Chiu Tzu Yin (CIK 1738290) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-18). Recent activity: Buy ACLS (1,440 shares), Buy ACLS (3,586 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-18 | AXCELIS TECHNOLOGIES INC (ACLS) | Director | Buy | 1,440 | $0 |
| 2025-05-15 | AXCELIS TECHNOLOGIES INC (ACLS) | Director | Buy | 3,586 | $0 |
Source: SEC Form 4 filings · as of 2026-05-18