GILL DAVID N

PrivateCIK: 1106519
Location

NEWPORT BEACH, CA

GILL DAVID N reported 2 transactions at Y-MABS THERAPEUTICS, INC.

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

InsiderGILL DAVID NCIK 1106519
IssuerY-MABS THERAPEUTICS, INC.CIK 1722964
Director
Since Sep 2018
-170.85K
Net shares
Net seller
$50.1K
Total sold
0
Open market trades
0B · 0S
10
Total transactions
170.85K disposed
Non-Derivative Transactions2

Common Stock

Direct
D · Disposition

Shares

5.83K

Price / share

$8.60

Trade value

$50.09K

% of position

New position
9/16/2025
5.83K0.00

Common Stock

Direct
D · Disposition

Shares

25.08K

Price / share

Trade value

% of position

New position
9/16/2025
25.08K0.00
Total

Net shares

30.91K

Net value

-$50.09K

Derivative Transactions8

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

24K shares

Shares

24K

Strike price

11.16

Held after

0.00

Exercisable

9/16/2025

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

16K shares

Shares

16K

Strike price

21.45

Held after

0.00

Exercisable

9/16/2025

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

11K shares

Shares

11K

Strike price

48.67

Held after

0.00

Exercisable

9/16/2025

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

11K shares

Shares

11K

Strike price

37.53

Held after

0.00

Exercisable

9/16/2025

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

16K shares

Shares

16K

Strike price

16.64

Held after

0.00

Exercisable

9/16/2025

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

13.95K shares

Shares

13.95K

Strike price

8.13

Held after

0.00

Exercisable

9/16/2025

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

14.54K shares

Shares

14.54K

Strike price

12.01

Held after

0.00

Exercisable

9/16/2025

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

33.45K shares

Shares

33.45K

Strike price

4.51

Held after

0.00

Exercisable

9/16/2025
GILL DAVID N — Insider Transaction (Form 4) Filed Sep 18, 2025 | Finecho