TNC SCHEDULE 13D/A: Activist campaign
An amendment to a Schedule 13D was
Filed with the SEC on · accession 0000807249-26-000086
TNC filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Sep 22, 2026. An amendment to a Schedule 13D was filed regarding Tennant Co, indicating a change in a previously reported activist or large shareholder position. The stock moved +1.4% by the first close after the filing.
Summary of the filing
An amendment to a Schedule 13D was filed regarding Tennant Co, indicating a change in a previously reported activist or large shareholder position. The filing text does not disclose specific details of the change.
Key details
How TNC stock reacted
Close before
$65.83
Sep 21, 2026
First close after
+1.35%
$66.72
5 trading days
+3.62%
$68.21
Since filing
+8.61%
$71.50
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Click hereFrequently asked questions
What did TNC file with the SEC on Sep 22, 2026?
TNC filed a SCHEDULE 13D/A (Activist campaign). An amendment to a Schedule 13D was filed regarding Tennant Co, indicating a change in a previously reported activist or large shareholder position. The filing text does not disclose specific details of the change.
What does a activist campaign mean for TNC stock?
A settlement removes uncertainty; the stock often reacts to whether the amount is bigger or smaller than investors expected.
How do I read a SCHEDULE 13D/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 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).
How did TNC stock react to this filing?
TNC closed at $65.83 before the filing and $66.72 on Sep 22, 2026 (+1.35%). Five trading days later: $68.21 (+3.62%).
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