Arkolith/Insider Trading/YMAB/Form 4

Wedell-Wedellsborg Johan

Director, 10% OwnerY-mAbs Therapeutics, Inc. (YMAB) · full profile →Form 4 · filed Sep 18, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
12
3 non-derivative · 9 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 16, 2025Disposed to issuer(D)25K——0
Sep 16, 2025Tender(U)4.6M$8.60$39.2M0
Sep 16, 2025Tender(U)6K$8.60$50K0

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Sep 16, 2025Disposed to issuer(D)11K——0
Sep 16, 2025Disposed to issuer(D)15K——0
Sep 16, 2025Disposed to issuer(D)14K——0
Sep 16, 2025Disposed to issuer(D)36K——0
Sep 16, 2025Disposed to issuer(D)32K——0
Sep 16, 2025Disposed to issuer(D)16K——0
Sep 16, 2025Disposed to issuer(D)11K——0
Sep 16, 2025Disposed to issuer(D)33K——0
Sep 16, 2025Disposed to issuer(D)16K——0

Transaction Codes

D
Disposition to the issuer
U
See SEC Form 4 code table

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001753185-25-000004) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML