TAYLOR ROSS

PrivateCIK: 2013346
Location

PALO ALTO, CA

InsiderTAYLOR ROSSCIK 2013346
IssuerBILLIONTOONE, INC.CIK 2070849
Officer· Chief Financial Officer
Since Nov 2025
0.00
Baseline shares
0.00
Direct ownership
0 positions
250K
Derivative underlying
2 instruments
0
Security positions
All direct
Non-Derivative Holdings0
No non-derivative holdings reported
Derivative Holdings2

Stock Option (right to buy)

Direct
Underlying security
Common Stock

Underlying shares

175K

Shares owned

N/A

Exercise price

11.55

Expiration

Exercise window

Stock Option (right to buy)

Direct
Underlying security
Common Stock

Underlying shares

75K

Shares owned

N/A

Exercise price

30.78

Expiration

Exercise window

Total

Underlying

250K

Owned

0.00

TAYLOR ROSS — Initial Ownership Disclosure (Form 3) Filed Nov 5, 2025 | Finecho