Lowinger Timothy B

Insider CIK 1709775 · MRSN SVP, Chief Sci.&Tech. Officer

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	750	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	192	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	1,040	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	5,891	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	858	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	3,234	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	215	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	4,974	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	275	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	3,090	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	920	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	419	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	713	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	1,578	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	696	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	6,702	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	3,047	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	1,500	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	2,166	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	1,834	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	D To issuer deriv	2026-01-06	2026-01-06	7,959	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	U Tender	2026-01-06	2026-01-06	10,466	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2025-01-16	2025-01-17	8,048	$0.58	$4.7K	257,673	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2025-01-15	2025-01-17	54,167	—	$0	54,167	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2025-01-15	2025-01-17	7,291	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2025-01-15	2025-01-17	243,750	—	$0	243,750	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2025-01-15	2025-01-17	12,500	—	$0	37,500	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2025-01-15	2025-01-16	1,794	$0.63	$1.1K	245,930	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2025-01-15	2025-01-17	12,500	—	$0	265,721	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2025-01-15	2025-01-17	7,291	—	$0	253,221	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2025-01-14	2025-01-16	4,792	—	$0	4,791	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2025-01-14	2025-01-15	3,483	$0.66	$2.3K	242,932	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2025-01-14	2025-01-16	4,792	—	$0	247,724	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2025-01-13	2025-01-15	9,375	—	$0	18,750	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2025-01-13	2025-01-15	9,375	—	$0	246,415	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2024-10-03	2024-10-07	5,598	$1.96	$11.0K	235,642	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2024-10-02	2024-10-07	8,089	$2.00	$16.2K	241,240	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2024-10-01	2024-10-07	50,000	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2024-10-01	2024-10-07	50,000	—	$0	249,329	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2024-01-16	2024-01-17	10,409	$2.71	$28.2K	199,329	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2024-01-15	2024-01-17	50,000	—	$0	50,000	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2024-01-15	2024-01-17	7,916	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2024-01-15	2024-01-17	225,000	—	$0	225,000	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2024-01-15	2024-01-17	7,292	—	$0	7,291	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2024-01-15	2024-01-17	7,292	—	$0	201,822	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2024-01-15	2024-01-17	7,916	—	$0	209,738	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2024-01-14	2024-01-17	4,792	—	$0	9,583	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2024-01-14	2024-01-17	4,792	—	$0	194,530	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2024-01-13	2024-01-17	9,375	—	$0	28,125	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2024-01-13	2024-01-17	9,375	—	$0	189,738	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2023-09-05	2023-09-07	50,000	—	$0	50,000	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2023-01-17	2023-01-18	6,233	$5.74	$35.8K	180,363	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2023-01-15	2023-01-18	7,292	—	$0	14,583	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2023-01-15	2023-01-18	7,917	—	$0	7,916	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2023-01-15	2023-01-18	7,917	—	$0	186,596	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2023-01-15	2023-01-18	7,292	—	$0	178,679	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2023-01-14	2023-01-18	4,792	—	$0	14,375	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2023-01-14	2023-01-18	4,792	—	$0	171,387	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2023-01-13	2023-01-18	37,500	—	$0	37,500	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2023-01-13	2023-01-18	168,750	—	$0	168,750	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2022-12-14	2022-12-16	11,111	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2022-12-14	2022-12-16	24,250	—	$0	103,868	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2022-12-14	2022-12-16	24,250	$1.53	$37.1K	166,595	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2022-12-14	2022-12-16	11,111	$1.40	$15.6K	142,345	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2022-01-18	2022-01-19	4,741	$5.92	$28.1K	131,234	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2022-01-14	2022-01-19	19,167	—	$0	19,167	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2022-01-14	2022-01-19	7,917	—	$0	15,833	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2022-01-14	2022-01-19	86,250	—	$0	86,250	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2022-01-14	2022-01-19	7,292	—	$0	21,875	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2022-01-14	2022-01-19	15,209	—	$0	135,975	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-12-20	2021-12-20	45,593	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-12-20	2021-12-20	45,593	$1.40	$63.8K	120,766	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-08-20	2021-08-24	2,216	—	$0	77,195	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-08-20	2021-08-24	2,216	$6.16	$13.7K	77,389	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-08-20	