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"Insiders might sell their shares for any number of reasons, but they buy them for only one:
they think the price will rise" - Peter Lynch ==>> What is insider trading>> |

| Transaction & Date | Reported Date |
Company | Symbol | Insider Relationship |
Shares Traded | Average Price | Total Amount |
Shares Ownership |
Filing |
| 2007-06-04 Sale |
2007-06-05 1:04 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 59,868 | $28.13 | $1,683,963 | 5,532 (Direct) | View |
| 2007-06-01 Sale |
2007-06-04 10:58 am | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 15,132 | $28 | $423,753 | 5,532 (Direct) |
View |
| 2006-12-12- -2006-12-13 Sale |
2006-12-14 10:02 am |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 42,964 | $27.41 | $1,177,601 | 5,840 (Direct) |
View |
| 2006-03-30 Sale |
2006-03-31 2:36 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 17,600 | $47.04 | $827,829 | 21,482 (Direct) |
View |
| 2006-03-30 Sale | 2006-03-31 2:34 pm |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 38,792 | $47.43 | $1,839,993 | 39,082 (Direct) | View |
| 2006-01-13 Sale | 2006-01-17 10:50 am | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 8,500 | $37.5 | $318,760 | 21,482 (Direct) |
View |
| 2005-09-19 Sale |
2005-09-20 3:28 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 30,625 | $29.83 | $913,630 | 29,982 (Direct) | View |
| 2005-09-14 Sale | 2005-09-16 3:23 pm |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 18,800 | $29.58 | $556,041 | 29,982 (Direct) | View |
| 2005-09-13 Sale | 2005-09-15 4:17 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 1,200 | $29.5 | $35,400 | 29,982 (Direct) | View |
| 2005-06-14 Sale | 2005-06-14 2:41 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 2,000 | $30.32 | $60,648 | 19,988 (Direct) |
View |
| 2004-09-20 Sale | 2004-09-21 11:30 am | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 7,500 | $29.12 | $218,409 | 6,967 (Direct) |
View |
| 2004-08-10 Sale | 2004-08-10 5:08 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 7,500 | $26.23 | $196,727 | 14,467 (Direct) |
View |
| 2003-11-26- -2003-12-01 Sale |
2003-12-01 11:49 am | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 10,000 | $22.2 | $221,950 | 5,016 (Direct) |
View |
| Transaction & Date | Reported Date |
Company | Symbol | Insider Relationship | Shares Traded |
Average Price | Total Amount |
Shares Ownership |
Filing |
| 2008-11-07 Tax Withholding | 2008-11-10 10:01 am | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 154 | $5.67 | $873 | 74,004 (Direct) |
View |
| 2008-08-15 Exercise |
2008-08-18 12:28 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 10,968 | $5.556 | $60,934 | 74,158 (Direct) | View |
| 2008-05-08 Tax Withholding |
2008-05-09 3:34 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 190 | $18.05 | $3,430 | 63,190 (Direct) | View |
| 2007-12-04 Exercise | 2007-12-06 3:53 pm |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 58,060 | $1.823 | $105,819 | 63,380 (Direct) | View |
| 2007-11-08 Tax Withholding |
2007-11-09 1:46 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 212 | $16.5 | $3,498 | 5,320 (Direct) |
View |
| 2007-06-04 Exercise |
2007-06-05 1:04 pm |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 59,868 | $9.207 | $551,187 | 65,400 (Direct) | View |
| 2007-06-01 Exercise | 2007-06-04 10:58 am | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 15,132 | $5.055 | $76,494 | 20,664 (Direct) | View |
| 2007-05-08 Tax Withholding | 2007-05-09 5:22 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 308 | $26.55 | $8,177 | 5,532 (Direct) | View |
| 2006-05-08 Option Award | 2006-05-10 2:23 pm |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 2,920 | $0 | $0 | 24,402 (Direct) | View |
| 2006-03-30 Exercise |
2006-03-31 2:34 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 56,392 | $10.63 | $599,225 | 77,874 (Direct) |
View |
| 2005-09-19 Exercise |
2005-09-20 3:28 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 30,625 | $11.11 | $340,277 | 60,607 (Direct) |
View |
| 2005-09-14 Exercise | 2005-09-16 3:23 pm | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 18,800 | $11.11 | $208,889 | 48,782 (Direct) |
