Insider Transactions Reported by 17 Insiders of DAWSON GEOPHYSICAL CO

Symbol: DWSN on Nasdaq
Location: Midland, TX

Quick Takeaways

DWSN - DAWSON GEOPHYSICAL CO has 17 insiders with reported activity on this page.
No net insider buy/sell flow is currently reported for the last year.
Recent transaction rows are available for direct filing-level review.

What Changed

No meaningful buy/sell imbalance is currently visible in the one-year window.
Activity will update as new Forms 3/4/5 are filed.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 30 Apr 2025.

Buys

Shares: 0

Insiders: 0

Sells

Shares: 0

Insiders: 0

Net

Shares: 0

Insiders: 0

Window (months)	Buy $	Sell $	Net $
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

DAWSON GEOPHYSICAL CO executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Valuation	Report Date
Wilks Brothers, LLC	Director, 10%+ Owner	$41,835,462	Mixed	13 Sep 2023
William Anthony Clark	CEO & President	$267,256	Mixed	27 Oct 2025
Ray L. Mays	EVP & Chief Operating Officer	$190,960	Mixed	27 Oct 2025
Sergei Krylov	Director	$37,791	Mixed	16 May 2025
Ian M. Shaw	Chief Financial Officer	$27,000	Mixed	15 Aug 2025
C. Ray Tobias	EVP, Chief Operating Officer		Mixed	16 Aug 2022
Ted R. North	Director		Mixed	18 Jan 2022
Craig W. Cooper	Director		Mixed	18 Jan 2022
Mark A. Vander Ploeg	Director		Mixed	18 Jan 2022
Matthew Wilks	Director		Mixed	18 Jan 2022
Bruce Franklin Bradley	Director		Mixed	01 Oct 2024
Jose Carlos Fernandes	Director		Mixed	01 Oct 2024
Farris Wilks	Director, 10%+ Owner		Mixed	31 Dec 2025
Stephen C. Jumper	President/CEO		Mixed	16 Aug 2022
Albert S. Conly	Director		Mixed	01 Oct 2024
James K. Brata	EVP, Chief Financial Officer		Mixed	16 Aug 2022
Michael L. Klofas	Director		Mixed	18 Jan 2022

