Merrimack Pharmaceuticals, Inc. (MACK)

NasdaqGM - NasdaqGM Real-time price. Currency in USD

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14.73

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(0.00%)

At close: 04:00PM EDT

14.73

0.00

(0.00%)

After hours:

04:20PM EDT

Major holders

Insider roster

Insider transactions

Currency in USD

Insider purchases - Last 6 months	Shares	Trans
Purchases	0	0
Sales	N/A	0
Net shares purchased (sold)	0	0
Total insider shares held	175.94k	N/A
% net shares purchased (sold)	N/A	N/A

Net institutional purchases - Prior quarter to latest quarter	Shares
Net shares purchased (sold)	N/A
% change in institutional shares held	N/A

Insider transactions reported - last two years

Insider	Transaction	Type	Value	Date	Shares
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 13.15 - 13.35 per share.	Indirect	651,754	28 Dec 2023	49,550
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 12.85 per share.	Indirect	1,298,472	07 Dec 2023	101,050
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 12.50 per share.	Indirect	3,750	17 Nov 2023	300
ANDERSEN ERIC D Director	Purchase at price 12.50 per share.	Indirect	627,125	14 Nov 2023	50,170
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 12.32 - 12.39 per share.	Indirect	661,883	13 Nov 2023	53,632
ANDERSEN ERIC D Director	Purchase at price 12.13 - 12.19 per share.	Indirect	289,319	09 Nov 2023	23,798
CROCKER GARY L President	Purchase at price 12.43 - 12.52 per share.	Indirect	49,904	11 Aug 2023	4,000
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 12.00 per share.	Indirect	2,658,741	08 Aug 2023	221,550
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 11.52 per share.	Indirect	1,849,997	21 Mar 2023	160,590
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 11.36 - 11.40 per share.	Indirect	306,068	31 Jan 2023	26,940
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 11.36 - 11.40 per share.	Indirect	306,375	31 Jan 2023	26,967
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 11.40 per share.	Indirect	249,298	27 Jan 2023	21,875
LEVY NOAH G Director	Purchase at price 11.90 per share.	Indirect	1,190,000	12 Jan 2023	100,000
RADELJEVIC ANA Director	Purchase at price 12.03 per share.	Direct	49,997	06 Jan 2023	4,156
LEVY NOAH G Director	Purchase at price 11.24 per share.	Indirect	74,179	03 Jan 2023	6,600
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 11.33 per share.	Indirect	347,159	03 Jan 2023	30,632
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 10.55 - 11.33 per share.	Indirect	2,774,716	30 Dec 2022	259,936
LEVY NOAH G Director	Purchase at price 5.89 per share.	Indirect	18,227	13 Jul 2022	3,095
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.86 - 5.97 per share.	Indirect	20,697	12 Jul 2022	3,516
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.99 per share.	Indirect	14,835	08 Jul 2022	2,478
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.76 per share.	Indirect	8,921	30 Jun 2022	1,550
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.99 - 6.00 per share.	Indirect	8,990	24 Jun 2022	1,500
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.45 - 5.97 per share.	Indirect	8,205	17 Jun 2022	1,420
LEVY NOAH G Director	Purchase at price 5.17 - 5.37 per share.	Indirect	123,880	15 Jun 2022	23,838
