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Day One Biopharmaceuticals, Inc.

All insiders

9 insiders

InsiderRole% of sharesShares heldLast trade
York Charles N IICOO and CFO0.30%312,025Feb 17, 2026
Bender JeremyCHIEF EXECUTIVE OFFICER · Director0.20%204,603Feb 17, 2026
Dubow AdamGen Counsel & Secretary0.07%72,694Feb 17, 2026
Merendino LaurenFormerChief Commercial Officer0.06%60,157Feb 17, 2026
VASCONCELLES MICHAELFormerHead of Research and Dev.<0.01%4,397Feb 17, 2026
AI Day1 LLC10% owner0.00%0Apr 23, 2026
Access Industries Holdings LLC10% owner
ACCESS INDUSTRIES MANAGEMENT, LLC10% owner
Blavatnik Len10% owner
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