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MRSN
Mersana Therapeutics, Inc. Common Stock
stock NASDAQ

At Close
Oct 14, 2025 3:59:30 PM EDT
10.20USD+2.926%(+0.29)47,509
0.00Bid   0.00Ask   0.00Spread
Pre-market
Oct 14, 2025 9:20:30 AM EDT
9.99USD+0.807%(+0.08)1,319
After-hours
Oct 14, 2025 4:00:30 PM EDT
10.30USD+0.980%(+0.10)235
OverviewOption ChainMax PainOption ChainPrice & VolumeSplitsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Nov 21, 2025Jan 16, 2026Feb 20, 2026

ITM/OTM for Nov 21, 2025View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
146000


MRSN Nov 21, 2025 Exp. - Volume by Strike
Puts
Calls

MRSN Nov 21, 2025 Exp. - Open Interest by Strike

Puts
Calls

MRSN Nov 21, 2025 Exp. - Max Pain @ $0.50

Puts
Calls


MRSN Nov 21, 2025 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
7.50 C00%0MRSN1251121C00007500
5.00 C00%0MRSN1251121C00005000
2.50 C00%0MRSN1251121C00002500
2.00 C00%0MRSN1251121C00002000
1.50 C00%0MRSN1251121C00001500
1.00 C00%0MRSN1251121C00001000
0.50 C0.050.00%10014610-01MRSN1251121C00000500
Puts
StrikePriceChangeVolOILastContract Name
7.50 P00%0MRSN1251121P00007500
5.00 P00%0MRSN1251121P00005000
2.50 P00%0MRSN1251121P00002500
2.00 P00%0MRSN1251121P00002000
1.50 P00%0MRSN1251121P00001500
1.00 P00%0MRSN1251121P00001000
0.50 P00%0MRSN1251121P00000500


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