SEC Form 4/A · accession 0001104659-15-082787
DAWSON GEOPHYSICAL CO · DWSN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
This is an amendment (Form 4/A). It replaces an earlier filing for the same period.
Reporting owner
Mark A Vander Ploeg
Director
Period of report
Dec 1, 2015
Accepted (ET)
Dec 3, 2015 · 6:06 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000799165
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Dawson Geophysical Company-Common Stock $0.01 par value | Dec 1, 2015 | A | 9,933 | $0.00 | A | 21,057 | D |
Table II — derivative securities
No Table II lines on this filing.