ATRA
Atara·NASDAQ
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ATRA Filings
Filing Date
Form Description
Form Type
2026-01-14
Form SCHEDULE 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
2026-01-14 ·
Form SCHEDULE 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
2026-01-14
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-01-14 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-01-12
Form 144 - Report of proposed sale of securities
Ownership
2026-01-12 · Ownership
Form 144 - Report of proposed sale of securities
2026-01-12
Form 8-K - Current report
Key Events
2026-01-12 · Key Events
Form 8-K - Current report
2026-01-02
Form 8-K - Current report
Key Events
2026-01-02 · Key Events
Form 8-K - Current report
2025-12-01
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-12-01 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2025-11-19
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-11-19 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2025-11-19
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-11-19 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2025-11-17
Form 144 - Report of proposed sale of securities
Ownership
2025-11-17 · Ownership
Form 144 - Report of proposed sale of securities
2025-11-17
Form 144 - Report of proposed sale of securities
Ownership
2025-11-17 · Ownership
Form 144 - Report of proposed sale of securities
