ATRAAtara Biotherapeutics, Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-04.
Insider buys (90d)
$1000.0K
Insider sells (90d)
$40.9K
Net flow
$959.1K
Filings
4
Buy transactions
1
Sell transactions
1
Distinct insiders
4
Last close (cached)
$9.89
as of 2026-09-10
1d return
-0.2%
5d return
+4.8%
1m return
+10.6%
Top insiders trading ATRA (90d)
Recent transactions (7)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-04 | 2026-09-04 | Cherry Brian N | Buy | 104,166 | $9.60 | $1000.0K | open → |
| 2026-08-26 | 2026-08-17 | Nguyen AnhCo | Sale | 5,062 | $8.08 | $40.9K | open → |
| 2026-07-25 | 2026-07-22 | Green Jeremy Director | Tax | 60 | $0.00 | $0.00 | open → |
| 2026-07-25 | 2026-07-22 | Redmile Group, LLC Director | Tax | 60 | $0.00 | $0.00 | open → |
| 2026-07-25 | 2026-07-22 | Green Jeremy Director | Exer. | 195,211 | $0.00 | $0.00 | open → |
| 2026-07-25 | 2026-07-22 | Redmile Group, LLC Director | Exer. | 195,211 | $0.00 | $0.00 | open → |
| 2026-06-15 | 2026-06-11 | Cherry Brian N | Grant | 24,000 | $0.00 | $0.00 | open → |
Other tickers these insiders trade
Want an email the moment a new insider transaction is filed on ATRA? Set up an alert → Watch4Insider delivers SEC Form 4 alerts with a sub-60s p95 SLA.
