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Insider ActivityACLS
Tatnall Christopher, EVP Global Customer Operations at AXCELIS TECHNOLOGIES INC, sold $175K of ACLS
Updated Jun 19, 2026
Tatnall Christopher
EVP Global Customer Operations
AXCELIS TECHNOLOGIES INC ·
$ACLS
Transaction Details
| Insider | Tatnall Christopher |
|---|---|
| Title | EVP Global Customer Operations |
| Company | AXCELIS TECHNOLOGIES INC |
| Ticker | ACLS |
| Transaction Type | Sale |
| Transaction Date | 2026-05-20 |
| Shares Traded | 1,166 |
| Price Per Share | $149.75 |
| Total Value | $175K |
| Filed Date | 2026-05-21 |
| Accession Number | 0001990732-26-000008 |
Ownership Context
| Shares Owned After Transaction | 27,627 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001990732-26-000008
Other Insider Trades — ACLS
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Ryzhik David | SVP Interim CFO | traded | $13K | 2026-06-16 |
| Blumenstock Gerald M | EVP, Research, Dev. & Eng. | traded | $97K | 2026-06-15 |
| Sayiner Necip | Insider | sold | $250K | 2026-06-03 |
| Mahoney Robert John | EVP Global Operations | sold | $179K | 2026-06-02 |
| Sutton Todd | VP Corporate Controller | sold | $320K | 2026-05-27 |
| Evans Eileen | EVP, General Counsel and Sec'y | sold | $144K | 2026-05-22 |
| St Dennis Thomas | Insider | sold | $140K | 2026-05-22 |
| Blumenstock Gerald M | EVP, Research, Dev. & Eng. | sold | $177K | 2026-05-21 |
| GRAVES GREGORY B | Insider | sold | $86K | 2026-05-19 |
| KURTZWEIL JOHN T | Insider | sold | $486K | 2026-05-19 |
Other Trades by Tatnall Christopher
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| ACLS | AXCELIS TECHNOLOGIES INC | traded | — | 2026-05-15 |
| ACLS | AXCELIS TECHNOLOGIES INC | traded | $115K | 2026-05-15 |
| ACLS | AXCELIS TECHNOLOGIES INC | traded | $54K | 2026-05-15 |
| ACLS | AXCELIS TECHNOLOGIES INC | traded | $26K | 2026-05-15 |
| ACLS | AXCELIS TECHNOLOGIES INC | traded | $119K | 2026-04-20 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for ACLS — AXCELIS TECHNOLOGIES INC →
Whisper Score — ACLS
50.0
Active Discussion
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 19, 2026 at 07:08 UTC