Form4insider filings, from the source

Insider · CIK 0002088547

Shan Riku Sakakibara

Files at: BLLN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.6M · 2net −$1.6M
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 10, 2026 GForm 4 →Sep 14, 6:47 pm EDTBillionToOne, Inc.BLLN3,500——196,500—
Jul 31, 2026 SForm 4 →Aug 4, 4:32 pm EDTBillionToOne, Inc.BLLN4,000$140.21$560,840200,000−1.96%10b5-1
Jul 9, 2026 SForm 4 →Jul 13, 4:39 pm EDTBillionToOne, Inc.BLLN8,000$125.00$1,000,000204,000−3.77%10b5-1
Jul 9, 2026 MForm 4 →Jul 13, 4:39 pm EDTBillionToOne, Inc.BLLN4,000$29.82$119,269212,000—10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 9, 2026 MForm 4 →Jul 13, 4:39 pm EDTBillionToOne, Inc.BLLN4,000$29.82$119,26961,174—10b5-1