Dawson Geophysical Company
SEC Filing Keyword Search
| Filing date | Form | Description | Filing Group | View |
|---|---|---|---|---|
| 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
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| 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
View HTML | |
| SC 13G | A statement of beneficial ownership of common stock by certain persons |
Other
|
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| 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
View HTML | |
| 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
View HTML | |
| 4 | Statement of changes in beneficial ownership of securities |
3,4,5
|
View HTML | |
| SC 13G/A | An amendment to the SC 13G filing |
Other
|
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| S-8 POS | Post-effective amendment to an S-8 filing |
Registration Statements
|
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| 3 | Initial filing by director officer or owner of more than ten percent. |
3,4,5
|
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| 3 | Initial filing by director officer or owner of more than ten percent. |
3,4,5
|
View HTML |