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INSIDER · CIK 2088547

Sakakibara Shan Riku

Chief Product Officer at BillionToOne, Inc. (BLLN)

↗2 Form 4 rows in the window

Covers original filings from Aug 1, 2026 to Oct 29, 2026. Older trades and amendments are in the SEC history.

$0.00Bought on the market
$561KSold on the market
1Companies
Sep 14, 2026Latest filing
Form 4 trades by Sakakibara Shan Riku
CompanyTitleTypeOwned
Sep 14, 202618:47Sep 10, 2026BLLNBillionToOne, Inc.Chief Product OfficerG · Gift—−3,500196,500-2%—
Aug 4, 202616:32Jul 31, 2026BLLNBillionToOne, Inc.Chief Product OfficerS · Sell10b5-1$140.21−4,000200,000-2%−$561K
Sakakibara Shan Riku Insider Trades (BLLN) | Shameless Cloning