Personalis (PSNL) President Richard Chen Sells 3,998 Shares

What Happened Richard Chen, President and Chief Medical Officer of Personalis, sold 3,998 shares on September 18, 2026 at $16.22 per share, generating $64,848 in proceeds. The filing reports the disposition as an open market/private sale (code S). This was a sale (routine) rather than a purchase.

Key Details

• Transaction date: 2026-09-18
• Transaction type: Sale (open market or private sale), code S
• Price per share: $16.22
• Shares sold: 3,998
• Total proceeds: $64,848
• Shares owned after transaction: Not reported in the provided filing details
• Footnote: F1 — Shares were automatically sold to cover tax withholding on vested restricted stock units (RSUs)
• Filing date: 2026-09-22 (filed within the SEC’s 2-business-day window; timely)

Context The sale was an automatic tax-withholding disposition tied to RSU settlement, which is a common, administrative transaction and not necessarily a signal of the insider’s view on the company. Such withholding sales are routine; they differ from discretionary sales or purchases that may carry more informational value. No 10b5-1 plan or other special arrangements were noted in the provided details.