Insider Trading & Ownership - Kaufman Michael J.

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Kaufman Michael J.
Common stock purchase or sale:
Transaction
Date		Reported
DateTime		CompanySymbolInsider
Relationship		Shares
Traded		Average
Price		Total
Amount		Shares
Owned		Filing
2021-07-16
Sale		2021-07-19
8:50 pm		Mersana Therapeutics Inc.MRSNKaufman Michael J.
Chief Manufacturing Officer		12,088$12.24$147,89732,622
(Direct)		View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date		Reported
DateTime		Exercisable
Expiration		CompanySymnbolInsider
Relationship		Shares
Traded		Conversion
Price		Shares
Owned		Filing
2021-07-15
Exercise		2021-07-19
8:50 pm		N/A
N/A		Mersana Therapeutics Inc.MRSNKaufman Michael J.
Chief Manufacturing Officer		40,000$032,622
(Direct)		View
2021-01-15
Option Award		2021-01-20
7:04 pm		N/A
2031-01-15		Mersana Therapeutics Inc.MRSNKaufman Michael J.
Sr VP, Chemistry, Man.&Control		137,500$0162,210
(Direct)		View
2021-01-15
Exercise		2021-01-20
7:04 pm		N/A
N/A		Mersana Therapeutics Inc.MRSNKaufman Michael J.
Sr VP, Chemistry, Man.&Control		6,667$0162,210
(Direct)		View
2021-01-15
Tax Withholding		2021-01-20
7:04 pm		N/A
N/A		Mersana Therapeutics Inc.MRSNKaufman Michael J.
Sr VP, Chemistry, Man.&Control		1,957$21.09162,210
(Direct)		View
2020-01-15
Option Award		2020-01-16
4:31 pm		N/A
2030-01-15		Mersana Therapeutics Inc.MRSNKaufman Michael J.
Sr., VP, CHEM., MFG,Controls		146,667$0146,667
(Direct)		View
2019-07-17
Option Award		2019-07-19
4:02 pm		N/A
N/A		Mersana Therapeutics Inc.MRSNKaufman Michael J.
Sr VP Chemistry, Man. & Contol		40,000$040,000
(Direct)		View