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Insider Trading History of Clayton Williams Energy Inc /de
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Clayton Williams Energy Inc /de since 2005.
The trader's CIK number is 880115.
At the time of the last reporting, Clayton Williams Energy Inc /de was the 10% Owner of Southwest Royalties Institutional Income Fund X-b. (stock ticker symbol N/A).
Also see all insider trading activities at Southwest Royalties Institutional Income Fund X-b.
Note that in the past
CLAYTON WILLIAMS ENERGY INC /DE also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Southwest Royalties Inc Income Fund V (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | N/A | 91 | $4,545 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 64 | $8,321 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 219 | $79,455 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 161 | $27,282 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 200 | $62,228 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 332 | $65,745 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Southwest Royalties Institutional Income Fund X-a (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | N/A | 192 | $877 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 134 | $5,122 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 176 | $17,051 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 309 | $16,176 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 241 | $18,158 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 309 | $13,709 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Southwest Royalties Institutional Income Fund X-b (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2012 | N/A | 9,149 | $2,878,458 | 0 | $0 | 0 | $0 |
| 2010 | N/A | 27 | $833 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 119 | $9,460 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 173 | $40,750 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 115 | $18,854 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 230 | $36,772 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 185 | $15,882 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Gas Income Fund Viii-a L P (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | N/A | 150 | $35,238 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 124 | $29,628 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 241 | $198,693 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 211 | $73,696 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 236 | $120,105 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 661 | $209,996 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Gas Income Fund X-a Lp (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2012 | N/A | 9,650 | $911,828 | 0 | $0 | 0 | $0 |
| 2010 | N/A | 60 | $525 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 135 | $4,117 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 82 | $5,114 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 113 | $2,773 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 94 | $5,118 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 161 | $3,562 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Gas Income Fund X-b Lp (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2012 | N/A | 10,004 | $2,439,075 | 0 | $0 | 0 | $0 |
