TSAO DAVID (Chief Technology Officer) sold 90.9% of their position (10K shares) of BILLIONTOONE, INC. on the open market
Open‑market sale worth $928.6K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/12/2026ACC: 0002070849-26-000058
DirectorOfficer· Chief Technology Officer
Since Nov 2025
-10K
Net shares
Net seller
$928.6K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
10K acquired · 20K disposed
Non-Derivative Transactions2
Class A Common Stock
Direct
Shares
+10K
Price / share
$2.80
Trade value
$28K
% of position
1000.0%
8/10/2026
1K→11K
Class A Common Stock
Direct
Shares
−10K
Price / share
$92.86
Trade value
$928.60K
% of position
90.9%
8/10/2026
11K→1K
Total
Net shares
+0.00
Net value
-$900.60K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock Direct | 8/10/2026 | M · Option Exercise | +10K | $2.80 | $28K | 1000.0% | 1K | 11K |
| Class A Common Stock Direct | 8/10/2026 | S · Sale | −10K | $92.86 | $928.60K | 90.9% | 11K | 1K |
| Total | +0.00 | -$900.60K | ||||||
Derivative Transactions1
Stock Option (right to buy)
Direct
Converts to
Class A Common Stock
10K shares
Shares
−10K
Strike price
2.80
Held after
590K
Exercisable
—
8/10/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (right to buy) Direct | Class A Common Stock10K shares | 8/10/2026 | M · Option Exercise | −10K | 2.80 | — | 590K |