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LTGO SCHEDULE 13G: SEC filing

Westlake BioPartners entities

Filed with the SEC on · accession 0001104659-26-120296

LTGO filed a SCHEDULE 13G (schedule 13g) with the SEC on Oct 29, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -1.8% by the first close after the filing.

Summary of the filing

Westlake BioPartners entities filed a Schedule 13G joint filing agreement regarding their beneficial ownership position in Latigo Biotherapeutics, Inc. The filing is a passive investment disclosure with no stated plans to influence company control.

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Key details

Reporting person / filerWestlake BioPartners Fund I, L.P.
Reporting person / filerWestlake BioPartners Opportunity Fund I, L.P.
Reporting person / filerWestlake BioPartners Fund II, L.P.
General partner of reporting personWestlake BioPartners GP I, LLC
General partner of reporting personWestlake BioPartners Opportunity GP I, LLC
General partner of reporting personWestlake BioPartners GP II, LLC
Issuer / subject companyLatigo Biotherapeutics, Inc.
Attorney-in-factJennifer L. Kercher
Individual filerDr. Beth C. Seidenberg

How LTGO stock reacted

Close before

$15.83

Oct 28, 2026

First close after

-1.83%

$15.54

5 trading days

-11.31%

$14.04

Since filing

-20.40%

$12.60

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Frequently asked questions

What did LTGO file with the SEC on Oct 29, 2026?

LTGO filed a SCHEDULE 13G (SEC filing). Westlake BioPartners entities filed a Schedule 13G joint filing agreement regarding their beneficial ownership position in Latigo Biotherapeutics, Inc. The filing is a passive investment disclosure with no stated plans to influence company control.

How do I read a SCHEDULE 13G?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did LTGO stock react to this filing?

LTGO closed at $15.83 before the filing and $15.54 on Oct 29, 2026 (-1.83%). Five trading days later: $14.04 (-11.31%).

Other LTGO SEC filings

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