BENDER JEREMY

PrivateCIK: 1863107
Location

SOUTH SAN FRANCISCO, CA

BENDER JEREMY (Chief Executive Officer) reported 6 transactions at DAY ONE BIOPHARMACEUTICALS, INC.

Review the transaction codes below to understand the nature of each event.

InsiderBENDER JEREMYCIK 1863107
DirectorOfficer· Chief Executive Officer
Since May 2021
-14.45K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
6
Total transactions
600K acquired · 614.45K disposed
Non-Derivative Transactions6

Common Stock

Indirect
G · Gift

Shares

300K

Price / share

Trade value

% of position

21.3%
11/25/2025
1.41M1.11M

Common Stock

Indirect
G · Gift

Shares

+300K

Price / share

Trade value

% of position

New position
11/25/2025
0.00300K

Common Stock

Indirect
G · Gift

Shares

300K

Price / share

Trade value

% of position

27.1%
11/25/2025
1.11M808.28K

Common Stock

Indirect
G · Gift

Shares

+300K

Price / share

Trade value

% of position

New position
11/25/2025
0.00300K

Common Stock

Indirect
G · Gift

Shares

7.22K

Price / share

Trade value

% of position

50.0%
11/25/2025
14.45K7.22K

Common Stock

Indirect
G · Gift

Shares

7.22K

Price / share

Trade value

% of position

New position
11/25/2025
7.22K0.00
Total

Net shares

14.45K

Net value

$0.00

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)4

Common Stock

Direct
Shares owned177.16K

Common Stock

Indirect
Shares owned147.70K

Common Stock

Indirect
Shares owned20.20K

Common Stock

Indirect
Shares owned18.20K
Total
177.16K direct·186.10K indirect363.27K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
BENDER JEREMY — Insider Transaction (Form 4) Filed Nov 26, 2025 | Finecho