William Anthony Clark, CEO and President of Dawson Geophysical Company, filed a Form 4 on October 29, 2026, reporting the disposition of 12,175 shares of common stock on October 27, 2026, to satisfy tax withholding obligations tied to a restricted stock vesting.

Key Highlights

  • Reporting person: William Anthony Clark, CEO and President of Dawson Geophysical Company (NASDAQ:DWSN)
  • Transaction date: October 27, 2026
  • Shares disposed: 12,175 shares of common stock ($0.01 par value) surrendered, coded "F" (payment of exercise price or tax liability)
  • Price per share: $2.09, as reported in the filing
  • Reason for disposal: Shares surrendered to satisfy tax withholding obligations upon vesting of restricted stock under the Amended and Restated Dawson Geophysical Company 2006 Stock and Performance Incentive Plan
  • Remaining beneficial ownership: 139,675 shares held directly following the transaction

Clark's Restricted Stock Vesting Triggers Tax-Related Share Surrender at Dawson Geophysical

According to the filing, William Anthony Clark, serving as CEO and President of Dawson Geophysical Company, disposed of 12,175 shares of the company's common stock on October 27, 2026. The transaction was coded "F," which the filing indicates represents the surrender of shares to satisfy tax withholding obligations arising from the vesting of restricted stock previously issued to Clark under the Amended and Restated Dawson Geophysical Company 2006 Stock and Performance Incentive Plan.

The shares were disposed of at a price of $2.09 per share and are listed as directly owned and disposed of (code "D" for ownership form). Following this transaction, the filing reports that Clark directly holds 139,675 shares of Dawson Geophysical Company common stock. No derivative securities transactions were reported in Table II of the filing.

The Form 4 was filed on October 29, 2026, two days after the transaction date. Clark's address is listed as 508 W. Wall Street, Suite 800, Midland, Texas 79701. The filing does not indicate that the transaction was made pursuant to a Rule 10b5-1(c) trading plan.

What Was Disclosed

The filing discloses a single non-derivative transaction in which CEO William Anthony Clark surrendered 12,175 shares of Dawson Geophysical common stock at $2.09 per share on October 27, 2026, solely to cover tax withholding upon restricted stock vesting, leaving him with 139,675 shares held directly.