AXCELIS TECHNOLOGIES INC (ACLS) Form 8-K Material Events
AXCELIS TECHNOLOGIES INC (ACLS) is a publicly traded company on the Nasdaq, categorized under SIC 3559 (Special Industry Machinery, NEC). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: ACLS
CIK: 1113232
Exchange: Nasdaq
SIC 3559: Special Industry Machinery, NEC
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
Ernst & Young LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerMatthew MacDonald
Audit LocationBoston, Massachusetts, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-09-16 | 2026-09-15 | 4 Filing | 0001940017-26-000010 | View SEC Doc Filr Page |
| 4 | 2026-09-16 | 2026-09-15 | 4 Filing | 0001990732-26-000010 | View SEC Doc Filr Page |
| 10-Q | 2026-08-06 | 2026-06-30 | 10-Q | 0001104659-26-091999 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-06 | — | SCHEDULE 13G/A Filing | 0000315066-26-001947 | View SEC Doc Filr Page |
| 8-K | 2026-08-06 | 2026-08-06 | FORM 8-K | 0001104659-26-091697 | View SEC Doc Filr Page |
| 4 | 2026-07-17 | 2026-07-15 | 4 Filing | 0002123863-26-000008 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-07-14 | — | SCHEDULE 13G/A Filing | 0001080298-26-000009 | View SEC Doc Filr Page |
| 4 | 2026-06-17 | 2026-06-16 | 4 Filing | 0002123863-26-000006 | View SEC Doc Filr Page |
| 4 | 2026-06-16 | 2026-06-15 | 4 Filing | 0001979418-26-000010 | View SEC Doc Filr Page |
| 4 | 2026-06-04 | 2026-06-03 | 4 Filing | 0001338515-26-000004 | View SEC Doc Filr Page |
| 4 | 2026-06-03 | 2026-06-02 | 4 Filing | 0002101601-26-000012 | View SEC Doc Filr Page |
| 144 | 2026-06-03 | — | 144 Filing | 0001950047-26-005547 | View SEC Doc Filr Page |
| 144 | 2026-06-02 | — | 144 Filing | 0001950047-26-005474 | View SEC Doc Filr Page |
| 4 | 2026-05-28 | 2026-05-27 | 4 Filing | 0002124265-26-000010 | View SEC Doc Filr Page |
| 144 | 2026-05-27 | — | 144 Filing | 0001950047-26-005142 | View SEC Doc Filr Page |
| SD | 2026-05-27 | — | FORM SD | 0001104659-26-066895 | View SEC Doc Filr Page |
| 4 | 2026-05-26 | 2026-05-22 | 4 Filing | 0001339595-26-000008 | View SEC Doc Filr Page |
| 4 | 2026-05-22 | 2026-05-22 | 4 Filing | 0001715912-26-000005 | View SEC Doc Filr Page |
| 4 | 2026-05-22 | 2026-05-21 | 4 Filing | 0001979418-26-000008 | View SEC Doc Filr Page |
| 144 | 2026-05-22 | — | 144 Filing | 0001950047-26-004965 | View SEC Doc Filr Page |
| 144 | 2026-05-22 | — | 144 Filing | 0001950047-26-004961 | View SEC Doc Filr Page |
| 4 | 2026-05-21 | 2026-05-20 | 4 Filing | 0001990732-26-000008 | View SEC Doc Filr Page |
| 144 | 2026-05-21 | — | 144 Filing | 0001950047-26-004924 | View SEC Doc Filr Page |
| 4 | 2026-05-20 | 2026-05-19 | 4 Filing | 0001208109-26-000004 | View SEC Doc Filr Page |
| 4 | 2026-05-20 | 2026-05-19 | 4 Filing | 0001184588-26-000004 | View SEC Doc Filr Page |