MICHAEL VASCONCELLES - Head of Research and Dev. at Day One Biopharmaceuticals, Inc.

Insider Transactions and Holdings

Entity Type
Individual
Role
Head of Research and Dev.
Issuer Symbol
DAWN on Nasdaq
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MICHAEL VASCONCELLES - trading volume in the past year for Day One Biopharmaceuticals, Inc.

Holdings reported by MICHAEL VASCONCELLES for Day One Biopharmaceuticals, Inc.

Security Num Shares Value Price $ Transaction Date Ownership Underlying Class Underlying Amount
Common Stock 4,397 $51,009 $11.60 17 Feb 2026 Direct
Stock Option (right to buy Common Stock) 171,000 30 Jan 2026 Direct Common Stock
Restricted Stock Units 114,000 30 Jan 2026 Direct Common Stock
Restricted Stock Unit (RSU) 106,875 15 Feb 2026 Direct Common Stock

Transactions reported by MICHAEL VASCONCELLES for Day One Biopharmaceuticals, Inc.

Sym Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.