CHERRY BRIAN N purchased 167.1% of their position (104.17K shares) of ATARA BIOTHERAPEUTICS, INC. on the open market
Open‑market purchase worth $1000.0K — a major conviction buy. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 9/4/2026ACC: 0000905148-26-004085
Director
Since Jun 2026
+104.17K
Net shares
Net buyer
$1000.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
104.17K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+104.17K
Price / share
$9.60
Trade value
$999.99K
% of position
167.1%
9/4/2026
62.32K→166.49K
Total
Net shares
+104.17K
Net value
$999.99K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/4/2026 | P · Purchase | +104.17K | $9.60 | $999.99K | 167.1% | 62.32K | 166.49K |
| Total | +104.17K | $999.99K | ||||||
Derivative Transactions0
No derivative transactions reported