SEPTInvestingStart Free

CLSK SCHEDULE 13G/A: SEC filing

An amendment to a Schedule 13G was

Filed with the SEC on · accession 0000009631-26-000030

CLSK filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Oct 19, 2026. An amendment to a Schedule 13G was filed regarding beneficial ownership of CleanSpark, Inc. (CLSK). The stock moved +0.7% by the first close after the filing.

Summary of the filing

An amendment to a Schedule 13G was filed regarding beneficial ownership of CleanSpark, Inc. (CLSK). The filing indicates a change in a holder's passive ownership position.

For details, click here →

Key details

IssuerCleanSpark, Inc.

How CLSK stock reacted

Close before

$8.40

Oct 16, 2026

First close after

+0.71%

$8.46

5 trading days

-6.19%

$7.88

Since filing

-26.67%

$6.16

✦ Ask GOAX AI about this filing — what it means for CLSK, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for CLSK?

Click here

Frequently asked questions

What did CLSK file with the SEC on Oct 19, 2026?

CLSK filed a SCHEDULE 13G/A (SEC filing). An amendment to a Schedule 13G was filed regarding beneficial ownership of CleanSpark, Inc. (CLSK). The filing indicates a change in a holder's passive ownership position.

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).

How did CLSK stock react to this filing?

CLSK closed at $8.40 before the filing and $8.46 on Oct 19, 2026 (+0.71%). Five trading days later: $7.88 (-6.19%).

Other CLSK SEC filings

Get alerts when CLSK files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
CLSK overviewCLSK analysisCLSK newsLatest SEC filings