KYTX Kyverna Therapeutics, Inc.

NASDAQ
$8.37

Kyverna Therapeutics, Inc. (KYTX) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
2
2 transactions
Insiders selling
1
1 transaction
Purchases
$2.0M
266,666 shares
Sales
$292.8K
23,998 shares
Net activity
$1.7M
purchases less sales

How much of that selling was preplanned? 100% planned / 0% discretionary

10b5-1 plan sales $292.8K 1 transaction · 23,998 shares
Discretionary sales $0 0 transactions · 0 shares

Largest single sale: $292.8K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: December 18, 2025 .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Buy 133,333 $7.50 $1000.0K 869,317
SEIDENBERG BETH C Director Buy 133,333 $7.50 $1000.0K 869,317
Walker Karen Marie Chief Technology Officer Sell 10b5-1 23,998 $12.20 $292.8K 22,636 −51.5% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.