0001104659-21-088639.txt : 20210702
0001104659-21-088639.hdr.sgml : 20210702
20210702101036
ACCESSION NUMBER: 0001104659-21-088639
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210630
FILED AS OF DATE: 20210702
DATE AS OF CHANGE: 20210702
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Klofas Michael L
CENTRAL INDEX KEY: 0001676043
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-32472
FILM NUMBER: 211068332
MAIL ADDRESS:
STREET 1: 64 WINDHAM DRIVE
CITY: EAST LONGMEADOW
STATE: MA
ZIP: 01028
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: DAWSON GEOPHYSICAL CO
CENTRAL INDEX KEY: 0000799165
STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382]
IRS NUMBER: 742095844
STATE OF INCORPORATION: TX
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 508 WEST WALL
STREET 2: SUITE 800
CITY: MIDLAND
STATE: TX
ZIP: 79701
BUSINESS PHONE: 4326843000
MAIL ADDRESS:
STREET 1: 508 WEST WALL
STREET 2: SUITE 800
CITY: MIDLAND
STATE: TX
ZIP: 79701
FORMER COMPANY:
FORMER CONFORMED NAME: TGC INDUSTRIES INC
DATE OF NAME CHANGE: 19920703
4
1
tm2121282-2_4seq1.xml
OWNERSHIP DOCUMENT
X0306
4
2021-06-30
0
0000799165
DAWSON GEOPHYSICAL CO
DWSN
0001676043
Klofas Michael L
64 WINDHAM DRIVE
EAST LONGMEADOW
MA
01028
1
0
0
0
Dawson Geophysical Company-Common Stock $0.01 par value
2021-06-30
4
A
0
2830
0
A
36663
D
Michael L Klofas
2021-07-02