511 filings
Page 10 of 26
S-8
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2 Jun 15
Registration of securities for employees
12:00am
8-K
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18 May 15
Results of Operations and Financial Condition
12:00am
8-K
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8 May 15
Regulation FD Disclosure
12:00am
NT 10-Q
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8 May 15
Notice of late quarterly filing
12:00am
8-K/A
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30 Apr 15
Report of Independent Registered Public Accounting Firm
12:00am
10-QT
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23 Mar 15
Quarterly report for transitional period
12:00am
8-K
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23 Mar 15
Changes in Registrant's Certifying Accountant
12:00am
8-K
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2 Mar 15
Quarterly Earnings Release Schedule
12:00am
8-K
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25 Feb 15
Dawson Geophysical to Present at the Raymond James 36th Annual Institutional Investors Conference
12:00am
8-K
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13 Feb 15
Dawson Geophysical to Present at EnerCom’s Oil & Services Conference 13
12:00am
S-8 POS
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12 Feb 15
Registration of securities for employees (post-effective amendment)
12:00am
8-K
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11 Feb 15
Dawson Geophysical Announces Completion of
12:00am
8-K
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9 Feb 15
Dawson Geophysical and TGC Industries Shareholders Approve Strategic Business Combination
12:00am
425
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9 Feb 15
Business combination disclosure
12:00am
S-8
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6 Feb 15
Registration of securities for employees
12:00am
DEFA14A
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15 Jan 15
Additional proxy soliciting materials
12:00am
8-K
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13 Jan 15
Other Events
12:00am