Info
Insider Ownership

Insider Trading & Ownership of MICHAEL VASCONCELLES

Location: Cambridge, MA
Summary: The estimated net worth of MICHAEL VASCONCELLES is at least $51,009 dollars as of 18 Feb 2026. MICHAEL VASCONCELLES is the Head of Research and Dev. of Day One Biopharmaceuticals, Inc. and owns shares of Day One Biopharmaceuticals, Inc. (DAWN) stock worth about $51K.
Signature: /s/ Charles N. York II, as Attorney-in-Fact
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Ownership of MICHAEL VASCONCELLES

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
DAWN	Day One Biopharmaceuticals, Inc.	Head of Research and Dev.	$51,009	-$31,647	-38%	15 Feb 2026
IMGN	ImmunoGen, Inc.	Evp R&D & Medical Affairs	$0			12 Feb 2024
KURA	Kura Oncology, Inc.	Director				05 Jun 2025
DNTH	Magenta Therapeutics, Inc.	Director				15 Aug 2022

Insider Transactions Reported by MICHAEL VASCONCELLES:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.