William Anthony Clark
CIK 1481594 · CEO & President · last filed 2025-10-28
William Anthony Clark is a CEO & President who has filed 8 SEC Form 4 insider transactions across 2 companies since 2010. The most recent filing, for DWSN, was dated Oct 28, 2025. Across all open-market trades the lifetime net is −$20.7K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $703.1K across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$703.1K
2
8
-$20.7K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| DWSN | CEO & President | 151,850 | $4.63 | $703.1K | $0 | 6 | 2025-10-28 |
| Global Geophysical Services Inc (GGS) Delisted | Sr. VP and CSO | 38,275 | — | — | -$20.7K | 2 | 2011-02-15 |
Recent Filings
8 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-10-28 | DWSN | Grant (A) | +150,000 | $0 | EDGAR |
| 2025-09-09 | DWSN | Grant (A) | +550 | $874 | EDGAR |
| 2025-08-21 | DWSN | Grant (A) | +500 | $700 | EDGAR |
| 2025-06-17 | DWSN | Grant (A) | +50 | $68 | EDGAR |
| 2025-06-09 | DWSN | Grant (A) | +600 | $786 | EDGAR |
| 2025-01-21 | DWSN | Grant (A) | +150 | $0 | EDGAR |
| 2011-02-15 | Global Geophysical Services Inc (GGS) Delisted | Grant (A) | +5,000 | $0 | EDGAR |
| 2010-04-29 | Global Geophysical Services Inc (GGS) Delisted | Mixed | −1,725 | -$20.7K | EDGAR |