Adam Dubow - Nov 6, 2023 Form 3 Insider Report for Day One Biopharmaceuticals, Inc. (DAWN)

Signature
/s/ Charles N. York II, Attorney-in-Fact
Stock symbol
DAWN
Transactions as of
Nov 6, 2023
Transactions value $
$0
Form type
3
Date filed
11/16/2023, 08:39 PM
Previous filing
Aug 3, 2021
Next filing
Nov 17, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding DAWN Common Stock 3.14K Nov 6, 2023 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding DAWN Stock Option (Right to Buy) Nov 6, 2023 Common Stock 309K $21.14 Direct F1
holding DAWN Stock Option (Right to Buy) Nov 6, 2023 Common Stock 90K $23.41 Direct F2
holding DAWN Restricted Stock Units Nov 6, 2023 Common Stock 47.4K Direct F3, F4
holding DAWN Restricted Stock Units Nov 6, 2023 Common Stock 22.8K Direct F4, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option vests as to 25% of the total shares on October 31, 2023, and then 1/48th of the total shares vest monthly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
F2 The option vests as to 1/48th of the total shares monthly, commencing February 17, 2023, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
F3 The Restricted Stock Units ("RSUs") vest as to 25% of the total award on November 15, 2023, and 1/12th of the remaining amount vests in quarterly installments on February 15, May 15, August 15 and November 15, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
F4 Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement for no consideration.
F5 The RSUs will vest as to 1/16th of the total award in quarterly installments on February 15, May 15, August 15 and November 15, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Remarks:

Exhibit 24 - Power of Attorney