Form4insider filings, from the source

Insider · CIK 0001531962

Ulrik B. Nielsen

Files at: MACK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.6M · 8net −$2.6M
$10k$10k$100k$100k$1M$1MbuyssalesFeb 2015Jul 2015Dec 2015Jun 2016Nov 2016Apr 2017Sep 2017

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2017 SForm 4 →Sep 15, 4:43 pm EDTMERRIMACK PHARMACEUTICALS INCMACK7,896$14.23$112,35722,681−25.8% plan?
Sep 14, 2017 MForm 4 →Sep 15, 4:43 pm EDTMERRIMACK PHARMACEUTICALS INCMACK7,896$13.20$104,22730,477— plan?
Sep 11, 2017 SForm 4 →Sep 13, 5:38 pm EDTMERRIMACK PHARMACEUTICALS INCMACK21,556$14.40$310,40822,681−48.7% plan?
Sep 11, 2017 MForm 4 →Sep 13, 5:38 pm EDTMERRIMACK PHARMACEUTICALS INCMACK21,556$13.20$284,53929,481— plan?
Jul 20, 2015 SForm 4 →Jul 22, 4:17 pm EDTMERRIMACK PHARMACEUTICALS INCMACK20,000$10.71$214,200226,811−8.10% plan?
Jul 20, 2015 MForm 4 →Jul 22, 4:17 pm EDTMERRIMACK PHARMACEUTICALS INCMACK20,000$2.59$51,800246,811— plan?
Jun 19, 2015 SForm 4 →Jun 19, 9:04 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000$12.02$480,800226,811−15.0% plan?
Jun 19, 2015 MForm 4 →Jun 19, 9:04 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000$2.56$102,400266,811— plan?
May 19, 2015 SForm 4 →May 19, 5:04 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000$13.04$521,600226,811−15.0% plan?
May 19, 2015 MForm 4 →May 19, 5:04 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000$2.47$98,800266,811— plan?
Apr 20, 2015 MForm 4/A →May 18, 7:44 am EDTMERRIMACK PHARMACEUTICALS INCMACK25,000$2.47$61,750266,811— plan?
Apr 20, 2015 SForm 4 →Apr 20, 7:40 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000$12.88$515,200226,811−15.0% plan? amended
Apr 20, 2015 MForm 4 →Apr 20, 7:40 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000$1.77$70,900266,811— plan? amended
Mar 19, 2015 SForm 4 →Mar 20, 4:57 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000$11.97$478,800226,811−15.0% plan?
Mar 19, 2015 MForm 4 →Mar 20, 4:57 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000$1.71$68,400266,811— plan?
Mar 4, 2015 SForm 4 →Mar 6, 4:34 pm ESTMERRIMACK PHARMACEUTICALS INCMACK20,000$12.01$240,200226,811−8.10% plan?
Mar 4, 2015 MForm 4 →Mar 6, 4:34 pm ESTMERRIMACK PHARMACEUTICALS INCMACK20,000$1.71$34,200246,811— plan?
Feb 23, 2015 SForm 4 →Feb 24, 4:20 pm ESTMERRIMACK PHARMACEUTICALS INCMACK20,000$10.91$218,200226,811−8.10% plan?
Feb 23, 2015 MForm 4 →Feb 24, 4:20 pm ESTMERRIMACK PHARMACEUTICALS INCMACK20,000$1.71$34,200246,811— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 13, 2018 AForm 4 →Jun 15, 4:33 pm EDTMERRIMACK PHARMACEUTICALS INCMACK7,000——7,000—
Sep 13, 2017 AMForm 4 →Sep 15, 4:43 pm EDTMERRIMACK PHARMACEUTICALS INCMACK15,396——0—
Sep 11, 2017 MForm 4 →Sep 13, 5:38 pm EDTMERRIMACK PHARMACEUTICALS INCMACK21,556——7,233—
Jun 14, 2016 AForm 4 →Jun 16, 5:08 pm EDTMERRIMACK PHARMACEUTICALS INCMACK43,000——43,000—
Jul 20, 2015 MForm 4 →Jul 22, 4:17 pm EDTMERRIMACK PHARMACEUTICALS INCMACK20,000——3,378—
Jun 19, 2015 MForm 4 →Jun 19, 9:04 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000——23,378—
May 19, 2015 MForm 4 →May 19, 5:04 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000——10,000—
May 13, 2015 AForm 4 →May 18, 7:52 am EDTMERRIMACK PHARMACEUTICALS INCMACK17,951——17,951— late
Apr 20, 2015 MForm 4/A →May 18, 7:44 am EDTMERRIMACK PHARMACEUTICALS INCMACK25,000——23,175—
Apr 20, 2015 MForm 4 →Apr 20, 7:40 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000——225,000— amended
Mar 19, 2015 MForm 4 →Mar 20, 4:57 pm EDTMERRIMACK PHARMACEUTICALS INCMACK40,000——15,000—
Mar 4, 2015 MForm 4 →Mar 6, 4:34 pm ESTMERRIMACK PHARMACEUTICALS INCMACK20,000——55,000—
Feb 23, 2015 MForm 4 →Feb 24, 4:20 pm ESTMERRIMACK PHARMACEUTICALS INCMACK20,000——0—