Arkolith/Insider Trading/ATRA/Form 4

Nguyen AnhCo

President and CEO, DirectorAtara Biotherapeutics, Inc. (ATRA) · full profile →Form 4 · filed Nov 19, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$38K
Net Open-Market Flow
-$38K
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 17, 2025Sell(S)56$13.19$73965K
Nov 17, 2025Sell(S)3K$13.19$38K65K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000905148-25-004141) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML