0001104659-19-038663.txt : 20190701
0001104659-19-038663.hdr.sgml : 20190701
20190701164240
ACCESSION NUMBER: 0001104659-19-038663
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20190628
FILED AS OF DATE: 20190701
DATE AS OF CHANGE: 20190701
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Vander Ploeg Mark A
CENTRAL INDEX KEY: 0001604461
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-32472
FILM NUMBER: 19933747
MAIL ADDRESS:
STREET 1: 1360 ELDER AVENUE
CITY: MENLO PARK
STATE: CA
ZIP: 94025
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
a4.xml
4
X0306
4
2019-06-28
0
0000799165
DAWSON GEOPHYSICAL CO
DWSN
0001604461
Vander Ploeg Mark A
1360 ELDER AVENUE
MENLO PARK
CA
94025
1
0
0
0
Dawson Geophysical Company-Common Stock $0.01 par value
2019-06-28
4
A
0
5208
0
A
13505
D
Dawson Geophysical Company-Common Stock $0.01 par value
36792
I
Through the Hermosa Trust dated November 3, 2015.
Held through the Hermosa Trust, of which the insider and his wife are trustees and beneficiaries.
Mark A. Vander Ploeg
2019-07-01