Westlake BioPartners Opportunity Fund I, L.P.

SEC Form 4 insider trading activity

Westlake BioPartners Opportunity Fund I, L.P. has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2025. 1 of those filings fall inside the rolling window. Most recent filing: Dec 22, 2025.

On the most recent filing, Westlake BioPartners Opportunity Fund I, L.P. is listed as 10% Owner at Kyverna Therapeutics, Inc. Inside the rolling window, Westlake BioPartners Opportunity Fund I, L.P. reported 1 open-market purchase totaling $1000K in KYTX and no open-market sales.

Companies traded

Other insiders at KYTX

Insider Buying

$1000K

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

1

in the rolling window

Source
KYTXPurchase$1000KDec 22SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Westlake BioPartners Opportunity Fund I, L.P. made?

Westlake BioPartners Opportunity Fund I, L.P. has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2025.

Which companies does Westlake BioPartners Opportunity Fund I, L.P. trade?

Westlake BioPartners Opportunity Fund I, L.P. has filed SEC Form 4 disclosures for 1 company, including KYTX.

When was Westlake BioPartners Opportunity Fund I, L.P.'s most recent SEC Form 4 filing?

Westlake BioPartners Opportunity Fund I, L.P.'s most recent SEC Form 4 filing on Tracefour is dated Dec 22, 2025.

What is Westlake BioPartners Opportunity Fund I, L.P.'s total buy and sell value in the current window?

Inside the rolling retention window, Westlake BioPartners Opportunity Fund I, L.P. bought $1000K and sold $0 based on SEC Form 4 filings.

What was Westlake BioPartners Opportunity Fund I, L.P.'s largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 133,333 KYTX shares on 2025-12-18, worth $1000K, per SEC Form 4 filings.