Bosch John Roderick Ten holds the role of SVP of Laboratory Operations at BillionToOne, Inc. (BLLN). Ten has reported 9 insider filings with the SEC since 2025. The most recent filing was in September 2026.
Every role Bosch John Roderick Ten has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
BillionToOne, Inc. (BLLN)5 filingsLatest filing:
Bosch John Roderick Ten is SVP of Laboratory Operations of BillionToOne, Inc. (BLLN). 7 SEC Form 4 filings on record going back to 2025, most recently on 11 September 2026. Most recent open-market trade: sold $138K of BLLN on 11 September 2026. Lifetime open-market purchases: $48K. Lifetime open-market sales: $1.40M.
Every recent SEC Form 4 transaction Bosch John Roderick Ten has reported, most recent first.
InsiderAlpha's records for Bosch John Roderick Ten go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. The typical open-market purchase is $48K (1 buy totaling $48K). The largest single buy on record is $48K of BLLN in 2025. Sales side: 9 recorded sales totaling $1.40M, so the filing history runs sell-heavy by dollar value. 9 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
Insiders who reported open-market trades in the last 12 months at the companies Bosch John Roderick Ten files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Bosch John Roderick Ten is a corporate insider, tracked as SVP of Laboratory Operations of BillionToOne, Inc. (BLLN). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
5 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchase ($48K) and 9 open-market sales ($1.40M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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