KAUFMAN MICHAEL J.

PrivateCIK: 1709996
Location

CAMBRIDGE, MA

KAUFMAN MICHAEL J. (Sr VP Chemistry, Man & Control) sold 27.0% of their position (12.09K shares) of MERSANA THERAPEUTICS, INC. on the open market

Open‑market sale worth $147.9K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderKAUFMAN MICHAEL J.CIK 1709996
Officer· Sr VP Chemistry, Man & Control
Since Jan 2019
-12.09K
Net shares
Net seller
$147.9K
Total sold
2
Open market trades
0B · 2S
4
Total transactions
40K acquired · 52.09K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+40K

Price / share

Trade value

% of position

849.3%
7/15/2021
4.71K44.71K

Common Stock

Direct
S · Sale

Shares

5.78K

Price / share

$12.47

Trade value

$72.03K

% of position

12.9%
7/16/2021
44.71K38.93K

Common Stock

Direct
S · Sale

Shares

6.31K

Price / share

$12.02

Trade value

$75.87K

% of position

16.2%
7/19/2021
38.93K32.62K
Total

Net shares

+27.91K

Net value

-$147.90K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

40K shares

Shares

40K

Strike price

Held after

0.00

Exercisable

7/15/2021
KAUFMAN MICHAEL J. — Insider Transaction (Form 4) Filed Jul 19, 2021 | Finecho