Summary
Latest filing:
William Anthony Clark is CEO & President of DAWSON GEOPHYSICAL CO (DWSN). 3 SEC Form 4 filings on record, most recently on 28 October 2025.
Recent Transactions
3Every recent SEC Form 4 transaction William Anthony Clark has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at William Anthony Clark's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Perestroika (Cyprus) Ltd - $18.23M of RIG open-market activity in the last 12 months
- Perestroika - $18.23M of RIG open-market activity in the last 12 months
- Frederik Wilhelm Mohn - $18.23M of RIG open-market activity in the last 12 months
- Kevin J. Mitchell - $17.96M of PSX open-market activity in the last 12 months
- Jeffrey Allen Miller - $16.68M of HAL open-market activity in the last 12 months
- William M. Hickey III - $16.51M of PR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William Anthony Clark?
William Anthony Clark is a corporate insider, tracked as CEO & President of DAWSON GEOPHYSICAL CO (DWSN). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did William Anthony Clark last file a Form 4?
The most recent primary Form 4 on record is dated 28 October 2025, one of 3 filings going back to 2025.
Where can I see all of William Anthony Clark's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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