ten Bosch John Roderick 4

What Happened
John ten Bosch, Senior Vice President of Laboratory Operations at BillionToOne (BLLN), sold 1,416 shares on June 29, 2026. The shares were disposed at $120.00 per share for a total transaction value of $169,920. This was a sale (not a purchase); sales by insiders can be routine and are not necessarily a negative signal about the company.

Key Details

• Transaction date: 2026-06-29
• Transaction type/code: Sale (S) — open market or private sale
• Price per share: $120.00
• Shares sold: 1,416
• Total proceeds: $169,920
• Shares owned after transaction: Not disclosed in this Form 4
• Filing date: 2026-07-01 — appears filed within the normal two-business-day window
• Footnote: Transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026 (prearranged trading plan)

Context
The sale was executed under a 10b5-1 plan, which typically means the trades were pre-scheduled and may be routine rather than a near-term signal about company prospects. Retail investors should treat this as factual reporting of insider activity; it does not by itself indicate management sentiment.