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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
2021-06-30 Klofas Michael L Director Grant or award +2,830 36,663
2021-06-30 COOPER CRAIG W Director Grant or award +2,830 90,082
2021-06-01 TOBIAS C RAY EVP, Chief Operating Officer Shares withheld for taxes −4,620 $2.39 $11K 100,382
2021-06-01 Brata James Kevin EVP, Chief Financial Officer Shares withheld for taxes −4,620 $2.39 $11K 62,252
2020-09-17 TOBIAS C RAY EVP, Chief Operating Officer Sale −2,448 $1.75 $4K 105,002
2020-09-16 TOBIAS C RAY EVP, Chief Operating Officer Sale −13,639 $1.75 $24K 107,450
2020-09-15 TOBIAS C RAY EVP, Chief Operating Officer Sale −516 $1.75 $903 121,089
2020-08-10 TOBIAS C RAY EVP, Chief Operating Officer Shares withheld for taxes −3,465 $1.75 $6K 121,605
2020-08-10 Thomas James W EVP, Chief Technical Officer Shares withheld for taxes −4,165 $1.75 $7K 67,430
2020-08-10 Brata James Kevin EVP, Chief Financial Officer Shares withheld for taxes −3,465 $1.75 $6K 66,872
2020-03-10 JUMPER STEPHEN C President/CEO Purchase +10,000 $1.31 $13K 245,316
2019-12-31 Vander Ploeg Mark A Director Grant or award +5,368 25,281
2019-12-31 North Ted R Director Grant or award +5,214 79,393
2019-12-31 Klofas Michael L Director Grant or award +4,754 33,833
2019-12-31 HOOVER GARY M Director Grant or award +4,754 84,371
2019-12-31 COOPER CRAIG W Director Grant or award +4,754 87,252
2019-12-31 BARRETT WILLIAM J Director Grant or award +5,061 786,510
2019-09-30 BARRETT WILLIAM J Director Grant or award +6,062 781,449
2019-09-30 COOPER CRAIG W Director Grant or award +5,715 82,498
2019-09-30 HOOVER GARY M Director Grant or award +5,715 79,617

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