND RESTATED NOTE PURCHASE AND PRIVATE SHELF AGREEMENT Dated October 26, 2021 TABLE OF CONTENTS Page i DB3/ 203995353.15 1. BACKGROUND; SECOND AMENDMENT AND RESTATEMENT; AUTHORIZATION OF NOTES; GUARANTEES. ..................

February 24, 2022 EX-10.7

Senior Facilities Agreement dated as of October 26, 2021 by and among Luxfer Holdings PLC and the parties named therein, initially filed with the SEC on February 24, 2022

BEJ=H II-?@-4/033,.52.1 96I:9 -+-, (/) AJM;:G =DA9>C<>C6A 7DGGDL:GH Qc TUVY^UT Y^ dXYc 6WbUU]U^d %.& I=: DG><>C6A 76H ADC9DC 7G6C8=' 8>I>76C@' C)6' ADC9DC 7G6C8=' 8AN9:H96A: 76C@ EA8 I*6 NDG@H=>G: 76C@' ;>;I= I=>G9 76C@' C6I>DC6A 6HHD8>6I>DC 6C9 C6I>DC6A L:HIB>CHI:G 76C@ EA8 Qc 6bbQ^WUb %0& I=: DG><>C6A A:C9:GH Qc TUVY^UT Y^ dXYc 6WbUU]U^d ( Q^T ( %1& C6I>DC6A L:HIB>CHI:G 76C@ EA8 Qc 6WU^d BJAI>8J

February 22, 2022 EX-99.1

Luxfer Holdings PLC Announces Fourth Quarter and Full Year 2021 Financial Results

Luxfer Holdings PLC Announces Fourth Quarter and Full Year 2021 Financial Results Fourth Quarter 2021 Summary ?Net sales of $98.

February 22, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 21, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 14, 2022 SC 13G/A

LXFR / Luxfer Holdings PLC / Nantahala Capital Management, LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* Luxfer Holdings PLC (Name of Issuer) Ordinary Shares, nominal value ?0.50 each (Title of Class of Securities) G5698W116 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the ru

February 11, 2022 SC 13G

LXFR / Luxfer Holdings PLC / KEMPEN CAPITAL MANAGEMENT N.V. - 13G_KCM_LUXFER_FEB2022 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. [])* Luxfer Holdings, Plc. (Name of Issuer) Common Shares (Title of Class of Securities) G5698W116 (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

February 10, 2022 SC 13G/A

LXFR / Luxfer Holdings PLC / Paradice Investment Management LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 10, 2022 SC 13G/A

LXFR / Luxfer Holdings PLC / WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO ? 240.13d-2 (Amendment No. 2)* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP Number) December 31, 2021 (Date of Event

February 4, 2022 SC 13G/A

LXFR / Luxfer Holdings PLC / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4 )* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (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 Sc

January 24, 2022 EX-99.1

Luxfer Announces CFO Transition and Date of Fourth Quarter Earnings Release

Luxfer Announces CFO Transition and Date of Fourth Quarter Earnings Release MILWAUKEE, WI?- Luxfer Holdings PLC [NYSE: LXFR] (?Luxfer? or the ?Company?), a global industrial company innovating niche applications in materials engineering, today announced that Heather Harding, Chief Financial Officer, has elected to retire.

January 24, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 24, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

January 4, 2022 EX-99.1

Luxfer Declares Quarterly Dividend

Luxfer Declares Quarterly Dividend MILWAUKEE, Wisconsin ? (BUSINESS WIRE) ? Luxfer Holdings PLC (NYSE: LXFR) (?Luxfer? or the ?Company?), a global industrial company innovating niche applications in materials engineering, today announced that its Board of Directors has declared an interim dividend of 12.

January 4, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 4, 2022 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

December 16, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

December 16, 2021 EX-99.1

Luxfer Announces Actions to Reduce Legacy Pension Plan Liabilities

Luxfer Announces Actions to Reduce Legacy Pension Plan Liabilities MILWAUKEE, WISCONSIN - Luxfer Holdings PLC (NYSE: LXFR), (?Luxfer? or the ?Company?), a global industrial company innovating niche applications in materials engineering, today announced that it is taking multiple actions related to its U.

