4//SEC Filing
Dubow Adam 4
Accession 0001415889-25-022382
CIK 0001845337other
Filed
Aug 18, 8:00 PM ET
Accepted
Aug 19, 7:38 PM ET
Size
20.8 KB
Accession
0001415889-25-022382
Insider Transaction Report
Form 4
Dubow Adam
Gen Counsel & Secretary
Transactions
- Exercise/Conversion
Common Stock
2025-08-15+3,687→ 55,536 total - Sale
Common Stock
2025-08-18$6.77/sh−4,365$29,538→ 54,858 total - Exercise/Conversion
Restricted Stock Unit (RSU)
2025-08-15−1,750→ 8,750 total→ Common Stock (1,750 underlying) - Exercise/Conversion
Common Stock
2025-08-15+2,963→ 50,099 total - Exercise/Conversion
Common Stock
2025-08-15+3,687→ 59,223 total - Exercise/Conversion
Restricted Stock Unit (RSU)
2025-08-15−3,687→ 33,191 total→ Common Stock (3,687 underlying) - Exercise/Conversion
Restricted Stock Unit (RSU)
2025-08-15−3,687→ 47,939 total→ Common Stock (3,687 underlying) - Exercise/Conversion
Common Stock
2025-08-15+1,750→ 51,849 total - Exercise/Conversion
Restricted Stock Unit (RSU)
2025-08-15−2,963→ 14,815 total→ Common Stock (2,963 underlying)
Footnotes (6)
- [F1]Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock upon settlement for no consideration.
- [F2]The sale of shares is for the sole purpose of covering the Reporting Person's tax liability with respect to the settlement of RSUs.
- [F3]The price reported in Column 4 is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $6.65 to $6.87, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein with regard to the block trade.
- [F4]The RSUs vest as to 25% of the total award on November 15, 2023, and 1/12th of the remaining amount vest in quarterly installments thereafter 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.
- [F5]RSUs do not expire; they either vest or are canceled prior to the vesting date.
- [F6]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.
Documents
Issuer
Day One Biopharmaceuticals, Inc.
CIK 0001845337
Entity typeother
Related Parties
1- filerCIK 0001744507
Filing Metadata
- Form type
- 4
- Filed
- Aug 18, 8:00 PM ET
- Accepted
- Aug 19, 7:38 PM ET
- Size
- 20.8 KB