Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗
Lifetime net: -$762
Reported holding is the most recent post-transaction share count on a Table I row.
How quickly this filer reports. Section 16 allows two business days from the transaction.
All 1 filing we hold were filed within the two-business-day deadline.
Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings
The 15 most recent Form 4 transactions.
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 700 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 9,309 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 1,190 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 5,246 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 1,053 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 2,646 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 1,853 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 7,734 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | DTOISS◆ | 3,515 | — | — | — | Open the original filing on SEC.gov |
| Jan 6 | MRSN | Mersana Therapeutics, Inc. | UTENDR | 2,927 | — | — | -100.0% | Open the original filing on SEC.gov |
| Oct 27, 2025 | MRSN | Mersana Therapeutics, Inc. | SSELL◷ | 77 | $9.90 | $762 | -2.6% | Open the original filing on SEC.gov |
| Oct 25, 2025 | MRSN | Mersana Therapeutics, Inc. | MEXER◷◆ | 250 | — | — | — | Open the original filing on SEC.gov |
| Oct 25, 2025 | MRSN | Mersana Therapeutics, Inc. | MEXER◷ | 250 | — | — | +9.1% | Open the original filing on SEC.gov |