Merrimack Pharmaceuticals, Inc.

Merrimack Pharmaceuticals, Inc.

MACK
Merrimack Pharmaceuticals, Inc.US flagNASDAQ Global Market
15.15
USD
+0.02
- -
223.97MMarket Cap

Merrimack Pharmaceuticals, Inc. (MACK) Stock Splits

Learn about Merrimack Pharmaceuticals, Inc.'s most recent 1271-for-1000 basis stock split on September 06, 2019. Understand the impact on shareholders and the company's market position.

Latest Stock Split Details

Key information about Merrimack Pharmaceuticals, Inc.'s most recent stock split

Split Date: 2019-09-06
Split Ratio: 1271:1000
Price Before Split: $7.09
Price After Split: $5.58

Impact of the Stock Split

Understanding what this means for shareholders

  • The total value of your investment remains the same
  • You now own 1.27 times more shares (a 1271:1000 ratio)
  • The price per share is reduced proportionally

Historical Stock Splits

A comprehensive history of Merrimack Pharmaceuticals, Inc.'s stock splits

DateRatioIs Reverse SplitPrice Before SplitPrice After Split
2019-09-061271:1000No$7.09$5.58
2017-09-061:10Yes$0.73$0.07

About Merrimack Pharmaceuticals, Inc.

Company overview and industry information

Merrimack Pharmaceuticals, Inc. (MACK) operates in the Biotechnology industry. The recent 1271-for-1000 stock split reflects the company's growth and strategy to make shares more accessible to a broader range of investors.

Biotechnology
Go to Merrimack Pharmaceuticals, Inc. Summary

Last updated: 6/4/2026

This information is for educational purposes only. Always consult with a financial advisor before making investment decisions.