Insider · CIK 0001709996
Michael J. Kaufman
Files at: MRSN. On EDGAR ↗
Reported trades — common stock
No reported common-stock activity in this period.
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jan 23, 2019 AForm 4 → | Jan 25, 4:06 pm EST | Mersana Therapeutics, Inc.MRSN | 60,000 | — | — | 60,000 | — | |
| Feb 2, 2018 AForm 4 → | Feb 6, 4:25 pm EST | Mersana Therapeutics, Inc.MRSN | 50,057 | — | — | 50,057 | — |