Mersana Therapeutics Insider Trades

MRSN

Track insider trading activity from Mersana Therapeutics executives and directors. See which insiders are buying and selling MRSN stock.

Trades Last 12 Months

MRSN Price

All Insider Trades for Mersana Therapeutics

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$428k 14,703 shares
$29.08
$29.08
Bala Mohan Svp, Chief Development
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$798k 27,435 shares
$29.08
$29.08
Carvajal Alejandra Svp, Chief Legal Officer
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$91k 3,131 shares
$29.08
$29.08
Dere Willard H Director
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$45.6k 1,567 shares
$29.08
$29.08
De Schuytner Brian Svp, COO & CFO
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$123k 4,218 shares
$29.08
$29.08
Diaz Allene M. Director
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$267k 9,181 shares
$29.08
$29.08
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$10.1M 346,545 shares
$29.08
$29.08
Hege Kristen Director
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$410k 14,082 shares
$29.08
$29.08
Huber Martin H. Jr. President, CEO
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$278k 9,573 shares
$29.08
$29.08
Lowinger Timothy B Svp, Chief Sci.&tech. Officer
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$304k 10,466 shares
$29.08
$29.08
Mandelia Ashish Vp, Chief Accounting Officer
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$276k 9,478 shares
$29.08
$29.08
Mott David M Director
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$11.1k 383 shares
$29.08
$29.08
Protopapas Anna Director
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$279k 9,609 shares
$29.08
$29.08
Deschuytner Brian Svp, COO & CFO
Holding Value $3.53M 121,393 shares
Last Trade
Jan 16, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$130k 8,470 shares
$15.35
$29.08
Ecor1 Capital, Llc 10% owner
Holding Value $329M 11,328,000 shares
Last Trade
Dec 19, 2024 Sale (Other)Another type of insider transaction reported on SEC Form 4.
$350M 8,036,688 shares
$43.50
$29.08
Misra Tushar Svp, Chief Manuf. Officer
Holding Value $522k 17,966 shares
Last Trade
Jan 16, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$227k 3,357 shares
$67.75
$29.08
Yang Arvin Svp, Chief Medical Officer
Holding Value $896k 30,821 shares
Last Trade
Jan 17, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$318k 2,209 shares
$143.75
$29.08
Kaufman Michael J. Chief Manufacturing Officer
Holding Value $949k 32,622 shares
Last Trade
Jul 19, 2021 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.88M 6,312 shares
$298.00
$29.08
Kerins Patrick J 10% owner
Holding Value $291k 10,000 shares
Last Trade
Sep 14, 2020 Purchase (Other)Another type of insider transaction reported on SEC Form 4.
$6.04M 10,000 shares
$604.25
$29.08
Sonsini Peter W. 10% owner
Holding Value $582k 20,000 shares
Last Trade
Sep 14, 2020 Purchase (Other)Another type of insider transaction reported on SEC Form 4.
$18.6M 30,844 shares
$604.25
$29.08

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