TAYLOR ROSS

PrivateCIK: 2013346
Location

PALO ALTO, CA

InsiderTAYLOR ROSSCIK 2013346
IssuerBILLIONTOONE, INC.CIK 2070849
Officer· Chief Financial Officer
Since Nov 2025
0.00
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
4
Total transactions
250K acquired · 250K disposed
Non-Derivative Transactions0
No non-derivative transactions reported
Derivative Transactions4

Stock Option (right to buy)

Direct
J · J
Converts to

Common Stock

175K shares

Shares

175K

Strike price

11.55

Held after

0.00

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Class A Common Stock

175K shares

Shares

+175K

Strike price

11.55

Held after

175K

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Common Stock

75K shares

Shares

75K

Strike price

30.78

Held after

0.00

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Class A Common Stock

75K shares

Shares

+75K

Strike price

30.78

Held after

75K

Exercisable

11/7/2025
TAYLOR ROSS — Insider Transaction (Form 4) Filed Nov 12, 2025 | Finecho