Form4insider filings, from the source

Insider · CIK 0001708767

Sergio L. Santillana

Files at: MACK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

No reported common-stock activity in this period.

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Dec 11, 2018 AForm 4 →Dec 13, 4:20 pm ESTMERRIMACK PHARMACEUTICALS INCMACK45,000——45,000—
Feb 15, 2018 AForm 4 →Feb 16, 4:13 pm ESTMERRIMACK PHARMACEUTICALS INCMACK45,000——45,000—
Jun 13, 2017 AForm 4 →Jun 15, 4:24 pm EDTMERRIMACK PHARMACEUTICALS INCMACK450,000——450,000—