2021-08-24	2,216	$11.01	$24.4K	75,173	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-07-20	2021-07-22	2,227	—	$0	79,411	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-07-20	2021-07-22	2,227	$6.16	$13.7K	77,400	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-07-20	2021-07-22	2,227	$12.11	$27.0K	75,173	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-07-19	2021-07-19	8,496	$12.02	$102.1K	75,173	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-07-16	2021-07-19	7,775	$12.47	$97.0K	83,669	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-07-15	2021-07-19	40,000	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-07-15	2021-07-19	40,000	—	$0	91,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-07-08	2021-07-09	20,000	—	$0	45,593	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-07-08	2021-07-09	20,000	$1.40	$28.0K	51,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-07-01	2021-07-02	1,877	—	$0	10,303	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-07-01	2021-07-02	9	—	$0	81,638	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-07-01	2021-07-02	1,877	$3.51	$6.6K	33,321	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-07-01	2021-07-02	9	$6.16	$55	33,330	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-07-01	2021-07-02	1,886	$13.60	$25.6K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-06-21	2021-06-23	2	—	$0	12,180	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-06-21	2021-06-23	2,218	—	$0	81,647	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-06-21	2021-06-23	2	$3.51	$7	31,446	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-06-21	2021-06-23	2	$13.78	$28	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-06-21	2021-06-23	2,218	$6.16	$13.7K	33,662	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-06-21	2021-06-23	2,218	$13.78	$30.6K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-05-20	2021-05-24	2,227	—	$0	83,865	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-05-20	2021-05-24	1,875	—	$0	12,182	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-05-20	2021-05-24	2,227	$14.10	$31.4K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-05-20	2021-05-24	1,875	$14.10	$26.4K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-05-20	2021-05-24	1,875	$3.51	$6.6K	33,319	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-05-20	2021-05-24	2,227	$6.16	$13.7K	33,671	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-04-20	2021-04-22	1,875	—	$0	14,057	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-04-20	2021-04-22	2,227	—	$0	86,092	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-04-20	2021-04-22	2,227	$6.16	$13.7K	33,671	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-04-20	2021-04-22	2,227	$15.91	$35.4K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-04-20	2021-04-22	1,875	$3.51	$6.6K	33,319	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-04-20	2021-04-22	1,875	$15.91	$29.8K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-03-22	2021-03-24	2,227	—	$0	90,546	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-03-22	2021-03-24	1,874	—	$0	17,807	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-03-22	2021-03-24	2,227	—	$0	88,319	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-03-22	2021-03-24	1,875	—	$0	15,932	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-03-22	2021-03-24	2,227	$6.16	$13.7K	33,671	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-03-22	2021-03-24	1,874	$17.50	$32.8K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-03-22	2021-03-24	2,227	$17.50	$39.0K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-03-22	2021-03-24	1,875	$17.50	$32.8K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-03-22	2021-03-24	1,875	$3.51	$6.6K	33,319	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-03-22	2021-03-24	2,227	$17.50	$39.0K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-03-22	2021-03-24	2,227	$6.16	$13.7K	33,671	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-03-22	2021-03-24	1,874	$3.51	$6.6K	33,318	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-02-22	2021-02-24	1,874	—	$0	21,556	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-02-22	2021-02-24	2,227	—	$0	95,000	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-02-22	2021-02-24	1,875	—	$0	19,681	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-02-22	2021-02-24	2,227	—	$0	92,773	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-02-22	2021-02-24	2,227	$20.01	$44.6K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-02-22	2021-02-24	2,227	$6.16	$13.7K	33,671	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-02-22	2021-02-24	1,875	$20.01	$37.5K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-02-22	2021-02-24	1,875	$3.51	$6.6K	33,319	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-02-22	2021-02-24	1,874	$3.51	$6.6K	33,318	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-02-22	2021-02-24	1,874	$20.01	$37.5K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-02-22	2021-02-24	2,227	$6.16	$13.7K	33,671	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-02-22	2021-02-24	2,227	$20.01	$44.6K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-01-20	2021-01-22	2,227	—	$0	99,454	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-01-20	2021-01-22	1,874	—	$0	25,305	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-01-20	2021-01-22	1,875	—	$0	23,430	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-01-20	2021-01-22	2,227	—	$0	97,227	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-01-20	2021-01-22	2,227	$21.54	$48.0K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-01-20	2021-01-22	2,227	$21.54	$48.0K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-01-20	2021-01-22	1,875	$3.51	$6.6K	33,319	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-01-20	2021-01-22	1,875	$21.54	$40.4K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-01-20	2021-01-22	2,227	$6.16	$13.7K	33,671	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-01-20	2021-01-22	2,227	$6.16	$13.7K	33,671	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-01-20	2021-01-22	1,874	$3.51	$6.6K	33,318	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2021-01-20	2021-01-22	1,874	$21.54	$40.4K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2021-01-15	2021-01-20	29,167	—	$0	29,167	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2021-01-15	2021-01-20	131,250	—	$0	131,250	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2021-01-15	2021-01-20	7,917	—	$0	23,750	SEC↗
