Timothy B Lowinger is SVP, Chief Sci.&Tech. Officer of Mersana Therapeutics, Inc.. Currently has a direct ownership of 235,642 shares of MRSN, which is worth approximately $381,740. The most recent transaction as insider was on Oct 03, 2024, when has been sold 5,598 shares (Common Stock) at a price of $1.96 per share, resulting in proceeds of $10,972. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 236K
18.22% 3M change
30.65% 12M change
Total Value Held $381,740

Timothy B Lowinger Transaction History

Date Transaction Value Shares Traded Shares Held Form
Oct 03 2024
SELL
Open market or private sale
$10,972 $1.96 p/Share
5,598 Reduced 2.32%
235,642 Common Stock
Oct 02 2024
SELL
Open market or private sale
$16,178 $2.0 p/Share
8,089 Reduced 3.24%
241,240 Common Stock
Oct 01 2024
BUY
Exercise of conversion of derivative security
-
50,000 Added 16.7%
249,329 Common Stock
Jan 16 2024
SELL
Open market or private sale
$28,208 $2.71 p/Share
10,409 Reduced 4.96%
199,329 Common Stock
Jan 15 2024
BUY
Exercise of conversion of derivative security
-
15,208 Added 6.76%
209,738 Common Stock
Jan 14 2024
BUY
Exercise of conversion of derivative security
-
4,792 Added 2.4%
194,530 Common Stock
Jan 13 2024
BUY
Exercise of conversion of derivative security
-
9,375 Added 4.71%
189,738 Common Stock
Jan 17 2023
SELL
Open market or private sale
$35,777 $5.74 p/Share
6,233 Reduced 3.34%
180,363 Common Stock
Jan 15 2023
BUY
Exercise of conversion of derivative security
-
15,209 Added 7.54%
186,596 Common Stock
Jan 14 2023
BUY
Exercise of conversion of derivative security
-
4,792 Added 2.72%
171,387 Common Stock
Dec 14 2022
BUY
Exercise of conversion of derivative security
$51,980 $1.47 p/Share
35,361 Added 17.51%
166,595 Common Stock
Jan 18 2022
SELL
Open market or private sale
$28,067 $5.92 p/Share
4,741 Reduced 3.49%
131,234 Common Stock
Jan 14 2022
BUY
Exercise of conversion of derivative security
-
15,209 Added 10.06%
135,975 Common Stock
Dec 20 2021
BUY
Exercise of conversion of derivative security
$63,830 $1.4 p/Share
45,593 Added 27.41%
120,766 Common Stock
Aug 20 2021
SELL
Open market or private sale
$24,398 $11.01 p/Share
2,216 Reduced 2.86%
75,173 Common Stock
Aug 20 2021
BUY
Exercise of conversion of derivative security
$13,651 $6.16 p/Share
2,216 Added 2.78%
77,389 Common Stock
Jul 20 2021
SELL
Open market or private sale
$26,969 $12.11 p/Share
2,227 Reduced 2.88%
75,173 Common Stock
Jul 20 2021
BUY
Exercise of conversion of derivative security
$13,718 $6.16 p/Share
2,227 Added 2.8%
77,400 Common Stock
Jul 19 2021
SELL
Open market or private sale
$102,122 $12.02 p/Share
8,496 Reduced 10.15%
75,173 Common Stock
Jul 16 2021
SELL
Open market or private sale
$96,954 $12.47 p/Share
7,775 Reduced 8.5%
83,669 Common Stock
Jul 15 2021
BUY
Exercise of conversion of derivative security
-
40,000 Added 30.43%
91,444 Common Stock
Jul 08 2021
BUY
Exercise of conversion of derivative security
$28,000 $1.4 p/Share
20,000 Added 27.99%
51,444 Common Stock
Jul 01 2021
SELL
Open market or private sale
$25,650 $13.6 p/Share
1,886 Reduced 5.66%
31,444 Common Stock
Jul 01 2021
BUY
Exercise of conversion of derivative security
$9,128 $4.84 p/Share
1,886 Added 5.36%
33,330 Common Stock
Jun 21 2021
SELL
Open market or private sale
$30,592 $13.78 p/Share
2,220 Reduced 6.59%
31,444 Common Stock
TBL

Timothy B Lowinger

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

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