December 14, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 14, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

December 8, 2021 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, DC 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 8, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

November 8, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

November 8, 2021 EX-99.1

CUSTOMER FIRST • INTEGRITY • ACCOUNTABILITY • INNOVATION • PERSONAL DEVELOPMENT • TEAMWORK 1 INVESTOR PRESENTATION November 9, 2021 CUSTOMER FIRST • INTEGRITY • ACCOUNTABILITY • INNOVATION • PERSONAL DEVELOPMENT • TEAMWORK 2 This presentation contain

CUSTOMER FIRST ? INTEGRITY ? ACCOUNTABILITY ? INNOVATION ? PERSONAL DEVELOPMENT ? TEAMWORK 1 INVESTOR PRESENTATION November 9, 2021 CUSTOMER FIRST ? INTEGRITY ? ACCOUNTABILITY ? INNOVATION ? PERSONAL DEVELOPMENT ? TEAMWORK 2 This presentation contains forward-looking statements.

October 25, 2021 10-Q

# UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 26, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as

October 25, 2021 EX-99.1

Luxfer Holdings PLC Announces Third Quarter 2021 Financial Results

Luxfer Holdings PLC Announces Third Quarter 2021 Financial Results Third Quarter 2021 Summary (all comparisons year-over-year unless otherwise noted; results exclude aluminum products discontinued operations) ?Net sales of $91.

October 25, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 5, 2021 EX-99.1

Luxfer Declares Quarterly Dividend and Announces Date of Third Quarter Earnings Release

Luxfer Declares Quarterly Dividend and Announces Date of Third Quarter Earnings Release MANCHESTER, England ? (BUSINESS WIRE) ? Luxfer Holdings PLC (NYSE: LXFR) (?Luxfer? or the ?Company?), a global manufacturer of highly-engineered industrial materials, today announced that its Board of Directors has declared an interim dividend of 12.

October 5, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

September 13, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

August 3, 2021 EX-99.1

Luxfer Announces Board Changes: Retirement of David Landless and Appointment of Patrick Mullen

Luxfer Announces Board Changes: Retirement of David Landless and Appointment of Patrick Mullen MANCHESTER, England-(BUSINESS WIRE) ? Luxfer Holdings PLC (NYSE: LXFR), (?Luxfer? or the ?Company?), a global manufacturer of highly-engineered industrial materials, announced today that David Landless will not be seeking re-election at the Company?s 2022 Annual General Meeting in accordance with the Company?s Corporate Governance Guidelines, which advises retirement for Directors after nine years? service.

August 3, 2021 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, DC 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 3, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 26, 2021 EX-99.1

Luxfer Holdings PLC Announces Second Quarter 2021 Financial Results

EX-99.1 2 q221pressrelease.htm EX-99.1 Luxfer Holdings PLC Announces Second Quarter 2021 Financial Results Second Quarter 2021 Summary (all comparisons year-over-year unless otherwise noted; results exclude aluminum products discontinued operations) •Net sales of $99.0 million increased 29.2%, including a 5.9% benefit from foreign currency •GAAP net income of $11.9 million, including $0.9 million

July 26, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 26, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY 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 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 27, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specifi

June 10, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

May 25, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Luxfer Holdings PLC (Exact name of registrant as specified in its charter) England and Wales 001-35370 98-1024030 (State or other jurisdicti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Luxfer Holdings PLC (Exact name of registrant as specified in its charter) England and Wales 001-35370 98-1024030 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) Lumns Lane, Manchester, England, M27 8LN (Address of principal exec

April 27, 2021 DEF 14A

- DEFINITIVE PROXY STATEMENT

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 14a6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Pursuant to ?240.

April 27, 2021 DEFA14A

- ADDITIONAL PROXY MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 14a6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Pursuant to ?240.

April 26, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 26, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 28, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specif

April 26, 2021 EX-99.1

Luxfer Holdings PLC Announces First Quarter 2021 Financial Results

Luxfer Holdings PLC Announces First Quarter 2021 Financial Results First Quarter 2021 Summary (all comparisons year-over-year unless otherwise noted; results exclude aluminum products discontinued operations) ?Net sales of $85.

April 6, 2021 EX-99.1

Luxfer Declares Quarterly Dividend Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on February 4, 2021 to shareholders of record at the close of business on January 15, 2021.

Luxfer Declares Quarterly Dividend Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on February 4, 2021 to shareholders of record at the close of business on January 15, 2021. MANCHESTER, England ? (BUSINESS WIRE) ? Luxfer Holdings PLC (NYSE: LXFR) (?Luxfer? or the ?Company?), a global manufacturer of highly-engineered industrial materials, today announced that its Board

April 6, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 4, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 25, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 15, 2021 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 15, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 15, 2021 EX-99.1

Luxfer Announces the Strategic Acquisition of Structural Composites Industries (SCI)

Luxfer Announces the Strategic Acquisition of Structural Composites Industries (SCI) •Broadens product portfolio in alternative fuels and aerospace •Significant cost synergies and provides growth capacity for CNG and Hydrogen •Expected to be accretive to Adjusted EPS in 2022; dilutive in 2021 MANCHESTER, UK (BUSINESS WIRE) – March 15, 2021 — Luxfer Holdings PLC (NYSE: LXFR), a global manufacturer of highly-engineered materials, today announced it has acquired the Structural Composites Industries (“SCI”) business of Worthington Industries, Inc.

