Utpal Koppikar Atara Biotherapeutics, Inc. (ATRA) insider trading activity

Utpal Koppikar is Chief Financial Officer of Atara Biotherapeutics, Inc.. Currently has a direct ownership of 181,978 shares of ATRA, which is worth approximately $1.4 Million. The most recent transaction as insider was on Mar 02, 2023, when has been sold 6,871 shares (Common Stock) at a price of $3.63 per share, resulting in proceeds of $24,941. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 182K

0% 3M change

0% 12M change

Total Value Held $1.4 Million

Utpal Koppikar Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Mar 02 2023	SELL Open market or private sale	$24,941 $3.63 p/Share	6,871 Reduced 3.64%	181,978 Common Stock
Feb 07 2023	SELL Open market or private sale	$13,568 $5.46 p/Share	2,485 Reduced 1.3%	188,849 Common Stock
Nov 16 2022	SELL Open market or private sale	$28,084 $4.49 p/Share	6,255 Reduced 3.17%	191,334 Common Stock
Aug 16 2022	SELL Open market or private sale	$29,938 $5.04 p/Share	5,940 Reduced 2.92%	197,589 Common Stock
Jun 08 2022	SELL Open market or private sale	$32,952 $5.63 p/Share	5,853 Reduced 2.8%	203,529 Common Stock
May 17 2022	SELL Open market or private sale	$29,696 $5.32 p/Share	5,582 Reduced 2.62%	207,592 Common Stock
Mar 01 2022	SELL Open market or private sale	$37,103 $9.86 p/Share	3,763 Reduced 1.73%	213,174 Common Stock

Mar 01 2022	BUY Grant, award, or other acquisition	-	61,235 Added 22.01%	216,937 Common Stock
Feb 07 2022	SELL Open market or private sale	$36,092 $14.46 p/Share	2,496 Reduced 1.58%	155,702 Common Stock
Nov 16 2021	SELL Open market or private sale	$62,574 $17.12 p/Share	3,655 Reduced 2.26%	157,714 Common Stock
Aug 17 2021	SELL Open market or private sale	$44,845 $12.53 p/Share	3,579 Reduced 2.17%	161,369 Common Stock
Jun 08 2021	SELL Open market or private sale	$81,829 $14.06 p/Share	5,820 Reduced 3.41%	164,948 Common Stock
May 18 2021	SELL Open market or private sale	$52,613 $14.55 p/Share	3,616 Reduced 2.1%	168,966 Common Stock
Mar 26 2021	SELL Open market or private sale	$25,675 $14.58 p/Share	1,761 Reduced 1.01%	172,582 Common Stock
Mar 02 2021	SELL Open market or private sale	$24,457 $16.74 p/Share	1,461 Reduced 0.83%	174,343 Common Stock
Mar 01 2021	BUY Grant, award, or other acquisition	-	45,258 Added 20.47%	175,804 Common Stock
Feb 08 2021	SELL Open market or private sale	$35,866 $20.39 p/Share	1,759 Reduced 1.33%	130,546 Common Stock
Nov 17 2020	SELL Open market or private sale	$29,042 $19.77 p/Share	1,469 Reduced 1.1%	132,061 Common Stock

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Utpal Koppikar

Chief Financial Officer

South San Francisco, CA

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