Historical shareholding details of Jefferies Financial Group Inc holdings in Mersana Therapeutics Inc (MRSN)

Monthly changes of Jefferies Financial Group Inc 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
Sep 30, 2023	Jefferies Financial Group Inc	0	0.00%

Jun 30, 2023	Jefferies Financial Group Inc	39,975	0.03%