YMAB Insider Trading

YMAB · full profile →Last filing Sep 16, 2025
Mixed · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$0
open market, 180d
Reporting Insiders
0
0 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)6K$8.60$50K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)25K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)15K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)33K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)16K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)14K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)16K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)11K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)11K
Sep 16, 2025Gill David NDirectorDisposed to issuer(D)24K
Sep 16, 2025Healy JamesDirectorTender(U)32K$8.60$272K
Sep 16, 2025Healy JamesDirectorTender(U)2.2M$8.60$18.9M
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)25K
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)33K
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)16K
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)14K
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)8K
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)15K
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)11K
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)11K
Sep 16, 2025Healy JamesDirectorDisposed to issuer(D)14K
Sep 16, 2025Pfreundschuh Peter P.EVP, CFO and TreasurerDisposed to issuer(D)78K
Sep 16, 2025Pfreundschuh Peter P.EVP, CFO and TreasurerDisposed to issuer(D)170K
Sep 16, 2025Pfreundschuh Peter P.EVP, CFO and TreasurerDisposed to issuer(D)64K
Sep 16, 2025Pfreundschuh Peter P.EVP, CFO and TreasurerDisposed to issuer(D)16K
Sep 16, 2025Pfreundschuh Peter P.EVP, CFO and TreasurerDisposed to issuer(D)16K
Sep 16, 2025LaRocca JohnSVP, General Counsel & SecryDisposed to issuer(D)22K
Sep 16, 2025LaRocca JohnSVP, General Counsel & SecryDisposed to issuer(D)143K
Sep 16, 2025LaRocca JohnSVP, General Counsel & SecryDisposed to issuer(D)43K
Sep 16, 2025Hamill LauraDirectorTender(U)6K$8.60$50K
Sep 16, 2025Hamill LauraDirectorDisposed to issuer(D)25K
Sep 16, 2025Hamill LauraDirectorDisposed to issuer(D)27K
Sep 16, 2025Hamill LauraDirectorDisposed to issuer(D)11K
Sep 16, 2025Hamill LauraDirectorDisposed to issuer(D)33K
Sep 16, 2025Hamill LauraDirectorDisposed to issuer(D)14K
Sep 16, 2025Hamill LauraDirectorDisposed to issuer(D)15K
Sep 16, 2025Hamill LauraDirectorDisposed to issuer(D)16K
Sep 16, 2025Tyagi AshuDirectorTender(U)6K$8.60$50K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)25K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)16K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)11K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)11K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)14K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)16K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)32K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)15K
Sep 16, 2025Tyagi AshuDirectorDisposed to issuer(D)33K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)25K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerTender(U)4.6M$8.60$39.2M
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerTender(U)6K$8.60$50K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)11K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)15K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)14K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)36K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)32K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)16K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)11K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)33K
Sep 16, 2025Wedell-Wedellsborg JohanDirector, 10% OwnerDisposed to issuer(D)16K
Sep 16, 2025WG Biotech ApSDirector, 10% OwnerTender(U)4.6M$8.60$39.2M
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorTender(U)60K$8.60$516K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)60K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorTender(U)245K$8.60$2.1M
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorTender(U)68K$8.60$582K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)60K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)110K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)91K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)130K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)108K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)100K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)16K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)143K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)16K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)16K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)64K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)133K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)242K
Sep 16, 2025Gad ThomasCHIEF BUSINESS OFFICER, DirectorDisposed to issuer(D)75K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERTender(U)13K$8.60$110K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)39K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)20K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)32K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)20K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)36K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)32K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)36K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)43K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)20K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)20K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)20K
Sep 16, 2025Wilms JorisSVP & CHIEF OPERATING OFFICERDisposed to issuer(D)20K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorDisposed to issuer(D)129K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorTender(U)8K$8.60$69K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorDisposed to issuer(D)53K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorDisposed to issuer(D)18K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorDisposed to issuer(D)18K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorDisposed to issuer(D)615K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorDisposed to issuer(D)214K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorDisposed to issuer(D)211K
Sep 16, 2025Rossi Michael JPRESIDENT & CEO, DirectorDisposed to issuer(D)18K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).