MOTT DAVID M

PrivateCIK: 1219871
Location

BALTIMORE, MD

MOTT DAVID M reported 2 transactions at MERSANA THERAPEUTICS, INC.

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

InsiderMOTT DAVID MCIK 1219871
Director10% Owner
Since Sep 2018
-36.88K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
15
Total transactions
36.88K disposed
Non-Derivative Transactions2

Common Stock

Direct
U · U

Shares

23.55K

Price / share

Trade value

% of position

New position
1/6/2026
23.55K0.00

Common Stock

Indirect
U · U

Shares

383.00

Price / share

Trade value

% of position

New position
1/6/2026
383.000.00
Total

Net shares

23.93K

Net value

$0.00

Derivative Transactions13

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

2.46K shares

Shares

2.46K

Strike price

9.0775

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

264.00 shares

Shares

264.00

Strike price

434.75

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

400.00 shares

Shares

400.00

Strike price

306.75

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1.01K shares

Shares

1.01K

Strike price

107.75

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1K shares

Shares

1K

Strike price

107.75

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

134.00

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

368.00 shares

Shares

368.00

Strike price

572.50

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

181.00 shares

Shares

181.00

Strike price

527.25

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1K shares

Shares

1K

Strike price

372.50

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

740.00 shares

Shares

740.00

Strike price

161.00

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

1.80K shares

Shares

1.80K

Strike price

90.50

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

734.00 shares

Shares

734.00

Strike price

216.00

Held after

0.00

Exercisable

1/6/2026

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

2.20K shares

Shares

2.20K

Strike price

56.50

Held after

0.00

Exercisable

1/6/2026
MOTT DAVID M — Insider Transaction (Form 4) Filed Jan 6, 2026 | Finecho