De Schuytner Brian Insider Trades

Insider Trading History

Track insider trading activity for De Schuytner Brian. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, COO & CFO
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$146k 5,015 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
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.
$225k 7,734 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
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.
$163k 5,590 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
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.
$77.7k 2,671 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
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.
$121k 4,172 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
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.
$72.7k 2,500 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
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.
$186k 6,381 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
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
Mersana Therapeutics
Mersana Therapeutics MRSN
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.
$274k 9,422 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, COO And CFO
Holding Value $1.45M 50,000 shares
Last Trade
Sep 05, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.43M 50,000 shares
$28.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $953k 32,781 shares
Last Trade
Jan 17, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$738k 5,131 shares
$143.75
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $115k 3,958 shares
Last Trade
Jan 15, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$600k 3,958 shares
$151.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $1.1M 37,912 shares
Last Trade
Jan 15, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$600k 3,958 shares
$151.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $364k 12,500 shares
Last Trade
Jan 15, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$947k 6,250 shares
$151.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $987k 33,954 shares
Last Trade
Jan 15, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$947k 6,250 shares
$151.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $545k 18,750 shares
Last Trade
Jan 14, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$947k 6,250 shares
$151.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $806k 27,704 shares
Last Trade
Jan 14, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$947k 6,250 shares
$151.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $1.16M 40,000 shares
Last Trade
Jan 13, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$6.06M 40,000 shares
$151.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Svp, Chief Financial Officer
Holding Value $5.23M 180,000 shares
Last Trade
Jan 13, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$27.3M 180,000 shares
$151.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Chief Financial Officer
Holding Value $230k 7,916 shares
Last Trade
Jan 14, 2022 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$621k 3,958 shares
$157.00
$29.08

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