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CIK 0000799165 · Non-accelerated filer<br>Smaller reporting company

DAWSON GEOPHYSICAL CO

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Ticker
DWSN
Exchange
Nasdaq
Industry
Oil & Gas Field Exploration Services
FY end
Dec 31
Incorporated
TX
Entity type
operating
EIN
742095844
Phone
4326843000
Business address
508 WEST WALL, SUITE 800, MIDLAND, TX, 79701
Former names
TGC INDUSTRIES INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2017-09-30 HOOVER GARY M Director Grant or award +2,852 51,146
2017-09-30 BARRETT WILLIAM J Director Grant or award +2,768 678,724
2017-08-10 Thomas James W EVP, Chief Technical Officer Grant or award +15,000 $3.97 $59K 50,372
2017-08-10 TOBIAS C RAY EVP, Chief Operating Officer Grant or award +15,000 $3.97 $59K 109,194
2017-08-10 WHITENER WAYNE A Director Grant or award +5,000 $3.97 $20K 44,750
2017-08-10 Brata James Kevin EVP, Chief Financial Officer Grant or award +15,000 $3.97 $59K 51,718
2017-08-10 JUMPER STEPHEN C President/CEO Grant or award +24,000 $3.97 $95K 209,279
2017-06-30 MCINNES ALLEN T Director Grant or award +2,946 357,044
2017-06-30 Vander Ploeg Mark A Director Grant or award +2,946 24,687
2017-06-30 COOPER CRAIG W Director Grant or award +3,041 51,616
2017-06-30 HOOVER GARY M Director Grant or award +3,231 48,294
2017-06-30 North Ted R Director Grant or award +3,231 41,254
2017-06-30 BARRETT WILLIAM J Director Grant or award +3,136 675,956
2017-05-30 BARRETT WILLIAM J Director Purchase +10,000 $3.90 $39K 677,820
2017-05-30 BARRETT WILLIAM J Director Purchase +5,000 $3.90 $20K 672,820
2017-05-18 BARRETT WILLIAM J Director Purchase +5,000 $4.05 $20K 667,820
2017-05-17 BARRETT WILLIAM J Director Purchase +5,000 $4.20 $21K 662,820
2017-05-15 BARRETT WILLIAM J Director Purchase +4,833 $4.50 $22K 657,820
2017-05-15 BARRETT WILLIAM J Director Purchase +4,833 $4.50 $22K 657,280
2017-05-12 BARRETT WILLIAM J Director Purchase +167 $4.50 $752 652,987

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