ATARA BIOTHERAPEUTICS INC (ATRA) Stock Ownership
NASDAQ:ATRA • US0465132068
Current stock price
6.5 USD
-0.4 (-5.8%)
At close:
6.54 USD
+0.04 (+0.62%)
After Hours:
ATRA Ownership information
| Shares Outstanding | 7.21M |
| Float | 5.73M |
| Float Short Interest Percentage | 3.65% |
| Owners (insider) | 1.66% |
| Owners (institutional) | 47.72% |
| Owners (insider) change | 1.28% |
| Owners (institutional) change | 7% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Mar 9, 2026 | Nguyen AnhCo | Grant | 81100 | 0.00 | $ 0.00 |
| Mar 9, 2026 | Grant-Huerta Yanina | Grant | 20300 | 0.00 | $ 0.00 |
| Mar 2, 2026 | Grant-Huerta Yanina | Open Market Sale | 2104 | 5.08 | $ 10,690.91 |
| Mar 2, 2026 | Nguyen AnhCo | Open Market Sale | 2996 | 5.09 | $ 15,237.36 |
| Jan 12, 2026 | Panacea Innovation Ltd | Open Market Sale | 80554 | 6.07 | $ 489,019.17 |
| Jan 12, 2026 | Huang James | Open Market Sale | 80554 | 6.07 | $ 489,019.17 |
| Nov 28, 2025 | Panacea Innovation Ltd | Option Excercise | 48737 | 0.00 | $ 4.87 |
| Nov 28, 2025 | Huang James | Option Excercise | 48737 | 0.00 | $ 4.87 |
| Nov 28, 2025 | Panacea Innovation Ltd | Option Excercise | 1 | 14.03 | $ 14.03 |
| Nov 28, 2025 | Huang James | Option Excercise | 1 | 14.03 | $ 14.03 |
| Nov 17, 2025 | Nguyen AnhCo | Open Market Sale | 2915 | 13.19 | $ 38,437.30 |
| Nov 17, 2025 | Grant-Huerta Yanina | Open Market Sale | 1804 | 13.19 | $ 23,788.08 |
| Aug 18, 2025 | Nguyen AnhCo | Open Market Sale | 2958 | 11.62 | $ 34,360.30 |
| Aug 18, 2025 | Grant-Huerta Yanina | Open Market Sale | 1809 | 11.61 | $ 21,009.37 |
| Aug 15, 2025 | Panacea Innovation Ltd | Open Market Purchase | 55000 | 12.19 | $ 670,422.50 |
| Aug 15, 2025 | Huang James | Open Market Purchase | 55000 | 12.19 | $ 670,422.50 |
| Jul 17, 2025 | Panacea Innovation Ltd | Open Market Purchase | 19335 | 9.64 | $ 186,372.00 |
| Jul 17, 2025 | Huang James | Open Market Purchase | 19335 | 9.64 | $ 186,372.00 |
| Jun 10, 2025 | HEIDEN WILLIAM K | Grant | 7828 | 0.00 | $ 0.00 |
| Jun 10, 2025 | Gallagher Carol Giltner | Grant | 7828 | 0.00 | $ 0.00 |
| Jun 10, 2025 | Fust Matthew K | Grant | 7828 | 0.00 | $ 0.00 |
| Jun 10, 2025 | Touchon Pascal | Grant | 7828 | 0.00 | $ 0.00 |
| Jun 10, 2025 | Roncarolo Maria Grazia | Grant | 7828 | 0.00 | $ 0.00 |
| Jun 10, 2025 | MALLIK AMEET | Grant | 7828 | 0.00 | $ 0.00 |
| May 16, 2025 | Adiumentum Capital Fund I LP | Grant | 75572 | 6.61 | $ 499,530.92 |
| May 16, 2025 | Adiumentum Capital Fund I GP LLC | Grant | 75572 | 6.61 | $ 499,530.92 |
| May 16, 2025 | Ciongoli Gregory Austin | Grant | 75572 | 6.61 | $ 499,530.92 |
| May 16, 2025 | Grant-Huerta Yanina | Open Market Sale | 2218 | 6.76 | $ 15,000.33 |
| May 16, 2025 | Nguyen AnhCo | Open Market Sale | 3276 | 6.76 | $ 22,155.59 |