LEVY NOAH G Director	Purchase at price 4.92 - 5.15 per share.	Indirect	81,361	13 Jun 2022	16,085
CROCKER GARY L President	Purchase at price 5.15 per share.	Indirect	22,918	09 Jun 2022	4,452
CROCKER GARY L President	Purchase at price 5.05 - 5.14 per share.	Indirect	3,310	08 Jun 2022	649
CROCKER GARY L President	Purchase at price 5.09 - 5.13 per share.	Indirect	12,495	25 May 2022	2,455
CROCKER GARY L President	Purchase at price 5.04 per share.	Indirect	2,582	19 May 2022	512
CROCKER GARY L President	Purchase at price 5.08 - 5.10 per share.	Indirect	26,554	18 May 2022	5,225
CROCKER GARY L President	Purchase at price 4.90 - 5.04 per share.	Indirect	12,471	13 May 2022	2,474
CROCKER GARY L President	Purchase at price 6.00 per share.	Indirect	30,001	21 Apr 2022	5,000
CROCKER GARY L President	Purchase at price 6.18 - 6.20 per share.	Indirect	2,851	31 Mar 2022	461
CROCKER GARY L President	Purchase at price 6.16 per share.	Indirect	30,822	28 Mar 2022	5,000
CROCKER GARY L President	Purchase at price 6.11 per share.	Indirect	2,446	22 Mar 2022	400
CROCKER GARY L President	Purchase at price 6.14 per share.	Indirect	28,556	15 Mar 2022	4,649
CROCKER GARY L President	Purchase at price 6.02 - 6.08 per share.	Indirect	60,527	14 Mar 2022	10,000
CROCKER GARY L President	Purchase at price 5.96 per share.	Indirect	19,970	18 Feb 2022	3,351
CROCKER GARY L President	Purchase at price 6.13 - 6.20 per share.	Indirect	79,857	17 Feb 2022	12,945
CROCKER GARY L President	Purchase at price 5.96 - 6.20 per share.	Indirect	11,486	15 Feb 2022	1,923
LEVY NOAH G Director	Purchase at price 4.48 - 5.05 per share.	Indirect	64,279	31 Jan 2022	14,200
CROCKER GARY L President	Purchase at price 4.60 per share.	Indirect	3,096	27 Jan 2022	673
LEVY NOAH G Director	Purchase at price 4.82 - 5.01 per share.	Indirect	176,259	27 Jan 2022	35,800
CROCKER GARY L Officer and Director	Purchase at price 4.56 per share.	Indirect	14,121	26 Jan 2022	3,100
CROCKER GARY L President	Purchase at price 4.33 - 4.65 per share.	Indirect	40,051	24 Jan 2022	9,105
NIELSEN ULRIK B Director	Purchase at price 4.24 per share.	Indirect	60,630	24 Jan 2022	14,287
CROCKER GARY L President	Purchase at price 4.54 per share.	Indirect	22,690	18 Jan 2022	5,000
CROCKER GARY L President	Purchase at price 4.42 - 4.51 per share.	Indirect	44,674	14 Jan 2022	10,000
CROCKER GARY L President	Purchase at price 4.03 - 4.33 per share.	Indirect	41,798	12 Jan 2022	10,000
LEVY NOAH G Director	Purchase at price 3.83 - 4.00 per share.	Indirect	421,192	11 Jan 2022	105,949
LEVY NOAH G Director	Purchase at price 3.82 per share.	Indirect	33,524	07 Jan 2022	8,780
RAY RUSSELL T Director	Sale at price 3.84 per share.	Direct	3,840	31 Dec 2021	1,000
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 6.39 - 6.63 per share.	Indirect	651,857	01 Jul 2021	100,214
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Sale at price 6.39 per share.	Indirect	338,120	01 Jul 2021	52,914
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 6.63 per share.	Indirect	313,736	14 Apr 2021	47,300
ANDERSEN ERIC D Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 6.26 per share.	Indirect	61,780	13 Apr 2021	9,874
CROCKER GARY L President	Purchase at price 6.07 per share.	Indirect	5,905	12 Apr 2021	973
ANDERSEN ERIC D Director	Purchase at price 6.06 per share.	Indirect	143,194	12 Apr 2021	23,629
