KYTX insider buying and SEC filings, explained
Kyverna Therapeutics, Inc. · CIK 1994702
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Biological Products, (No Diagnostic Substances)
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- Kyverna Therapeutics, Inc.
Insider activity in the last 12 months
Bought
$2.0M
Insiders who bought
2
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$293K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Dec 18, 2025 | Purchase (code P) | Beth C. Seidenberg (Director) bought 133,333 shares indirectly at $7.50 ($1.0M), reported as a purchase (code P). Indirect holdings up 18% to 869,317 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 22, 2025 |
| Dec 18, 2025 | Purchase (code P) | Westlake BioPartners Fund I, L.P. (10% owner) bought 133,333 shares indirectly at $7.50 ($1.0M), reported as a purchase (code P). Indirect holdings up 18% to 869,317 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 3 other reporting owners. | SEC filing Filed Dec 22, 2025 |
| Dec 15, 2025 | Planned (10b5-1) | Karen Marie Walker (Chief Technology Officer) sold 23,998 shares at $12.20 ($293K), marked as a 10b5-1 plan trade. Holdings down 51% to 22,636 shares. | SEC filing Filed Dec 17, 2025 |
15 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$2.0M in purchases since Dec 18, 2025 · Purchases traded Dec 18, 2025 to Dec 18, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Westlake BioPartners Fund I, L.P. (10% owner) | $1.0M | Dec 18, 2025 | SEC filing |
| Beth C. Seidenberg (Director) | $1.0M | Dec 18, 2025 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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