BillionToOne SVP John Roderick ten Bosch Sells 1,417 Shares

What Happened
John Roderick ten Bosch, Senior Vice President of Laboratory Operations at BillionToOne (BLLN), sold 1,417 shares on August 25, 2026. The shares were disposed at $100.00 per share for a total transaction value of $141,700. The filing identifies the transaction as an open-market or private sale.

Key Details

• Transaction date: 2026-08-25; Price: $100.00 per share; Shares sold: 1,417; Proceeds: $141,700.
• Filing date / accession: Form filed 2026-08-27 (Accession 0002087126-26-000009) — filed two days after the transaction, which appears timely under Form 4 rules.
• Shares owned after transaction: Not specified in the information provided.
• Footnote: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026 (pre-arranged trading plan).

Context
Trades under a 10b5-1 plan are pre-scheduled and commonly used by insiders to sell shares without regard to inside information; they do not necessarily signal a change in the insider’s view of the company. This was a sale (a routine disposition) rather than a purchase or option exercise.