# Axcelis Technologies Inc: filings

ACLS · Nasdaq · CIK 1113232 · [Industrials](/sectors/industrials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/acls.md) · [Financials](/companies/acls/financials.md) · [Filings](/companies/acls/filings.md) · [Insiders](/companies/acls/insiders.md)

## Reports and events: 237 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 665, 8-K 139, SC 13G/A 70, 144 64, 10-Q 53, 4/A 29, 3 25, SC 13G 20, 10-K 18, DEF 14A 18, SD 13, ARS 11, UPLOAD 10, S-8 9, CORRESP 8, DEFA14A 7, SCHEDULE 13G/A 7, 425 5, SCHEDULE 13G 5, EFFECT 4, PRE 14A 4, SC 13D/A 4, 10-K/A 3, S-3 2, S-3ASR 2, 15-12G 1, 3/A 1, 424B3 1, 8-K/A 1, DFAN14A 1, NT 10-K 1, POS AM 1, S-4 1, S-4/A 1, S-8 POS 1, SC 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-11-02 | 08:11 ET | [8-K](/filings/0001104659-26-120939.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-120939 |
| 2026-10-27 | 08:07 ET | [8-K](/filings/0001104659-26-118986.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-118986 |
| 2026-08-06 | 16:10 ET | [10-Q](/filings/0001104659-26-091999.md) | Quarterly report, period 2026-06-30 | 0001104659-26-091999 |
| 2026-08-06 | 08:41 ET | [8-K](/filings/0001104659-26-091697.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-091697 |
| 2026-05-08 | 12:20 ET | [10-Q](/filings/0001104659-26-057725.md) | Quarterly report, period 2026-03-31 | 0001104659-26-057725 |
| 2026-05-07 | 16:15 ET | [8-K](/filings/0001104659-26-057147.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-057147 |
| 2026-05-06 | 16:01 ET | [8-K](/filings/0001104659-26-056230.md) | 5.07 Shareholder vote results | 0001104659-26-056230 |
| 2026-03-31 | 07:28 ET | [DEF 14A](/filings/0001104659-26-037356.md) | Proxy statement, period 2026-05-05 | 0001104659-26-037356 |
| 2026-03-12 | 16:36 ET | [8-K](/filings/0001104659-26-027104.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-027104 |
| 2026-02-26 | 15:48 ET | [10-K](/filings/0001104659-26-020461.md) | Annual report, period 2025-12-31 | 0001104659-26-020461 |
| 2026-02-17 | 16:06 ET | [8-K](/filings/0001104659-26-016391.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-26-016391 |
| 2026-02-06 | 16:40 ET | [8-K](/filings/0001104659-26-011577.md) | 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-011577 |
| 2026-02-02 | 07:00 ET | [8-K](/filings/0001104659-26-008916.md) | 8.01 Other events | 0001104659-26-008916 |
| 2026-01-28 | 17:18 ET | [8-K](/filings/0001104659-26-007482.md) | 8.01 Other events | 0001104659-26-007482 |
| 2025-11-06 | 15:37 ET | [10-Q](/filings/0001104659-25-107689.md) | Quarterly report, period 2025-09-30 | 0001104659-25-107689 |
| 2025-11-04 | 08:17 ET | [8-K](/filings/0001104659-25-105954.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-105954 |
| 2025-10-01 | 17:26 ET | [8-K](/filings/0001104659-25-095693.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-095693 |
| 2025-10-01 | 07:06 ET | [8-K](/filings/0001104659-25-095307.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-095307 |
| 2025-08-05 | 17:19 ET | [10-Q](/filings/0001558370-25-010325.md) | Quarterly report, period 2025-06-30 | 0001558370-25-010325 |
| 2025-08-05 | 08:43 ET | [8-K](/filings/0001104659-25-073971.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-073971 |
| 2025-05-08 | 17:22 ET | [8-K](/filings/0001104659-25-046247.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-046247 |
| 2025-05-06 | 17:17 ET | [10-Q](/filings/0001558370-25-006534.md) | Quarterly report, period 2025-03-31 | 0001558370-25-006534 |
| 2025-05-06 | 07:30 ET | [8-K](/filings/0001104659-25-044808.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-044808 |