| 2010 | N/A | 99 | $2,311 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 76 | $4,408 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 145 | $18,228 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 91 | $10,005 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 38 | $4,016 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 149 | $13,229 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Southwest Royalties Inc Income Fund Vi (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | N/A | 155 | $31,511 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 432 | $187,362 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 437 | $251,603 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 206 | $65,499 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 546 | $389,429 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 852 | $448,655 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Gas Income Fund Ix-a Lp (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2012 | N/A | 9,327 | $1,073,630 | 0 | $0 | 0 | $0 |
| 2010 | N/A | 94 | $685 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 36 | $1,944 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 107 | $9,476 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 164 | $18,303 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 64 | $9,187 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 131 | $16,486 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Southwest Royalties Institutional Income Fund Vii- (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2012 | N/A | 8,490 | $2,224,719 | 0 | $0 | 0 | $0 |
| 2010 | N/A | 153 | $27,140 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 176 | $35,955 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 246 | $101,954 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 177 | $45,320 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 280 | $86,157 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 637 | $236,456 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Southwest Royalties Institutional Income Fund Ix-b (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2012 | N/A | 8,342 | $1,003,125 | 0 | $0 | 0 | $0 |
| 2010 | N/A | 33 | $513 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 74 | $4,292 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 145 | $20,148 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 363 | $45,523 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 212 | $31,246 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 166 | $19,208 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Southwest Royalties Institutional Income Fund X-c (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2009 | N/A | 41 | $1,291 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 248 | $29,424 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 49 | $5,508 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 100 | $19,079 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 63 | $7,870 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Southwest Royalties Institutional Income Fund Viii (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | N/A | 174 | $70,714 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 131 | $48,942 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 198 | $213,793 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 365 | $178,472 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 344 | $238,209 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 598 | $256,438 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Gas Income Fund Vii A L P (N/A) by Clayton Williams Energy Inc /de
