Filing Details
- Accession Number:
- 0001104659-20-107831
- Form Type:
- 4
- Zero Holdings:
- No
- Publication Time:
- 2020-09-23 16:30:18
- Reporting Period:
- 2020-09-21
- Accepted Time:
- 2020-09-23 16:30:18
- SEC Url:
- Form 4 Filing
Issuer
| Cik | Name | Symbol | Sector (SIC) | IRS No |
|---|---|---|---|---|
| 1442836 | Mersana Therapeutics Inc. | MRSN | Pharmaceutical Preparations (2834) | 000000000 |
Insiders
| Cik | Name | Reported Address | Insider Title | Director | Officer | Large Shareholder | Other |
|---|---|---|---|---|---|---|---|
| 1709775 | B Timothy Lowinger | C/O Mersana Therapeutics, Inc. 840 Memorial Drive Cambridge MA 02139 | Chief Science, Tech. Officer | No | Yes | No | No |
Reported Non-Derivative Transactions
| Sec. Name | Acquisiton - Disposition | Date | Amount | Price | Remaning Holdings | Equity Swap Involved | Form Type | Code | Nature of Ownership | Explanation |
|---|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Acquisiton | 2020-09-21 | 3,749 | $3.51 | 16,160 | No | 4 | M | Direct | |
| Common Stock | Disposition | 2020-09-21 | 3,749 | $20.66 | 12,411 | No | 4 | S | Direct | |
| Common Stock | Acquisiton | 2020-09-21 | 4,454 | $6.16 | 16,865 | No | 4 | M | Direct | |
| Common Stock | Disposition | 2020-09-21 | 4,454 | $20.66 | 12,411 | No | 4 | S | Direct | |
| Common Stock | Disposition | 2020-09-21 | 12,411 | $20.66 | 0 | No | 4 | S | Direct |
| Equity Swap Involved | Form Type | Code | Nature of Ownership | Explanation |
|---|---|---|---|---|
| No | 4 | M | Direct | |
| No | 4 | S | Direct | |
| No | 4 | M | Direct | |
| No | 4 | S | Direct | |
| No | 4 | S | Direct |
Reported Derivative Transactions
| Sec. Name | Sec. Type | Acquisiton - Disposition | Date | Amount | Price | Amount - 2 | Price - 2 |
|---|---|---|---|---|---|---|---|
| Common Stock | Stock Option (right to buy) | Disposition | 2020-09-21 | 3,749 | $0.00 | 3,749 | $3.51 |
| Common Stock | Stock Option (right to buy) | Disposition | 2020-09-21 | 4,454 | $0.00 | 4,454 | $6.16 |
| Remaning Holdings | Exercise Date | Expiration Date | Equity Swap Involved | Transaction Form Type | Transaction Code | Nature of Ownership |
|---|---|---|---|---|---|---|
| 38,426 | 2029-01-23 | No | 4 | M | Direct | |
| 115,043 | 2030-01-15 | No | 4 | M | Direct |
Footnotes
- The stock option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2020.
- The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 12, 2020.
- The options vest in equal quarterly installments over the first four years after the vesting commencement date, January 23, 2019.
- The options vest in equal quarterly installments over the first four years after the vesting commencement date, January 15, 2020.
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