View |
| 2005-09-13 Exercise | 2005-09-15 4:17 pm |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 1,200 | $11.11 | $13,333 | 31,182 (Direct) |
View |
| 2005-03-09 Exercise Tax Withholding(A) | 2005-04-05 10:46 am | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 28,789 | $14.46 | $416,287 | 21,988 (Direct) | View |
| 2005-03-09 Exercise Tax Withholding | 2005-03-11 1:48 pm |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 28,872 | $14.51 | $418,950 | 21,905 (Direct) |
View |
| 2004-01-12 Exercise Tax Withholding | 2004-01-14 11:53 am |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 26,983 | $10.18 | $274,630 | 21,967 (Direct) |
View |
| Transaction & Date | Reported Date | Exercisable Expiration |
Company | Symbol | Insider Relationship |
Shares Traded | Conversion Price |
Shares Ownership | Filing |
| 2008-08-15 Exercise | 2008-08-18 12:28 pm |
2005-08-15 2008-08-15 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 10,968 | $5.556 | 0 (Direct) | View |
| 2007-12-04 Exercise |
2007-12-06 3:53 pm | 1998-12-11 2008-12-11 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 13,060 | $2.264 | 0 (Direct) | View |
| 2007-12-04 Exercise |
2007-12-06 3:53 pm | 2001-01-18 2010-01-18 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 45,000 | $1.694 | 0 (Direct) | View |
| 2007-06-04 Exercise | 2007-06-05 1:04 pm | 2004-12-28 2011-12-28 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 59,868 | $9.207 | 11,842 (Direct) | View |
| 2007-06-01 Exercise | 2007-06-04 10:58 am | 2002-01-24 2011-01-24 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 4,762 | $3.25 | 62,740 (Direct) | View |
| 2007-06-01 Exercise | 2007-06-04 10:58 am |
2004-02-21 2013-02-21 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 7,080 | $4.34 | 37,920 (Direct) |
View |
| 2007-06-01 Exercise | 2007-06-04 10:58 am | 2004-12-28 2011-12-28 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 3,290 | $9.207 | 71,710 (Direct) |
View |
| 2006-05-08 Option Award | 2006-05-10 2:23 pm |
2007-05-08 2016-05-08 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 8,760 | $59.99 | 8,760 (Direct) |
View |
| 2006-03-30 Exercise |
2006-03-31 2:34 pm | 2005-08-15 2008-08-15 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 22,641 | $11.11 | 5,484 (Direct) | View |
| 2006-03-30 Exercise | 2006-03-31 2:34 pm | 2005-08-15 2008-08-15 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 22,500 | $11.11 | 0 (Direct) |
View |
| 2006-03-30 Exercise | 2006-03-31 2:34 pm | 2004-09-24 2007-09-24 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 11,251 | $8.68 | 0 (Direct) |
View |
| 2005-09-19 Exercise |
2005-09-20 3:28 pm | 2004-03-09 2007-03-09 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 28,125 | $11.11 | 28,125 (Direct) |
View |
| 2005-09-19 Exercise | 2005-09-20 3:28 pm | 2004-03-09 2007-03-09 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 2,500 | $11.11 | 22,500 (Direct) |
View |
| 2005-09-14 Exercise |
2005-09-16 3:23 pm | 2004-03-09 2007-03-09 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 18,800 | $11.11 | 25,000 (Direct) | View |
| 2005-09-13 Exercise |
2005-09-15 4:17 pm | 2004-03-09 2007-03-09 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 1,200 | $11.11 | 43,800 (Direct) | View |
| 2005-03-09 Exercise | 2005-03-11 1:48 pm | 1998-12-11 2008-12-11 | TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 14,405 | $6.792 | 4,353 (Direct) |
View |
| 2005-03-09 Exercise | 2005-03-11 1:48 pm | 2003-07-18 2006-07-18 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 7,500 | $13.02 | 7,500 (Direct) |
View |
| 2004-12-28 Option Award |
2004-12-30 12:14 pm | 2004-12-28 2011-12-28 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 25,000 | $27.62 | 25,000 (Direct) |
View |
| 2004-01-12 Exercise | 2004-01-14 11:53 am |
1995-11-14 2004-11-14 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 15,000 | $6 | 0 (Direct) | View |
| 2004-01-12 Exercise |
2004-01-14 11:53 am |
1998-12-11 2008-12-11 |
TETRA TECHNOLOGIES INC | TTI | MATHEWS DENNIS (Senior Vice President) | 6,967 | $6.792 | 18,758 (Direct) | View |
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