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MA

NASDAQ · MACK

Merrimack Pharmaceuticals, Inc.

Healthcare · Biotechnology

$15.15

Up+$0.02 (+0.10%)

Updated Aug 28, 2026, 6:26 PM

SID Score

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Composite research score

Smart Money

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Institutional and insider signal

Market cap
223.97M
P/E ratio
-183.37
Dividend yield
0.00%
52-week range
— – —
Volume
922.5K
Avg. volume
195.55K

Price performance

MACK price history

1M range · 0 trading sessions · Daily adjusted prices

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Latest MACK news

The latest Smart Investors Daily articles mentioning MACK.

Stock researchCompany · Overview

MACK research

Overview

Company profile and research snapshot.

Company profile

Merrimack Pharmaceuticals, Inc. operates as a biopharmaceutical company. The company was incorporated in 1993 and is headquartered in Cambridge, Massachusetts.

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
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Average target
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Implied upside
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Analysts
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MACK recent ratings
DateFirmRatingTarget
Oct 22, 2018BairdNeutral—
Jun 26, 2018BairdNeutral—
Jun 25, 2018JP MorganUnderweight—
Oct 7, 2016JP MorganNeutral—
Aug 19, 2016BTIG ResearchNeutral—
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News briefing

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Benzinga · Dec 12, 2023

$2M Bet On Ford? Check Out These 4 Stocks Insiders Are Buying

Although U.S. stocks closed higher on Monday, there were a few notable insider trades. When insiders purchase shares, it indicates their confidence in the company's prospects or that they view the stock as a bargain. Either way, this signals an opportunity to go long on the stock. Insider purchases should not be taken as the only indicator for making an investment or trading decision. At best, it can lend conviction to a buying decision. Below is a look at a few recent notable insider purchases. For more, check out Benzinga's insider transactions platform. Merrimack Pharmaceuticals The Trade: Merrimack Pharmaceuticals, Inc. (NASDAQ: MACK) Western Standard Partners QP LP acquired a total of 101,050 shares an average price of $12.85. To acquire these shares, it cost around $1.3 million. What’s Happening: On ...

Benzinga · Feb 1, 2023

3 Stocks Insiders Are Buying: Triumph Financial And More

Although US stocks closed higher on Tuesday, there were a few notable insider trades. When insiders purchase shares, it indicates their confidence in the company's prospects or that they view the stock as a bargain. Either way, this signals an opportunity to go long on the stock. Insider purchases should not be taken as the only indicator for making an investment or trading decision. At best, it can lend conviction to a buying decision. Below is a look at a few recent notable insider purchases. For more, check out Benzinga's insider transactions platform. JELD-WEN Holding The Trade: JELD-WEN Holding, Inc. (NYSE: JELD) 10% owner Turtle Creek Asset Management Inc acquired a total ...

Benzinga · Jan 18, 2023

$2.6M Bet On This Energy Stock? Check Out These 3 Stocks Insiders Are Buying

Although US stocks closed mostly lower on Tuesday, there were a few notable insider trades. When insiders purchase shares, it indicates their confidence in the company's prospects or that they view the stock as a bargain. Either way, this signals an opportunity to go long on the stock. Insider purchases should not be taken as the only indicator for making an investment or trading decision. At best, it can lend conviction to a buying decision. Below is a look at a few recent notable insider purchases. For more, check out Benzinga's insider transactions platform. EOG Resources The Trade: EOG Resources, Inc. (NYSE: EOG) Director Michael T Kerr acquired ...

Benzinga · Jan 4, 2023

$1.4 Million Bet On Joint Corp? Check Out These 3 Stocks Insiders Are Buying

Although US stocks closed lower on Tuesday, there were a few notable insider trades. When insiders purchase shares, it indicates their confidence in the company's prospects or that they view the stock as a bargain. Either way, this signals an opportunity to go long on the stock. Insider purchases should not be taken as the only indicator for making an investment or trading decision. At best, it can lend conviction to a buying decision. Below is a look at a few recent notable insider purchases. For more, check out Benzinga's insider transactions platform. Joint Corp The Trade: The Joint Corp. (NASDAQ: JYNT) 10% owner Jefferson Gramm acquired a total of 100,936 shares an ...

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