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/ Insider / 1290922
Cherry Brian N
CIK 1290922
Transactions on file
2
Open-market buys
1
Win rate (buys)
0%
1 scored
Avg % since filing (buys)
-1.2%
Tickers traded
ATRA
2 txns
Recent activity
Filed
Txn date
Issuer
Roles
Code
Shares
Value
% since Filing
Filing
2026-09-04
2026-09-04
ATRA
Atara Biotherapeutics, Inc.
Buy
104,166
$1000.0K
-1.2%
open →
2026-06-15
2026-06-11
ATRA
Atara Biotherapeutics, Inc.
Grant
24,000
$0.00
—
open →