| 2025-04-21 | 16:15 ET | [8-K](/filings/0001104659-25-036843.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-036843 |
| 2025-03-31 | 08:00 ET | [DEF 14A](/filings/0001104659-25-029630.md) | Proxy statement, period 2025-05-07 | 0001104659-25-029630 |
| 2025-03-12 | 08:20 ET | [8-K](/filings/0001104659-25-022780.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-022780 |
| 2025-02-28 | 19:30 ET | [10-K](/filings/0001558370-25-001855.md) | Annual report, period 2024-12-31 | 0001558370-25-001855 |
| 2025-02-10 | 16:10 ET | [8-K](/filings/0001104659-25-010940.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-25-010940 |
| 2025-01-10 | 08:01 ET | [8-K](/filings/0001104659-25-002294.md) | 7.01 Regulation FD disclosure | 0001104659-25-002294 |
| 2024-11-07 | 16:02 ET | [10-Q](/filings/0001558370-24-014856.md) | Quarterly report, period 2024-09-30 | 0001558370-24-014856 |
| 2024-11-06 | 16:26 ET | [8-K](/filings/0001104659-24-114804.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-24-114804 |
| 2024-08-01 | 15:48 ET | [10-Q](/filings/0001558370-24-010589.md) | Quarterly report, period 2024-06-30 | 0001558370-24-010589 |
| 2024-07-31 | 16:11 ET | [8-K](/filings/0001104659-24-084348.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-084348 |
| 2024-07-09 | 08:22 ET | [8-K](/filings/0001104659-24-078460.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-078460 |
| 2024-05-09 | 16:01 ET | [8-K](/filings/0001104659-24-059307.md) | 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-059307 |
| 2024-05-02 | 14:57 ET | [10-Q](/filings/0001558370-24-006510.md) | Quarterly report, period 2024-03-31 | 0001558370-24-006510 |
| 2024-05-01 | 16:12 ET | [8-K](/filings/0001104659-24-055735.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-055735 |
| 2024-03-29 | 08:01 ET | [DEF 14A](/filings/0001104659-24-040855.md) | Proxy statement, period 2024-05-09 | 0001104659-24-040855 |
| 2024-02-29 | 16:30 ET | [8-K](/filings/0001104659-24-029398.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-029398 |
| 2024-02-28 | 15:01 ET | [10-K/A](/filings/0001558370-24-001969.md) | Annual report, amended, period 2023-12-31 | 0001558370-24-001969 |
| 2024-02-23 | 17:19 ET | [10-K](/filings/0001558370-24-001628.md) | Annual report, period 2023-12-31 | 0001558370-24-001628 |
| 2024-02-07 | 16:26 ET | [8-K](/filings/0001104659-24-011628.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-24-011628 |
| 2023-11-02 | 16:56 ET | [10-Q](/filings/0001558370-23-017452.md) | Quarterly report, period 2023-09-30 | 0001558370-23-017452 |
| 2023-11-01 | 16:10 ET | [8-K](/filings/0001104659-23-113387.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-23-113387 |
| 2023-09-05 | 08:18 ET | [8-K](/filings/0001104659-23-098017.md) | 5.02 Departure or appointment of officers or directors | 0001104659-23-098017 |
| 2023-08-03 | 13:09 ET | [10-Q](/filings/0001558370-23-013134.md) | Quarterly report, period 2023-06-30 | 0001558370-23-013134 |
| 2023-08-02 | 16:20 ET | [8-K](/filings/0001104659-23-086813.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-23-086813 |
| 2023-05-12 | 09:14 ET | [8-K](/filings/0001104659-23-059495.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-23-059495 |
| 2023-05-05 | 16:34 ET | [10-Q](/filings/0001558370-23-008317.md) | Quarterly report, period 2023-03-31 | 0001558370-23-008317 |
| 2023-05-03 | 16:30 ET | [8-K](/filings/0001104659-23-055521.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001104659-23-055521 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Nov 2, 2026, 08:14 ET. No prices; not investment advice.