FLGC SCHEDULE 13G/A: SEC filing

Blockchain Builders Fund I, LP

Filed with the SEC on Nov 13, 2026 · accession 0001969361-26-000003

FLGC filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 13, 2026. Blockchain Builders Fund I, LP filed an amended Schedule 13G reporting beneficial ownership of 276,271 shares (1.3%) of ZeroStack Corp. common stock, with shares received in connection with a share exchange transaction.

Summary of the filing

Blockchain Builders Fund I, LP filed an amended Schedule 13G reporting beneficial ownership of 276,271 shares (1.3%) of ZeroStack Corp. common stock, with shares received in connection with a share exchange transaction. The filing is a passive investment disclosure with no intent to influence control.

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Key details

Shares of common stock beneficially owned$276K

Shares received in share exchange transaction on July 20, 2026$128K

Total outstanding shares of common stock as of August 19, 2026$21.6M

Reporting person / beneficial ownerBlockchain Builders Fund I, LP

General partner of the fundBlockchain Builders GP, LLC

Investment manager of the fundBlockchain Builders, LLC

IssuerZeroStack Corp.

Managing member of general partner and investment managerGil Rosen

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Frequently asked questions

What did FLGC file with the SEC on Nov 13, 2026?

FLGC filed a SCHEDULE 13G/A (SEC filing). Blockchain Builders Fund I, LP filed an amended Schedule 13G reporting beneficial ownership of 276,271 shares (1.3%) of ZeroStack Corp. common stock, with shares received in connection with a share exchange transaction. The filing is a passive investment disclosure with no intent to influence control.

How do I read a SCHEDULE 13G/A?

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/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

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