Form 4 for ATRA Atara Biotherapeutics, Inc.
Accepted 2026-06-11 16:36:04 ET · period of report 2026-06-09 · accession 0000905148-26-002919 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-11 16:36 | 2026-06-09 | ATRA | Ciongoli Gregory Austin | Dir, 10%, See Remarks | A - Grant | $0.00 | +12.0K | 12.0K | New | $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 | 2026-06-09 | A | A | 12,000 | $0.00 | 12,000 | D | — | — | (F1) These restricted stock units shall vest on the earlier of June 9, 2027 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service. |