ACLS
insider transactionsAXCELIS TECHNOLOGIES INC — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 30d
-4.7K
0 buy · 4.7K sell
Net value · 30d
-$749.0K
$0 in · $749.0K out
Sentiment · 30d
Net selling
0% buying · 100% selling
Open-market trades · 30d
3
0 buy · 4.7K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
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Other·F
David Ryzhik KEY
SVP Interim CFO
$13.4K
76 sh · $176.85
Own -1%
-
Other·F
EVP, Research, Dev. & Eng.
$96.9K
506 sh · $191.60
Own -2%
-
Sell·S
Director
$249.7K
1.6K sh · $157.44
Own -18%
-
Sell·S
EVP Global Operations
$179.3K
1.2K sh · $155.24
Own -7%
-
Sell·S
VP Corporate Controller
$320.0K
2.0K sh · $159.99
Own -24%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 16, 2026 | David Ryzhik KEY | Other F | 76 | $13.4K |
| Jun 15, 2026 | Gerald M Blumenstock | Other F | 506 | $96.9K |
| Jun 3, 2026 | Necip Sayiner | Sell S | 1.6K | $249.7K |
| Jun 2, 2026 | Robert John Mahoney | Sell S | 1.2K | $179.3K |
| May 27, 2026 | Todd Sutton | Sell S | 2.0K | $320.0K |
About ACLS insider trading
This page tracks insider transactions for AXCELIS TECHNOLOGIES INC (ACLS) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.