Form 4 for ATRA Atara Biotherapeutics, Inc.
Accepted 2026-06-15 18:51:31 ET · period of report 2026-06-11 · accession 0000905148-26-002951 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-15 18:51 | 2026-06-11 | ATRA | Cherry Brian N | Dir | A - Grant | $0.00 | +24.0K | 62.3K | +63% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-06-11 | A | A | 24,000 | $0.00 | 62,320 | D | — | — | (F1) These restricted stock units shall vest as to 1/3 of the shares on the first, second and third anniversaries of June 11, 2026, subject to the Reporting Person's continuous service. |