Thomas P. Lynch sold $2.0M of BLLN
See Remarks at BillionToOne, Inc.. 20,000 shares at an average of $99.99, traded Sep 8, 2026, filed Sep 10, 2026.
Score components
- +15RoleOfficer
- +25Trade size$2.0M at market
- +20Share of holdings soldSold 97% of holdings
- +15Cluster4 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0002070849-26-000067, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | MOption exercise Class A Common Stock10b5-1 | +11,042 | $8.65 | $96k | 11,742 | 33 d ago |
| Sep 8, 2026 | MOption exercise Class A Common Stock10b5-1 | +3,969 | $11.55 | $46k | 15,711 | 33 d ago |
| Sep 8, 2026 | MOption exercise Class A Common Stock10b5-1 | +1,663 | $17.12 | $28k | 17,374 | 33 d ago |
| Sep 8, 2026 | MOption exercise Class A Common Stock10b5-1 | +3,326 | $30.78 | $102k | 20,700 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -38 | $96.47 | $3,666 | 20,662 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -1,944 | $98.97 | $192k | 18,718 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -8,285 | $100.12 | $830k | 10,433 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -775 | $100.83 | $78k | 9,658 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -614 | $99.00 | $61k | 9,044 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -2,997 | $100.11 | $300k | 6,047 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -358 | $100.82 | $36k | 5,689 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -385 | $99.22 | $38k | 5,304 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -1,131 | $100.33 | $113k | 4,173 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -147 | $101.41 | $15k | 4,026 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -576 | $98.89 | $57k | 3,450 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -2,518 | $100.20 | $252k | 932 | 33 d ago |
| Sep 8, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -232 | $100.92 | $23k | 700 | 33 d ago |
| Sep 8, 2026 | MOption exercise Stock Option (right to buy)derivative10b5-1 | -11,042 | $8.65 | $96k | 68,358 | 33 d ago |
| Sep 8, 2026 | MOption exercise Stock Option (right to buy)derivative10b5-1 | -3,969 | $11.55 | $46k | 11,031 | 33 d ago |
| Sep 8, 2026 | MOption exercise Stock Option (right to buy)derivative10b5-1 | -1,663 | $17.12 | $28k | 8,337 | 33 d ago |
| Sep 8, 2026 | MOption exercise Stock Option (right to buy)derivative10b5-1 | -3,326 | $30.78 | $102k | 36,674 | 33 d ago |
Related signals
Other insiders at BillionToOne, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 29Weak | BillionToOne, Inc. | John Roderick ten Bosch SVP of Laboratory Operations | $298k 2,834 shares | -13% | |
| 40Moderate | BillionToOne, Inc. | David Tsao Chief Technology Officer | $2.2M 20,000 shares | -95% | |
| 50Moderate | BillionToOne, Inc. | Oguzhan Atay Chairman and CEO | $1.3M 10,999 shares | -132% | |
| 21Weak | BillionToOne, Inc. | John Roderick ten Bosch SVP of Laboratory Operations | $170k 1,416 shares | -6% | |
| 31Weak | BillionToOne, Inc. | David Tsao Chief Technology Officer | $417k 3,333 shares | -77% | |
| 21Weak | BillionToOne, Inc. | John Roderick ten Bosch SVP of Laboratory Operations | $151k 1,416 shares | -6% | |
| 40Moderate | BillionToOne, Inc. | Thomas P. Lynch See Remarks | $3.9M 35,112 shares | -98% | |
| 50Moderate | BillionToOne, Inc. | Oguzhan Atay Chairman and CEO | $3.0M 30,331 shares | -121% | |
| 21Weak | BillionToOne, Inc. | John Roderick ten Bosch SVP of Laboratory Operations | $138k 1,416 shares | -5% | |
| 40Moderate | BillionToOne, Inc. | David Tsao Chief Technology Officer | $2.0M 20,000 shares | -95% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.