DESCHUYTNER BRIAN

PrivateCIK: 1782163
Location

CAMBRIDGE, MA

DESCHUYTNER BRIAN (Sr. VP, Finance & Product stgy) sold 3.4% of their position (3.71K shares) of MERSANA THERAPEUTICS, INC. on the open market

Open‑market sale worth $2.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderDESCHUYTNER BRIANCIK 1782163
Officer· Sr. VP, Finance & Product stgy
Since Jul 2019
-3.71K
Net shares
Net seller
$2.5K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
10K acquired · 13.71K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+10K

Price / share

Trade value

% of position

10.1%
1/13/2025
98.82K108.82K

Common Stock

Direct
S · Sale

Shares

3.71K

Price / share

$0.66

Trade value

$2.45K

% of position

3.4%
1/14/2025
108.82K105.11K
Total

Net shares

+6.29K

Net value

-$2.45K

Derivative Transactions1

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

10K shares

Shares

10K

Strike price

Held after

20K

Exercisable

1/13/2025
DESCHUYTNER BRIAN — Insider Transaction (Form 4) Filed Jan 15, 2025 | Finecho