SNY SCHEDULE 13G/A: SEC filing

Sanofi

Filed with the SEC on Oct 26, 2026 · accession 0001172661-26-004700

SNY filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Oct 26, 2026. Sanofi filed an amended Schedule 13G indicating a passive institutional ownership position. The stock moved +0.5% by the first close after the filing.

Summary of the filing

Sanofi filed an amended Schedule 13G indicating a passive institutional ownership position. The filing text provided contains only EDGAR directory listing metadata and no substantive ownership details.

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Key details

Subject companySanofi

How SNY stock reacted

Close before

$41.60

Oct 23, 2026

First close after

+0.46%

$41.79

5 trading days

+6.59%

$44.34

Since filing

+8.97%

$45.33

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Frequently asked questions

What did SNY file with the SEC on Oct 26, 2026?

SNY filed a SCHEDULE 13G/A (SEC filing). Sanofi filed an amended Schedule 13G indicating a passive institutional ownership position. The filing text provided contains only EDGAR directory listing metadata and no substantive ownership details.

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 SNY stock react to this filing?

SNY closed at $41.60 before the filing and $41.79 on Oct 26, 2026 (+0.46%). Five trading days later: $44.34 (+6.59%).

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