SCHEDULE 13G/A

Personalis Inc

Class A Common Stock, par value $0.0001 per share · CUSIP: 71535D106

Event date: 2025-06-18

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Bradley A. Keywell

  Shares: 6,071,744.00 · Class: 3.46%

• BK TL21 LLC

  Shares: 2,213,198.00 · Class: 1.26%

• The Keywell Foundation Inc

  Shares: 357,900.00 · Class: 0.02%

• Churchill Investments 21 LLC

  Shares: 3,305,486.00 · Class: 1.88%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.