Form4insider filings, from the source

Insider · CIK 0001656633

Roger Crystal

Files at: DFTX, OPNT. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $24k · 1sales $1.2M · 3net −$1.2M
$10k$10k$100k$100k$1M$1MbuyssalesJan 2017May 2017Sep 2017Jan 2018May 2018Sep 2018Jan 2019

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 11, 2026 AForm 4 →Jun 15, 4:30 pm EDTDefinium Therapeutics, Inc.DFTX4,666——24,289—
Jan 4, 2019 SForm 4 →Jan 8, 4:51 pm ESTOPIANT PHARMACEUTICALS, INC.OPNT50,000$13.34$666,9638,475−85.5% plan?
Jan 4, 2019 MForm 4 →Jan 8, 4:51 pm ESTOPIANT PHARMACEUTICALS, INC.OPNT50,000$6.63$331,25046,641— plan?
Oct 5, 2018 SForm 4 →Oct 10, 4:12 pm EDTOPIANT PHARMACEUTICALS, INC.OPNT10,847$17.21$186,6528,475−56.1% plan? late
Oct 2, 2018 SForm 4 →Oct 4, 4:47 pm EDTOPIANT PHARMACEUTICALS, INC.OPNT18,450$18.11$334,14119,322−48.8% plan?
Oct 2, 2018 MForm 4 →Oct 4, 4:47 pm EDTOPIANT PHARMACEUTICALS, INC.OPNT29,297$7.25$212,40337,772— plan?
Jan 17, 2017 PForm 4 →Jan 19, 10:56 am ESTOPIANT PHARMACEUTICALS, INC.OPNT3,475$6.99$24,2908,475+69.5% plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 11, 2026 AForm 4 →Jun 15, 4:30 pm EDTDefinium Therapeutics, Inc.DFTX19,188——19,188—
Jan 15, 2019 AForm 4 →Jan 17, 4:18 pm ESTOPIANT PHARMACEUTICALS, INC.OPNT13,200——13,200—
Jan 4, 2019 MForm 4 →Jan 8, 4:51 pm ESTOPIANT PHARMACEUTICALS, INC.OPNT50,000——50,000—
Oct 2, 2018 MForm 4 →Oct 4, 4:47 pm EDTOPIANT PHARMACEUTICALS, INC.OPNT50,000——450,000—