March 2, 2021 EX-21.1

List of Subsidiaries of the Company

BA Holdings, Inc., U.S. Biggleswick Limited, England and Wales GTM Technologies LLC, U.S. Lumina Trustee Limited, England and Wales Luxfer Australia PTY Limited, Australia Luxfer Canada Limited, Canada Luxfer Gas Cylinders (Shanghai) Co., Limited, People?s Republic of China Luxfer Gas Cylinders China Holdings Limited, England and Wales Luxfer Gas Cylinders Limited, England and Wales Luxfer Gas Cyl

March 2, 2021 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL 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 10-K ☒ 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 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specified i

February 23, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 23, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 23, 2021 EX-99.1

Luxfer Holdings PLC Announces Fourth Quarter and Full Year 2020 Financial Results; Announces Strategic Decision to Divest Most Aluminum Product Lines, Including Superform

Luxfer Holdings PLC Announces Fourth Quarter and Full Year 2020 Financial Results; Announces Strategic Decision to Divest Most Aluminum Product Lines, Including Superform Fourth Quarter 2020 Summary (all comparisons year-over-year unless otherwise noted; results exclude aluminum products discontinued operations) ?Net sales of $82.

February 16, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 6)* Luxfer Holdings PLC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 16, 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. 4)* Luxfer Holdings PLC (Name of Issuer) £0.50 Ordinary Shares (Title of Class of Securities) (CUSIP Number)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Luxfer Holdings PLC (Name of Issuer) £0.50 Ordinary Shares (Title of Class of Securities) G5698W116 (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

February 12, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. [___])*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. [])* Luxfer Holdings, Plc. (Name of Issuer) Common Shares (Title of Class of Securities) G5698W116 (CUSIP Number) October 1, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

February 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendme

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 1)* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP Number) 12/31/2020 (Date of Event Which R

February 8, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 8, 2021 EX-99.1

Luxfer to Report 2020 Fourth Quarter and Year-end Financial Results on February 23rd and Host Conference Call on February 24th

Luxfer to Report 2020 Fourth Quarter and Year-end Financial Results on February 23rd and Host Conference Call on February 24th MANCHESTER, England-(BUSINESS WIRE)-Luxfer Holdings PLC (NYSE: LXFR), a global manufacturer of highly-engineered materials, announced today that it will release financial results for the fourth quarter and year ended December 31, 2020, after the market closes on Tuesday, February 23rd 2020.

February 3, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (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 Sc

January 4, 2021 8-K

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 4, 2021 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

January 4, 2021 EX-99.1

Luxfer Declares Quarterly Dividend Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on February 4, 2021 to shareholders of record at the close of business on January 15, 2021.

Luxfer Declares Quarterly Dividend Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on February 4, 2021 to shareholders of record at the close of business on January 15, 2021. MANCHESTER, England – (BUSINESS WIRE) – Luxfer Holdings PLC (NYSE: LXFR) (“Luxfer” or the “Company”), a global manufacturer of highly-engineered industrial materials, today announced that its Board

October 26, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 26, 2020 EX-99.1

Luxfer Holdings PLC Announces 2020 Third Quarter Financial Results

Luxfer Holdings PLC Announces 2020 Third Quarter Financial Results Third Quarter 2020 Summary (based on year-over-year comparisons unless otherwise noted) •Net sales of $90.

October 26, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 27, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Sp

October 6, 2020 EX-99

Luxfer Declares Quarterly Dividend and Announces Date of Third Quarter Earnings Release Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on November 4, 2020, to shareholders of record at the close of business on October 16,

Luxfer Declares Quarterly Dividend and Announces Date of Third Quarter Earnings Release Quarterly interim dividend of 12.

October 6, 2020 8-K

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 27, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 27, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 27, 2020 EX-99.1

Luxfer Holdings PLC Announces 2020 Second Quarter Financial Results with COVID-19 Update

Luxfer Holdings PLC Announces 2020 Second Quarter Financial Results with COVID-19 Update Second Quarter 2020 Summary (based on year-over-year comparisons unless otherwise noted) •Net sales of $89.

