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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in DAWSON GEOPHYSICAL CO. Get notifications about new insider transactions in DAWSON GEOPHYSICAL CO for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Dec 29 2010	TGCI	DAWSON GEOPHYSICAL ...	HURTT STEPHANIE P	Director	Sell	S	3.75	75,288	282,330	36,611	111.9 K to 36.6 K (-67.28 %)
Nov 12 2010	TGCI	DAWSON GEOPHYSICAL ...	HURTT STEPHANIE P	Director	Buy	W	0.00	150,933	0	158,351	7.4 K to 158.4 K (+2,034.69 %)
Nov 15 2010	TGCI	DAWSON GEOPHYSICAL ...	HURTT STEPHANIE P	Director	Sell	S	0.00	46,452	0	111,899	158.4 K to 111.9 K (-29.33 %)
Oct 12 2010	TGCI	DAWSON GEOPHYSICAL ...	HURTT STEPHANIE P	Director	Buy	W	0.00	7,418	0	7,418	0 to 7.4 K
Apr 12 2010	TGCI	DAWSON GEOPHYSICAL ...	HURTT STEPHANIE P	Director	Buy	W	0.00	219,058	0	254,637	35.6 K to 254.6 K (+615.69 %)
Dec 08 2009	TGCI	DAWSON GEOPHYSICAL ...	HURTT STEPHANIE P	Director	Option Exercise	A	4.07	18,987	77,277	18,987
Dec 08 2009	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	A	4.07	18,987	77,277	18,987
Dec 08 2009	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Gift	G	0.00	4,397	0	966,699	971.1 K to 966.7 K (-0.45 %)
Dec 08 2009	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	A	4.07	18,987	77,277	18,987
Dec 08 2009	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	A	4.07	18,987	77,277	18,987
Dec 08 2009	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	A	4.07	18,987	77,277	18,987
Jun 19 2009	TGCI	DAWSON GEOPHYSICAL ...	Brata James Kevin	VP; Secy; Treas; CF ...	Sell	S	4.77	1,575	7,513	10,500	12.1 K to 10.5 K (-13.04 %)
Jun 11 2009	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	4.68	10,000	46,800	67,732	77.7 K to 67.7 K (-12.86 %)
May 28 2009	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Sell	S	5.00	5,250	26,250	29,489	34.7 K to 29.5 K (-15.11 %)
May 28 2009	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	5.09	1,000	5,090	77,732	78.7 K to 77.7 K (-1.27 %)
May 28 2009	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	5.10	8,700	44,361	78,732	87.4 K to 78.7 K (-9.95 %)
May 28 2009	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	5.13	300	1,538	87,432	87.7 K to 87.4 K (-0.34 %)
May 01 2009	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	3.25	3,700	12,025	83,555	87.3 K to 83.6 K (-4.24 %)
May 01 2009	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	3.26	1,300	4,244	87,255	88.6 K to 87.3 K (-1.47 %)
Dec 18 2008	TGCI	DAWSON GEOPHYSICAL ...	Brata James Kevin	VP and CFO	Buy	P	2.56	1,500	3,840	11,500	10 K to 11.5 K (+15.00 %)
Dec 04 2008	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	P	2.05	6,000	12,300	25,000	19 K to 25 K (+31.58 %)
Dec 04 2008	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	P	2.00	4,000	8,000	19,000	15 K to 19 K (+26.67 %)
Nov 21 2008	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Buy	P	1.17	17,700	20,709	924,854	907.2 K to 924.9 K (+1.95 %)
Nov 21 2008	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Buy	P	1.10	1,000	1,100	88,555	87.6 K to 88.6 K (+1.14 %)
Nov 21 2008	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Buy	P	1.09	5,000	5,450	33,085	28.1 K to 33.1 K (+17.80 %)
Nov 21 2008	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	P	1.80	4,600	8,280	249,223	244.6 K to 249.2 K (+1.88 %)
Nov 12 2008	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	P	2.45	5,000	12,250	15,000	10 K to 15 K (+50.00 %)
Nov 04 2008	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Buy	P	2.15	1,000	2,150	87,555	86.6 K to 87.6 K (+1.16 %)
Nov 03 2008	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	P	2.26	10,000	22,600	10,000	0 to 10 K
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	Brata James Kevin	Vice President	Option Exercise	A	3.37	30,000	101,100	30,000
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	A	3.41	22,059	75,221	22,059
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	A	9.24	9,493	87,715	9,968
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Gift	G	0.00	213	0	333,222	333.4 K to 333.2 K (-0.06 %)
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	A	3.41	22,059	75,221	22,059
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	A	9.24	9,493	87,715	9,968
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	A	3.41	22,059	75,221	22,059
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	A	9.24	9,493	87,715	9,968
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	HURTT STEPHANIE P	Director	Option Exercise	A	3.41	22,059	75,221	22,059
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	HURTT STEPHANIE P	Director	Option Exercise	A	9.24	9,493	87,715	9,968
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	A	3.41	22,059	75,221	22,059
Oct 27 2008	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	A	9.24	9,493	87,715	9,968
Dec 07 2007	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	9.14	5,438	49,703	83,166	88.6 K to 83.2 K (-6.14 %)
Dec 13 2007	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	9.07	162	1,469	78,004	78.2 K to 78 K (-0.21 %)
Dec 13 2007	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	9.10	3,000	27,286	78,166	81.2 K to 78.2 K (-3.70 %)
Dec 13 2007	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	9.04	1,000	9,040	81,166	82.2 K to 81.2 K (-1.22 %)
Dec 13 2007	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	9.05	1,000	9,050	82,166	83.2 K to 82.2 K (-1.20 %)
