DESCHUYTNER BRIAN

PrivateCIK: 1782163
Location

CAMBRIDGE, MA

DESCHUYTNER BRIAN (Sr. VP, Finance & Product stgy) sold 2.1% of their position (2.33K shares) of MERSANA THERAPEUTICS, INC. on the open market

Open‑market sale worth $1.5K — 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
-2.33K
Net shares
Net seller
$1.5K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
6.25K acquired · 8.58K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+6.25K

Price / share

Trade value

% of position

5.9%
1/14/2025
105.11K111.36K

Common Stock

Direct
S · Sale

Shares

2.33K

Price / share

$0.63

Trade value

$1.47K

% of position

2.1%
1/15/2025
111.36K109.03K
Total

Net shares

+3.92K

Net value

-$1.47K

Derivative Transactions1

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

6.25K shares

Shares

6.25K

Strike price

Held after

6.25K

Exercisable

1/14/2025
DESCHUYTNER BRIAN — Insider Transaction (Form 4) Filed Jan 16, 2025 | Finecho