Joris Wilms is SVP & CHIEF OPERATING OFFICER of Y-mAbs Therapeutics, Inc.. Currently has a direct ownership of 0 shares of YMAB, which is worth approximately $0. The most recent transaction as insider was on Sep 16, 2025, when has been sold 39,301 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 0
100.0% 3M change
100.0% 12M change
Total Value Held $0

Joris Wilms Transaction History

Date Transaction Value Shares Traded Shares Held Form
Sep 16 2025
SELL
Sale (or disposition) back to the issuer
-
39,301 Reduced 100.0%
0 Common Stock
Sep 16 2025
SELL
Disposition due to a tender of shares in a change of control transaction
$110,071 $8.6 p/Share
12,799 Reduced 100.0%
0 Common Stock
Jan 17 2025
BUY
Grant, award, or other acquisition
-
21,500 Added 29.21%
52,100 Common Stock
Aug 26 2024
SELL
Open market or private sale
$73,450 $14.69 p/Share
5,000 Reduced 14.04%
30,600 Common Stock
Jan 18 2024
BUY
Grant, award, or other acquisition
-
17,800 Added 33.33%
35,600 Common Stock
Jan 17 2023
BUY
Grant, award, or other acquisition
-
17,800 Added 50.0%
17,800 Common Stock
JW

Joris Wilms

SVP & CHIEF OPERATING OFFICER
New York, NY

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