Insider Transactions Reported by 6 Insiders of MERRIMACK PHARMACEUTICALS INC

Location
Cambridge, MA

There are no Buy or Sell transactions made by insiders since 13 Mar 2025

MERRIMACK PHARMACEUTICALS INC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Noah G. Levy Director, Other* $14,946,809 12 Jan 2023
Eric D. Andersen Director, Other* $7,129,167 26 Dec 2023
Gary L. Crocker Chairman, President, and Treasurer, Director $1,776,992 10 Aug 2023
Russell T. Ray Director 31 Dec 2021
Ulrik B. Nielsen Director 06 Jun 2023
Ana Radeljevic Director 06 Jun 2023

Recent Insider Transactions by Companies or Individuals for MERRIMACK PHARMACEUTICALS INC

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Eric D. Andersen Common Stock Purchase 0.16% $11,441 $13.35 857 534,008 28 Dec 2023 See footnote
Eric D. Andersen Common Stock Purchase 10% $640,313 $13.15 48,693 533,151 26 Dec 2023 See footnote
Eric D. Andersen Common Stock Purchase 6.18% $1,298,472 $12.85 101,050 1,735,600 07 Dec 2023 See footnote
Eric D. Andersen Common Stock Purchase 0.02% $3,750 $12.50 300 1,659,216 17 Nov 2023 See footnote
Eric D. Andersen Common Stock Purchase 3.12% $627,125 $12.50 50,170 1,658,981 14 Nov 2023 See footnote
Eric D. Andersen Common Stock Purchase 0.97% $192,875 $12.39 15,570 1,619,698 13 Nov 2023 See footnote
Eric D. Andersen Common Stock Purchase 2.43% $469,008 $12.32 38,062 1,607,507 10 Nov 2023 See footnote
Eric D. Andersen Common Stock Purchase 0.64% $121,618 $12.19 9,975 1,577,704 09 Nov 2023 See footnote
Eric D. Andersen Common Stock Purchase 0.89% $167,701 $12.13 13,823 1,569,894 08 Nov 2023 See footnote
Gary L. Crocker Common Stock Purchase 1.53% $24,865 $12.43 2,000 133,105 11 Aug 2023 See footnote
Gary L. Crocker Common Stock Purchase 1.53% $25,039 $12.52 2,000 133,105 10 Aug 2023 See footnote
Eric D. Andersen Common Stock Purchase 5.89% $1,044,327 $12.00 87,057 1,565,111 08 Aug 2023 See footnote
Eric D. Andersen Common Stock Purchase 9.87% $1,614,414 $12.00 134,493 1,496,680 07 Aug 2023 See footnote
Ana Radeljevic Stock Option (right to buy) Award 100% 7,000 14,000 06 Jun 2023 Direct
Ulrik B. Nielsen Stock Option (right to buy) Award 33.3% 7,000 28,000 06 Jun 2023 Direct
Gary L. Crocker Stock Option (right to buy) Award 33.3% 8,000 32,000 06 Jun 2023 Direct
Eric D. Andersen Common Stock Purchase 12.8% $1,849,997 $11.52 160,590 1,412,044 21 Mar 2023 See footnote
Eric D. Andersen Common Stock Purchase 0.17% $25,444 $11.40 2,232 1,284,635 31 Jan 2023 See footnote
Eric D. Andersen Common Stock Purchase 1.97% $280,930 $11.36 24,735 1,282,853 30 Jan 2023 See footnote
Eric D. Andersen Common Stock Purchase 1.76% $249,298 $11.40 21,875 1,263,103 27 Jan 2023 See footnote
Noah G. Levy Common Stock Purchase 9.81% $1,190,000 $11.90 100,000 1,119,586 12 Jan 2023 See footnote
Ana Radeljevic Common Stock Purchase $49,997 $12.03 4,156 4,156 06 Jan 2023 Direct
Eric D. Andersen Common Stock Purchase 2.52% $347,159 $11.33 30,632 1,245,638 03 Jan 2023 See footnote
Noah G. Levy Common Stock Purchase 0.52% $59,564 $11.24 5,300 1,019,586 03 Jan 2023 See footnote
Noah G. Levy Common Stock Purchase 0.13% $14,615 $11.24 1,300 1,014,286 30 Dec 2022 See footnote
Eric D. Andersen Common Stock Purchase 3.49% $468,041 $11.33 41,300 1,223,225 30 Dec 2022 See footnote
Eric D. Andersen Common Stock Purchase 22.5% $2,306,675 $10.55 218,636 1,190,195 29 Dec 2022 See footnote
Noah G. Levy Common Stock Purchase 0.41% $18,227 $5.89 3,095 754,108 13 Jul 2022 See footnote
Noah G. Levy Common Stock Purchase 0.38% $16,516 $5.86 2,816 751,013 12 Jul 2022 See footnote
Noah G. Levy Common Stock Purchase 0.09% $4,182 $5.97 700 748,197 11 Jul 2022 See footnote
Noah G. Levy Common Stock Purchase 0.18% $8,249 $5.99 1,378 747,497 08 Jul 2022 See footnote
Noah G. Levy Common Stock Purchase 0.15% $6,586 $5.99 1,100 746,119 07 Jul 2022 See footnote
Noah G. Levy Common Stock Purchase 0.21% $8,921 $5.76 1,550 745,019 30 Jun 2022 See footnote
Noah G. Levy Common Stock Purchase 0.13% $5,990 $5.99 1,000 743,469 24 Jun 2022 See footnote
Noah G. Levy Common Stock Purchase 0.07% $3,000 $6.00 500 742,469 23 Jun 2022 See footnote
Noah G. Levy Common Stock Purchase 0.09% $5,372 $5.97 900 1,012,986 17 Jun 2022 See footnote
Noah G. Levy Common Stock Purchase 0.05% $2,833 $5.45 520 1,012,471 16 Jun 2022 See footnote
Noah G. Levy Common Stock Purchase 0.29% $15,561 $5.37 2,900 1,012,174 15 Jun 2022 See footnote
Noah G. Levy Common Stock Purchase 2.12% $108,319 $5.17 20,938 1,010,515 14 Jun 2022 See footnote
Noah G. Levy Common Stock Purchase 0.98% $49,938 $5.15 9,699 998,538 13 Jun 2022 See footnote
Noah G. Levy Common Stock Purchase 0.65% $31,423 $4.92 6,386 992,990 10 Jun 2022 See footnote
Gary L. Crocker Common Stock Purchase 3.52% $22,918 $5.15 4,452 131,105 09 Jun 2022 See footnote
Gary L. Crocker Common Stock Purchase 0.28% $1,795 $5.14 349 126,653 08 Jun 2022 See footnote
Gary L. Crocker Common Stock Purchase 0.24% $1,515 $5.05 300 126,304 07 Jun 2022 See footnote
Ulrik B. Nielsen Stock Option (right to buy) Award 50% 7,000 21,000 06 Jun 2022 Direct
Gary L. Crocker Stock Option (right to buy) Award 50% 8,000 24,000 06 Jun 2022 Direct
Gary L. Crocker Common Stock Purchase 0.1% $678 $5.13 132 126,004 25 May 2022 See footnote
Gary L. Crocker Common Stock Purchase 1.88% $11,817 $5.09 2,323 125,872 24 May 2022 See footnote
Gary L. Crocker Common Stock Purchase 0.42% $2,582 $5.04 512 123,549 19 May 2022 See footnote
Gary L. Crocker Common Stock Purchase 4.24% $25,407 $5.08 5,000 123,037 18 May 2022 See footnote
* An asterisk sign (*) next to the price indicates that the price is likely invalid.