AXCELIS TECHNOLOGIES INC (ACLS)
Latest ACLS Insider Trades
About AXCELIS TECHNOLOGIES INC (ACLS)
Axcelis Technologies Inc designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips. In addition to equipment, the company provides aftermarket lifecycle products and services, including used tools, spare parts, equipment upgrades, maintenance services, and customer training. Geographically, the group has a business presence in North America, Asia Pacific, and Europe, of which key revenue is derived from the Asia Pacific.
- BEVERLY, MA
- 1,465
- 2000
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 2,741 | $429K |
| Tax withholding / forfeiture | 4 | 803 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
ACLS Insider Transactions (Form 4)
2574 Form 4 filings on record, the earliest from Oct 17, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Christopher Tatnall - Officer | Grant or award | Common Stock | 6,148 |
Recent ACLS Form 8-K Filings
5Recent ACLS Form 144 Notices of Proposed Sale
3A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - |
ACLS Insider Trading - FAQ
What is the latest insider trade for ACLS?
AXCELIS TECHNOLOGIES INC (ACLS) had 5 insider filings in the last 90 days, with the most recent on 2026-07-17. The full record for ACLS runs to 74 Form 4 filings, the earliest from 2024-10-17. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying ACLS stock?
No insider purchases of ACLS were filed in the last 90 days.
How many insiders are selling ACLS stock?
2 insider sales of ACLS were filed in the last 90 days, totaling $429K.
Where can I see ACLS SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks ACLS Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow ACLS insider buys?
Create a free InsiderAlpha account and press Watch on this page to add ACLS to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Industrials Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - David Ryzhik view on EDGAR
- - David Ryzhik view on EDGAR
- - Gerald M. Blumenstock view on EDGAR
- - Necip Sayiner view on EDGAR
- - Robert John Mahoney view on EDGAR
- - Todd Sutton view on EDGAR
- - Dennis Thomas St view on EDGAR
- - Eileen Evans view on EDGAR
- - Gerald M. Blumenstock view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Industrials
- Where ACLS's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track ACLS insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
