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$MRSN All transactions

Mersana Therapeutics, Inc.

A

$ Value

$0

Shares

61,500

Price

$0

Filed

Jun 13

Insider

Name

Diaz Allene M.

Title

CIK

0001773314

Roles

Director

Transaction Details

Transaction Date

2025-06-12

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

61,500

Footnotes

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.

Filing Info

Accession No.

0001104659-25-059436

Form Type

4

Issuer CIK

0001442836

Diaz Allene M.'s History

Date Ticker Type Value
2026-01-06 MRSN U
2026-01-06 MRSN D
2026-01-06 MRSN D
2026-01-06 MRSN D
2026-01-06 MRSN D
2026-01-06 MRSN D
2026-01-06 MRSN D
2025-08-22 IONS $61K
2025-07-15 IONS M $0
2025-07-15 IONS M $0

Other Insiders at MRSN (90d)

No other insider activity at this issuer in the last 90 days.