PFREUNDSCHUH PETER P.

PrivateCIK: 1585839
Location

PRINCETON, NJ

PFREUNDSCHUH PETER P. (CFO and Treasurer) reported 1 transaction at Y-MABS THERAPEUTICS, INC.

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

InsiderPFREUNDSCHUH PETER P.CIK 1585839
IssuerY-MABS THERAPEUTICS, INC.CIK 1722964
Officer· CFO and Treasurer
Since Jun 2024
-343.10K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
5
Total transactions
343.10K disposed
Non-Derivative Transactions1

Common Stock

Direct
D · Disposition

Shares

77.80K

Price / share

Trade value

% of position

New position
9/16/2025
77.80K0.00
Total

Net shares

77.80K

Net value

$0.00

Derivative Transactions4

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

170K shares

Shares

170K

Strike price

12.47

Held after

0.00

Exercisable

9/16/2025

Employee Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

63.50K shares

Shares

63.50K

Strike price

6.16

Held after

0.00

Exercisable

9/16/2025

Restricted Stock Units

Direct
D · Disposition
Converts to

Common Stock

15.90K shares

Shares

15.90K

Strike price

Held after

0.00

Exercisable

9/16/2025

Restricted Stock Units

Direct
D · Disposition
Converts to

Common Stock

15.90K shares

Shares

15.90K

Strike price

Held after

0.00

Exercisable

9/16/2025
PFREUNDSCHUH PETER P. — Insider Transaction (Form 4) Filed Sep 18, 2025 | Finecho