Jul 28, 2025
1:25
For every 25 shares held, investors received 1. The price per share adjusted from $0.27 to $0.01.
The split itself did not change the total investment value.
Mersana Therapeutics, Inc. (MRSN) trades on the NASDAQ Global Select in the Biotechnology industry.
Mersana Therapeutics, Inc. company overviewThe latest split shown was on July 28, 2025. It was a 1-for-25 reverse split, so shareholders received 1 share for every 25 they held.
This history records one reverse split, on July 28, 2025.