Eric J. Hyllengren - 03 Mar 2025 Form 4 Insider Report for Atara Biotherapeutics, Inc. (ATRA)

Reporting relationship: EVP, CFO and COO
Issuer ticker: ATRA
Reported as of: 03 Mar 2025
Net transaction value: -$8,473
SEC form: 4
Accepted by SEC: 05 Mar 2025, 17:17:42 UTC
Prior SEC filing: 29 Jan 2025
Next SEC filing: 02 Apr 2025
Source filing: View source filing
Reporting owner signature: /s/ John Chao, Attorney-in-Fact for Eric J. Hyllengren

Key filing fact

Eric J. Hyllengren filed Form 4 for Atara Biotherapeutics, Inc. (ATRA) on 05 Mar 2025.

Key facts

This page summarizes Eric J. Hyllengren's Form 4 filing for Atara Biotherapeutics, Inc. (ATRA).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 05 Mar 2025, 17:17.

Change

Previous filing in this sequence was filed on 29 Jan 2025.
Current net transaction value: -$8,473.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATRA transaction

Common Stock

Sale

Transaction value: $8,473
Shares: -1,211
Change %: -2.1%
Price: $7.00
Shares after: 56,231
Date: 03 Mar 2025
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Shares sold automatically to satisfy tax withholding obligations in connection with the vesting of previously granted restricted stock units, pursuant to a sale-to-cover provision in the award agreement.

Footnote F2

The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on March 3, 2025 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.