DWSN - CIK 0000799165
DAWSON GEOPHYSICAL CO has filed 997 documents with the SEC between 2004 and 2026. The most frequent type is insider trade (372 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 |
|---|---|---|---|
| Major company event | 8-K | 2010-08-04 | 2010-08-02 |
| Major company event | 8-K | 2010-06-17 | 2010-06-11 |
| Quarterly report | 10-Q | 2010-05-10 | 2010-03-31 |
| Annual report (amended) | 10-K/A | 2010-05-04 | 2009-12-31 |
| Major company event | 8-K | 2010-05-03 | 2010-05-03 |
| Major company event | 8-K | 2010-04-26 | 2010-04-20 |
| Proxy statement | DEF 14A | 2010-04-23 | 2010-06-11 |
| Insider trade | 4 | 2010-04-12 | 2007-12-10 |
| Annual report | 10-K | 2010-03-16 | 2009-12-31 |
| Major company event | 8-K | 2010-03-01 | 2010-03-01 |
| Annual insider summary | 5 | 2010-02-10 | 2009-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2010-01-26 | - |
| Insider trade | 4 | 2009-12-08 | 2009-12-04 |
| Insider trade | 4 | 2009-12-08 | 2009-06-03 |
| Insider trade | 4 | 2009-12-08 | 2009-12-04 |
| Insider trade | 4 | 2009-12-08 | 2009-12-04 |
| Insider trade | 4 | 2009-12-08 | 2009-12-04 |
| Quarterly report | 10-Q | 2009-11-09 | 2009-09-30 |
| Major company event | 8-K | 2009-11-02 | 2009-11-02 |
| Major company event | 8-K | 2009-10-19 | 2009-10-16 |
| Major company event | 8-K | 2009-09-22 | 2009-09-16 |
| Quarterly report | 10-Q | 2009-08-07 | 2009-06-30 |
| Major company event | 8-K | 2009-07-27 | 2009-07-27 |
| Insider trade | 4 | 2009-06-19 | 2009-06-19 |
| Insider trade | 4 | 2009-06-11 | 2009-06-10 |
| Insider trade | 4 | 2009-05-28 | 2009-05-27 |
| Insider trade | 4 | 2009-05-28 | 2009-05-27 |
| Quarterly report | 10-Q | 2009-05-08 | 2009-03-31 |
| Annual report to shareholders | ARS | 2009-05-06 | 2008-12-31 |
| Insider trade | 4 | 2009-05-01 | 2009-04-29 |
| Proxy statement | DEF 14A | 2009-04-28 | 2009-06-02 |
| Major company event | 8-K | 2009-04-27 | 2009-04-27 |
| Major company event | 8-K | 2009-04-22 | 2009-04-16 |
| Major company event | 8-K | 2009-03-31 | 2009-03-25 |
| SEC correspondence | UPLOAD | 2009-03-23 | - |
| Company correspondence | CORRESP | 2009-03-19 | - |
| Annual report | 10-K | 2009-03-16 | 2008-12-31 |
| SEC correspondence | UPLOAD | 2009-03-09 | - |
| Company correspondence | CORRESP | 2009-02-27 | - |
| SEC correspondence | UPLOAD | 2009-02-25 | - |
| Major company event | 8-K | 2009-02-23 | 2009-02-23 |
| Passive ownership stake (update) | SC 13G/A | 2009-02-13 | - |
| Company correspondence | CORRESP | 2009-02-06 | - |
| Passive ownership stake (update) | SC 13G/A | 2009-01-30 | - |
| Company correspondence | CORRESP | 2009-01-26 | - |
| Passive ownership stake (update) | SC 13G/A | 2009-01-09 | - |
| SEC correspondence | UPLOAD | 2009-01-06 | - |
| Insider trade | 4 | 2008-12-18 | 2008-12-18 |
| Insider trade | 4 | 2008-12-04 | 2008-12-02 |
| Insider trade | 4 | 2008-11-21 | 2008-11-21 |