Home/Filings/4/0001104659-25-059443
4//SEC Filing

Dere Willard H 4

Accession 0001104659-25-059443

CIK 0001442836other

Filed

Jun 12, 8:00 PM ET

Accepted

Jun 13, 5:02 PM ET

Size

5.6 KB

Accession

0001104659-25-059443

Insider Transaction Report

Form 4
Period: 2025-06-12
Transactions
  • Award

    Stock Option (right to buy)

    2025-06-12+61,50061,500 total
    Exercise: $0.36Exp: 2035-06-11Common Stock (61,500 underlying)
Footnotes (1)
  • [F1]The award will vest in full on the earlier of the first anniversary of the date of grant or the date of the 2026 Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continuous service with the Issuer on such vesting date.

Issuer

Mersana Therapeutics, Inc.

CIK 0001442836

Entity typeother

Related Parties

1
  • filerCIK 0001311569

Filing Metadata

Form type
4
Filed
Jun 12, 8:00 PM ET
Accepted
Jun 13, 5:02 PM ET
Size
5.6 KB