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MRSN
Mersana Therapeutics, Inc. Common Stock
stock NASDAQ

At Close

Dec 8, 2025 3:59:30 PM EST

27.92USD+0.522%(+0.15)41,335

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-27.78)0

After-hours

0.00USD0.000%(0.00)0

OverviewOptionsHistoricalExchange VolumeShortsMore

MRSN Volume Dec 8, 2025

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	42.08	17,397	27.42
Off Exchange¹	33.49	13,845	34.02
NYSE Arca	12.21	5,049	20.54
CHX	3.76	1,553	0.34
Cboe EDGX	2.53	1,045	8.22
IEX	2.06	850	2.90
Cboe BZX	1.25	515	1.98
Nasdaq BX	0.98	405	0.61
Cboe BYX	0.70	291	0.73
MEMX	0.31	127	1.61
NYSE	0.27	110	0.41
Cboe EDGA	0.21	88	0.39
Nasdaq PHLX	0.15	63	0.06
MIAX Pearl	0.00	2	0.28
NYSE National	0.00	0	0.46
NYSE American	0.00	0	0.02

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

MRSN Nutrition Facts

0.24 servings per container

Serving size

170.86K

Calories

41.34K

% Day

% Avg

Nasdaq GSM 17K

42.08%

27.42%

Off Exchange¹ 14K

33.49%

34.02%

NYSE Arca 5K

12.21%

20.54%

CHX 2K

3.76%

0.34%

Cboe EDGX 1K

2.53%

8.22%

IEX 850

2.06%

2.90%

Cboe BZX 515

1.25%

1.98%

Nasdaq BX 405

0.98%

0.61%

Cboe BYX 291

0.70%

0.73%

MEMX 127

0.31%

1.61%

NYSE 110

0.27%

0.41%

Cboe EDGA 88

0.21%

0.39%

Nasdaq PHLX 63

0.15%

0.06%

MIAX Pearl 2

0.00%

0.28%

NYSE National 0

0.00%

0.46%

NYSE American 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 13,845, which is 33.49% of today's total volume.
Today's Lit volume is 27,495, which is 66.51%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 34.02%.
The average Lit volume has been 65.98%.

MRSN Volume by Exchange

Nasdaq GSM

Off Exchange

NYSE Arca

CHX

Cboe EDGX

IEX

Cboe BZX

Nasdaq BX

Cboe BYX

MEMX

NYSE