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2010 | N/A | 124 | $8,754 | 0 | $0 | 0 | $0 |
| 2009 | N/A | 134 | $14,897 | 0 | $0 | 0 | $0 |
| 2008 | N/A | 139 | $40,060 | 0 | $0 | 0 | $0 |
| 2007 | N/A | 245 | $37,752 | 0 | $0 | 0 | $0 |
| 2006 | N/A | 496 | $126,023 | 0 | $0 | 0 | $0 |
| 2005 | N/A | 331 | $92,990 | 0 | $0 | 0 | $0 |
Insider trading activities at 13 companies by Clayton Williams Energy Inc /de:
1. Southwest Royalties Inc Income Fund V (N/A)
2. Southwest Royalties Institutional Income Fund X-a (N/A)
3. Southwest Royalties Institutional Income Fund X-b (N/A)
4. Gas Income Fund Viii-a L P (N/A)
5. Gas Income Fund X-a Lp (N/A)
6. Gas Income Fund X-b Lp (N/A)
7. Southwest Royalties Inc Income Fund Vi (N/A)
8. Gas Income Fund Ix-a Lp (N/A)
9. Southwest Royalties Institutional Income Fund Vii- (N/A)
10. Southwest Royalties Institutional Income Fund Ix-b (N/A)
11. Southwest Royalties Institutional Income Fund X-c (N/A)
12. Southwest Royalties Institutional Income Fund Viii (N/A)
13. Gas Income Fund Vii A L P (N/A)
Table 1. Insider trading of Southwest Royalties Inc Income Fund V (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-09-17 | N/A | Buy | 55 | 49.95 | 2,747 |
| 2010-06-18 | N/A | Buy | 36 | 49.95 | 1,798 |
| 2009-12-18 | N/A | Buy | 2 | 130.03 | 260 |
| 2009-09-16 | N/A | Buy | 5 | 130.03 | 650 |
| 2009-06-16 | N/A | Buy | 57 | 130.03 | 7,411 |
| 2008-12-18 | N/A | Buy | 2 | 332.59 | 665 |
| 2008-06-19 | N/A | Buy | 217 | 363.09 | 78,790 |
| 2007-12-19 | N/A | Buy | 14 | 161.59 | 2,262 |
| 2007-09-27 | N/A | Buy | 4 | 167.23 | 668 |
| 2007-06-29 | N/A | Buy | 143 | 170.30 | 24,352 |
| 2006-12-15 | N/A | Buy | 14 | 298.43 | 4,178 |
| 2006-09-22 | N/A | Buy | 10 | 302.97 | 3,029 |
| 2006-06-30 | N/A | Buy | 176 | 312.62 | 55,021 |
| 2005-09-30 | N/A | Buy | 263 | 215.25 | 56,610 |
| 2005-03-30 | N/A | Buy | 67 | 132.41 | 8,871 |
| 2005-03-15 | N/A | Buy | 2 | 132.41 | 264 |
Table 2. Insider trading of Southwest Royalties Institutional Income Fund X-a (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-09-17 | N/A | Buy | 182 | 4.42 | 804 |
| 2010-06-18 | N/A | Buy | 10 | 7.32 | 73 |
| 2009-12-18 | N/A | Buy | 38 | 38.00 | 1,444 |
| 2009-09-16 | N/A | Buy | 25 | 38.00 | 950 |
| 2009-06-16 | N/A | Buy | 30 | 39.00 | 1,170 |
| 2009-03-03 | N/A | Buy | 41 | 38.00 | 1,558 |
| 2008-12-18 | N/A | Buy | 58 | 120.20 | 6,971 |
| 2008-09-19 | N/A | Buy | 118 | 85.43 | 10,080 |
| 2007-12-19 | N/A | Buy | 36 | 34.77 | 1,251 |
| 2007-09-27 | N/A | Buy | 20 | 36.76 | 735 |
| 2007-06-26 | N/A | Buy | 201 | 53.64 | 10,781 |
| 2007-03-19 | N/A | Buy | 52 | 65.56 | 3,409 |
| 2006-12-15 | N/A | Buy | 62 | 81.46 | 5,050 |
| 2006-09-22 | N/A | Buy | 16 | 86.43 | 1,382 |
| 2006-06-30 | N/A | Buy | 80 | 76.50 | 6,120 |
| 2006-03-31 | N/A | Buy | 83 | 67.55 | 5,606 |
| 2005-12-21 | N/A | Buy | 100 | 57.62 | 5,762 |
| 2005-09-30 | N/A | Buy | 21 | 38.48 | 808 |
| 2005-06-21 | N/A | Buy | 110 | 43.00 | 4,730 |
| 2005-05-13 | N/A | Buy | 4 | 32.78 | 131 |
| 2005-04-29 | N/A | Buy | 25 | 32.78 | 819 |
| 2005-04-05 | N/A | Buy | 4 | 29.80 | 119 |
| 2005-03-30 | N/A | Buy | 16 | 29.80 | 476 |
| 2005-03-15 | N/A | Buy | 29 | 29.80 | 864 |
Table 3. Insider trading of Southwest Royalties Institutional Income Fund X-b (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2012-03-14 | N/A | Buy | 9,149 | 314.62 | 2,878,458 |
| 2010-06-18 | N/A | Buy | 27 | 30.87 | 833 |
