Insider · CIK 0002088549
Oguzhan Atay
ceochairofficerdirector
Files at BLLN (BillionToOne, Inc.). First filing Sep 16, 2026, latest Sep 30, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $4.4M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
BLLN: BillionToOne, Inc.
BLLNOct 9, 2026 · close 98.09
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | BillionToOne, Inc. | $1.3M 10,999 shares | -132% | +90% from low-19% from high | |
| 50Moderate | BillionToOne, Inc. | $3.0M 30,331 shares | -121% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 28, 2026 | BLLN BillionToOne, Inc. | MOption exercise Class A Common Stock10b5-1 | +8,333 | $2.80 | $23k | 8,333 | 12 d ago |
| Sep 28, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -8,333 | $120.64 | $1.0M | 0 | 12 d ago |
| Sep 28, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stockindirect: By spouse10b5-1 | -2,666 | $120.64 | $322k | 154,502 | 12 d ago |
| Sep 28, 2026 | BLLN BillionToOne, Inc. | MOption exercise Stock Option (right to buy)derivative10b5-1 | -8,333 | $2.80 | $23k | 493,629 | 12 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | MOption exercise Class A Common Stock10b5-1 | +16,666 | $2.80 | $47k | 16,666 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | MOption exercise Class A Common Stock10b5-1 | +8,333 | $2.80 | $23k | 24,999 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -4,465 | $98.63 | $440k | 20,534 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,456 | $99.57 | $245k | 18,078 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,531 | $100.58 | $255k | 15,547 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -7,214 | $101.44 | $732k | 8,333 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,680 | $98.64 | $166k | 6,653 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,500 | $99.57 | $149k | 5,153 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,010 | $100.78 | $203k | 3,143 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,143 | $101.49 | $319k | 0 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stockindirect: By spouse10b5-1 | -2,666 | $98.00 | $261k | 159,834 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | SOpen-market sale Class A Common Stockindirect: By spouse10b5-1 | -2,666 | $98.00 | $261k | 157,168 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | MOption exercise Stock Option (right to buy)derivative10b5-1 | -16,666 | $2.80 | $47k | 510,295 | 26 d ago |
| Sep 14, 2026 | BLLN BillionToOne, Inc. | MOption exercise Stock Option (right to buy)derivative10b5-1 | -8,333 | $2.80 | $23k | 501,962 | 26 d ago |
| Sep 8, 2026 | BLLN BillionToOne, Inc. | CConversion Class A Common Stock | +20,000 | $0.00 | $0 | 20,000 | 32 d ago |
| Sep 9, 2026 | BLLN BillionToOne, Inc. | GGift Class A Common Stock | -20,000 | $0.00 | $0 | 0 | 32 d ago |
| Sep 8, 2026 | BLLN BillionToOne, Inc. | CConversion Class B Common Stockderivative | -20,000 | $0.00 | $0 | 2,197,542 | 32 d ago |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | CConversion Common Stock | +262,434 | - | - | 262,434 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Common Stock | -262,434 | - | - | 0 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Common Stock | -1,965,108 | - | - | 0 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Common Stockindirect: By spouse | -200,000 | - | - | 0 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Class A Common Stock | +262,434 | - | - | 262,434 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Class A Common Stock | +1,965,108 | - | - | 2,227,542 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Class A Common Stockindirect: By spouse | +200,000 | - | - | 200,000 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Class A Common Stock | -2,227,542 | - | - | 0 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | CConversion Series A-1 Convertible Preferred Stockderivative | -262,434 | - | - | 0 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Class B Common Stockderivative | +2,227,542 | $0.00 | $0 | 2,227,542 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Stock Option (right to buy)derivative | -640,000 | - | - | 0 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Stock Option (right to buy)derivative | +640,000 | - | - | 640,000 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Stock Option (right to buy)derivative | -1,003,102 | - | - | 0 | Nov 12, 2025 |
| Nov 7, 2025 | BLLN BillionToOne, Inc. | JOther Stock Option (right to buy)derivative | +1,003,102 | - | - | 1,003,102 | Nov 12, 2025 |
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.