MRSN Mersana Therapeutics, Inc.	F Tax w/h	2021-01-15	2021-01-20	2,324	$21.09	$49.0K	31,444	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2021-01-15	2021-01-20	7,917	—	$0	33,768	SEC↗
[MRSN] Mersana Therapeutics, Inc.	M Exercise deriv	2020-12-28	2020-12-30	9,000	—	$0	65,593	SEC↗
[MRSN] Mersana Therapeutics, Inc.	M Exercise	2020-12-28	2020-12-30	9,000	$1.40	$12.6K	25,851	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-12-21	2020-12-22	1,874	—	$0	29,054	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-12-21	2020-12-22	2,227	—	$0	103,908	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-12-21	2020-12-22	1,875	—	$0	27,179	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-12-21	2020-12-22	2,227	—	$0	101,681	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-12-21	2020-12-22	2,227	$25.59	$57.0K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-12-21	2020-12-22	1,874	$25.59	$48.0K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-12-21	2020-12-22	1,874	$3.51	$6.6K	1,874	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-12-21	2020-12-22	2,227	$25.60	$57.0K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-12-21	2020-12-22	2,227	$6.16	$13.7K	2,227	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-12-21	2020-12-22	1,875	$3.51	$6.6K	1,875	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-12-21	2020-12-22	1,875	$25.60	$48.0K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-12-21	2020-12-22	2,227	$6.16	$13.7K	2,227	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-11-20	2020-11-24	2,227	—	$0	106,135	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-11-20	2020-11-24	1,874	—	$0	32,803	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-11-20	2020-11-24	2,227	—	$0	108,362	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-11-20	2020-11-24	1,875	—	$0	30,928	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-11-20	2020-11-24	2,227	$23.06	$51.4K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-11-20	2020-11-24	2,227	$6.16	$13.7K	2,227	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-11-20	2020-11-24	1,874	$23.06	$43.2K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-11-20	2020-11-24	2,227	$23.04	$51.3K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-11-20	2020-11-24	1,875	$3.51	$6.6K	1,875	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-11-20	2020-11-24	1,875	$23.04	$43.2K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-11-20	2020-11-24	2,227	$6.16	$13.7K	2,227	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-11-20	2020-11-24	1,874	$3.51	$6.6K	1,874	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-10-21	2020-10-22	1,874	—	$0	34,677	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-10-21	2020-10-22	2,227	—	$0	110,589	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-10-21	2020-10-22	2,227	$6.16	$13.7K	19,078	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-10-21	2020-10-22	1,874	$17.50	$32.8K	16,851	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-10-21	2020-10-22	1,874	$3.51	$6.6K	18,725	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-10-21	2020-10-22	2,227	$17.50	$39.0K	16,851	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-10-20	2020-10-22	1,611	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-10-20	2020-10-22	2,227	—	$0	112,816	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-10-20	2020-10-22	1,875	—	$0	36,551	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-10-20	2020-10-22	15,240	—	$0	74,593	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-10-20	2020-10-22	15,240	$1.40	$21.3K	16,851	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-10-20	2020-10-22	1,611	$7.43	$12.0K	1,611	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-10-20	2020-10-22	2,227	$16.74	$37.3K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-10-20	2020-10-22	2,227	$6.16	$13.7K	2,227	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-10-20	2020-10-22	1,875	$16.74	$31.4K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-10-20	2020-10-22	1,875	$3.51	$6.6K	1,875	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-09-21	2020-09-23	4,454	—	$0	115,043	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2020-09-21	2020-09-23	3,749	—	$0	38,426	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-09-21	2020-09-23	12,411	$20.66	$256.4K	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-09-21	2020-09-23	3,749	$3.51	$13.2K	16,160	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-09-21	2020-09-23	3,749	$20.66	$77.5K	12,411	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2020-09-21	2020-09-23	4,454	$20.66	$92.0K	12,411	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2020-09-21	2020-09-23	4,454	$6.16	$27.4K	16,865	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2020-01-15	2020-01-16	31,667	—	$0	31,667	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2020-01-15	2020-01-16	142,500	—	$0	142,500	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2019-07-17	2019-07-19	40,000	—	$0	40,000	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2019-01-23	2019-01-25	60,000	—	$0	60,000	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2018-09-24	2018-09-25	3,500	—	$0	89,833	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2018-09-24	2018-09-25	3,500	$11.63	$40.7K	12,491	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2018-09-24	2018-09-25	3,500	$1.40	$4.9K	15,991	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2018-08-27	2018-08-29	3,500	—	$0	1,611	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2018-08-27	2018-08-29	3,500	$13.15	$46.0K	12,491	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2018-08-27	2018-08-29	3,500	$7.43	$26.0K	15,991	SEC↗
MRSN Mersana Therapeutics, Inc.	S Sale	2018-07-23	2018-07-25	3,500	$11.06	$38.7K	12,491	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2018-07-03	2018-07-05	10,000	—	$0	93,333	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2018-07-03	2018-07-05	10,000	$1.40	$14.0K	15,991	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise deriv	2018-02-21	2018-02-23	5,911	—	$0	0	SEC↗
MRSN Mersana Therapeutics, Inc.	M Exercise	2018-02-21	2018-02-23	5,911	$6.98	$41.3K	5,911	SEC↗
MRSN Mersana Therapeutics, Inc.	A Award deriv	2018-02-02	2018-02-06	56,884	—	$0	56,884	SEC↗