TAKEDA PHARMACEUTICAL CO LTD - 26 May 2021 Form 3 Insider Report for Day One Biopharmaceuticals, Inc. (DAWN)

Role: 10%+ Owner
Signature: /s/ Yoshihiro Nakagawa, Corporate Officer, Global General Counsel of Takeda Pharmaceutical Company Limited
Issuer symbol: DAWN
Transactions as of: 26 May 2021
Net transactions value: $0
Form type: 3
Filing time: 26 May 2021, 20:55:22 UTC
Previous filing: 26 May 2021
Next filing: 02 Jun 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	DAWN	Common Stock						6,470,382	26 May 2021	See Explanation of Responses	F1, F2

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

Explanation of Responses:

Id	Content
F1	This statement is being filed jointly by Takeda Pharmaceutical Company Limited and Millennium Pharmaceuticals, Inc.
F2	Takeda Pharmaceutical Company Limited's beneficial ownership of the reported securities is comprised of 6,470,382 shares of Common Stock held by Millennium Pharmaceuticals, Inc. Millennium Pharmaceuticals, Inc., is a direct, wholly owned subsidiary of Takeda Pharmaceuticals U.S.A. Inc., which is a direct subsidiary of Takeda Pharmaceutical Company Limited (72.70%) and Takeda Pharmaceuticals International AG (27.3%). Takeda Pharmaceuticals International AG is a direct, wholly owned subsidiary of Takeda Pharmaceutical Company Limited.

Content

This statement is being filed jointly by Takeda Pharmaceutical Company Limited and Millennium Pharmaceuticals, Inc.

Takeda Pharmaceutical Company Limited's beneficial ownership of the reported securities is comprised of 6,470,382 shares of Common Stock held by Millennium Pharmaceuticals, Inc. Millennium Pharmaceuticals, Inc., is a direct, wholly owned subsidiary of Takeda Pharmaceuticals U.S.A. Inc., which is a direct subsidiary of Takeda Pharmaceutical Company Limited (72.70%) and Takeda Pharmaceuticals International AG (27.3%). Takeda Pharmaceuticals International AG is a direct, wholly owned subsidiary of Takeda Pharmaceutical Company Limited.