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| Keyboard |
| Atara Biotherapeutics Inc
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|---|---|
| CIK # | 0001604464 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 10-K | [0001604464] | |
| 10-Q | [0001604464] | |
| 3 | [0001604464] | |
| 4 | [0001604464] | |
| 8-K | [0001604464] | |
| SC 13D | [0001604464] | |
| SC 13G | [0001604464] |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Atara Biotherapeutics Inc ATRA
Warrants · derivative
|
2026-03-17 | Option exercise | 259,163 | $6.61 | 1,713,067 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-17 | Option exercise | 259,163 | $0.00 | |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-17 | Tax withheld | 5 | $5.23 | 26 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-09 | Grant | 81,100 | $0.00 | |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-09 | Grant | 20,300 | $0.00 | |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-02 | Sell | 198 | $5.08 | 1,006 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-02 | Sell | 24 | $5.08 | 122 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-02 | Sell | 58 | $5.08 | 295 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-02 | Sell | 1,603 | $5.08 | 8,143 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-02 | Sell | 1,442 | $5.09 | 7,340 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-02 | Sell | 1,298 | $5.09 | 6,607 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-02 | Sell | 377 | $5.08 | 1,915 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-03-02 | Sell | 100 | $5.08 | 508 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2026-01-12 | Sell | 80,554 | $6.07 | 488,963 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2025-11-28 | Tax withheld | 1 | $14.03 | 14 |
|
Atara Biotherapeutics Inc ATRA
Warrants · derivative
|
2025-11-28 | Option exercise | 48,737 | $6.61 | 322,152 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2025-11-28 | Option exercise | 48,737 | $0.00 | |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2025-11-17 | Sell | 74 | $13.19 | 976 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2025-11-17 | Sell | 56 | $13.19 | 739 |
|
Atara Biotherapeutics Inc ATRA
Common Stock
|
2025-11-17 | Sell | 2,859 | $13.19 | 37,710 |
| showing 20 of 200 most recent transactions | |||||