July 27, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 28, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specifi

July 6, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 6, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 6, 2020 EX-99.1

Luxfer Declares Quarterly Dividend and Announces Date of Second Quarter Earnings Release Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on August 5, 2020, to shareholders of record at close of business on July 17, 2020. Lu

Luxfer Declares Quarterly Dividend and Announces Date of Second Quarter Earnings Release Quarterly interim dividend of 12.

June 5, 2020 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

May 28, 2020 SD

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Luxfer Holdings PLC (Exact name of registrant as specified in its charter) England and Wales 001-35370 98-1024030 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) Lumns Lane, Manchester, England, M27 8LN (Address of principal exec

April 27, 2020 EX-99.1

Luxfer Holdings PLC Announces 2020 First Quarter Financial Results; Provides COVID-19 Update and Withdraws 2020 Financial Guidance

Luxfer Holdings PLC Announces 2020 First Quarter Financial Results; Provides COVID-19 Update and Withdraws 2020 Financial Guidance First Quarter 2020 Summary (based on year-over-year comparisons unless otherwise noted) • Net sales of $103.

April 27, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 27, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 29, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specif

April 24, 2020 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of The Securities Exchange Act of 1934 Filed by the Registrant x 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 14a6(e)(2)) ¨ Definitive Proxy Statement x Definitive Additional Materials ¨ Soliciting Material Pursuant to § 240.

April 24, 2020 DEF 14A

- DEF 14A

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 14a6(e)(2)) ☒ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to §240.

April 9, 2020 PRE 14A

LXFR / Luxfer Holdings PLC PRE 14A - - PRE 14A

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 þ Filed by a Party other than the Registrant o Check the appropriate box: þ Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Ru

April 7, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

April 7, 2020 EX-99.1

Luxfer Declares Quarterly Dividend Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on May 6, 2020 to shareholders of record at the close of business on April 17, 2020.

Luxfer Declares Quarterly Dividend Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on May 6, 2020 to shareholders of record at the close of business on April 17, 2020. MANCHESTER, England-(BUSINESS WIRE)-Luxfer Holdings PLC (NYSE:LXFR) (the “Company”), a global manufacturer of highly-engineered industrial materials, today announced that its Board of Directors declared an

March 10, 2020 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ 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 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specified i

March 10, 2020 EX-3.1

Articles of Association of the Registrant, initially filed with the SEC on December 2, 2011 and as amended on May 22, 2018 and as amended on May 15, 2019

LO\SOUTETA\1730392.1 LO\SOUTETA\1730392.1 Company Number: 03690830 ARTICLES OF ASSOCIATION OF LUXFER HOLDINGS PLC (Adopted by Special Resolution passed on 15 May 2019) INTERPRETATION 1. EXCLUSION OF OTHER REGULATIONS OR ARTICLES No regulations or articles set out in any statute, or in any statutory instrument or other subordinate legislation made under any statute, concerning companies shall apply

March 10, 2020 EX-10.9

The Luxfer Share Incentive Plan, initially filed with the SEC on March 11, 2019, amended May 15, 2019

exhibit109 PLAN RULES AND TRUST DEED AS AMENDED AND RESTATED PURSUANT TO A DEED DATED 15 MAY 2019 THE LUXFER SHARE INCENTIVE PLAN The Plan has been:- (a) established by resolution of the directors of Luxfer Holdings PLC (the "Company") passed on 26 September 2013; (b) approved by H M Revenue & Customs pursuant to Schedule 2 ITEPA on 29 October 2013 under reference A 110826; and (c) amended by deed pursuant to resolutions of the directors and of shareholders of the Company on 15 May 2019.

March 10, 2020 EX-10.7

LUXFER HOLDINGS PLC LONG-TERM UMBRELLA INCENTIVE PLAN 1. Purpose of the Plan The purpose of the Plan is to attract and retain high-quality senior employees in an environment where compensation levels are based on global market practice, to align rewa

luxferuipupdatedmarch201 LUXFER HOLDINGS PLC LONG-TERM UMBRELLA INCENTIVE PLAN 1. Purpose of the Plan The purpose of the Plan is to attract and retain high-quality senior employees in an environment where compensation levels are based on global market practice, to align rewards of employees with returns to shareholders and to reward the achievement of business targets and key strategic objectives.

March 10, 2020 EX-21.1

List of Subsidiaries of the Company

BA Holdings, Inc., U.S. Biggleswick Limited, England and Wales GTM Technologies LLC, U.S. Lumina Trustee Limited, England and Wales Luxfer Australia PTY Limited, Australia Luxfer Canada Limited, Canada Luxfer Gas Cylinders (Shanghai) Co., Limited, People’s Republic of China Luxfer Gas Cylinders China Holdings Limited, England and Wales Luxfer Gas Cylinders Limited, England and Wales Luxfer Gas Cyl

March 5, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 4, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 5, 2020 EX-99.1

Luxfer Holdings PLC Announces 2019 Fourth Quarter and Full-Year Financial Results

Luxfer Holdings PLC Announces 2019 Fourth Quarter and Full-Year Financial Results Fourth Quarter 2019 Summary (based on year-over-year comparisons unless otherwise noted) • Net sales of $99.

