Historical shareholding details of 683 Capital Management LLC holdings in Mersana Therapeutics Inc (MRSN)

Monthly changes of 683 Capital Management LLC shareholding in Mersana Therapeutics Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	683 Capital Management Llc	1,650,000	1.32%

Dec 31, 2024	683 Capital Management Llc	900,000	0.72%

Sep 30, 2024	683 Capital Management Llc	182,793	0.15%