| 2009-12-18 | N/A | Buy | 46 | 79.50 | 3,657 |
| 2009-09-16 | N/A | Buy | 34 | 79.50 | 2,703 |
| 2009-06-16 | N/A | Buy | 35 | 79.50 | 2,782 |
| 2009-03-03 | N/A | Buy | 4 | 79.50 | 318 |
| 2008-12-18 | N/A | Buy | 26 | 286.14 | 7,439 |
| 2008-09-19 | N/A | Buy | 84 | 245.98 | 20,662 |
| 2008-06-19 | N/A | Buy | 63 | 200.78 | 12,649 |
| 2007-12-19 | N/A | Buy | 48 | 159.62 | 7,661 |
| 2007-09-27 | N/A | Buy | 23 | 154.60 | 3,555 |
| 2007-06-29 | N/A | Buy | 15 | 169.66 | 2,544 |
| 2007-03-19 | N/A | Buy | 29 | 175.68 | 5,094 |
| 2006-12-15 | N/A | Buy | 50 | 175.68 | 8,784 |
| 2006-09-22 | N/A | Buy | 89 | 165.65 | 14,742 |
| 2006-06-30 | N/A | Buy | 12 | 145.56 | 1,746 |
| 2006-03-31 | N/A | Buy | 79 | 145.57 | 11,500 |
| 2005-12-21 | N/A | Buy | 6 | 150.59 | 903 |
| 2005-09-30 | N/A | Buy | 47 | 110.04 | 5,171 |
| 2005-03-30 | N/A | Buy | 70 | 74.31 | 5,201 |
| 2005-03-15 | N/A | Buy | 62 | 74.31 | 4,607 |
Table 4. Insider trading of Gas Income Fund Viii-a L P (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-09-17 | N/A | Buy | 65 | 226.31 | 14,710 |
| 2010-06-18 | N/A | Buy | 85 | 241.51 | 20,528 |
| 2009-06-16 | N/A | Buy | 124 | 238.94 | 29,628 |
| 2008-09-19 | N/A | Buy | 20 | 797.11 | 15,942 |
| 2008-06-19 | N/A | Buy | 221 | 826.93 | 182,751 |
| 2007-09-27 | N/A | Buy | 12 | 330.29 | 3,963 |
| 2007-06-29 | N/A | Buy | 199 | 350.42 | 69,733 |
| 2006-06-30 | N/A | Buy | 236 | 508.92 | 120,105 |
| 2005-09-30 | N/A | Buy | 641 | 320.30 | 205,312 |
| 2005-03-30 | N/A | Buy | 10 | 234.22 | 2,342 |
| 2005-03-15 | N/A | Buy | 10 | 234.22 | 2,342 |
Table 5. Insider trading of Gas Income Fund X-a Lp (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2012-03-14 | N/A | Buy | 9,650 | 94.49 | 911,828 |
| 2010-09-17 | N/A | Buy | 40 | 4.77 | 190 |
| 2010-06-18 | N/A | Buy | 10 | 7.52 | 75 |
| 2010-02-22 | N/A | Buy | 10 | 26.00 | 260 |
| 2009-12-18 | N/A | Buy | 45 | 30.50 | 1,372 |
| 2009-06-16 | N/A | Buy | 40 | 30.50 | 1,220 |
| 2009-03-03 | N/A | Buy | 50 | 30.50 | 1,525 |
| 2008-12-18 | N/A | Buy | 34 | 93.30 | 3,172 |
| 2008-09-19 | N/A | Buy | 18 | 57.93 | 1,042 |
| 2008-06-19 | N/A | Buy | 20 | 34.33 | 686 |
| 2008-02-25 | N/A | Buy | 10 | 21.45 | 214 |
| 2007-12-19 | N/A | Buy | 30 | 10.73 | 321 |
| 2007-09-27 | N/A | Buy | 16 | 13.95 | 223 |
| 2007-06-29 | N/A | Buy | 37 | 28.96 | 1,071 |
| 2007-03-19 | N/A | Buy | 30 | 38.62 | 1,158 |
| 2006-12-15 | N/A | Buy | 66 | 54.71 | 3,610 |
| 2006-09-22 | N/A | Buy | 4 | 62.22 | 248 |
| 2006-06-30 | N/A | Buy | 4 | 57.93 | 231 |
| 2006-03-31 | N/A | Buy | 20 | 51.49 | 1,029 |
| 2005-09-30 | N/A | Buy | 50 | 33.26 | 1,663 |
| 2005-06-21 | N/A | Buy | 16 | 22.53 | 360 |
| 2005-04-29 | N/A | Buy | 25 | 22.53 | 563 |
| 2005-03-30 | N/A | Buy | 70 | 13.95 | 976 |
Table 6. Insider trading of Gas Income Fund X-b Lp (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2012-03-14 | N/A | Buy | 10,004 | 243.81 | 2,439,075 |
| 2010-09-17 | N/A | Buy | 44 | 16.53 | 727 |
| 2010-02-22 | N/A | Buy | 55 | 28.80 | 1,584 |
| 2009-12-18 | N/A | Buy | 56 | 58.00 | 3,248 |
| 2009-03-03 | N/A | Buy | 20 | 58.00 | 1,160 |
| 2008-12-18 | N/A | Buy | 16 | 171.17 | 2,738 |
| 2008-09-19 | N/A | Buy | 39 | 141.26 | 5,509 |
| 2008-06-19 | N/A | Buy | 70 | 115.49 | 8,084 |
| 2008-02-25 | N/A | Buy | 20 | 94.86 | 1,897 |
| 2007-12-19 | N/A | Buy | 30 | 89.71 | 2,691 |
| 2007-09-27 | N/A | Buy | 1 | 97.96 | 97 |
| 2007-06-29 | N/A | Buy | 50 | 118.58 | 5,929 |
| 2007-03-19 | N/A | Buy | 10 | 128.89 | 1,288 |
