Other Information.
−Removed: During the quarter ended March 31, 2026 , no director or officer adopted, modified or terminated any contract, instrument or written plan for the purchase or sale of Axcelis securities intended to satisfy the affirmative defense conditions of Rule 10 b5-1(c) under the Exchange Act or any non-Rule 10 b5-1 trading arrangement as defined in Item 408(c) of Regulation S-K.
+Added: On June 15, 2026 , Robert J.
+Added: Mahoney , our Executive Vice President , Global Operations, adopted a 10b5-1 Preset Diversification Program.
+Added: The Preset Diversification Program will terminate December 31, 2026 and provides for the sale of up to 1,832 shares of Axcelis stock.
+Added: No other director or officer adopted, modified or terminated any contract, instrument or written plan for the purchase or sale of Axcelis securities intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act or any non-Rule 10b5-1 trading arrangement as defined in Item 408(c) of Regulation S-K for the quarter ended June 30, 2026.
The following exhibits are filed herewith:
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Bylaws of the Company, as amended as of May 11, 2022.
−Removed: Incorporated by reference to Exhibit 3.2 of the Company’s Form 8-K filed with the Commision on May 11, 2022.
−Removed: Certification of the Principal Executive Officer under Exchange Act Rule 13a-14(a)/15d-14(a) (Section 302 of the Sarbanes-Oxley Act), dated May 8, 2026.
−Removed: Certification of the Principal Financial Officer under Exchange Act Rule 13a-14(a)/15d-14(a) (Section 302 of the Sarbanes-Oxley Act), dated May 8, 2026.
−Removed: Certification of the Principal Executive Officer pursuant to Section 1350 of Chapter 63 of title 18 of the United States Code (Section 906 of the Sarbanes-Oxley Act), dated May 8, 2026.
−Removed: Certification of the Principal Financial Officer pursuant to Section 1350 of Chapter 63 of title 18 of the United States Code (Section 906 of the Sarbanes-Oxley Act), dated May 8, 2026.
−Removed: The following materials from the Company’s Form 10-Q for the quarter ended March 31, 2026, formatted in inline eXtensible Business Reporting Language (iXBRL):
+Added: Incorporated by reference to Exhibit 3.2 of the Company’s Form 8-K filed with the Commission on May 11, 2022.
+Added: Certification of the Principal Executive Officer under Exchange Act Rule 13a-14(a)/15d-14(a) (Section 302 of the Sarbanes-Oxley Act), dated August 6 , 2026.
+Added: Certification of the Principal Financial Officer under Exchange Act Rule 13a-14(a)/15d-14(a) (Section 302 of the Sarbanes-Oxley Act), dated August 6 , 2026.
+Added: Certification of the Principal Executive Officer pursuant to Section 1350 of Chapter 63 of title 18 of the United States Code (Section 906 of the Sarbanes-Oxley Act), dated August 6 , 2026.
+Added: Certification of the Principal Financial Officer pursuant to Section 1350 of Chapter 63 of title 18 of the United States Code (Section 906 of the Sarbanes-Oxley Act), dated August 6 , 2026.
+Added: The following materials from the Company’s Form 10-Q for the quarter ended June 30, 2026, formatted in inline eXtensible Business Reporting Language (iXBRL):
(i) Consolidated Statements of Operations, (ii) Consolidated Statements of Comprehensive Income, (iii) Consolidated Balance Sheets, (iv) Consolidated Statements of Cash Flows and (v) Notes to Consolidated Financial Statements (Unaudited).
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AXCELIS TECHNOLOGIES, INC.
+Added: August 6, 2026
/s/ DAVID RYZHIK
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Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.