BillionToOne (BLLN) SVP John ten Bosch Sells 1,416 Shares

What Happened
John Roderick ten Bosch, Senior Vice President of Laboratory Operations at BillionToOne (BLLN), sold 1,416 shares on September 24, 2026. The shares were sold at $120.00 per share for total proceeds of $169,920. The sale is reported on a Form 4 filed September 28, 2026.

Key Details

• Transaction date: September 24, 2026
• Transaction type: Sale (open market or private sale)
• Shares sold: 1,416 at $120.00 per share
• Proceeds: $169,920
• Shares owned after transaction: Not reported in the provided filing excerpt
• Footnote: Transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 2, 2026 (per footnote F1)
• Filing date: September 28, 2026 (no late-filing indicator provided in the information given)

Context
Sales by executives are commonly routine and can be pre-scheduled via 10b5-1 trading plans; such plans typically reduce the ability to infer insider sentiment from a single sale. Purchases generally carry more weight for signaling confidence, while this reported sale was executed under a documented trading plan.