ATRAAtara Biotherapeutics, Inc.

Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-05-20.

Set an alert for ATRA
Insider buys (90d)
$4.74M
Insider sells (90d)
$6.40M
Net flow
$-1.66M
Filings
4
Buy transactions
1
Sell transactions
4
Distinct insiders
5
Last close (cached)
$9.86
as of 2026-06-10
1d return
+0.9%
5d return
+2.4%
1m return
+12.3%

Top insiders trading ATRA (90d)

Recent transactions (5)

FiledTxn dateInsiderCodeSharesPriceValueFiling
2026-05-202026-05-18Nguyen AnhCo
Sale5,241$9.13$47.8Kopen →
2026-05-202026-05-18Grant-Huerta Yanina
Sale2,414$9.13$22.0Kopen →
2026-05-112026-05-07Panacea Innovation Ltd
Sale313,446$10.10$3.17Mopen →
2026-05-112026-05-07Huang James
Sale313,446$10.10$3.17Mopen →
2026-05-112026-05-07EcoR1 Capital, LLC
10%
Buy507,407$9.35$4.74Mopen →

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