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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
2019-02-15 TOBIAS C RAY EVP, Chief Operating Officer Shares withheld for taxes −6,930 $3.87 $27K 125,070
2019-02-15 Thomas James W EVP, Chief Technical Officer Shares withheld for taxes −6,095 $3.87 $24K 58,595
2019-02-15 JUMPER STEPHEN C President/CEO Shares withheld for taxes −13,282 $3.87 $51K 235,316
2019-02-15 Brata James Kevin EVP, Chief Financial Officer Shares withheld for taxes −4,966 $3.87 $19K 70,337
2018-12-31 Vander Ploeg Mark A Director Grant or award +3,848 40,640
2018-12-31 North Ted R Director Grant or award +3,739 58,563
2018-12-31 Klofas Michael L Director Grant or award +3,409 14,811
2018-12-31 HOOVER GARY M Director Grant or award +3,409 65,349
2018-12-31 COOPER CRAIG W Director Grant or award +3,409 68,230
2018-12-31 BARRETT WILLIAM J Director Grant or award +3,629 766,333
2018-09-28 Vander Ploeg Mark A Director Grant or award +2,230 36,792
2018-09-28 North Ted R Director Grant or award +2,170 54,824
2018-09-28 COOPER CRAIG W Director Grant or award +1,868 64,821
2018-09-28 BARRETT WILLIAM J Director Grant or award +1,989 762,704
2018-09-28 Klofas Michael L Director Grant or award +1,989 11,402
2018-09-28 HOOVER GARY M Director Grant or award +1,989 61,940
2018-08-15 BARRETT WILLIAM J Director Purchase +10,000 $5.70 $57K 754,115
2018-08-15 BARRETT WILLIAM J Director Purchase +6,600 $5.50 $36K 760,715
2018-08-13 BARRETT WILLIAM J Director Purchase +3,230 $5.80 $19K 729,065
2018-08-13 BARRETT WILLIAM J Director Purchase +15,000 $5.75 $86K 744,065

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