| 2006-12-15 | N/A | Buy | 6 | 134.05 | 804 |
| 2006-06-30 | N/A | Buy | 12 | 106.20 | 1,274 |
| 2006-03-31 | N/A | Buy | 20 | 96.93 | 1,938 |
| 2005-12-21 | EDGAR@05 | Buy | 34 | 102.08 | 3,470 |
| 2005-09-30 | N/A | Buy | 30 | 89.71 | 2,691 |
| 2005-06-21 | N/A | Buy | 75 | 84.55 | 6,341 |
| 2005-03-30 | N/A | Buy | 10 | 72.76 | 727 |
Table 7. Insider trading of Southwest Royalties Inc Income Fund Vi (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-09-17 | N/A | Buy | 42 | 192.00 | 8,064 |
| 2010-06-18 | N/A | Buy | 113 | 207.50 | 23,447 |
| 2009-12-18 | N/A | Buy | 15 | 420.10 | 6,301 |
| 2009-09-16 | N/A | Buy | 20 | 426.67 | 8,533 |
| 2009-06-16 | N/A | Buy | 397 | 434.58 | 172,528 |
| 2008-12-18 | N/A | Buy | 100 | 540.49 | 54,049 |
| 2008-09-19 | N/A | Buy | 92 | 565.17 | 51,995 |
| 2008-06-19 | N/A | Buy | 245 | 594.12 | 145,559 |
| 2007-12-19 | N/A | Buy | 33 | 302.31 | 9,976 |
| 2007-09-27 | N/A | Buy | 73 | 314.28 | 22,942 |
| 2007-06-29 | N/A | Buy | 100 | 325.81 | 32,581 |
| 2006-12-15 | N/A | Buy | 4 | 682.08 | 2,728 |
| 2006-09-22 | N/A | Buy | 5 | 697.69 | 3,488 |
| 2006-06-30 | N/A | Buy | 537 | 713.62 | 383,213 |
| 2005-09-30 | N/A | Buy | 832 | 528.18 | 439,445 |
| 2005-03-30 | N/A | Buy | 20 | 460.54 | 9,210 |
Table 8. Insider trading of Gas Income Fund Ix-a Lp (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2012-03-14 | N/A | Buy | 9,327 | 115.11 | 1,073,630 |
| 2010-09-17 | N/A | Buy | 64 | 4.78 | 305 |
| 2010-06-18 | N/A | Buy | 20 | 9.61 | 192 |
| 2010-02-22 | N/A | Buy | 10 | 18.80 | 188 |
| 2009-12-18 | N/A | Buy | 36 | 54.00 | 1,944 |
| 2008-09-19 | N/A | Buy | 51 | 94.65 | 4,827 |
| 2008-06-19 | N/A | Buy | 50 | 82.81 | 4,140 |
| 2008-02-25 | N/A | Buy | 6 | 84.96 | 509 |
| 2007-12-19 | N/A | Buy | 10 | 84.96 | 849 |
| 2007-09-27 | N/A | Buy | 46 | 106.47 | 4,897 |
| 2007-06-29 | N/A | Buy | 88 | 115.08 | 10,127 |
| 2007-03-19 | N/A | Buy | 20 | 121.53 | 2,430 |
| 2006-12-15 | N/A | Buy | 10 | 136.59 | 1,365 |
| 2006-06-30 | N/A | Buy | 14 | 140.88 | 1,972 |
| 2006-03-31 | N/A | Buy | 40 | 146.27 | 5,850 |
| 2005-12-21 | N/A | Buy | 20 | 141.99 | 2,839 |
| 2005-09-30 | N/A | Buy | 91 | 126.94 | 11,551 |
| 2005-06-21 | N/A | Buy | 10 | 110.78 | 1,107 |
| 2005-03-30 | N/A | Buy | 10 | 98.95 | 989 |
Table 9. Insider trading of Southwest Royalties Institutional Income Fund Vii- (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2012-03-14 | N/A | Buy | 8,490 | 262.04 | 2,224,719 |
| 2010-09-17 | N/A | Buy | 24 | 168.26 | 4,038 |
| 2010-06-18 | N/A | Buy | 129 | 179.09 | 23,102 |
| 2009-09-16 | N/A | Buy | 28 | 200.98 | 5,627 |
| 2009-06-16 | N/A | Buy | 148 | 204.92 | 30,328 |
| 2008-12-18 | N/A | Buy | 17 | 378.58 | 6,435 |
| 2008-09-19 | N/A | Buy | 50 | 401.28 | 20,064 |
| 2008-06-19 | N/A | Buy | 179 | 421.54 | 75,455 |
| 2007-12-19 | N/A | Buy | 10 | 233.81 | 2,338 |
| 2007-09-27 | N/A | Buy | 20 | 246.39 | 4,927 |
| 2007-06-29 | N/A | Buy | 147 | 258.88 | 38,055 |
| 2006-12-15 | N/A | Buy | 17 | 285.44 | 4,852 |
| 2006-09-22 | N/A | Buy | 20 | 297.73 | 5,954 |
| 2006-06-30 | N/A | Buy | 243 | 310.09 | 75,351 |
| 2005-09-30 | N/A | Buy | 625 | 373.74 | 233,587 |
| 2005-03-30 | N/A | Buy | 12 | 239.11 | 2,869 |
Table 10. Insider trading of Southwest Royalties Institutional Income Fund Ix-b (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2012-03-14 | N/A | Buy | 8,342 | 120.25 | 1,003,125 |
| 2010-09-17 | N/A | Buy | 23 | 15.33 | 352 |
| 2010-06-18 | N/A | Buy | 10 | 16.16 | 161 |
