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Stocks/XENE/SEC Filings/SCHEDULE 13G/A Nov 5, 2026

XENE SCHEDULE 13G/A: SEC filing

An institutional investor

Filed with the SEC on Nov 5, 2026 · accession 0000315066-26-002888

XENE filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 5, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -3.9% by the first close after the filing.

Summary of the filing

An institutional investor filed an amended Schedule 13G disclosing its passive ownership position in Xenon Pharmaceuticals Inc. (XENE).

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Key details

Subject companyXenon Pharmaceuticals Inc.

How XENE stock reacted

Close before

$39.19

Nov 4, 2026

First close after

-3.85%

$37.68

5 trading days

—

Since filing

-0.05%

$39.17

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Frequently asked questions

What did XENE file with the SEC on Nov 5, 2026?

XENE filed a SCHEDULE 13G/A (SEC filing). An institutional investor filed an amended Schedule 13G disclosing its passive ownership position in Xenon Pharmaceuticals Inc. (XENE).

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 XENE stock react to this filing?

XENE closed at $39.19 before the filing and $37.68 on Nov 5, 2026 (-3.85%).

Other XENE SEC filings

  • SCHEDULE 13G · SEC filingNov 6, 2026
  • SCHEDULE 13G/A · SEC filingNov 6, 2026
  • SCHEDULE 13G/A · SEC filingAug 13, 2026
  • 10-Q · SEC filingAug 6, 2026
  • 8-K · SEC filingAug 6, 2026
  • 8-K · SEC filingJun 3, 2026
  • 10-Q · SEC filingMay 7, 2026
  • 8-K · SEC filingMay 7, 2026
  • DEF 14A · Board changeApr 22, 2026

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Source: SEC EDGAR filing 0000315066-26-002888. The summary and key details are extracted by SEPT from the filing and may contain errors. Price reaction uses daily closing prices. Not financial advice.