JOHNSON NANCY JOANN

PrivateCIK: 2087387
Location

MENLO PARK, CA

Senior insider sale

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

$3.32M

29K shares

What this filing means

JOHNSON NANCY JOANN plans to sell 29K shares of BILLIONTOONE, INC. valued at approximately $3.32M. 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.

InsiderJOHNSON NANCY JOANNCIK 2087387
IssuerBILLIONTOONE, INC.CIK 2070849
Officer· See Remarks
Since Nov 2025
29K
Shares to sell
$3.32M
Approx. market value
14.20K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months5
Sort

Pre-IPO Shares

Cash

12/29/2021
3.10K

Pre-IPO Shares

Cash

7/7/2021
4K

Pre-IPO Shares

Cash

1/6/2021
1.50K

Pre-IPO Shares

Cash

10/1/2020
4K

Pre-IPO Shares

Cash

7/3/2020
1.60K
Total acquired14.20K
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

801.00

Market value

$100.1K

7/1/2026
Completed

Units to sell

10.58K

Market value

$1.06M

6/9/2026
Completed

Units to sell

3.42K

Market value

$339.3K

6/8/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

14.20K

Market value

$1.82M

7/16/2026
Total

Units

29K

Value

$3.32M