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Atara Biotherapeutics, Inc. (ATRA)
Ticker: ATRA
CIK: 0001604464
42
Filings Found (Last 1 Year)
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4
1/12/2026
Huang James (CIK 0001573160)
Insider trading report
4
Open Filing
8-K
1/12/2026
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
8-K
12/30/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
4
11/28/2025
Huang James (CIK 0001573160)
Insider trading report
4
Open Filing
4
11/17/2025
Grant-Huerta Yanina (CIK 0002064348)
Insider trading report
Open Filing
4
11/17/2025
Nguyen AnhCo (CIK 0001977970)
Insider trading report
Open Filing
8-K
11/12/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
10-Q
9/30/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Quarterly report
10-Q
Open Filing
8-K
10/6/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
8-K
9/2/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
4
8/18/2025
Nguyen AnhCo (CIK 0001977970)
Insider trading report
Open Filing
4
8/18/2025
Grant-Huerta Yanina (CIK 0002064348)
Insider trading report
Open Filing
4
8/15/2025
Huang James (CIK 0001573160)
Insider trading report
4
Open Filing
8-K
8/11/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
10-Q
6/30/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Quarterly report
10-Q
Open Filing
4
7/17/2025
Huang James (CIK 0001573160)
Insider trading report
4
Open Filing
8-K
7/14/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
4
6/10/2025
Touchon Pascal (CIK 0001780060)
Insider trading report
Open Filing
4
6/10/2025
Gallagher Carol Giltner (CIK 0001329959)
Insider trading report
Open Filing
4
6/10/2025
MALLIK AMEET (CIK 0001861441)
Insider trading report
Open Filing
4
6/10/2025
Roncarolo Maria Grazia (CIK 0001811671)
Insider trading report
Open Filing
4
6/10/2025
HEIDEN WILLIAM K (CIK 0001214939)
Insider trading report
Open Filing
4
6/10/2025
Fust Matthew K (CIK 0001397266)
Insider trading report
Open Filing
8-K
6/10/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
4
5/16/2025
Nguyen AnhCo (CIK 0001977970)
Insider trading report
Open Filing
4
5/16/2025
Grant-Huerta Yanina (CIK 0002064348)
Insider trading report
Open Filing
4
5/16/2025
Ciongoli Gregory Austin (CIK 0002023732)
Insider trading report
OWNERSHIP DOCUMENT
Open Filing
8-K
5/14/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
424B5
5/15/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Prospectus
424B5
Open Filing
8-K
5/14/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
10-Q
3/31/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Quarterly report
10-Q
Open Filing
8-K
5/12/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
8-K
5/5/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
8-K
3/31/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
4
3/31/2025
Hyllengren Eric J (CIK 0001966926)
Insider trading report
Open Filing
8-K
3/25/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
8-K
3/7/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
10-K
12/31/2024
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Annual report
10-K
Open Filing
4
3/3/2025
Henrich Jill (CIK 0001978096)
Insider trading report
Open Filing
4
3/3/2025
Hyllengren Eric J (CIK 0001966926)
Insider trading report
Open Filing
4
3/3/2025
Nguyen AnhCo (CIK 0001977970)
Insider trading report
Open Filing
8-K
3/3/2025
Atara Biotherapeutics, Inc. (ATRA) (CIK 0001604464)
Current report
8-K
Open Filing
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