ABUS SCHEDULE 13G/A: SEC filing

Arbutus Biopharma Corp

Filed with the SEC on Oct 7, 2026 · accession 0000895421-26-000284

ABUS filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Oct 7, 2026. Arbutus Biopharma Corp filed a Schedule 13G/A, an amendment to a passive ownership disclosure. The stock moved -4.2% by the first close after the filing.

Summary of the filing

Arbutus Biopharma Corp filed a Schedule 13G/A, an amendment to a passive ownership disclosure. The filing indicates a change in a holder's passive stake in the company.

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Key details

IssuerArbutus Biopharma Corp

How ABUS stock reacted

Close before

$4.48

Oct 6, 2026

First close after

-4.24%

$4.29

5 trading days

-8.26%

$4.11

Since filing

-18.42%

$3.65

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Frequently asked questions

What did ABUS file with the SEC on Oct 7, 2026?

ABUS filed a SCHEDULE 13G/A (SEC filing). Arbutus Biopharma Corp filed a Schedule 13G/A, an amendment to a passive ownership disclosure. The filing indicates a change in a holder's passive stake in the company.

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 ABUS stock react to this filing?

ABUS closed at $4.48 before the filing and $4.29 on Oct 7, 2026 (-4.24%). Five trading days later: $4.11 (-8.26%).

Other ABUS SEC filings

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