CROCKER GARY L President	Purchase at price 6.10 per share.	Indirect	7,320	09 Apr 2021	1,200
CROCKER GARY L President	Purchase at price 6.19 per share.	Indirect	13,166	07 Apr 2021	2,127
CROCKER GARY L President	Purchase at price 6.19 per share.	Indirect	3,094	31 Mar 2021	500
CROCKER GARY L President	Purchase at price 6.13 per share.	Indirect	1,226	25 Mar 2021	200
CROCKER GARY L President	Purchase at price 6.34 - 6.47 per share.	Indirect	55,145	24 Mar 2021	8,627
CROCKER GARY L President	Purchase at price 6.79 per share.	Indirect	33,956	16 Mar 2021	5,000
CROCKER GARY L President	Purchase at price 7.20 per share.	Indirect	36,004	23 Feb 2021	5,000
CROCKER GARY L President	Purchase at price 7.47 per share.	Indirect	37,342	12 Feb 2021	5,000
CROCKER GARY L President	Purchase at price 7.64 - 7.98 per share.	Indirect	39,554	11 Feb 2021	5,104
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 4.00 per share.	Indirect	119,077	01 Dec 2020	29,776
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 3.65 per share.	Indirect	252,168	24 Nov 2020	69,087
ANDERSEN ERIC D Director	Purchase at price 3.65 per share.	Indirect	252,171	24 Nov 2020	69,088
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 3.65 per share.	Indirect	205,912	12 Nov 2020	56,490
ANDERSEN ERIC D Director	Purchase at price 3.65 per share.	Indirect	206,188	12 Nov 2020	56,490
LEVY NOAH G Director	Purchase at price 3.50 per share.	Indirect	2,128	13 Aug 2020	608
ANDERSEN ERIC D Director	Purchase at price 3.50 per share.	Indirect	2,132	13 Aug 2020	609
LEVY NOAH G Director	Purchase at price 3.45 - 3.49 per share.	Indirect	55,466	12 Aug 2020	16,042
ANDERSEN ERIC D Director	Purchase at price 3.45 - 3.49 per share.	Indirect	55,423	12 Aug 2020	16,030
CROCKER GARY L Officer and Director	Sale at price 3.04 - 3.20 per share.	Indirect	596,465	22 Jul 2020	193,509
LEVY NOAH G Director	Purchase at price 3.04 - 3.20 per share.	Indirect	552,087	22 Jul 2020	177,274
ANDERSEN ERIC D Director	Purchase at price 3.04 - 3.20 per share.	Indirect	552,086	22 Jul 2020	177,274
LEVY NOAH G Director and Beneficial Owner of more than 10% of a Class of Security	Purchase at price 3.25 per share.	Indirect	12,184	21 Apr 2020	3,749
ANDERSEN ERIC D Director	Purchase at price 3.25 per share.	Indirect	12,184	21 Apr 2020	3,749
LEVY NOAH G Director	Purchase at price 3.03 per share.	Indirect	17,885	07 Apr 2020	5,899
ANDERSEN ERIC D Director	Purchase at price 3.03 per share.	Indirect	17,885	07 Apr 2020	5,899
LEVY NOAH G Director	Purchase at price 2.59 - 3.00 per share.	Indirect	45,982	06 Apr 2020	16,792
ANDERSEN ERIC D Director	Purchase at price 2.60 - 3.00 per share.	Indirect	46,032	06 Apr 2020	16,793
ARYEH JASON M Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.44 per share.	Direct	1,643	16 Jul 2019	302
ARYEH JASON M Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.62 - 5.71 per share.	Direct	19,895	12 Jul 2019	3,500
JFL CAPITAL MANAGEMENT, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.85 - 6.00 per share.	Indirect	297,856	02 Jul 2019	50,288
22NW, L.P. Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.73 - 6.00 per share.	Indirect	391,323	17 Apr 2019	66,760
JFL CAPITAL MANAGEMENT, L.L.C. Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.73 - 5.95 per share.	Indirect	219,399	08 Apr 2019	37,278
