Insider · CIK 0001709775
Timothy B Lowinger
Files at: MRSN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 24, 2018 SForm 4 → | Sep 25, 5:07 pm EDT | Mersana Therapeutics, Inc.MRSN | 3,500 | $11.63 | $40,705 | 12,491 | −21.9% | plan? |
| Sep 24, 2018 MForm 4 → | Sep 25, 5:07 pm EDT | Mersana Therapeutics, Inc.MRSN | 3,500 | $1.40 | $4,900 | 15,991 | — | plan? |
| Aug 27, 2018 SForm 4 → | Aug 29, 4:24 pm EDT | Mersana Therapeutics, Inc.MRSN | 3,500 | $13.15 | $46,025 | 12,491 | −21.9% | plan? |
| Aug 27, 2018 MForm 4 → | Aug 29, 4:24 pm EDT | Mersana Therapeutics, Inc.MRSN | 3,500 | $7.43 | $26,005 | 15,991 | — | plan? |
| Jul 23, 2018 SForm 4 → | Jul 25, 4:04 pm EDT | Mersana Therapeutics, Inc.MRSN | 3,500 | $11.06 | $38,710 | 12,491 | −21.9% | plan? |
| Jul 3, 2018 MForm 4 → | Jul 5, 6:59 pm EDT | Mersana Therapeutics, Inc.MRSN | 10,000 | $1.40 | $14,000 | 15,991 | — | plan? |
| Feb 21, 2018 MForm 4 → | Feb 23, 4:01 pm EST | Mersana Therapeutics, Inc.MRSN | 5,911 | $6.98 | $41,259 | 5,911 | — | plan? |
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 | — | |
| Sep 24, 2018 MForm 4 → | Sep 25, 5:07 pm EDT | Mersana Therapeutics, Inc.MRSN | 3,500 | — | — | 89,833 | — | |
| Aug 27, 2018 MForm 4 → | Aug 29, 4:24 pm EDT | Mersana Therapeutics, Inc.MRSN | 3,500 | — | — | 1,611 | — | |
| Jul 3, 2018 MForm 4 → | Jul 5, 6:59 pm EDT | Mersana Therapeutics, Inc.MRSN | 10,000 | — | — | 93,333 | — | |
| Feb 21, 2018 MForm 4 → | Feb 23, 4:01 pm EST | Mersana Therapeutics, Inc.MRSN | 5,911 | — | — | 0 | — | |
| Feb 2, 2018 AForm 4 → | Feb 6, 4:28 pm EST | Mersana Therapeutics, Inc.MRSN | 56,884 | — | — | 56,884 | — |