MANDELIA ASHISH

PrivateCIK: 1782805
Location

CAMBRIDGE, MA

MANDELIA ASHISH (VP, Controller) reported 1 transaction at MERSANA THERAPEUTICS, INC.

Review the transaction codes below to understand the nature of each event.

InsiderMANDELIA ASHISHCIK 1782805
Officer· VP, Controller
Since Jan 2020
-17.47K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
18
Total transactions
17.47K disposed
Non-Derivative Transactions1

Common Stock

Direct
U · U

Shares

2.30K

Price / share

Trade value

% of position

New position
1/6/2026
2.30K0.00
Total

Net shares

2.30K

Net value

$0.00

Derivative Transactions17

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1.69K shares

Shares

1.69K

Strike price

16.0125

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1.31K shares

Shares

1.31K

Strike price

16.0125

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

2.87K shares

Shares

2.87K

Strike price

99.75

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

555.00 shares

Shares

555.00

Strike price

154.00

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

44.00 shares

Shares

44.00

Strike price

154.00

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

310.00 shares

Shares

310.00

Strike price

527.25

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

773.00 shares

Shares

773.00

Strike price

527.25

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

359.00 shares

Shares

359.00

Strike price

157.00

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

788.00 shares

Shares

788.00

Strike price

157.00

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

722.00 shares

Shares

722.00

Strike price

151.50

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1.18K shares

Shares

1.18K

Strike price

151.50

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1.16K shares

Shares

1.16K

Strike price

75.50

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1.84K shares

Shares

1.84K

Strike price

75.50

Held after

0.00

Exercisable

1/6/2026

Restricted Stock Units

Direct
D · Disposition
Converts to

Common Stock

192.00 shares

Shares

192.00

Strike price

0

Held after

0.00

Exercisable

1/6/2026

Restricted Stock Units

Direct
D · Disposition
Converts to

Common Stock

212.00 shares

Shares

212.00

Strike price

0

Held after

0.00

Exercisable

1/6/2026

Restricted Stock Units

Direct
D · Disposition
Converts to

Common Stock

500.00 shares

Shares

500.00

Strike price

0

Held after

0.00

Exercisable

1/6/2026

Restricted Stock Units

Direct
D · Disposition
Converts to

Common Stock

666.00 shares

Shares

666.00

Strike price

0

Held after

0.00

Exercisable

1/6/2026
MANDELIA ASHISH — Insider Transaction (Form 4) Filed Jan 6, 2026 | Finecho