22NW, L.P. Beneficial Owner of more than 10% of a Class of Security	Purchase at price 5.81 - 6.12 per share.	Indirect	496,795	08 Apr 2019	82,873
NIELSEN ULRIK B Director	Sale at price 14.20 - 14.23 per share.	Direct	112,357	15 Sept 2017	7,896
NIELSEN ULRIK B Director	Conversion of Exercise of derivative security at price 13.20 per share.	Direct	104,227	15 Sept 2017	7,896
NIELSEN ULRIK B Director	Sale at price 14.27 - 14.46 per share.	Direct	310,408	13 Sept 2017	21,556
NIELSEN ULRIK B Director	Conversion of Exercise of derivative security at price 13.20 per share.	Direct	284,539	13 Sept 2017	21,556
DRUMMOND DARYL C Officer	Sale at price 3.72 per share.	Indirect	15,241	12 May 2017	4,097
DRUMMOND DARYL C Officer	Conversion of Exercise of derivative security at price 2.69 per share.	Indirect	11,021	12 May 2017	4,097
PORTER MICHAEL E Director	Conversion of Exercise of derivative security at price 2.69 per share.	Direct	228,650	10 Mar 2017	85,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 2.47 per share.	Direct	74,100	26 Jul 2016	30,000
SCHOEBERL BIRGIT M Officer	Sale at price 5.50 per share.	Direct	275,000	25 Jul 2016	50,000
SCHOEBERL BIRGIT M Officer	Conversion of Exercise of derivative security at price 2.12 per share.	Direct	106,000	25 Jul 2016	50,000
PORTER MICHAEL E Director	Purchase at price 7.20 per share.	Direct	36,000	17 Mar 2016	5,000
PORTER MICHAEL E Director	Purchase at price 7.65 per share.	Direct	38,250	15 Mar 2016	5,000
PORTER MICHAEL E Director	Purchase at price 7.09 per share.	Direct	70,900	08 Mar 2016	10,000
PORTER MICHAEL E Director	Purchase at price 5.61 - 6.60 per share.	Direct	122,100	01 Mar 2016	20,000
MCCLEMENTS WILLIAM M Officer	Purchase at price 5.72 per share.	Direct	11,440	29 Feb 2016	2,000
LEE VIVIAN S Director	Purchase at price 5.50 per share.	Direct	192,500	29 Feb 2016	35,000
STEWART EDWARD J Officer	Sale at price 8.00 per share.	Direct	32,000	05 Jan 2016	4,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	7,240	05 Jan 2016	4,000
STEWART EDWARD J Officer	Sale at price 9.33 per share.	Direct	46,650	01 Dec 2015	5,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	9,050	01 Dec 2015	5,000
STEWART EDWARD J Officer	Sale at price 9.30 - 10.00 per share.	Direct	56,500	02 Nov 2015	6,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	10,860	02 Nov 2015	6,000
STEWART EDWARD J Officer	Sale at price 10.00 per share.	Direct	10,000	16 Oct 2015	1,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	1,810	16 Oct 2015	1,000
STEWART EDWARD J Officer	Sale at price 8.00 - 9.00 per share.	Direct	41,000	02 Oct 2015	5,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	9,050	02 Oct 2015	5,000
STEWART EDWARD J Officer	Sale at price 9.88 per share.	Direct	59,280	01 Sept 2015	6,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	10,860	01 Sept 2015	6,000
PORTER MICHAEL E Director	Purchase at price 9.76 per share.	Direct	48,800	21 Aug 2015	5,000
STEWART EDWARD J Officer	Sale at price 10.49 per share.	Direct	62,940	17 Aug 2015	6,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	10,860	17 Aug 2015	6,000
PORTER MICHAEL E Director	Purchase at price 10.18 - 10.65 per share.	Direct	137,040	14 Aug 2015	13,000
PORTER MICHAEL E Director	Purchase at price 10.16 per share.	Direct	203,200	12 Aug 2015	20,000
