TEN BOSCH JOHN RODERICK

PrivateCIK: 2087126
Location

MENLO PARK, CA

Senior insider sale

See Remarks at BILLIONTOONE, INC. — senior position signals high conviction

$990.6K

8.50K shares

What this filing means

TEN BOSCH JOHN RODERICK plans to sell 8.50K shares of BILLIONTOONE, INC. valued at approximately $990.6K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderTEN BOSCH JOHN RODERICKCIK 2087126
IssuerBILLIONTOONE, INC.CIK 2070849
Officer· See Remarks
Since Nov 2025
8.50K
Shares to sell
$990.6K
Approx. market value
4.25K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months3
Sort

Pre IPO Shares

Cash

1/13/2022
833.00

Pre IPO Shares

Cash

12/31/2021
584.00

Pre IPO Shares

Cash

12/30/2021
2.83K
Total acquired4.25K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

1.42K

Market value

$169.9K

6/29/2026
Completed

Units to sell

2.83K

Market value

$287.4K

6/15/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

4.25K

Market value

$533.3K

7/13/2026
Total

Units

8.50K

Value

$990.6K