Timothy B Lowinger

Insider Reports History

Location
Cambridge, MA
Signature
/s/ Timothy B Lowinger
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Timothy B Lowinger:

Company Role Class Num Shares Value Price $ Report Date Ownership
Mersana Therapeutics, Inc. SVP, Chief Sci.&Tech. Officer Restricted Stock Units 0 $135,500 $2.71 06 Jan 2026 Direct
Mersana Therapeutics, Inc. SVP, Chief Sci.&Tech. Officer Restricted Stock Unit 54,167 $31,417 $0.5800 15 Jan 2025 Direct
Mersana Therapeutics, Inc. SVP, Chief Sci.&Tech. Officer Common Stock 0 $0 $28.14 06 Jan 2026 Direct
Mersana Therapeutics, Inc. SVP, Chief Sci.&Tech. Officer Stock Option (right to buy) 0 06 Jan 2026 Direct

Insider Reports Filed by Timothy B Lowinger

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MRSN Mersana Therapeutics, Inc. 06 Jan 2026 22 $0 4 SVP, Chief Sci.&Tech. Officer 06 Jan 2026, 16:40
MRSN Mersana Therapeutics, Inc. 15 Jan 2025 7 -$4,668 4 SVP, Chief Sci.&Tech. Officer 17 Jan 2025, 19:25
MRSN Mersana Therapeutics, Inc. 14 Jan 2025 3 -$1,130 4 SVP, Chief Sci.&Tech. Officer 16 Jan 2025, 17:24
MRSN Mersana Therapeutics, Inc. 13 Jan 2025 3 -$2,299 4 SVP, Chief Sci.&Tech. Officer 15 Jan 2025, 21:18
MRSN Mersana Therapeutics, Inc. 01 Oct 2024 4 -$27,150 4 SVP, Chief Sci.&Tech. Officer 07 Oct 2024, 17:46
MRSN Mersana Therapeutics, Inc. 13 Jan 2024 11 -$28,208 4 SVP, Chief Sci.&Tech. Officer 17 Jan 2024, 17:19
MRSN Mersana Therapeutics, Inc. 05 Sep 2023 1 $0 4 SVP, Chief Sci.&Tech. Off. 07 Sep 2023, 18:57
MRSN Mersana Therapeutics, Inc. 13 Jan 2023 9 -$35,777 4 SVP, Chief Sci.&Tech. Off. 18 Jan 2023, 19:14
MRSN Mersana Therapeutics, Inc. 14 Dec 2022 4 +$52,658 4 SVP, Chief Sci.&Tech. Off. 16 Dec 2022, 15:46
MRSN Mersana Therapeutics, Inc. 14 Jan 2022 6 -$28,067 4 Chief Science & Tech Off. 19 Jan 2022, 17:25
MRSN Mersana Therapeutics, Inc. 20 Dec 2021 2 +$63,830 4 Chief Science & Tech. Officer 20 Dec 2021, 16:01
MRSN Mersana Therapeutics, Inc. 20 Aug 2021 3 -$10,748 4 Chief Science & Tech. Officer 24 Aug 2021, 16:31
MRSN Mersana Therapeutics, Inc. 20 Jul 2021 3 -$13,251 4 Chief Science & Tech. Officer 22 Jul 2021, 16:32
MRSN Mersana Therapeutics, Inc. 15 Jul 2021 4 -$199,076 4 Chief Science & Tech. Officer 19 Jul 2021, 20:50
MRSN Mersana Therapeutics, Inc. 08 Jul 2021 2 +$28,000 4 CS & Technology Officer 09 Jul 2021, 17:25
MRSN Mersana Therapeutics, Inc. 01 Jul 2021 5 -$19,006 4 CS & Technology Officer 02 Jul 2021, 16:32
MRSN Mersana Therapeutics, Inc. 21 Jun 2021 6 -$16,922 4 Chief Science & Tech. Officer 23 Jun 2021, 16:30
MRSN Mersana Therapeutics, Inc. 20 May 2021 6 -$37,539 4 Chief Science & Tech. Officer 24 May 2021, 16:30