MRSN

Mersana Therapeutics, Inc. Common Stock

$7.25

Change

-0.27(-3.59%)

Volume

20.23K($144.48K)

Market Capitalization

$36.18M

Mersana Therapeutics Price Charts

Mersana Therapeutics Market Segments

After Hours

-0.03(-0.41%)

Open	$7.28
Close	$7.25
Low	$7.25
Low Change	-0.03 (-0.41%)
High	$7.28
High Change	+0.00 (+0.00%)
Range	$0.03
Volume	385
Dollar Volume	$2.79K

Regular Trading Hours

-0.17(-2.33%)

Open	$7.31
Close	$7.14
Low	$7.13
Low Change	-0.18 (-2.46%)
High	$7.46
High Change	+0.15 (+1.98%)
Range	$0.33
Volume	19.845K
Dollar Volume	$141.69K

Premarket

*No Trades in Segment

After Hours Yesterday

*No Trades in Segment

Regular Trading Hours Yesterday

+0.14(+1.90%)

Open	$7.38
Close	$7.52
Low	$7.26
Low Change	-0.12 (-1.63%)
High	$7.53
High Change	+0.15 (+2.05%)
Range	$0.27
Volume	23.765K
Dollar Volume	$178.71K

Premarket Yesterday

+0.00(+0.00%)

Open	$7.21
Close	$7.21
Low	$7.21
Low Change	0.00 (0.00%)
High	$7.21
High Change	+0.00 (+0.00%)
Range	$0.00
Volume	550
Dollar Volume	$3.97K

Mersana Therapeutics Stock Splits

There has been 1 stock split for Mersana Therapeutics (MRSN). The reverse stock split occured on July 28, 2025 and reduced the outstanding shares at a ratio of 25:1.

Date	Type	Ratio
July 28, 2025	Reverse	25:1