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Insider · CIK 0001753185

Johan Wedell-Wedellsborg

directorowner

Files at YMAB (Y-mAbs Therapeutics, Inc.). First filing -, latest -.

Johan Wedell-Wedellsborg files SEC Form 4 as director and 10% owner at YMAB (Y-mAbs Therapeutics, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.

A track record needs three past buys with six months of prices behind them; Johan Wedell-Wedellsborg has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 14 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
UTender of shares
Common Stock
-5,825$8.60$50k0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Common Stock
-25,080--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
UTender of shares
Common Stockindirect: By WG Biotech ApS
-4,559,233$8.60$39M0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-36,000--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-32,000--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-16,000--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-11,000--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-11,000--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-16,000--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-13,950--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-14,545--0Sep 18, 2025
Sep 16, 2025YMAB
Y-mAbs Therapeutics, Inc.
DDisposition to issuer
Employee Stock Option (right to buy)derivative
-33,450--0Sep 18, 2025
Jun 30, 2025YMAB
Y-mAbs Therapeutics, Inc.
AGrant or award
Common Stock
+25,080$0.00$030,905Jul 2, 2025
Jun 30, 2025YMAB
Y-mAbs Therapeutics, Inc.
AGrant or award
Employee Stock Option (right to buy)derivative
+33,450$0.00$033,450Jul 2, 2025

Questions about Johan Wedell-Wedellsborg

Answered from the filings on this page, as of the latest one.

Is Johan Wedell-Wedellsborg buying or selling?

Johan Wedell-Wedellsborg has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Johan Wedell-Wedellsborg's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Johan Wedell-Wedellsborg has 0.

Where does Johan Wedell-Wedellsborg file Form 4?

Johan Wedell-Wedellsborg has filed Form 4 at YMAB (Y-mAbs Therapeutics, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Johan Wedell-Wedellsborg: insider trades and track record | InsiderTell