MRSN Smart Money
Mersana Therapeutics, Inc.
1W: -0.2%
1M: +5.5%
3M: +264.4%
1Y: -22.9%
3Y: -80.0%
5Y: -95.8%
$29.08
Last traded 2025-12-31 — delisted
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🏦 Institutional Activity
Latest: Q2 20261
Institutions Holding
-47 vs prior
0.0%
Ownership
-0.00%
0
New
0
Increased
1
Reduced
1
Closed
👔 Insider Trades
20 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-01-06 | Alleva Lawrence M | director | U-Disposition Tender | 578 | $— | $0 | Filing |
| 2026-01-06 | Alleva Lawrence M | director | U-Disposition Tender | 84 | $— | $0 | Filing |
| 2026-01-06 | Bala Mohan | officer: svp, chief development | U-Disposition Tender | 2,927 | $— | $0 | Filing |
| 2026-01-06 | Carvajal Alejandra | officer: svp, chief legal officer | U-Disposition Tender | 3,131 | $— | $0 | Filing |
| 2026-01-06 | DeSchuytner Brian | officer: svp, coo & cfo | U-Disposition Tender | 5,015 | $— | $0 | Filing |
| 2026-01-06 | Dere Willard H | director | U-Disposition Tender | 1,567 | $— | $0 | Filing |
| 2026-01-06 | Diaz Allene M. | director | U-Disposition Tender | 578 | $— | $0 | Filing |
| 2026-01-06 | Hack Andrew A. F. | director | U-Disposition Tender | 578 | $— | $0 | Filing |
| 2026-01-06 | Hack Andrew A. F. | director | U-Disposition Tender | 346,545 | $— | $0 | Filing |
| 2026-01-06 | Hege Kristen | director | U-Disposition Tender | 578 | $— | $0 | Filing |
| 2026-01-06 | Huber Martin H. Jr. | officer: president, ceo | U-Disposition Tender | 9,573 | $— | $0 | Filing |
| 2026-01-06 | Lowinger Timothy B | officer: svp, chief sci.&tech. officer | U-Disposition Tender | 10,466 | $— | $0 | Filing |
| 2026-01-06 | MOTT DAVID M | director | U-Disposition Tender | 23,546 | $— | $0 | Filing |
| 2026-01-06 | MOTT DAVID M | director | U-Disposition Tender | 383 | $— | $0 | Filing |
| 2026-01-06 | Mandelia Ashish | officer: vp, chief accounting officer | U-Disposition Tender | 2,300 | $— | $0 | Filing |
| 2026-01-06 | Protopapas Anna | director | U-Disposition Tender | 6,721 | $— | $0 | Filing |
| 2026-01-06 | Protopapas Anna | director | U-Disposition Tender | 2,890 | $— | $0 | Filing |
| 2026-01-06 | Protopapas Anna | director | U-Disposition Tender | 9,609 | $— | $0 | Filing |
| 2025-10-27 | Bala Mohan | officer: svp, chief development officer | S-Sale | 77 | $9.90 | $762 | Filing |
| 2025-09-12 | Huber Martin H. Jr. | officer: president, ceo | S-Sale | 2,012 | $7.31 | $15K | Filing |
🏛️ Congressional Trades
0 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| No congressional trades found | |||||
🏦 Top Institutional Holders
1 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 0 | $0K | -3 | 2026-06-30 | Filing |