Clark William Anthony

CEO & President at DAWSON OPERATING CO · on record since Nov 2, 2023
Sr. VP and CSO at Global Geophysical Services Inc · on record since Feb 15, 2011

Insider trading activity of Clark William Anthony

Transactions on record: 18; since Apr 29, 2010

Open-market buys: 0

Open-market sells: 1; $20.7K

Companies traded: 2; last filing Oct 28, 2025

Figures computed from official regulatory filings — .

Companies where Clark William Anthony has traded

DAWSON OPERATING CO6 tx · $2.4K · Oct 28, 2025
Global Geophysical Services Inc12 tx · $20.7K · Feb 15, 2011

Track record of Clark William Anthony

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Clark William Anthony

Co-insiders of Clark William Anthony

Mays Ray LDAWSON OPERATING CO +1
BAHORICH MICHAEL SGlobal Geophysical Services Inc
Barrett William JDAWSON OPERATING CO
BEDDOW CAPITAL MANAGEMENT INCDAWSON OPERATING CO
Beddow Edward GeorgeDAWSON OPERATING CO
BERNEY PHILIP EGlobal Geophysical Services Inc
Bradley Bruce FranklinDAWSON OPERATING CO
Brasher James E.Global Geophysical Services Inc
Brata James KevinDAWSON OPERATING CO
BROWN FRANK DOUGLASDAWSON OPERATING CO
BROWN PAUL HDAWSON OPERATING CO
BYNUM FRANK KGlobal Geophysical Services Inc
CLEMENTS CALVIN JDAWSON OPERATING CO
Collins Christopher LGlobal Geophysical Services Inc
Conly Albert S.DAWSON OPERATING CO
Connors James J IIGlobal Geophysical Services Inc
COOPER CRAIG WDAWSON OPERATING CO
Crowl MelodyDAWSON OPERATING CO
DAWSON L DECKERDAWSON OPERATING CO
Degner Richard AGlobal Geophysical Services Inc
FARES ISSAM MDAWSON OPERATING CO
Fernandes Jose CarlosDAWSON OPERATING CO
Fleure Thomas JGlobal Geophysical Services Inc
FLYNN EDWARD LDAWSON OPERATING CO

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
DAWSON OPERATING COListing unverified	Oct 28, 2025	Award	150,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DAWSON OPERATING COListing unverified	Sep 9, 2025	Award	550	1.59 USD	$874.5	SEC
DAWSON OPERATING COListing unverified	Aug 21, 2025	Award	500	1.40 USD	$700	SEC
DAWSON OPERATING COListing unverified	Jun 17, 2025	Award	50	1.36 USD	$68	SEC
DAWSON OPERATING COListing unverified	Jun 9, 2025	Award	600	1.31 USD	$786	SEC
DAWSON OPERATING COListing unverified	Jan 21, 2025	Award	150	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Feb 15, 2011	Award	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	Sell	-1,725	12.00	$20.7K	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	15,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	15,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	Other	-35,000	—	n/a (No price was disclosed in the filing)	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	Other	35,000	—	n/a (No price was disclosed in the filing)	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
DAWSON OPERATING COListing unverified	Oct 28, 2025	Award	150,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DAWSON OPERATING COListing unverified	Sep 9, 2025	Award	550	1.59 USD	$874.5	SEC
DAWSON OPERATING COListing unverified	Aug 21, 2025	Award	500	1.40 USD	$700	SEC
DAWSON OPERATING COListing unverified	Jun 17, 2025	Award	50	1.36 USD	$68	SEC
DAWSON OPERATING COListing unverified	Jun 9, 2025	Award	600	1.31 USD	$786	SEC
DAWSON OPERATING COListing unverified	Jan 21, 2025	Award	150	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Feb 15, 2011	Award	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	Sell	-1,725	12.00	$20.7K	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	15,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	15,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	Other	-35,000	—	n/a (No price was disclosed in the filing)	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	Other	35,000	—	n/a (No price was disclosed in the filing)	SEC
Global Geophysical Services IncListing unverified	Apr 29, 2010	OtherD (derivative)	5,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC