Mersana Therapeutics (MRSN) director Dere received 61,500 Stock Option (right to buy)
Stocks in this Quantisnow insightHealth Care
Insider transactions reported
Willard H Dere (director at Mersana Therapeutics Inc., MRSN) reported that they received 61,500 Stock Option (right to buy) on Jun 12, 2025.
- Reporting person
- Dere Willard H
Options and other derivatives
| Date | Type | Security | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| Jun 12, 2025 | Grant or award (A) | Stock Option (right to buy)On 61,500 Common Stock1 | +61,500 | - | - | 61,500 direct |
Holdings before and after
- Stock Option (right to buy): 0 to 61,500 direct
Footnotes from the filing
- 1. The award will vest in full on the earlier of the first anniversary of the date of grant or the date of the 2026 Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continuous service with the Issuer on such vesting date.
Transaction codes in this filing
- Grant or award:
- Code A marks a grant or award from the company under an exempt employee or director plan. Usually nothing is paid for it.
FAQ
What did Dere report in this MRSN Form 4?
Willard H Dere (director at Mersana Therapeutics Inc., MRSN) reported that they received 61,500 Stock Option (right to buy) on Jun 12, 2025.
What does transaction code A mean on an SEC Form 4?
Code A marks a grant or award from the company under an exempt employee or director plan. Usually nothing is paid for it.
Historical context for MRSN
Earlier insider filings at MRSN
- Jun 13, 2025SEC Form 4 filed by Director Diaz Allene M.
- Jun 13, 2025SEC Form 4 filed by Director Protopapas Anna
- Jun 13, 2025SEC Form 4 filed by Director Hege Kristen
- Jun 13, 2025SEC Form 4 filed by Director Mott David M
- Jan 18, 2025VP, Chief Accounting Officer Mandelia Ashish converted options into 8,685 shares and sold $2,061 worth of shares (3,554 units at $0.58), increasing direct ownership by 10% to 57,519 units (SEC Form 4)
Keep researching MRSN
- MRSN insider tradesEvery buy and sale reported by Mersana Therapeutics Inc. officers, directors and large holders.
- What is Form 4?The SEC filing that reports a change in an insider's holdings, such as a purchase, sale, option exercise or grant, generally within two business days.
- Form 4 explainedForm 4 is the SEC filing that discloses when officers, directors and 10% owners buy or sell company stock, due within 2 business days. Learn every key field and code.
- Insider trading trackerThe latest insider buys and sales across every stock.
Quantisnow market dataNASDAQ
MRSN
Mersana Therapeutics Inc.
- Market cap
- 30-day
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Listed since
- 2017
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