Aug 09 2007	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Sell	S	10.23	4,757	48,664	26,748	31.5 K to 26.7 K (-15.10 %)
Mar 05 2007	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Option Exercise	M	0.76	8,400	6,384	0
Mar 05 2007	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Buy	M	0.76	8,400	6,384	30,005	21.6 K to 30 K (+38.88 %)
Mar 05 2007	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Option Exercise	M	0.76	17,499	13,299	0
Mar 05 2007	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Buy	M	0.76	17,499	13,299	88,604	71.1 K to 88.6 K (+24.61 %)
Sep 15 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Gift	G	0.00	1,050	0	1,492,016	1.5 M to 1.5 M (-0.07 %)
Aug 08 2006	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Grant	A	0.00	11,000	0	21,605	10.6 K to 21.6 K (+103.72 %)
Aug 08 2006	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Grant	A	0.00	30,000	0	71,105	41.1 K to 71.1 K (+72.98 %)
Aug 08 2006	TGCI	DAWSON GEOPHYSICAL ...	USELTON KENNETH W	Secretary and Treas ...	Grant	A	0.00	9,000	0	18,686	9.7 K to 18.7 K (+92.92 %)
May 08 2006	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Gift	G	0.00	22,000	0	746,135	768.1 K to 746.1 K (-2.86 %)
May 08 2006	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Sell	S	15.25	1,900	28,975	768,135	770 K to 768.1 K (-0.25 %)
May 10 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	15.11	20,000	302,200	511,960	532 K to 512 K (-3.76 %)
May 08 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	15.10	15,000	226,500	531,960	547 K to 532 K (-2.74 %)
May 08 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	15.00	9,500	142,500	546,960	556.5 K to 547 K (-1.71 %)
May 08 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	15.10	14,500	218,950	556,460	571 K to 556.5 K (-2.54 %)
May 05 2006	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Sell	S	15.43	6,600	101,838	770,035	776.6 K to 770 K (-0.85 %)
May 05 2006	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Sell	S	15.10	10,000	151,000	776,635	786.6 K to 776.6 K (-1.27 %)
May 05 2006	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Sell	S	15.05	10,000	150,500	786,635	796.6 K to 786.6 K (-1.26 %)
May 03 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	14.62	600	8,772	85,774	86.4 K to 85.8 K (-0.69 %)
May 04 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	15.00	12,834	192,510	60,040	72.9 K to 60 K (-17.61 %)
May 04 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	14.75	12,900	190,275	72,874	85.8 K to 72.9 K (-15.04 %)
May 04 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	15.17	6,000	91,020	570,960	577 K to 571 K (-1.04 %)
May 04 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Sell	S	14.81	15,000	222,150	576,960	592 K to 577 K (-2.53 %)
May 03 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Sell	S	15.00	2,700	40,500	132,467	135.2 K to 132.5 K (-2.00 %)
May 03 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Sell	S	15.05	3,893	58,590	1,493,066	1.5 M to 1.5 M (-0.26 %)
May 03 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Sell	S	14.98	7,000	104,860	1,496,959	1.5 M to 1.5 M (-0.47 %)
May 03 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Gift	G	0.00	1,500	0	1,503,959	1.5 M to 1.5 M (-0.10 %)
May 03 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Gift	G	0.00	2,000	0	1,505,459	1.5 M to 1.5 M (-0.13 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	USELTON KENNETH W	Secretary and Treas ...	Option Exercise	J	5.06	250	1,265	5,250
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	USELTON KENNETH W	Secretary and Treas ...	Option Exercise	J	0.76	300	228	6,300
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	USELTON KENNETH W	Secretary and Treas ...	Buy	J	0.00	461	0	9,686	9.2 K to 9.7 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Option Exercise	J	5.06	250	1,265	5,250
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Option Exercise	J	0.76	400	304	8,400
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Buy	J	0.00	505	0	10,605	10.1 K to 10.6 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	J	6.81	70	477	1,465
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	J	0.95	260	247	5,460
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	J	0.00	10,565	0	221,881	211.3 K to 221.9 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	J	0.00	46,414	0	974,705	928.3 K to 974.7 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Gift	G	0.00	225	0	928,291	928.5 K to 928.3 K (-0.02 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Option Exercise	J	0.95	260	247	5,460
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Buy	J	0.00	540	0	11,340	10.8 K to 11.3 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Buy	J	0.00	37,935	0	796,635	758.7 K to 796.6 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Option Exercise	J	5.06	2,500	12,650	52,500
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Option Exercise	J	0.76	833	633	17,499
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Buy	J	0.00	1,957	0	41,105	39.1 K to 41.1 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	J	6.81	70	477	1,465
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	J	0.95	260	247	5,460
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Buy	J	0.00	39,431	0	828,066	788.6 K to 828.1 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	J	6.81	70	477	1,465
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	J	0.95	87	83	1,820
