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Atara Biotherapeutics, Inc.

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Overview All Filings Annual Quarterly Insiders

Recent Filings

All 1,000 filings →
Form Description Date
EFFECT Mar 25, 2026
424B3 424B3 Mar 25, 2026
4 4 Mar 19, 2026
S-3 S-3 Mar 17, 2026
424B5 424B5 Mar 16, 2026
10-K 10-K Mar 16, 2026
8-K 8-K Mar 16, 2026
8-K 8-K Mar 12, 2026
4 Mar 11, 2026
4 Mar 11, 2026

Insider Transactions

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Insider Title Type Shares Owns After Date
Nguyen AnhCo President and CEO Sale 2,859 @ $13.19 65,030 Nov 17, 2025
Grant-Huerta Yanina Chief Accounting Officer Sale 85 @ $13.19 33,528 Nov 17, 2025
Nguyen AnhCo President and CEO Sale 1,281 @ $11.62 69,509 Aug 18, 2025
Grant-Huerta Yanina Chief Accounting Officer Sale 1,668 @ $11.61 35,258 Aug 18, 2025
Panacea Innovation Ltd Purchase 55,000 @ $12.19 1,405,000 Aug 15, 2025
Huang James Purchase 19,335 @ $9.64 1,350,000 Jul 17, 2025
Gallagher Carol Giltner Award / Grant 7,828 33,012 Jun 10, 2025
Fust Matthew K Award / Grant 7,828 18,188 Jun 10, 2025
Touchon Pascal Award / Grant 7,828 77,955 Jun 10, 2025
Roncarolo Maria Grazia Award / Grant 7,828 17,368 Jun 10, 2025