Insiders / Cherry Brian N
Cherry Brian N
CIK 1290922personinsider
Companies
2
First seen
Jan 13, 2026
Last activity
Jun 15, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Atara Biotherapeutics, Inc. · ATRA | 62,320 | — |
| Zymeworks Inc. · ZYME | — | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Atara Biotherapeutics, Inc. | Common Stock | 62,320 |
| Zymeworks Inc. | Stock Option (Right to Buy)Derivative | 23,000 |
| Zymeworks Inc. | Restricted Stock UnitDerivative | 15,400 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 11, 2026 | Grant | ATRA Atara Biotherapeutics, Inc. Common Stock | $0 | +24K +62.63% | 62,320 0.62% of shares | low |
| Jan 12, 2026 | Grant | ZYME Zymeworks Inc. Restricted Stock Unit | — | +15K | 15,400 0.02% of shares | low |
| Jan 12, 2026 | Grant | ZYME Zymeworks Inc. Stock Option (Right to Buy) | — | +23K | 23,000 0.03% of shares | low |