// company-profile
Mersana Therapeutics, Inc. Insider Trading
MRSNEvery SEC Form 4 insider trading filing for Mersana Therapeutics, Inc. (MRSN) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
SectorPharmaceutical PreparationsInc.DEFilings104Insiders15
// api This Mersana Therapeutics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
curl "https://api.form4api.com/v1/transactions?ticker=MRSN" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for MRSN in the last 90 days.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jan 6, 2026 | Alleva Lawrence M | MRSN | U | 578 | — | — |
| Jan 6, 2026 | Alleva Lawrence M | MRSN | Disposition | 310 | — | — |
| Jan 6, 2026 | Alleva Lawrence M | MRSN | Disposition | 500 | — | — |
| Jan 6, 2026 | Alleva Lawrence M | MRSN | Disposition | 368 | — | — |
| Jan 6, 2026 | Alleva Lawrence M | MRSN | Disposition | 734 | — | — |
45 more transactions hidden
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