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 $544,168. The most recent transaction as insider was on Jan 16, 2024, when has been sold 10,409 shares (Common Stock) at a price of $2.71 per share, resulting in proceeds of $28,208. 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 $544,168

Timothy B Lowinger Transaction History

Date Transaction Value Shares Traded Shares Held Form
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
Jun 21 2021
BUY
Exercise of conversion of derivative security
$10,745 $4.84 p/Share
2,220 Added 6.19%
33,662 Common Stock
May 20 2021
SELL
Open market or private sale
$57,838 $14.1 p/Share
4,102 Reduced 11.54%
31,444 Common Stock
May 20 2021
BUY
Exercise of conversion of derivative security
$19,854 $4.84 p/Share
4,102 Added 10.86%
33,671 Common Stock
TBL

Timothy B Lowinger

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

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