0001209191-23-010823.txt : 20230217
0001209191-23-010823.hdr.sgml : 20230217
20230217173515
ACCESSION NUMBER: 0001209191-23-010823
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230215
FILED AS OF DATE: 20230217
DATE AS OF CHANGE: 20230217
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: York Charles N II
CENTRAL INDEX KEY: 0001655962
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-40431
FILM NUMBER: 23644232
MAIL ADDRESS:
STREET 1: 901 S. MOPAC EXPRESSWAY
STREET 2: BARTON OAKS PLAZA ONE, SUITE 250
CITY: AUSTIN
STATE: TX
ZIP: 78746
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Day One Biopharmaceuticals, Inc.
CENTRAL INDEX KEY: 0001845337
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
IRS NUMBER: 832415215
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 2000 SIERRA POINT PARKWAY, SUITE 501
CITY: BRISBANE
STATE: CA
ZIP: 94005
BUSINESS PHONE: 650 484-0899
MAIL ADDRESS:
STREET 1: 2000 SIERRA POINT PARKWAY, SUITE 501
CITY: BRISBANE
STATE: CA
ZIP: 94005
FORMER COMPANY:
FORMER CONFORMED NAME: Day One Biopharmaceuticals Holding Co LLC
DATE OF NAME CHANGE: 20210209
4
1
doc4.xml
FORM 4 SUBMISSION
X0306
4
2023-02-15
0
0001845337
Day One Biopharmaceuticals, Inc.
DAWN
0001655962
York Charles N II
2000 SIERRA POINT PARKWAY, SUITE 501
BRISBANE
CA
94005
0
1
0
0
COO, CFO and Secretary
Common Stock
2023-02-15
4
M
0
1375
A
270185
D
Common Stock
2023-02-15
4
M
0
2250
A
272435
D
Common Stock
2023-02-16
4
S
0
930
19.573
D
271505
D
Restricted Stock Units
2023-02-15
4
M
0
1375
0.00
D
Common Stock
1375
15125
D
Restricted Stock Units
2023-02-15
4
M
0
2250
0.00
D
Common Stock
2250
33750
D
Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock upon settlement for no consideration.
The sale of shares is for the sole purpose of covering the Reporting Person's tax liability with respect to the settlement of RSUs.
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.
/s/ Charles N. York II
2023-02-17