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$DAWN All transactions

Day One Biopharmaceuticals, Inc.

A

$ Value

$0

Shares

70,000

Price

$0

Filed

Jan 30

Insider

Name

Dubow Adam

Title

Gen Counsel & Secretary

CIK

0001744507

Roles

Officer

Transaction Details

Transaction Date

2026-01-30

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

70,000

Footnotes

The option vests as to 1/48th of the total shares monthly, commencing February 28, 2026, subject to the Reporting Person's provision of service to the Issuer on each vesting date. | Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock upon settlement. | The RSUs 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. | RSUs do not expire; they either vest or are canceled prior to the vesting date.

Filing Info

Accession No.

0001744507-26-000002

Form Type

4

Issuer CIK

0001845337

Dubow Adam's History

Date Ticker Type Value
2026-04-23 DAWN D
2026-04-23 DAWN D
2026-04-23 DAWN D
2026-04-23 DAWN D
2026-04-23 DAWN D
2026-04-23 DAWN D
2026-04-23 DAWN D
2026-04-23 DAWN D
2026-04-23 DAWN D
2026-04-23 DAWN D

Other Insiders at DAWN (90d)

Insider Bought Sold Last
Garland J. Scott 2026-04-23
Ramasastry Saira 2026-04-23
Holles Natalie C. 2026-04-23
Nicholson Garry A 2026-04-23
York Charles N II
COO and CFO
$70K 2026-04-23
Dable Habib J 2026-04-23
Grossman William 2026-04-23
VASCONCELLES MICHAEL
Head of Research and Dev.
$32K 2026-04-23
Dubow Adam
Gen Counsel & Secretary
$74K 2026-04-23
Josey John A. 2026-04-23
Merendino Lauren
Chief Commercial Officer
$67K 2026-04-23
Bender Jeremy
CHIEF EXECUTIVE OFFICER
$179K 2026-04-23