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Buy	J	0.00	4,113	0	86,374	82.3 K to 86.4 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Buy	J	0.00	28,188	0	591,960	563.8 K to 592 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	J	6.81	70	477	1,465
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	J	0.95	260	247	5,460
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Buy	J	0.00	6,436	0	135,167	128.7 K to 135.2 K (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Buy	J	0.00	71,783	0	1,507,459	1.4 M to 1.5 M (+5.00 %)
Apr 27 2006	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Gift	G	0.00	18,200	0	1,435,676	1.5 M to 1.4 M (-1.25 %)
Mar 07 2006	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Option Exercise	M	0.80	16,667	13,334	16,666
Mar 07 2006	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Buy	M	0.80	16,667	13,334	39,148	22.5 K to 39.1 K (+74.14 %)
Nov 18 2005	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Option Exercise	M	1.00	10,000	10,000	0
Nov 18 2005	TGCI	DAWSON GEOPHYSICAL ...	Winn Daniel G	Vice President	Buy	M	1.00	10,000	10,000	10,100	100 to 10.1 K (+10,000.00 %)
Oct 19 2005	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Option Exercise	S	0.20	371,000	74,200	0
Oct 19 2005	TGCI	DAWSON GEOPHYSICAL ...	HURTT WILLIAM C JR	Director	Buy	C	0.00	375,000	0	758,700	383.7 K to 758.7 K (+97.73 %)
Oct 19 2005	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	S	0.20	162,329	32,466	0
Oct 19 2005	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	S	0.20	371,000	74,200	0
Oct 19 2005	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	S	0.30	200,000	60,000	0
Oct 14 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Option Exercise	S	0.30	50,000	15,000	0
Oct 14 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Option Exercise	M	0.80	16,667	13,334	33,333
Oct 14 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Buy	M	0.80	16,667	13,334	22,481	5.8 K to 22.5 K (+286.67 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	C	0.00	188,500	0	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	S	0.20	162,329	32,466	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	S	0.20	371,000	74,200	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	S	0.30	200,000	60,000	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Option Exercise	M	1.00	10,000	10,000	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Buy	C	0.00	188,500	0	788,635	600.1 K to 788.6 K (+31.41 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	MCINNES ALLEN T	Director	Sell	M	1.00	10,000	10,000	600,135	610.1 K to 600.1 K (-1.64 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	C	0.00	47,000	0	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	C	0.00	188,500	0	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	S	0.20	162,329	32,466	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	S	0.20	371,000	74,200	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	S	0.30	200,000	60,000	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Option Exercise	M	1.00	10,000	10,000	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Buy	C	0.00	47,000	0	82,261	35.3 K to 82.3 K (+133.29 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Buy	C	0.00	188,500	0	563,772	375.3 K to 563.8 K (+50.23 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	GARDNER HERBERT M	Director	Buy	M	1.00	10,000	10,000	375,272	365.3 K to 375.3 K (+2.74 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	C	0.00	188,500	0	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Option Exercise	M	1.00	10,000	10,000	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	C	0.00	188,500	0	211,316	22.8 K to 211.3 K (+826.17 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	FLYNN EDWARD L	Director	Buy	M	1.00	10,000	10,000	928,516	918.5 K to 928.5 K (+1.09 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	C	0.00	75,500	0	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	C	0.00	709,200	0	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	S	0.20	162,329	32,466	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	S	0.20	371,000	74,200	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	S	0.30	200,000	60,000	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Option Exercise	M	1.00	10,000	10,000	0
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Buy	C	0.00	75,500	0	128,731	53.2 K to 128.7 K (+141.83 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Buy	C	0.00	709,200	0	1,453,876	744.7 K to 1.5 M (+95.24 %)
Oct 13 2005	TGCI	DAWSON GEOPHYSICAL ...	BARRETT WILLIAM J	Director	Buy	M	0.00	10,000	0	744,676	734.7 K to 744.7 K (+1.36 %)
Jun 03 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Option Exercise	M	1.00	18,800	18,800	0
Jun 03 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	4.21	4,000	16,840	5,814	9.8 K to 5.8 K (-40.76 %)
Jun 03 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	4.38	2,500	10,950	9,814	12.3 K to 9.8 K (-20.30 %)
Jun 03 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	4.52	2,000	9,036	12,314	14.3 K to 12.3 K (-13.97 %)
Jun 03 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	4.48	2,000	8,965	14,314	16.3 K to 14.3 K (-12.26 %)
Jun 03 2005	TGCI	DAWSON GEOPHYSICAL ...	WHITENER WAYNE A	President and CEO	Sell	S	4.47	2,000	8,949	16,314	18.3 K to 16.3 K (-10.92 %)

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