Disclosure 0000905148-26-003960-1

SEC FORM 4

$40,882.74

Atara Biotherapeutics, Inc. (ATRA)

Sale of 5,062 shares at $8.0764 per share.

Reporting Person Nguyen AnhCo · Officer Title President and CEO · Transaction Code S

Traded Aug 17, 2026 · Disclosed Aug 26, 2026FILED +9 DAYS

Source: SEC Form 4 · 0000905148-26-003960 · filed 2026-08-26 · View filing →

Composed from the Form 4 as filed with the SEC. Share counts, prices and dates are the filing's own; the disclosure lag is counted in business days from the transaction date to the filing date. What is a Form 4?

Cite this card

Desq Long. "Atara Biotherapeutics, Inc. (ATRA)." Disclosed 2026-08-26. https://desqlong.com/cards/0000905148-26-003960-1 (retrieved 2026-09-26).