Ciongoli Gregory Austin (CIK 2023732) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-11). Recent activity: Buy ATRA (12,000 shares), Buy ZYME (415,000 shares), Buy ATRA (75,572 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-11 | Atara Biotherapeutics, Inc. (ATRA) | Director | Buy | 12,000 | $0 |
| 2025-08-12 | Zymeworks Inc. (ZYME) | Director | Buy | 415,000 | $5.0M |
| 2025-05-16 | Atara Biotherapeutics, Inc. (ATRA) | Director | Buy | 75,572 | $499,531 |
Source: SEC Form 4 filings · as of 2026-06-11