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Merrimack Pharmaceuticals Inc (MACK) Insider Trading

Total insider buys:
  • $16,840,297.18
Total insider sells:
  • $13,368,004.02
Most recent insider trade:
  • Dec. 28, 2023
Most active insider trader:
  • Gary L Crocker
Trader NameDateTitleAmountPriceTypeTotal Value
Dec. 28, 2023Director857$13.35Buy$11,440.95
Dec. 26, 2023Director48,693$13.15Buy$640,312.95
Dec. 7, 2023Director101,050$12.85Buy$1,298,492.50
Nov. 17, 2023Director300$12.50Buy$3,750.00
Nov. 14, 2023Director50,170$12.50Buy$627,125.00
Aug. 10, 2023Insider2,000$12.52Buy$25,040.00
Aug. 7, 2023Director134,493$12.00Buy$1,613,916.00
March 21, 2023Director160,590$11.52Buy$1,849,996.80
Jan. 30, 2023Director24,708$11.36Buy$280,682.88
Jan. 27, 2023Director21,875$11.40Buy$249,375.00
Jan. 12, 2023Director100,000$11.90Buy$1,190,000.00
Jan. 6, 2023Director4,156$12.03Buy$49,996.68
July 13, 2022N/A3,095$5.89Buy$18,229.55
July 13, 2022Director3,095$5.89Buy$18,229.55
July 12, 2022N/A2,816$5.86Buy$16,501.76
July 11, 2022N/A700$5.97Buy$4,179.00
July 8, 2022N/A1,378$5.99Buy$8,254.22
July 7, 2022Director1,100$5.99Buy$6,589.00
July 7, 2022N/A1,100$5.99Buy$6,589.00
June 30, 2022Director1,550$5.76Buy$8,928.00
June 23, 2022Director500$6.00Buy$3,000.00
June 16, 2022Director520$5.45Buy$2,834.00
June 14, 2022Director20,938$5.17Buy$108,249.46
May 24, 2022Insider2,323$5.09Buy$11,824.07
April 21, 2022Insider5,000$6.00Buy$30,000.00
March 30, 2022Insider161$6.20Buy$998.20
March 28, 2022Insider5,000$6.16Buy$30,800.00
March 22, 2022Insider400$6.11Buy$2,444.00
March 14, 2022Insider5,000$6.02Buy$30,100.00
March 11, 2022Insider5,000$6.08Buy$30,400.00
Jan. 31, 2022Director1,237$5.05Buy$6,246.85
Jan. 28, 2022Director12,963$4.48Buy$58,074.24
Jan. 26, 2022Insider3,100$4.56Buy$14,136.00
Jan. 26, 2022Director19,528$5.01Buy$97,835.28
Jan. 24, 2022Director14,287$4.24Buy$60,576.88
Jan. 24, 2022Insider7,105$4.33Buy$30,764.65
Jan. 21, 2022Insider2,000$4.65Buy$9,300.00
Jan. 18, 2022Insider5,000$4.54Buy$22,700.00
Jan. 13, 2022Insider5,000$4.42Buy$22,100.00
Jan. 11, 2022Insider5,000$4.03Buy$20,150.00
Jan. 10, 2022Director14,679$3.83Buy$56,220.57
April 14, 2021Director47,300$6.63Buy$313,599.00
April 12, 2021Insider973$6.07Buy$5,906.11
April 12, 2021Director23,629$6.06Buy$143,191.74
April 9, 2021Insider1,200$6.10Buy$7,320.00
April 7, 2021Insider2,127$6.19Buy$13,166.13
March 25, 2021Insider200$6.13Buy$1,226.00
March 23, 2021Insider3,627$6.47Buy$23,466.69
Feb. 10, 2021Insider3,500$7.64Buy$26,740.00
Nov. 24, 2020Director69,087$3.65Buy$252,167.55
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  • Insiders are both buying and selling Merrimack Pharmaceuticals Inc stock.

  • The insider traders at Merrimack Pharmaceuticals Inc are: Gary L Crocker, Michael E Porter, Noah G Levy, Eric Andersen, Edward J Stewart, Ulrik B Nielsen, William A Sullivan, Edward J. Stewart, Michael Porter, Gary Crocker, Levy Noah G., Robert J Mulroy, Jfl Capital Management, Llc, Birgit M Schoeberl, Jason Aryeh, Vivian S Lee, Lp 22Nw, Anthony Sinskey, Robert Mulroy, William Mcclements, William M Mcclements, Anthony J Sinskey, Daryl C Drummond, Fund Lp 22Nw, Gordon J Fehr, James H Quigley, James Quigley, John Mendelsohn, Sarah Nash, and Ana Radeljevic

  • The most active insider trader at Merrimack Pharmaceuticals Inc is Gary L Crocker with 25 trades.

  • Robert J Mulroy has sold the most Merrimack Pharmaceuticals Inc stock with a total value of $6,409,074.56.

  • Eric Andersen has bought the most Merrimack Pharmaceuticals Inc stock with a total value of $7,701,153.19.

  • The most recent insider trade for Merrimack Pharmaceuticals Inc was on Dec. 28, 2023.

  • The single biggest insider buy for Merrimack Pharmaceuticals Inc was from Eric Andersen with a total value of $1,849,996.80 on March 21, 2023.

  • The single biggest insider sell for Merrimack Pharmaceuticals Inc was from Robert J Mulroy with a total value of $1,968,000.00 on Dec. 8, 2014.