ATRAAtara Biotherapeutics, Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-07-25.
Insider buys (90d)
$4.74M
Insider sells (90d)
$6.40M
Net flow
$-1.66M
Filings
9
Buy transactions
1
Sell transactions
4
Distinct insiders
11
Last close (cached)
$8.06
as of 2026-07-29
1d return
+3.2%
5d return
-0.8%
1m return
-27.8%
Top insiders trading ATRA (90d)
Recent transactions (13)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 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 | 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 → |
| 2026-06-11 | 2026-06-09 | HEIDEN WILLIAM K | Grant | 12,000 | $0.00 | $0.00 | open → |
| 2026-06-11 | 2026-06-09 | Fust Matthew K | Grant | 12,000 | $0.00 | $0.00 | open → |
| 2026-06-11 | 2026-06-09 | Ciongoli Gregory Austin | Grant | 12,000 | $0.00 | $0.00 | open → |
| 2026-05-20 | 2026-05-18 | Nguyen AnhCo | Sale | 5,241 | $9.13 | $47.8K | open → |
| 2026-05-20 | 2026-05-18 | Grant-Huerta Yanina | Sale | 2,414 | $9.13 | $22.0K | open → |
| 2026-05-11 | 2026-05-07 | Panacea Innovation Ltd | Sale | 313,446 | $10.10 | $3.17M | open → |
| 2026-05-11 | 2026-05-07 | Huang James | Sale | 313,446 | $10.10 | $3.17M | open → |
| 2026-05-11 | 2026-05-07 | EcoR1 Capital, LLC 10% | Buy | 507,407 | $9.35 | $4.74M | open → |
Other tickers these insiders trade
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