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NASDAQ: MACK
Merrimack Pharmaceuticals Inc Stock Ownership - Who owns Merrimack Pharmaceuticals?

OverviewEarningsDividendOwnership

Insider buying vs selling

Have Merrimack Pharmaceuticals Inc insiders been buying or selling?
Buy
Sell
NameRoleDateSharesPriceValue
Eric 1. AndersenDirector2023-12-28857$13.35
$11.44kBuy
Eric 1. AndersenDirector2023-12-2648,693$13.15
$640.31kBuy
Eric 1. AndersenDirector2023-12-0724,666$12.85
$316.96kBuy
Eric 1. AndersenDirector2023-12-0776,384$12.85
$981.53kBuy
Eric 1. AndersenDirector2023-11-17235$12.50
$2.94kBuy
Eric 1. AndersenDirector2023-11-1765$12.50
$812.50Buy
Eric 1. AndersenDirector2023-11-1410,887$12.50
$136.09kBuy
Eric 1. AndersenDirector2023-11-1439,283$12.50
$491.04kBuy
Eric 1. AndersenDirector2023-11-133,379$12.39
$41.86kBuy
Eric 1. AndersenDirector2023-11-1312,191$12.39
$151.02kBuy

1 of 3

MACK insiders have bought more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

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MACK Shareholders

What type of owners hold Merrimack Pharmaceuticals Inc stock?
Institutional
Insider
Retail
NameHoldSharesValueType
Gary L. Crocker101.39%14,717,801$216.79MInsider
Robert J. Mulroy22.19%3,220,501$47.44MInsider
Sarah E. Nash18.97%2,754,086$40.57MInsider
Western Standard LLC14.97%2,172,513$32.00MInstitution
Newtyn Management LLC12.91%1,873,694$27.60MInstitution
Jfl Capital Management LLC8.61%1,249,828$18.41MInsider
22nw GP Inc8.56%1,241,896$18.29MInsider
22nw LP8.56%1,241,896$18.29MInsider
Anthony J. Sinskey8.22%1,193,829$17.59MInsider
Noah G. Levy7.71%1,119,586$16.49MInsider

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MACK vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MACK23.49%76.51%Net Buying
GALT8.36%91.64%Net BuyingNet Selling
STRO78.85%21.15%Net SellingNet Selling
DSGN42.98%57.02%Net BuyingNet Buying
LCTX34.36%65.64%Net BuyingNet Buying
View Top Biotech Stocks

Merrimack Pharmaceuticals Stock Ownership FAQ

Who owns Merrimack Pharmaceuticals?

Merrimack Pharmaceuticals (NASDAQ: MACK) is owned by 64.14% institutional shareholders, 208.90% Merrimack Pharmaceuticals insiders, and 0.00% retail investors. Gary L. Crocker is the largest individual Merrimack Pharmaceuticals shareholder, owning 14.72M shares representing 101.39% of the company. Gary L. Crocker's Merrimack Pharmaceuticals shares are currently valued at $216.79M.

If you're new to stock investing, here's how to buy Merrimack Pharmaceuticals stock.
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