Timothy B Lowinger is SVP, Chief Sci.&Tech. Officer of Mersana Therapeutics, Inc.. Currently has a direct ownership of 199,329 shares of MRSN, which is worth approximately $269,094. The most recent transaction as insider was on Apr 20, 2021, when has been sold 4,102 shares (Common Stock) at a price of $15.91 per share, resulting in proceeds of $65,263. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 199K
0% 3M change
10.52% 12M change
Total Value Held $269,094

Timothy B Lowinger Transaction History

Date Transaction Value Shares Traded Shares Held Form
Apr 20 2021
SELL
Open market or private sale
$65,263 $15.91 p/Share
4,102 Reduced 11.54%
31,444 Common Stock
Apr 20 2021
BUY
Exercise of conversion of derivative security
$19,854 $4.84 p/Share
4,102 Added 10.86%
33,671 Common Stock
Mar 22 2021
SELL
Open market or private sale
$143,552 $17.5 p/Share
8,203 Reduced 20.69%
31,444 Common Stock
Mar 22 2021
BUY
Exercise of conversion of derivative security
$39,703 $4.84 p/Share
8,203 Added 19.59%
33,671 Common Stock
Feb 22 2021
SELL
Open market or private sale
$164,142 $20.01 p/Share
8,203 Reduced 20.69%
31,444 Common Stock
Feb 22 2021
BUY
Exercise of conversion of derivative security
$39,703 $4.84 p/Share
8,203 Added 19.59%
33,671 Common Stock
Jan 20 2021
SELL
Open market or private sale
$176,693 $21.54 p/Share
8,203 Reduced 20.69%
31,444 Common Stock
Jan 20 2021
BUY
Exercise of conversion of derivative security
$39,703 $4.84 p/Share
8,203 Added 19.59%
33,671 Common Stock
Jan 15 2021
SELL
Payment of exercise price or tax liability
$49,013 $21.09 p/Share
2,324 Reduced 6.88%
31,444 Common Stock
Jan 15 2021
BUY
Exercise of conversion of derivative security
-
7,917 Added 18.99%
33,768 Common Stock
Dec 28 2020
BUY
Exercise of conversion of derivative security
$12,600 $1.4 p/Share
9,000 Added 25.82%
25,851 Common Stock
Dec 21 2020
SELL
Open market or private sale
$209,997 $25.6 p/Share
8,203 Reduced 100.0%
0 Common Stock
Dec 21 2020
BUY
Exercise of conversion of derivative security
$39,703 $4.84 p/Share
8,203 Added 78.65%
2,227 Common Stock
Nov 20 2020
SELL
Open market or private sale
$189,079 $23.05 p/Share
8,203 Reduced 100.0%
0 Common Stock
Nov 20 2020
BUY
Exercise of conversion of derivative security
$39,703 $4.84 p/Share
8,203 Added 78.65%
2,227 Common Stock
Oct 21 2020
SELL
Open market or private sale
$71,768 $17.5 p/Share
4,101 Reduced 19.57%
16,851 Common Stock
Oct 21 2020
BUY
Exercise of conversion of derivative security
$19,849 $4.84 p/Share
4,101 Added 17.69%
19,078 Common Stock
Oct 20 2020
SELL
Open market or private sale
$68,667 $16.74 p/Share
4,102 Reduced 100.0%
0 Common Stock
Oct 20 2020
BUY
Exercise of conversion of derivative security
$97,012 $4.63 p/Share
20,953 Added 55.43%
16,851 Common Stock
TBL

Timothy B Lowinger

SVP, Chief Sci.&Tech. Officer
Cambridge, MA

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