Form4insider filings, from the source

Insider · CIK 0001531946

Gordon J. Fehr

Files at: MACK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $260k · 1net −$260k
$10k$10k$100k$100k$1M$1MbuyssalesApr 12Apr 12Apr 12Apr 13Apr 13Apr 13Apr 14

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Apr 13, 2015 SForm 4 →Apr 15, 6:07 pm EDTMERRIMACK PHARMACEUTICALS INCMACK20,000$13.00$260,000215,143−8.51% plan?
Apr 13, 2015 MForm 4 →Apr 15, 6:07 pm EDTMERRIMACK PHARMACEUTICALS INCMACK20,000$1.71$34,200235,143— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
May 13, 2015 AForm 4 →May 18, 7:45 am EDTMERRIMACK PHARMACEUTICALS INCMACK14,000——14,000— late
Apr 13, 2015 MForm 4 →Apr 15, 6:07 pm EDTMERRIMACK PHARMACEUTICALS INCMACK20,000——0—