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12,309
Dollar Vol
$1.7B
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242,887

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ATRA
Atara Biotherapeutics, Inc.

Common Stock

9.1326

-0.1374

-1.48%

Delayed (15 Min) Trade Data: 01:42pm 07/16/2025
Filings and Disclosure
OTC Disclosure & News Service
Active
Inactive
All

The company has not provided financial reports or other disclosures to OTC Markets Group.

SEC Filings
Form Type
Form Type
Received
Received
Period End Date
Period End Date
Report
Report
8-K07/14/202507/14/2025PDFRTFHTMLXLS
406/12/202506/10/2025PDFRTFHTMLXLS
406/12/202506/10/2025PDFRTFHTMLXLS
406/12/202506/10/2025PDFRTFHTMLXLS
406/12/202506/10/2025PDFRTFHTMLXLS
406/12/202506/10/2025PDFRTFHTMLXLS
406/12/202506/10/2025PDFRTFHTMLXLS
8-K06/11/202506/10/2025PDFRTFHTMLXLS
SC 13D05/23/2025PDFRTFHTML
305/23/202505/16/2025PDFRTFHTMLXLS
More
Displaying 10 of 1026 Filings
Insider Disclosure
OTC Disclosure & News

No insider disclosure available for ATRA.

SEC Transactions Last 6 Months
Buy / Sell
Buys
8
Sells
5
Total
13
Shares
Bought
156,590
Sold
11,095
Gross
167,685
Net
145,495
SEC Transactions Last 2 Years
Trans Date
Trans Date
Filer
Filer
Ownership
Ownership
Type
Type
Price
Price
Shares Traded
Shares Traded
Shares Held
Shares Held
06/10/2025GALLAGHER CAROL GILTNER
Director
DirectAcquisition (Non Open Market)0.007,82833,012
06/10/2025TOUCHON PASCAL
Director
DirectAcquisition (Non Open Market)0.007,82877,955
06/10/2025FUST MATTHEW K
Director
DirectAcquisition (Non Open Market)0.007,82818,188
06/10/2025RONCAROLO MARIA GRAZIA
Director
DirectAcquisition (Non Open Market)0.007,82817,368
06/10/2025MALLIK AMEET
Director
DirectAcquisition (Non Open Market)0.007,82816,928
06/10/2025HEIDEN WILLIAM K
Director
DirectAcquisition (Non Open Market)0.007,82822,188
05/16/2025REDMILE GROUP, LLC
Director
Indirect441,701
05/16/2025PANACEA INNOVATION LTD
Beneficial Owner (10%)
Indirect1,330,665
05/16/2025GRANT-HUERTA YANINA
Officer
DirectSell6.7632,21837,067
05/16/2025NGUYEN ANHCO
Officer
DirectSell6.7633,27670,847
More
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