SS
Sakakibara Shan Riku
OFFICERM
Insider track record
OtherNot enough buy signals with a settled T+90 horizon to measure a track record yet.
Explore the full record of transactions filed by Sakakibara Shan Riku. Insider active across 1 company, notably BillionToOne, Inc.. In total, 16 reports have been logged. Split: 0 buy · 10 sells. Total volume traded: €1.4m. Activity tracked since 9 July 2026. The latest transaction was disclosed on 31 July 2026 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Sakakibara Shan Riku
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Declarations16 total
4,000 shares@ US$140.21Class A Common StockSEC:0002088547-26-000008:0
174 shares@ US$8.650.0000% mcap0.1% of flowClass A Common StockSEC:0002088547-26-000006:0
1,117 shares@ US$30.780.0006% mcap1.1% of flowClass A Common StockSEC:0002088547-26-000006:1
1,355 shares@ US$30.780.0007% mcap1.4% of flowClass A Common StockSEC:0002088547-26-000006:2
1,354 shares@ US$30.780.0007% mcap1.4% of flowClass A Common StockSEC:0002088547-26-000006:3
4,000 shares@ US$125.000.0085% mcap16.6% of flowClass A Common StockSEC:0002088547-26-000006:4
174 shares@ US$125.000.0004% mcap0.7% of flowClass A Common StockSEC:0002088547-26-000006:5
1,117 shares@ US$125.000.0024% mcap4.6% of flowClass A Common StockSEC:0002088547-26-000006:6
1,355 shares@ US$125.000.0029% mcap5.6% of flowClass A Common StockSEC:0002088547-26-000006:7
1,354 shares@ US$125.000.0029% mcap5.6% of flowClass A Common StockSEC:0002088547-26-000006:8
4,000 sharesClass A Common StockSEC:0002088547-26-000004:0
4,000 sharesClass A Common StockSEC:0002088547-26-000004:1
4,000 sharesClass A Common StockSEC:0002088547-26-000004:2
4,000 sharesClass A Common StockSEC:0002088547-26-000002:0
4,000 sharesClass A Common StockSEC:0002088547-26-000002:1
220,000 sharesCommon StockSEC:0001193125-25-278137:0
About Sakakibara Shan Riku
Sakakibara Shan Riku is a declarant linked to BillionToOne, Inc. (XNAS), where the listed role is Chief Product Officer. The record shows 15 filings in total, and across the 15 sampled recent filings there were only sales, for 875100 EUR, between 2025-11-12 and 2026-07-13.