Chiu Tzu Yin
SEC CIK 1738290 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| ACLS | AXCELIS TECHNOLOGIES INC | Dir | 11.8K | — | $3.34M | 9 | 2022-05-16 | 2026-05-15 |
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 |
| 16 | Chiu Tzu Yin | Dir | — | — |
Transactions 9
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-18 17:05 | 2026-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | A - Grant | $0.00 | +1,440 | 11.8K | +14% | $0 | |
| 2025-05-15 | 2025-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | A - Grant | $0.00 | +3,586 | 10.4K | +53% | $0 | |
| A | 2024-05-16 | 2024-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | A - Grant | $0.00 | +1,662 | 6,817 | +32% | $0 |
| 2024-05-15 | 2024-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | A - Grant | $0.00 | +1,162 | 6,317 | +23% | $0 | |
| 2023-05-16 | 2023-05-16 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | S - Sale | $129.50 | -15.0K | 5,155 | -74% | -$1.94M | |
| 2023-05-15 | 2023-05-15 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | A - Grant | $0.00 | +1,282 | 20.2K | +7% | $0 | |
| 2023-05-09 | 2023-05-09 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | S - Sale | $118.50 | -10.0K | 18.9K | -35% | -$1.19M | |
| 2023-02-14 | 2023-02-01 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | S - Sale | $127.12 | -1,700 | 28.9K | -6% | -$216.1K | |
| 2022-05-16 | 2022-05-16 | ACLS | AXCELIS TECHNOLOGIES INC | Chiu Tzu Yin | Dir | A - Grant | $0.00 | +2,689 | 30.6K | +10% | $0 |
Purchase Sale Sale after option exercise All abbreviations