Top shareholders of DAWSON GEOPHYSICAL CO (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Farris Wilks	13D/G	Dan Wilks	79%	24,658,746	$48,331,142	$0	31 Dec 2025	13D/G
Dan H. Wilks	13D/G	Dan Wilks	79%	24,658,746	$43,399,393	$0	27 Oct 2025	13D/G
Wilks Brothers, LLC	3/4/5	Director, 10%+ Owner	— mixed-class rows	49,218,190 mixed-class rows	$41,835,462	—	13 Sep 2023	3/4/5
GRACE & WHITE INC /NY	13F	Company	2.9%	906,546	$1,414,212	—	31 Dec 2025	13F
RBF Capital, LLC	13F	Company	1.5%	451,798	$704,805	—	31 Dec 2025	13F
William Anthony Clark	3/4/5	CEO & President	0.49%	151,850	$267,256	—	27 Oct 2025	3/4/5
GABELLI FUNDS LLC	13F	Company	0.47%	145,200	$226,512	—	31 Dec 2025	13F
Ray L. Mays	3/4/5	EVP & Chief Operating Officer	0.35%	108,500	$190,960	—	27 Oct 2025	3/4/5
US BANCORP \DE\	13F	Company	0.36%	112,404	$175,350	—	31 Dec 2025	13F
VANGUARD GROUP INC	13F	Company	0.35%	108,907	$169,895	—	31 Dec 2025	13F
SALEM INVESTMENT COUNSELORS INC	13F	Company	0.25%	77,800	$121,368	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.17%	53,319	$83,194	—	31 Dec 2025	13F
PINNACLE ASSOCIATES LTD	13F	Company	0.17%	52,360	$81,682	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.15%	46,470	$72,493	—	31 Dec 2025	13F
Mink Brook Asset Management LLC	13F	Company	0.12%	37,460	$58,438	—	31 Dec 2025	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.12%	37,416	$58,369	—	31 Dec 2025	13F
Sergei Krylov	3/4/5	Director	0.09%	28,415	$37,791	—	16 May 2025	3/4/5
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.07%	21,710	$33,868	—	31 Dec 2025	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.07%	21,600	$33,696	—	31 Dec 2025	13F
XTX Topco Ltd	13F	Company	0.07%	21,127	$32,958	—	31 Dec 2025	13F
Teton Advisors, LLC	13F	Company	0.06%	20,000	$31,200	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	0.06%	18,690	$29,156	—	31 Dec 2025	13F
Virtu Financial LLC	13F	Company	0.06%	18,418	$29,000	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	0.06%	17,608	$27,469	—	31 Dec 2025	13F
Ian M. Shaw	3/4/5	Chief Financial Officer	0.06%	20,000	$27,000	—	15 Aug 2025	3/4/5
HRT FINANCIAL LP	13F	Company	0.05%	16,935	$26,000	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.04%	11,877	$18,528	—	31 Dec 2025	13F
RAYMOND JAMES FINANCIAL INC	13F	Company	0.03%	10,593	$16,525	—	31 Dec 2025	13F
PIN OAK INVESTMENT ADVISORS INC	13F	Company	0%	1,072	$2,000	—	31 Dec 2025	13F
OSAIC HOLDINGS, INC.	13F	Company	0%	1,000	$1,560	—	31 Dec 2025	13F
Tower Research Capital LLC (TRC)	13F	Company	0%	963	$1,502	—	31 Dec 2025	13F
UBS Group AG	13F	Company	0%	654	$1,020	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	7	$11	—	31 Dec 2025	13F
SBI Securities Co., Ltd.	13F	Company	0%	2	$3	—	31 Dec 2025	13F
CITIGROUP INC	13F	Company	0%	1	$2	—	31 Dec 2025	13F
WELLS FARGO & COMPANY/MN	13F	Company	0%	1	$1	—	31 Dec 2025	13F
Albert S. Conly	3/4/5	Director	— class O/S missing	19,165	—	—	01 Oct 2024	3/4/5
Bruce Franklin Bradley	3/4/5	Director	— class O/S missing	19,165	—	—	01 Oct 2024	3/4/5
Jose Carlos Fernandes	3/4/5	Director	— class O/S missing	19,165	—	—	01 Oct 2024	3/4/5

Recent Insider Transactions by Companies or Individuals for DAWSON GEOPHYSICAL CO

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Shares	Shares Owned	Date	Ownership
Farris Wilks	DWSN	Common Stock, par value $0.01 per share	Other		-15,547,010	$24,658,746	31 Dec 2025	See Footnotes (4)(5).
Ray L. Mays	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	1176.5%	100,000	108,500	27 Oct 2025	Direct
William Anthony Clark	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	8108.1%	150,000	151,850	27 Oct 2025	Direct
William Anthony Clark	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	42.3%	550	1,850	09 Sep 2025	Direct
William Anthony Clark	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	62.5%	500	1,300	20 Aug 2025	Direct
Ray L. Mays	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	56%	3,050	8,500	18 Aug 2025	Direct
Ian M. Shaw	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	33.3%	5,000	20,000	18 Aug 2025	Direct
Ray L. Mays	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	22.5%	1,000	5,450	15 Aug 2025	Direct
Ian M. Shaw	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	50%	5,000	15,000	15 Aug 2025	Direct
William Anthony Clark	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	6.67%	50	800	13 Jun 2025	Direct
William Anthony Clark	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	400%	600	750	06 Jun 2025	Direct
Ray L. Mays	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	196.7%	2,950	4,450	20 May 2025	Direct
Ian M. Shaw	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	53.8%	3,500	10,000	20 May 2025	Direct
Sergei Krylov	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	12%	3,055	28,415	20 May 2025	Direct
Ray L. Mays	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	150%	900	1,500	19 May 2025	Direct
Ian M. Shaw	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	127.7%	3,645	6,500	19 May 2025	Direct
Sergei Krylov	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	11.6%	2,640	25,360	19 May 2025	Direct
Ray L. Mays	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award		600	600	16 May 2025	Direct
Ian M. Shaw	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award		2,855	2,855	16 May 2025	Direct
Sergei Krylov	DWSN	Dawson Geophysical Company-Common Stock $0.01 par value	Award	18.6%	3,555	22,720	16 May 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.