William Anthony Clark - 27 Oct 2026 Form 4 Insider Report for DAWSON GEOPHYSICAL CO (DWSN)

Reporting relationship: CEO & President
Issuer ticker: DWSN
Reported as of: 27 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Oct 2026, 16:01:58 UTC
Prior SEC filing: 28 Oct 2025
Source filing: View source filing
Reporting owner signature: /s/ William Anthony Clark

Filing notes and source

Key filing fact

William Anthony Clark filed Form 4 for DAWSON GEOPHYSICAL CO (DWSN) on 29 Oct 2026.

Key facts

This page summarizes William Anthony Clark's Form 4 filing for DAWSON GEOPHYSICAL CO (DWSN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 29 Oct 2026, 16:01.

Change

Previous filing in this sequence was filed on 28 Oct 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001481594 Primary reporting owner

Clark William Anthony

Relationship: CEO & President
Address: 508 W. WALL STREET, SUITE 800, MIDLAND
Signature: /s/ William Anthony Clark
Signature date: 29 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DWSN transaction

Dawson Geophysical Company-Common Stock $0.01 par value

Tax liability

Transaction value
Shares: -12,175
Change %: -8%
Price: $2.09^*
Shares after: 139,675
Date: 27 Oct 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents the surrender of shares of Common Stock to satisfy tax withholding obligations in connection with the vesting of restricted stock issued to the Reporting person under the Amended and Restated Dawson Geophysical Company 2006 Stock and Performance Incentive Plan.