TNC - CIK 0000097134
TENNANT CO has filed 1,568 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (784 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| New insider ownership | 3 | 2009-12-17 | 2009-12-16 |
| Major company event | 8-K | 2009-12-17 | 2009-12-16 |
| EFFECT | - | 2009-12-15 | - |
| Company correspondence | CORRESP | 2009-12-11 | - |
| S-3/A | - | 2009-12-10 | - |
| Company correspondence | CORRESP | 2009-12-10 | - |
| Insider trade | 4 | 2009-11-25 | 2009-11-24 |
| SEC correspondence | UPLOAD | 2009-11-17 | - |
| Insider trade | 4 | 2009-11-12 | 2009-11-11 |
| Insider trade | 4 | 2009-11-12 | 2009-11-09 |
| S-3/A | - | 2009-11-03 | - |
| Company correspondence | CORRESP | 2009-11-03 | - |
| Quarterly report | 10-Q | 2009-11-03 | 2009-09-30 |
| Major company event | 8-K | 2009-10-27 | 2009-10-23 |
| SEC correspondence | UPLOAD | 2009-08-27 | - |
| Insider trade | 4 | 2009-08-19 | 2009-08-19 |
| New insider ownership | 3 | 2009-08-19 | 2009-08-19 |
| Major company event | 8-K | 2009-08-19 | 2009-08-19 |
| Insider trade (amended) | 4/A | 2009-08-18 | 2009-08-11 |
| Insider trade | 4 | 2009-08-11 | 2009-08-10 |
| Insider trade | 4 | 2009-08-05 | 2009-08-04 |
| Quarterly report | 10-Q | 2009-08-04 | 2009-06-30 |
| Securities registration | S-3 | 2009-07-30 | - |
| Major company event | 8-K | 2009-07-30 | 2009-06-30 |
| Major company event | 8-K | 2009-07-30 | 2009-07-30 |
| Employee plan annual report | 11-K | 2009-06-29 | 2008-12-31 |
| Quarterly report | 10-Q | 2009-05-11 | 2009-03-31 |
| Passive ownership stake (update) | SC 13G/A | 2009-05-08 | - |
| Major company event | 8-K | 2009-05-07 | 2009-03-31 |
| Activist ownership stake | SC 13D | 2009-04-06 | - |
| Insider trade | 4 | 2009-03-27 | 2008-01-02 |
| Annual report to shareholders | ARS | 2009-03-23 | 2008-12-31 |
| Proxy materials | DEFA14A | 2009-03-20 | - |
| Proxy statement | DEF 14A | 2009-03-20 | 2009-04-29 |
| Annual report | 10-K | 2009-03-16 | 2008-12-31 |
| Major company event | 8-K | 2009-03-10 | 2009-03-04 |
| Employee stock plan | S-8 | 2009-03-05 | - |
| Insider trade | 4 | 2009-03-03 | 2009-02-27 |
| Insider trade | 4 | 2009-03-03 | 2009-02-27 |
| Insider trade | 4 | 2009-03-03 | 2009-02-27 |
| Insider trade | 4 | 2009-03-03 | 2009-02-27 |
| Insider trade | 4 | 2009-03-03 | 2009-02-27 |
| Insider trade | 4 | 2009-03-03 | 2009-02-27 |
| Insider trade | 4 | 2009-03-03 | 2009-02-27 |
| Insider trade | 4 | 2009-02-24 | 2009-02-23 |
| Major company event | 8-K | 2009-02-24 | 2009-02-24 |
| Passive ownership stake (update) | SC 13G/A | 2009-02-13 | - |
| Passive ownership stake | SC 13G | 2009-02-12 | - |
| Passive ownership stake (update) | SC 13G/A | 2009-02-06 | - |
| Insider trade (amended) | 4/A | 2009-02-04 | 2008-12-31 |