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Home > Insider Trading > Filing (0001567619-23-004538)

Filing Details

Accession Number:: 0001567619-23-004538
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2023-03-06 18:47:31
Reporting Period:: 2023-03-02

Accepted Time:: 2023-03-06 18:47:31
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1604464	Atara Biotherapeutics Inc.	ATRA	Biological Products, (No Disgnostic Substances) (2836)	460920988

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1742696	Utpal Koppikar	C/O Atara Biotherapeutics, Inc. 2380 Conejo Spectrum St, Suite 200 Thousand Oaks CA 91320	Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2023-03-02	6,871	$3.63	181,978	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct

Footnotes

Shares sold pursuant to a 10b5-1 arrangement to satisfy tax obligations in connection with the vesting of previously granted restricted stock units.
The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on March 2, 2023 and March 3, 2023 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee.