CECO SCHEDULE 13G/A: SEC filing
An institutional holder
Filed with the SEC on · accession 0000052388-26-000231
CECO filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +3.6% by the first close after the filing.
Summary of the filing
An institutional holder filed an amended Schedule 13G (passive ownership) for CECO Environmental Corp. The filing indicates a change in the holder's passive ownership position, though the specific holder, share count, and percentage are not disclosed in the available filing text.
Key details
How CECO stock reacted
Close before
$76.82
Aug 13, 2026
First close after
+3.61%
$79.59
5 trading days
-4.97%
$73.00
Since filing
-25.25%
$57.42
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Click hereFrequently asked questions
What did CECO file with the SEC on Aug 14, 2026?
CECO filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G (passive ownership) for CECO Environmental Corp. The filing indicates a change in the holder's passive ownership position, though the specific holder, share count, and percentage are not disclosed in the available filing text.
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 CECO stock react to this filing?
CECO closed at $76.82 before the filing and $79.59 on Aug 14, 2026 (+3.61%). Five trading days later: $73.00 (-4.97%).
Other CECO SEC filings
- SCHEDULE 13G/A · SEC filingNov 5, 2026
- 8-K · Delisting noticeOct 5, 2026
- SCHEDULE 13G/A · SEC filingAug 14, 2026
- 8-K · SEC filingAug 10, 2026
- 10-Q · SEC filingAug 10, 2026
- 8-K · SEC filingAug 3, 2026
- 8-K · Guidance raiseJun 9, 2026
- 8-K · SEC filingJun 1, 2026
- 8-K · SEC filingMay 28, 2026
- 10-Q · SEC filingApr 30, 2026
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