Blumenstock Gerald M
SEC CIK 1979418 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| ACLS | AXCELIS TECHNOLOGIES INC | EVP, Research, Dev, Eng | 20.0K | — | $613.5K | 14 | 2023-06-15 | 2026-06-15 |
Most active insiders at ACLS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Low Russell | Pres AND CEO, Dir | — | $1.57M |
| 2 | Sutton Todd | VP Corp. Ctrl | — | $741.8K |
| 3 | Blumenstock Gerald M | EVP, Research, Dev, Eng | — | $613.5K |
| 4 | Titinger Jorge | Dir | — | $580.4K |
| 5 | Mahoney Robert John | EVP Gbl Ops | — | $542.8K |
| 6 | KURTZWEIL JOHN T | Dir | — | $485.8K |
| 7 | Redinbo Greg | EVP, Chief Strategy Off | — | $463.7K |
| 8 | GRAVES GREGORY B | Dir | — | $456.7K |
| 9 | Quirk Jeanne | Dir | — | $250.9K |
| 10 | Sayiner Necip | Dir | — | $249.7K |
Transactions 14
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-16 17:05 | 2026-06-15 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | F - Tax | $191.60 | -506 | 20.0K | -2% | -$96.9K | |
| 2026-05-22 17:05 | 2026-05-21 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | S - Sale | $152.70 | -1,161 | 20.5K | -5% | -$177.3K | |
| M | 2026-05-19 17:05 | 2026-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | A - Grant | $0.00 | +5,450 | 22.7K | +32% | $0 |
| M | 2026-05-19 17:05 | 2026-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | F - Tax | $155.18 | -1,089 | 21.7K | -5% | -$169.0K |
| 2026-05-15 17:05 | 2026-05-14 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | S - Sale | $162.31 | -1,015 | 17.3K | -6% | -$164.7K | |
| 2026-03-03 | 2026-03-02 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | F - Tax | $86.58 | -1,121 | 17.5K | -6% | -$97.1K | |
| 2025-12-12 | 2025-12-11 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | S - Sale | $89.46 | -3,034 | 18.7K | -14% | -$271.4K | |
| 2025-06-17 | 2025-06-16 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | F - Tax | $68.96 | -506 | 21.7K | -2% | -$34.9K | |
| M | 2025-05-19 | 2025-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | A - Grant | $0.00 | +12.3K | 16.4K | +300% | $0 |
| 2025-05-19 | 2025-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | F - Tax | $62.67 | -345 | 22.2K | -2% | -$21.6K | |
| 2025-03-04 | 2025-02-28 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Research, Dev, Eng | F - Tax | $54.79 | -748 | 10.2K | -7% | -$41.0K | |
| 2024-06-18 | 2024-06-17 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Engineering | F - Tax | $138.02 | -308 | 9,572 | -3% | -$42.5K | |
| M | 2024-05-15 | 2024-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Engineering | A - Grant | $0.00 | +5,698 | 9,880 | +136% | $0 |
| 2023-06-15 | 2023-06-15 | ACLS | AXCELIS TECHNOLOGIES INC | Blumenstock Gerald M | EVP, Engineering | A - Grant | $0.00 | +4,182 | 4,182 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations