Pre-market
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Award
Calculated transaction value
$0

Heiden William K Director

Transaction date Jun 9, 2026
Public filing date Jun 11, 2026
Filing lag Filed 2 days later

ATRA daily price context

No linked price history

This asset is not matched to a market-data symbol.

Source details

Reported owner
Not disclosed
Source asset code
Security
Security
Common Stock
Quantity / price
12,000 shares @ $0
SEC ownership
Direct
Transaction code
A
Form
4
Filing identifier
0000905148-26-002921
Filing cohort

Transactions in this filing

Showing 1 of 1
Trades
1
Issuers
1
Estimated value
$0
Buys / sales
0 / 0
Transactions reported in the same official filing
Issuer Transaction Traded Value
Atara Biotherapeutics, Inc. ATRA Current Award Jun 9, 2026 $0