JOHNSON NANCY JOANN

PrivateCIK: 2087387
Location

MENLO PARK, CA

JOHNSON NANCY JOANN (See Remarks) purchased 23.8% of their position (6.90K shares) of BILLIONTOONE, INC. on the open market

Open‑market purchase worth $414.0K — a significant purchase. The strongest form of insider conviction signal.

P · 1 purchase
InsiderJOHNSON NANCY JOANNCIK 2087387
IssuerBILLIONTOONE, INC.CIK 2070849
Officer· See Remarks
Since Nov 2025
+6.90K
Net shares
Net buyer
$414.0K
Total acquired
1
Open market trades
1B · 0S
15
Total transactions
310.90K acquired · 304K disposed
Non-Derivative Transactions3

Common Stock

Direct
J · J

Shares

29K

Price / share

Trade value

% of position

New position
11/7/2025
29K0.00

Class A Common Stock

Direct
J · J

Shares

+29K

Price / share

Trade value

% of position

New position
11/7/2025
0.0029K

Class A Common Stock

Direct
P · Purchase

Shares

+6.90K

Price / share

$60.00

Trade value

$414K

% of position

23.8%
11/7/2025
29K35.90K
Total

Net shares

+6.90K

Net value

$414K

Derivative Transactions12

Stock Option (right to buy)

Direct
J · J
Converts to

Common Stock

125K shares

Shares

125K

Strike price

0.45

Held after

0.00

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Class A Common Stock

125K shares

Shares

+125K

Strike price

0.45

Held after

125K

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Common Stock

25K shares

Shares

25K

Strike price

2.8

Held after

0.00

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Class A Common Stock

25K shares

Shares

+25K

Strike price

2.8

Held after

25K

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Common Stock

25K shares

Shares

25K

Strike price

2.8

Held after

0.00

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Class A Common Stock

25K shares

Shares

+25K

Strike price

2.8

Held after

25K

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Common Stock

40K shares

Shares

40K

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

40K shares

Shares

+40K

Strike price

11.55

Held after

40K

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Common Stock

20K shares

Shares

20K

Strike price

17.12

Held after

0.00

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Class A Common Stock

20K shares

Shares

+20K

Strike price

17.12

Held after

20K

Exercisable

11/7/2025

Stock Option (right to buy)

Direct
J · J
Converts to

Common Stock

40K shares

Shares

40K

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

40K shares

Shares

+40K

Strike price

30.78

Held after

40K

Exercisable

11/7/2025
JOHNSON NANCY JOANN — Insider Transaction (Form 4) Filed Nov 12, 2025 | Finecho