AXCELIS TECHNOLOGIES INC insider trading
ACLS$147.77+11.06 (+8.09% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+57.9%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26
Unlock quarterly net flowKey players
- RLRussell Low0.5016%
- JGJames Gordon Coogan0.1203%
- GRGreg Redinbo0.1127%
- JTJohn T. Kurtzweil0.1068%
- EEEileen Evans0.1013%
- CTChristopher Tatnall0.089%
- LCLynnette C. Fallon0.0885%
- GMGerald M. Blumenstock0.0647%
- TSThomas St Dennis0.0573%
- RJRobert John Mahoney0.0467%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| ACLS | Necip Sayiner | Open market sell$250K | -18.2% | $157.44 | $250K | Jun 3, 2026 | Jun 4, 2026 |
| ACLS | Robert John Mahoney | Open market sell$179K | -7.4% | $155.24 | $179K | Jun 2, 2026 | Jun 3, 2026 |
| ACLS | Todd Sutton | Open market sell$320K | -23.9% | $159.99 | $320K | May 27, 2026 | May 28, 2026 |
| ACLS | Eileen Evans | Open market sell$144K | -2.9% | $155.51 | $144K | May 22, 2026 | May 22, 2026 |
| ACLS | Thomas St Dennis | Open market sell$140K | -4.8% | $155.37 | $140K | May 22, 2026 | May 26, 2026 |
| ACLS | Gerald M. Blumenstock | Open market sell$177K | -5.4% | $152.70 | $177K | May 21, 2026 | May 22, 2026 |
| ACLS | Christopher Tatnall | Open market sell$175K | -4.1% | $149.75 | $175K | May 20, 2026 | May 21, 2026 |
| ACLS | Jeanne Quirk | Open market sell$251K | -13.6% | $140.22 | $251K | May 19, 2026 | May 20, 2026 |
| ACLS | Gregory B. Graves | Open market sell$85.5K | -9.9% | $142.51 | $85.5K | May 19, 2026 | May 20, 2026 |
| ACLS | Gregory B. Graves | Open market sell$371K | -30.2% | $141.41 | $371K | May 19, 2026 | May 20, 2026 |
| ACLS | John T. Kurtzweil | Open market sell$486K | -9.6% | $138.79 | $486K | May 19, 2026 | May 20, 2026 |
| ACLS | Todd Sutton | Open market sell$422K | -24.8% | $163.89 | $422K | May 14, 2026 | May 15, 2026 |
| ACLS | Gerald M. Blumenstock | Open market sell$165K | -5.5% | $162.32 | $165K | May 14, 2026 | May 15, 2026 |
| ACLS | Greg Redinbo | Open market sell$464K | -8.8% | $160.85 | $464K | May 13, 2026 | May 14, 2026 |
| ACLS | Jorge Titinger | Open market sell$328K | -30.9% | $164.14 | $328K | May 13, 2026 | May 14, 2026 |
| ACLS | Robert John Mahoney | Open market sell$364K | -15.0% | $161.00 | $364K | May 12, 2026 | May 13, 2026 |
| ACLS | Russell Low | Open market sell$1.17M | -5.7% | $156.75 | $1.17M | May 6, 2026 | May 7, 2026 |
| ACLS | Russell Low | Open market sell$173K | -0.9% | $138.86 | $173K | May 1, 2026 | May 4, 2026 |
| ACLS | Russell Low | Open market sell$117K | -0.9% | $94.06 | $117K | Apr 1, 2026 | Apr 2, 2026 |
| ACLS | Russell Low | Open market sell$112K | -0.9% | $90.00 | $112K | Mar 24, 2026 | Mar 26, 2026 |
| ACLS | Jorge Titinger | Open market sell$80K | -13.4% | $80.00 | $80K | Feb 20, 2026 | Feb 23, 2026 |
| ACLS | Jorge Titinger | Open market sell$172K | -21.1% | $86.05 | $172K | Dec 17, 2025 | Dec 18, 2025 |
| ACLS | Gerald M. Blumenstock | Open market sell$271K | -14.0% | $89.46 | $271K | Dec 11, 2025 | Dec 12, 2025 |