Dark

MRSN
Mersana Therapeutics, Inc. Common Stock
stock NASDAQ

At Close

Nov 10, 2025 3:59:30 PM EST

8.54USD+2.092%(+0.18)38,632

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-8.37)0

After-hours

Nov 10, 2025 4:38:30 PM EST

8.76USD+2.576%(+0.22)300

OverviewOptionsHistoricalDark Pool PrintsShortsMore

MRSN Volume Nov 10, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	63.33	24,465	49.13
Cboe EDGX	13.47	5,204	10.06
Nasdaq GSM	12.51	4,834	25.41
MEMX	3.79	1,464	1.97
NYSE Arca	3.61	1,396	6.13
Cboe BZX	1.51	584	2.48
Cboe BYX	0.73	283	0.57
NYSE	0.60	230	0.70
IEX	0.43	168	1.95
Nasdaq BX	0.01	4	0.28
MIAX Pearl	0.00	0	0.70
Nasdaq PHLX	0.00	0	0.29
NYSE National	0.00	0	0.16
Cboe EDGA	0.00	0	0.11
NYSE American	0.00	0	0.03
CHX	0.00	0	0.02

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

MRSN Nutrition Facts

0.66 servings per container

Serving size

58.78K

Calories

38.63K

% Day

% Avg

Off Exchange¹ 24K

63.33%

49.13%

Cboe EDGX 5K

13.47%

10.06%

Nasdaq GSM 5K

12.51%

25.41%

MEMX 1K

3.79%

1.97%

NYSE Arca 1K

3.61%

6.13%

Cboe BZX 584

1.51%

2.48%

Cboe BYX 283

0.73%

0.57%

NYSE 230

0.60%

0.70%

IEX 168

0.43%

1.95%

Nasdaq BX 4

0.01%

0.28%

MIAX Pearl 0

0.00%

0.70%

Nasdaq PHLX 0

0.00%

0.29%

NYSE National 0

0.00%

0.16%

Cboe EDGA 0

0.00%

0.11%

NYSE American 0

0.00%

0.03%

CHX 0

0.00%

0.02%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

MRSN Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 24,465, which is 63.33% of today's total volume.
Today's Lit volume is 14,167, which is 36.67%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 49.13%.
The average Lit volume has been 50.87%.

MRSN Volume by Exchange

Off Exchange

Cboe EDGX

Nasdaq GSM

MEMX

NYSE Arca

Cboe BZX

Cboe BYX

NYSE

IEX

Nasdaq BX

MIAX Pearl