LEE VIVIAN S Director	Purchase at price 10.05 per share.	Direct	100,500	12 Aug 2015	10,000
DINEEN JOHN M Director	Purchase at price 10.15 per share.	Direct	1,015,000	12 Aug 2015	100,000
NIELSEN ULRIK B Director	Sale at price 10.71 per share.	Direct	214,200	20 Jul 2015	20,000
NIELSEN ULRIK B Director	Conversion of Exercise of derivative security at price 2.59 per share.	Direct	51,800	20 Jul 2015	20,000
SULLIVAN WILLIAM A Chief Financial Officer	Sale at price 11.85 per share.	Direct	177,750	15 Jul 2015	15,000
SULLIVAN WILLIAM A Chief Financial Officer	Conversion of Exercise of derivative security at price 2.12 per share.	Direct	31,800	15 Jul 2015	15,000
STEWART EDWARD J Officer	Sale at price 11.84 per share.	Direct	71,040	15 Jul 2015	6,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	10,860	15 Jul 2015	6,000
NIELSEN ULRIK B Director	Sale at price 12.02 per share.	Direct	480,800	19 Jun 2015	40,000
NIELSEN ULRIK B Director	Conversion of Exercise of derivative security at price 2.47 - 2.59 per share.	Direct	102,400	19 Jun 2015	40,000
STEWART EDWARD J Officer	Sale at price 12.00 per share.	Direct	24,000	18 Jun 2015	2,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	3,620	18 Jun 2015	2,000
SULLIVAN WILLIAM A Chief Financial Officer	Sale at price 10.65 per share.	Direct	159,750	15 Jun 2015	15,000
SULLIVAN WILLIAM A Chief Financial Officer	Conversion of Exercise of derivative security at price 2.12 per share.	Direct	31,800	15 Jun 2015	15,000
STEWART EDWARD J Officer	Sale at price 10.67 per share.	Direct	64,020	15 Jun 2015	6,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	10,860	15 Jun 2015	6,000
SCHOEBERL BIRGIT M Officer	Conversion of Exercise of derivative security at price 2.12 per share.	Direct	131,561	09 Jun 2015	62,057
NIELSEN ULRIK B Director	Sale at price 13.04 per share.	Direct	521,600	19 May 2015	40,000
NIELSEN ULRIK B Director	Conversion of Exercise of derivative security at price 2.47 per share.	Direct	98,800	19 May 2015	40,000
SULLIVAN WILLIAM A Chief Financial Officer	Sale at price 12.37 per share.	Direct	185,550	15 May 2015	15,000
SULLIVAN WILLIAM A Chief Financial Officer	Conversion of Exercise of derivative security at price 2.12 per share.	Direct	31,800	15 May 2015	15,000
STEWART EDWARD J Officer	Sale at price 12.33 per share.	Direct	98,640	15 May 2015	8,000
STEWART EDWARD J Officer	Conversion of Exercise of derivative security at price 1.81 per share.	Direct	14,480	15 May 2015	8,000
PORTER MICHAEL E Director	Purchase at price 11.79 per share.	Direct	97,668	13 May 2015	8,284
NIELSEN ULRIK B Director	Sale at price 12.88 per share.	Direct	515,200	20 Apr 2015	40,000
NIELSEN ULRIK B Director	Conversion of Exercise of derivative security at price 1.71 - 1.81 per share.	Direct	70,900	20 Apr 2015	40,000

FTSE 1008,139.83+60.97(+0.75%)

FTSE 25019,824.16+222.18(+1.13%)

AIM755.28+2.16(+0.29%)

GBP/EUR1.1679+0.0022(+0.19%)

GBP/USD1.2494-0.0017(-0.13%)

Bitcoin GBP50,434.70-1,092.10(-2.12%)

Merrimack Pharmaceuticals, Inc. (MACK)

Insider transactions

Insider transactions reported - last two years

FTSE 100
8,139.83
+60.97(+0.75%)

FTSE 250
19,824.16
+222.18(+1.13%)

AIM
755.28
+2.16(+0.29%)

GBP/EUR
1.1679
+0.0022(+0.19%)

GBP/USD
1.2494
-0.0017(-0.13%)

Bitcoin GBP
50,434.70
-1,092.10(-2.12%)