CareDx: president and CEO Hanna John Walter JR sold 8,511 shares

What happened

• Hanna John Walter JR, president and CEO and a director, had 8,511 shares withheld to satisfy tax withholding obligations in connection with the issuance of shares upon vesting of restricted stock units. The filing lists a disposition of 8,511 shares at $66.23 each for $563,684.

Key details

• Transaction date and price: Oct 1, 2026; $66.23 per share.
• Transaction code: F (tax withholding).
• Footnote: "These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of restricted stock units." (F1)
• Shares owned after the transaction: not reported in the filing excerpt.
• Filing date: Oct 5, 2026. The filing does not indicate whether it was filed late.

Why it may matter

• This was a tax-withholding disposition tied to RSU vesting (shares withheld by the issuer rather than a market sale).
• The filing does not show why the insider traded or why the company acted.