February 19, 2020 EX-99.1

Luxfer to Report 2019 Fourth Quarter and Year-end Financial Results on March 4 and Host Conference Call on March 5

Exhibit 99.1 Luxfer to Report 2019 Fourth Quarter and Year-end Financial Results on March 4 and Host Conference Call on March 5 MANCHESTER, England-(BUSINESS WIRE)-Luxfer Holdings PLC (NYSE: LXFR), a global manufacturer of highly-engineered industrial materials, announced today that it will release financial results for the fourth quarter and year ended December 31, 2019, after the market closes o

February 19, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 19, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

February 14, 2020 SC 13G/A

LXFR / Luxfer Holdings PLC / Nantahala Capital Management, LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Luxfer Holdings PLC (Name of Issuer) £0.50 Ordinary Shares (Title of Class of Securities) G5698W116 (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

February 10, 2020 SC 13G

LXFR / Luxfer Holdings PLC / WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. )* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (CUSIP Number) 12/31/2019 (Date of Event Which Re

February 7, 2020 SC 13G/A

LXFR / Luxfer Holdings PLC / Paradice Investment Management LLC - SCHEDULE 13G HOLDINGS REPORT AMENDMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

January 28, 2020 SC 13G/A

LXFR / Luxfer Holdings PLC / Wellington Management Group LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Luxfer Holdings PLC (Name of Issuer) Common Stock (Title of Class of Securities) G5698W116 (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 Sc

January 6, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 6, 2020 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

January 6, 2020 EX-99.1

Luxfer Declares Quarterly Dividend Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on February 5, 2020 to shareholders of record at the close of business on January 17, 2020

Luxfer Declares Quarterly Dividend Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on February 5, 2020 to shareholders of record at the close of business on January 17, 2020 MANCHESTER, England-(BUSINESS WIRE)-Luxfer Holdings PLC (NYSE:LXFR) (the “Company”), a global manufacturer of highly-engineered industrial materials, today announced that its Board of Directors decla

October 30, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 30, 2019 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 30, 2019 EX-99.1

Luxfer Holdings PLC Announces 2019 Third Quarter Financial Results

Luxfer Holdings PLC Announces 2019 Third Quarter Financial Results Third Quarter 2019 Summary (based on year-over-year comparisons unless otherwise noted) • Net sales of $107.

October 30, 2019 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 29, 2019 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Sp

October 3, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 3, 2019 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

October 3, 2019 EX-99.1

Luxfer Declares Quarterly Dividend and Announces Date of Third-Quarter Earnings Release Quarterly interim dividend of 12.5 cents per ordinary share, to be payable on November 6, 2019 to shareholders of record at close of business on October 18, 2019

Luxfer Declares Quarterly Dividend and Announces Date of Third-Quarter Earnings Release Quarterly interim dividend of 12.

September 10, 2019 10-Q/A

LXFR / Luxfer Holdings PLC 10-Q/A - Quarterly Report - 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q/A x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2019 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Speci

August 8, 2019 SC 13G/A

LXFR / Luxfer Holdings PLC / Paradice Investment Management LLC - SCHEDULE 13G HOLDINGS REPORT AMENDMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

July 31, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 31, 2019 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 31, 2019 EX-99.1

Luxfer Announces Appointment of Lisa Trimberger to Board of Directors

Luxfer Announces Appointment of Lisa Trimberger to Board of Directors MANCHESTER, England-(July 31, 2019) - Luxfer Holdings PLC (NYSE: LXFR), a global manufacturer of highly-engineered industrial materials, today announced the appointment of Lisa Trimberger to the Luxfer Board as a Non-Executive Director, effective September 1, 2019.

July 31, 2019 EX-99.1

Luxfer Holdings Announces Second Quarter 2019 Financial Results

Luxfer Holdings Announces Second Quarter 2019 Financial Results Second Quarter Highlights • Net sales declined 9.

July 31, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 31, 2019 Luxfer Holdings PLC (Exact Name of Registrant as Specified in Charter) England and Wales 001-35370 98-1024030 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 31, 2019 10-Q

LXFR / Luxfer Holdings PLC 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2019 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35370 Luxfer Holdings PLC (Exact Name of Registrant as Specifi

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