Western Standard LLC Merrimack Pharmaceuticals Inc Transaction History

Western Standard LLC

$207 Million
Q1 2024

A detailed history of Western Standard LLC transactions in Merrimack Pharmaceuticals Inc stock. As of the latest transaction made, Western Standard LLC holds 2,172,513 shares of MACK stock, worth $32.9 Million. This represents 15.49% of its overall portfolio holdings.

Number of Shares

2,172,513

Previous 2,172,513 -0.0%

Holding current value

$32.9 Million

Previous $29.1 Million 10.14%

% of portfolio

15.49%

Previous 20.3%

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2023 Feb 14, 2024	BUY	$12.02 - $13.41 $3.35 Million - $3.73 Million	278,500 Added 14.7%	2,172,513 $29.1 Million
Q3 2023 Nov 14, 2023	BUY	$11.6 - $12.52 $2.57 Million - $2.77 Million	221,550 Added 13.25%	1,894,013 $23.4 Million
Q1 2023 May 15, 2023	BUY	$11.35 - $12.32 $1.62 Million - $1.76 Million	142,969 Added 9.35%	1,672,463 $20.6 Million
Q4 2022 Feb 15, 2023	BUY	$3.68 - $12.51 $1.31 Million - $4.47 Million	357,031 Added 30.45%	1,529,494 $17.5 Million
Q3 2022 Nov 14, 2022	SELL	$3.7 - $6.06 $359,251 - $588,395	-97,095 Reduced 7.65%	1,172,463 $4.4 Million

Q2 2022 Aug 15, 2022	BUY	$4.89 - $7.13 $474,794 - $692,287	97,095 Added 8.28%	1,269,558 $7.55 Million
Q4 2021 Feb 14, 2022	SELL	$3.75 - $5.1 $364,106 - $495,184	-97,095 Reduced 7.65%	1,172,463 $4.58 Million
Q2 2021 Aug 16, 2021	BUY	$6.04 - $7.77 $1.56 Million - $2 Million	257,987 Added 25.5%	1,269,558 $8.11 Million
Q4 2020 Feb 16, 2021	SELL	$3.69 - $8.31 $190,758 - $429,593	-51,696 Reduced 4.86%	1,011,571 $6.97 Million
Q3 2020 Nov 16, 2020	BUY	$3.1 - $4.3 $601,130 - $833,825	193,913 Added 22.31%	1,063,267 $4.25 Million
Q2 2020 Aug 14, 2020	BUY	$2.21 - $3.88 $58,434 - $102,591	26,441 Added 3.14%	869,354 $2.9 Million
Q3 2019 Nov 14, 2019	BUY	$4.16 - $6.05 $907,533 - $1.32 Million	218,157 Added 34.92%	842,913 $3.79 Million
Q2 2019 Aug 14, 2019	BUY	$4.39 - $5.66 $875,352 - $1.13 Million	199,397 Added 46.88%	624,756 $3.78 Million
Q1 2019 May 15, 2019	BUY	$3.19 - $5.73 $877,237 - $1.58 Million	274,996 Added 182.89%	425,359 $2.96 Million
Q4 2018 Feb 14, 2019	BUY	$2.95 - $4.15 $443,570 - $624,006	150,363 New	150,363 $580,000

Others Institutions Holding MACK

# of Institutions

Shares Held

9.18M

Call Options Held

64K

Put Options Held

3.2K

View Full List

About MERRIMACK PHARMACEUTICALS INC

Ticker MACK
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 13,410,200
Market Cap $203M
Description
Merrimack Pharmaceuticals, Inc. operates as a biopharmaceutical company. The company was incorporated in 1993 and is headquartered in Cambridge, Massachusetts.

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Western Standard LLC Merrimack Pharmaceuticals Inc Transaction History