Dawson Geophysical Company

Last updated September 27, 2026

Organization details

Legal name
Dawson Geophysical Company
Former names
TGC Industries Inc
Ownership
Public
Status
Active
Sector (GICS)
Energy
SIC code
1382 — Oil & Gas Field Exploration Services
Jurisdiction of incorporation
Texas
Headquarters city
Midland
Headquarters state / province
Texas
Headquarters country
United States
Fiscal year end
December
Ticker symbol
DWSN
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0000799165
EIN
74-2095844

Board of directors

Director election results

Annual meeting of November 30, 2023. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

2 of this board's directors also sit on 2 other boards. 1 is in the same sector.

Network of Dawson Geophysical Company's board connections ProFrac Holding Corp. ProFrac Holding Corp. Flotek Industries Inc. Flotek Industries Inc. Matthew Wilks Matthew Wilks Sergei Krylov Sergei Krylov Dawson Geophysical Company
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$0
0 sales by 0 insiders
Date Insider Transaction Shares Price Value
Oct 27, 2026 Clark William Anthony Officer (CEO & President) Shares withheld for tax −12,175 $2.09 $25,446
Oct 27, 2026 Mays Ray L Officer (EVP & Chief Operating Officer) Shares withheld for tax −8,116 $2.09 $16,962
Jun 30, 2026 Mays Ray L Officer (EVP & Chief Operating Officer) Grant or award +150 — —
Dec 31, 2025 Farris Wilks Director, 10% owner Other −15,547,010 — —
Oct 27, 2025 Mays Ray L Officer (EVP & Chief Operating Officer) Grant or award +100,000 — —
Oct 27, 2025 Clark William Anthony Officer (CEO & President) Grant or award +150,000 — —
Sep 9, 2025 Clark William Anthony Officer (CEO & President) Grant or award +550 $1.59 $875
Aug 20, 2025 Clark William Anthony Officer (CEO & President) Grant or award +500 $1.40 $700
Aug 18, 2025 Shaw Ian M. Officer (Chief Financial Officer) Grant or award +5,000 $1.35 $6,750
Aug 18, 2025 Mays Ray L Officer (EVP & Chief Operating Officer) Grant or award +1,000 $1.38 $1,380
Aug 18, 2025 Mays Ray L Officer (EVP & Chief Operating Officer) Grant or award +1,000 $1.39 $1,390
Aug 18, 2025 Mays Ray L Officer (EVP & Chief Operating Officer) Grant or award +1,050 $1.40 $1,470
Aug 15, 2025 Mays Ray L Officer (EVP & Chief Operating Officer) Grant or award +500 $1.29 $645
Aug 15, 2025 Shaw Ian M. Officer (Chief Financial Officer) Grant or award +5,000 $1.28 $6,400
Aug 15, 2025 Mays Ray L Officer (EVP & Chief Operating Officer) Grant or award +500 $1.28 $640

Organizations in the same sector, closest in location and size first.

Questions about Dawson Geophysical Company

How many directors are on Dawson Geophysical Company's board?

Dawson Geophysical Company's board has 6 directors: Albert S. Conly, Bruce Franklin Bradley, Farris Wilks, Jose Carlos Fernandes, Matthew Wilks and Sergei Krylov.

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