| 2009-12-18 | N/A | Buy | 25 | 58.00 | 1,450 |
| 2009-09-16 | N/A | Buy | 24 | 58.00 | 1,392 |
| 2009-06-16 | N/A | Buy | 15 | 58.00 | 870 |
| 2009-03-03 | N/A | Buy | 10 | 58.00 | 580 |
| 2008-12-18 | N/A | Buy | 90 | 163.64 | 14,727 |
| 2008-09-19 | N/A | Buy | 43 | 103.67 | 4,457 |
| 2008-06-19 | N/A | Buy | 8 | 78.80 | 630 |
| 2008-02-25 | N/A | Buy | 4 | 83.70 | 334 |
| 2007-12-19 | N/A | Buy | 38 | 92.44 | 3,512 |
| 2007-09-27 | N/A | Buy | 24 | 117.42 | 2,818 |
| 2007-06-29 | N/A | Buy | 287 | 129.92 | 37,287 |
| 2007-03-19 | N/A | Buy | 14 | 136.16 | 1,906 |
| 2006-12-15 | N/A | Buy | 10 | 146.15 | 1,461 |
| 2006-09-22 | N/A | Buy | 12 | 139.91 | 1,678 |
| 2006-06-30 | N/A | Buy | 100 | 146.16 | 14,616 |
| 2006-03-31 | N/A | Buy | 90 | 149.90 | 13,491 |
| 2005-09-30 | N/A | Buy | 65 | 123.54 | 8,030 |
| 2005-06-21 | N/A | Buy | 14 | 114.92 | 1,608 |
| 2005-04-29 | N/A | Buy | 25 | 114.92 | 2,873 |
| 2005-03-30 | N/A | Buy | 62 | 108.03 | 6,697 |
Table 11. Insider trading of Southwest Royalties Institutional Income Fund X-c (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2009-12-18 | N/A | Buy | 33 | 31.50 | 1,039 |
| 2009-09-16 | N/A | Buy | 8 | 31.50 | 252 |
| 2008-12-18 | N/A | Buy | 2 | 311.77 | 623 |
| 2008-09-19 | N/A | Buy | 25 | 184.05 | 4,601 |
| 2008-06-19 | N/A | Buy | 204 | 114.56 | 23,370 |
| 2008-02-25 | N/A | Buy | 17 | 48.83 | 830 |
| 2007-09-27 | N/A | Buy | 5 | 77.00 | 385 |
| 2007-06-29 | N/A | Buy | 44 | 116.44 | 5,123 |
| 2006-12-15 | N/A | Buy | 41 | 197.20 | 8,085 |
| 2006-06-30 | N/A | Buy | 46 | 189.66 | 8,724 |
| 2006-03-31 | N/A | Buy | 13 | 174.67 | 2,270 |
| 2005-09-30 | N/A | Buy | 58 | 125.83 | 7,298 |
| 2005-06-21 | N/A | Buy | 5 | 114.57 | 572 |
Table 12. Insider trading of Southwest Royalties Institutional Income Fund Viii (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-09-17 | N/A | Buy | 18 | 385.54 | 6,939 |
| 2010-06-18 | N/A | Buy | 156 | 408.82 | 63,775 |
| 2009-12-18 | N/A | Buy | 10 | 354.65 | 3,546 |
| 2009-09-16 | N/A | Buy | 56 | 370.49 | 20,747 |
| 2009-06-16 | N/A | Buy | 65 | 379.22 | 24,649 |
| 2008-12-18 | N/A | Buy | 20 | 999.39 | 19,987 |
| 2008-06-19 | N/A | Buy | 178 | 1,088.80 | 193,806 |
| 2007-12-19 | N/A | Buy | 99 | 461.81 | 45,719 |
| 2007-09-27 | N/A | Buy | 9 | 481.23 | 4,331 |
| 2007-06-29 | N/A | Buy | 257 | 499.70 | 128,422 |
| 2006-06-30 | N/A | Buy | 344 | 692.47 | 238,209 |
| 2005-09-30 | N/A | Buy | 564 | 434.50 | 245,058 |
| 2005-03-30 | N/A | Buy | 34 | 334.73 | 11,380 |
Table 13. Insider trading of Gas Income Fund Vii A L P (N/A) by Clayton Williams Energy Inc /de
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2010-09-17 | N/A | Buy | 4 | 66.80 | 267 |
| 2010-06-18 | N/A | Buy | 120 | 70.73 | 8,487 |
| 2009-12-18 | N/A | Buy | 4 | 106.36 | 425 |
| 2009-09-16 | N/A | Buy | 8 | 109.67 | 877 |
| 2009-06-16 | N/A | Buy | 122 | 111.44 | 13,595 |
| 2008-09-19 | N/A | Buy | 10 | 274.77 | 2,747 |
| 2008-06-19 | N/A | Buy | 129 | 289.25 | 37,313 |
| 2007-12-19 | N/A | Buy | 6 | 138.98 | 833 |
| 2007-09-27 | N/A | Buy | 70 | 148.37 | 10,385 |
| 2007-06-29 | N/A | Buy | 169 | 157.01 | 26,534 |
| 2006-06-30 | N/A | Buy | 496 | 254.08 | 126,023 |
| 2005-09-30 | N/A | Buy | 311 | 285.94 | 88,927 |
| 2005-03-30 | N/A | Buy | 20 | 203.15 | 4,063 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Clayton Williams Energy Inc /de
(10% Owner of Southwest Royalties Institutional Income Fund X-b at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.