Home/Filings/4/0001744507-25-000006
4//SEC Filing

Dubow Adam 4

Accession 0001744507-25-000006

CIK 0001845337other

Filed

Nov 17, 7:00 PM ET

Accepted

Nov 18, 7:04 PM ET

Size

20.8 KB

Accession

0001744507-25-000006

Insider Transaction Report

Form 4
Period: 2025-11-15
Dubow Adam
Gen Counsel & Secretary
Transactions
  • Exercise/Conversion

    Restricted Stock Unit (RSU)

    2025-11-151,7507,000 total
    Common Stock (1,750 underlying)
  • Exercise/Conversion

    Restricted Stock Unit (RSU)

    2025-11-153,68744,252 total
    Common Stock (3,687 underlying)
  • Exercise/Conversion

    Common Stock

    2025-11-15+1,75059,571 total
  • Exercise/Conversion

    Restricted Stock Unit (RSU)

    2025-11-153,68729,504 total
    Common Stock (3,687 underlying)
  • Exercise/Conversion

    Common Stock

    2025-11-15+2,96357,821 total
  • Exercise/Conversion

    Common Stock

    2025-11-15+3,68763,258 total
  • Exercise/Conversion

    Common Stock

    2025-11-15+3,68766,945 total
  • Sale

    Common Stock

    2025-11-17$8.91/sh4,319$38,50362,626 total
  • Exercise/Conversion

    Restricted Stock Unit (RSU)

    2025-11-152,96311,852 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 $8.545 to $9.305, 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.

Issuer

Day One Biopharmaceuticals, Inc.

CIK 0001845337

Entity typeother

Related Parties

1
  • filerCIK 0001744507

Filing Metadata

Form type
4
Filed
Nov 17, 7:00 PM ET
Accepted
Nov 18, 7:04 PM ET
Size
20.8 KB