Insider · CIK 0001811946
Westlake BioPartners Opportunity Fund I, L.P.
Files at KYTX (Kyverna Therapeutics, Inc.), LTGO (Latigo Biotherapeutics, Inc.). First filing Dec 22, 2025, latest Dec 22, 2025.
In brief
Westlake BioPartners Opportunity Fund I, L.P. files SEC Form 4 as 10% owner at KYTX (Kyverna Therapeutics, Inc.), and also at LTGO (Latigo Biotherapeutics, Inc.). Since Dec 22, 2025, Westlake BioPartners Opportunity Fund I, L.P. has reported 1 open-market buy worth $1000k and 0 open-market sells worth $0, the latest filed on Dec 22, 2025.
A track record needs three past buys with six months of prices behind them; Westlake BioPartners Opportunity Fund I, L.P. has 0, so none is measured yet.
The newest scored trade: bought $1000k of KYTX on Dec 18, 2025, filed Dec 22, 2025, scored 43 (moderate). In the last 12 months: 1 buy worth $1000k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
KYTX: Kyverna Therapeutics, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 43Moderate | Kyverna Therapeutics, Inc. | $1000k 133,333 shares | +18% | - |
Transactions
Every row this insider has filed, 1 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 18, 2025 | KYTX Kyverna Therapeutics, Inc. | POpen-market purchase Common Stockindirect: See Footnote | +133,333 | $7.50 | $1000k | 869,317 | Dec 22, 2025 |
Questions about Westlake BioPartners Opportunity Fund I, L.P.
Answered from the filings on this page, as of the latest one.
Is Westlake BioPartners Opportunity Fund I, L.P. buying or selling?
In the last 12 months Westlake BioPartners Opportunity Fund I, L.P. reported 1 open-market buy worth $1000k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $1000k of KYTX on Dec 18, 2025. Grants, option exercises and tax withholding are not counted.
How did Westlake BioPartners Opportunity Fund I, L.P.'s past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Westlake BioPartners Opportunity Fund I, L.P. has 0.
Where does Westlake BioPartners Opportunity Fund I, L.P. file Form 4?
Westlake BioPartners Opportunity Fund I, L.P. has filed Form 4 at KYTX (Kyverna Therapeutics, Inc.); LTGO (Latigo Biotherapeutics, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.