Ashish Mandelia Mersana Therapeutics, Inc. (MRSN) insider trading activity

Ashish Mandelia is VP, Chief Accounting Officer of Mersana Therapeutics, Inc.. Currently has a direct ownership of 57,519 shares of MRSN, which is worth approximately $32,785. The most recent transaction as insider was on Jan 16, 2025, when has been sold 3,554 shares (Common Stock) at a price of $0.58 per share, resulting in proceeds of $2,061. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 57.5K

20.44% 3M change

146.57% 12M change

Total Value Held $32,785

Ashish Mandelia Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 16 2025	SELL Open market or private sale	$2,061 $0.58 p/Share	3,554 Reduced 5.82%	57,519 Common Stock
Jan 15 2025	SELL Open market or private sale	$1,128 $0.63 p/Share	1,791 Reduced 3.31%	52,388 Common Stock
Jan 15 2025	BUY Exercise of conversion of derivative security	-	8,685 Added 12.45%	61,073 Common Stock
Jan 14 2025	SELL Open market or private sale	$664 $0.66 p/Share	1,007 Reduced 2.0%	49,396 Common Stock
Jan 14 2025	BUY Exercise of conversion of derivative security	-	4,783 Added 8.11%	54,179 Common Stock
Jan 13 2025	BUY Exercise of conversion of derivative security	-	2,646 Added 4.99%	50,403 Common Stock
Oct 03 2024	SELL Open market or private sale	$6,587 $1.96 p/Share	3,361 Reduced 6.57%	47,757 Common Stock
Oct 02 2024	SELL Open market or private sale	$9,710 $2.0 p/Share	4,855 Reduced 8.67%	51,118 Common Stock
Oct 01 2024	BUY Exercise of conversion of derivative security	-	30,000 Added 34.89%	55,973 Common Stock
Jan 16 2024	SELL Open market or private sale	$13,617 $2.71 p/Share	5,025 Reduced 17.72%	23,328 Common Stock
Jan 15 2024	BUY Exercise of conversion of derivative security	-	5,352 Added 15.88%	28,353 Common Stock
Jan 14 2024	BUY Exercise of conversion of derivative security	-	4,783 Added 17.21%	23,001 Common Stock
Jan 13 2024	BUY Exercise of conversion of derivative security	-	2,645 Added 12.68%	18,218 Common Stock
Jan 17 2023	SELL Open market or private sale	$20,520 $5.74 p/Share	3,575 Reduced 20.79%	13,619 Common Stock
Jan 15 2023	BUY Exercise of conversion of derivative security	-	5,352 Added 23.74%	17,194 Common Stock
Jan 14 2023	BUY Exercise of conversion of derivative security	-	4,784 Added 28.77%	11,842 Common Stock
Jan 18 2022	SELL Open market or private sale	$11,733 $5.92 p/Share	1,982 Reduced 37.03%	3,371 Common Stock
Jan 14 2022	BUY Exercise of conversion of derivative security	-	5,353 Added 50.0%	5,353 Common Stock
Jul 01 2021	SELL Open market or private sale	$12,811 $13.6 p/Share	942 Reduced 100.0%	0 Common Stock
Jan 19 2021	SELL Open market or private sale	$11,598 $21.28 p/Share	545 Reduced 100.0%	0 Common Stock
Jan 15 2021	SELL Payment of exercise price or tax liability	$6,095 $21.09 p/Share	289 Reduced 34.65%	545 Common Stock
Jan 15 2021	BUY Exercise of conversion of derivative security	-	834 Added 50.0%	834 Common Stock
Jan 04 2021	SELL Open market or private sale	$6,610 $26.76 p/Share	247 Reduced 100.0%	0 Common Stock

Ashish Mandelia

VP, Chief Accounting Officer

Cambridge, MA

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