Hanna John Walter JR is a corporate insider who has filed 2 SEC Form 4 transactions in the past 12 months across 0 companies. No open-market purchases were recorded; all transactions were sales or other dispositions. Insider activity is one signal among many — past performance does not guarantee future results.

Hanna John Walter JR

CEO

Latest Insider Transactions

3 transactions (past 365 days)

CDNA
CEO
Sale
$217.2K
10,282 shares @ $21.12
Filed 2026-04-20Trade 2026-04-16
Caredx, Inc.
CDNA
CEO
Tax Payment
$626.1K
35,037 shares @ $17.87
Filed 2026-04-03Trade 2026-04-01
Caredx, Inc.
CDNA
CEO
Sale
-$213.8K
10,156 shares @ $21.05
Filed 2026-01-20Trade 2026-01-15
Caredx, Inc.