LYNCH THOMAS P.

PrivateCIK: 1659824
Location

LA JOLLA, CA

LYNCH THOMAS P. (See Remarks) exercised options at BILLIONTOONE, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderLYNCH THOMAS P.CIK 1659824
→
IssuerBILLIONTOONE, INC.CIK 2070849
Officer· See Remarks
Since Nov 2025
0.00
Net shares
Net seller
$17.3K
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
2K acquired · 2K disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
M · Option Exercise

Shares

+2K

Price / share

$8.65

Trade value

$17.30K

% of position

23.0%
10/13/2026
8.70K→10.70K
Total

Net shares

+2K

Net value

$17.30K

Derivative Transactions1

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Class A Common Stock

2K shares

Shares

−2K

Strike price

8.65

Held after

38.97K

Exercisable

—

10/13/2026
LYNCH THOMAS P. — Insider Transaction (Form 4) Filed Oct 19, 2026 | Finecho