Skip to main content

Nguyen AnhCo's Form 4 filing

Atara Biotherapeutics, Inc. (ATRA) · filed Aug 26, 2026

Accession no.
0000905148-26-003960
Filed
Aug 26, 2026, 7:45 PM ET
Trade date
Aug 17, 2026
Filing delay
9 daysLate
Rule 10b5-1 plan
Not checked

This filing lists 1 non-derivative transaction and 0 derivative transactions. Open-market sales total $40.9K. It was filed 9 days after the trade, past the 2-business-day deadline.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Nguyen AnhCoCIK 0001977970Director, Officer (President and CEO)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Aug 17, 2026Common StockSSaleDisposed−5,062$8.08−$40,882.74132,775Direct

Footnotes

Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.

Read the original on SEC EDGAR (opens in a new tab)