Karen Marie Walker

Karen Marie Walker is a declared insider of Kyverna Therapeutics, Inc., with filings sourced from SEC (Form 4). In total, 4 filings cover trades dated from 6 June 2024 to 15 December 2025.

Sales make up the whole of the open-market record (1 sale, €249k). Besides market trades, the filings include 1 share grant and 2 option exercises. In 2025 alone, the filings show no purchases and 1 sale.

On 17 December 2025 came the latest disclosure, an open-market sale for €249k in Kyverna Therapeutics, Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 3 days. The legal deadline for a Form 4 is two business days after the transaction. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.