Form4insider filings, from the source

Insider · CIK 0001742696

Utpal Koppikar

Files at: CCCC, ATRA. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $74k · 1sales $0 · 0net $74k
$10k$10k$100k$100k$1M$1MbuyssalesJul 26Jul 26Jul 26Jul 27Jul 27Jul 27Jul 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Feb 6, 2019 AForm 4 →Feb 8, 4:44 pm ESTAtara Biotherapeutics, Inc.ATRA17,063——64,063— plan?
Jul 27, 2018 PForm 4 →Sep 11, 6:49 pm EDTAtara Biotherapeutics, Inc.ATRA2,000$36.80$73,60047,000+4.44% plan? late
Jun 7, 2018 AForm 4 →Jun 7, 6:26 pm EDTAtara Biotherapeutics, Inc.ATRA45,000——45,000— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 24, 2026 AForm 4 →Jun 26, 4:31 pm EDTC4 Therapeutics, Inc.CCCC62,000——62,000—
Feb 6, 2019 AForm 4 →Feb 8, 4:44 pm ESTAtara Biotherapeutics, Inc.ATRA34,125——34,125—
Jun 7, 2018 AForm 4 →Jun 7, 6:26 pm EDTAtara Biotherapeutics, Inc.ATRA75,000——75,000—