Insider Stock Trading History of Clayton Williams Energy Inc /de


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Clayton Williams Energy Inc /de since year 2005. The trader's CIK number is 880115. At the time of this reporting, Clayton Williams Energy Inc /de is the 10% Owner of Southwest Royalties Institutional Income Fund X-b . (stock ticker symbol N/A). See this page for 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:
Stock purchases, sales, and option exercises reported by insider Clayton Williams Energy Inc /de since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2012-03-14 N/A Southwest Royalties Institutional Income Fund X-b Buy 9,149 314.62 2,878,458
2012-03-14 N/A Southwest Royalties Institutional Income Fund Vii- Buy 8,490 262.04 2,224,719
2012-03-14 N/A Gas Income Fund Ix-a Lp Buy 9,327 115.11 1,073,630
2012-03-14 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 8,342 120.25 1,003,125
2012-03-14 N/A Gas Income Fund X-a Lp Buy 9,650 94.49 911,828
2012-03-14 N/A Gas Income Fund X-b Lp Buy 10,004 243.81 2,439,075
2010-09-17 N/A Southwest Royalties Inc Income Fund V Buy 55 49.95 2,747
2010-09-17 N/A Southwest Royalties Inc Income Fund Vi Buy 42 192.00 8,064
2010-09-17 N/A Gas Income Fund Vii A L P Buy 4 66.80 267
2010-09-17 N/A Southwest Royalties Institutional Income Fund Vii- Buy 24 168.26 4,038
2010-09-17 N/A Gas Income Fund Viii-a L P Buy 65 226.31 14,710
2010-09-17 N/A Southwest Royalties Institutional Income Fund Viii Buy 18 385.54 6,939
2010-09-17 N/A Gas Income Fund Ix-a Lp Buy 64 4.78 305
2010-09-17 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 23 15.33 352
2010-09-17 N/A Gas Income Fund X-a Lp Buy 40 4.77 190
2010-09-17 N/A Southwest Royalties Institutional Income Fund X-a Buy 182 4.42 804
2010-09-17 N/A Gas Income Fund X-b Lp Buy 44 16.53 727
2010-06-18 N/A Southwest Royalties Institutional Income Fund Vii- Buy 129 179.09 23,102
2010-06-18 N/A Gas Income Fund Vii A L P Buy 120 70.73 8,487
2010-06-18 N/A Southwest Royalties Inc Income Fund Vi Buy 113 207.50 23,447
2010-06-18 N/A Southwest Royalties Inc Income Fund V Buy 36 49.95 1,798
2010-06-18 N/A Gas Income Fund Viii-a L P Buy 85 241.51 20,528
2010-06-18 N/A Southwest Royalties Institutional Income Fund Viii Buy 156 408.82 63,775
2010-06-18 N/A Gas Income Fund Ix-a Lp Buy 20 9.61 192
2010-06-18 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 10 16.16 161
2010-06-18 N/A Gas Income Fund X-a Lp Buy 10 7.52 75
2010-06-18 N/A Southwest Royalties Institutional Income Fund X-b Buy 27 30.87 833
2010-06-18 N/A Southwest Royalties Institutional Income Fund X-a Buy 10 7.32 73
2010-02-22 N/A Gas Income Fund Ix-a Lp Buy 10 18.80 188
2010-02-22 N/A Gas Income Fund X-a Lp Buy 10 26.00 260
2010-02-22 N/A Gas Income Fund X-b Lp Buy 55 28.80 1,584
2009-12-18 N/A Southwest Royalties Inc Income Fund Vi Buy 15 420.10 6,301
2009-12-18 N/A Southwest Royalties Inc Income Fund V Buy 2 130.03 260
2009-12-18 N/A Gas Income Fund Vii A L P Buy 4 106.36 425
2009-12-18 N/A Gas Income Fund Ix-a Lp Buy 36 54.00 1,944
2009-12-18 N/A Southwest Royalties Institutional Income Fund X-a Buy 38 38.00 1,444
2009-12-18 N/A Gas Income Fund X-a Lp Buy 45 30.50 1,372
2009-12-18 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 25 58.00 1,450
2009-12-18 N/A Gas Income Fund X-b Lp Buy 56 58.00 3,248
2009-12-18 N/A Southwest Royalties Institutional Income Fund X-c Buy 33 31.50 1,039
2009-12-18 N/A Southwest Royalties Institutional Income Fund X-b Buy 46 79.50 3,657
2009-12-18 N/A Southwest Royalties Institutional Income Fund Viii Buy 10 354.65 3,546
2009-09-16 N/A Gas Income Fund Vii A L P Buy 8 109.67 877
2009-09-16 N/A Southwest Royalties Inc Income Fund Vi Buy 20 426.67 8,533
2009-09-16 N/A Southwest Royalties Inc Income Fund V Buy 5 130.03 650
2009-09-16 N/A Southwest Royalties Institutional Income Fund X-a Buy 25 38.00 950
2009-09-16 N/A Southwest Royalties Institutional Income Fund Vii- Buy 28 200.98 5,627
2009-09-16 N/A Southwest Royalties Institutional Income Fund Viii Buy 56 370.49 20,747
2009-09-16 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 24 58.00 1,392
2009-09-16 N/A Southwest Royalties Institutional Income Fund X-b Buy 34 79.50 2,703
2009-09-16 N/A Southwest Royalties Institutional Income Fund X-c Buy 8 31.50 252
2009-06-16 N/A Southwest Royalties Institutional Income Fund X-b Buy 35 79.50 2,782
2009-06-16 N/A Southwest Royalties Institutional Income Fund X-a Buy 30 39.00 1,170
2009-06-16 N/A Gas Income Fund X-a Lp Buy 40 30.50 1,220
2009-06-16 N/A Southwest Royalties Institutional Income Fund Viii Buy 65 379.22 24,649
2009-06-16 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 15 58.00 870
2009-06-16 N/A Southwest Royalties Inc Income Fund V Buy 57 130.03 7,411
2009-06-16 N/A Southwest Royalties Inc Income Fund Vi Buy 397 434.58 172,528
2009-06-16 N/A Gas Income Fund Vii A L P Buy 122 111.44 13,595
2009-06-16 N/A Southwest Royalties Institutional Income Fund Vii- Buy 148 204.92 30,328
2009-06-16 N/A Gas Income Fund Viii-a L P Buy 124 238.94 29,628
2009-03-03 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 10 58.00 580
2009-03-03 N/A Gas Income Fund X-a Lp Buy 50 30.50 1,525
2009-03-03 N/A Southwest Royalties Institutional Income Fund X-a Buy 41 38.00 1,558
2009-03-03 N/A Gas Income Fund X-b Lp Buy 20 58.00 1,160
2009-03-03 N/A Southwest Royalties Institutional Income Fund X-b Buy 4 79.50 318
2008-12-18 N/A Southwest Royalties Institutional Income Fund X-c Buy 2 311.77 623
2008-12-18 N/A Southwest Royalties Institutional Income Fund X-b Buy 26 286.14 7,439
2008-12-18 N/A Gas Income Fund X-b Lp Buy 16 171.17 2,738
2008-12-18 N/A Southwest Royalties Institutional Income Fund X-a Buy 58 120.20 6,971
2008-12-18 N/A Gas Income Fund X-a Lp Buy 34 93.30 3,172
2008-12-18 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 90 163.64 14,727
2008-12-18 N/A Southwest Royalties Institutional Income Fund Viii Buy 20 999.39 19,987
2008-12-18 N/A Southwest Royalties Institutional Income Fund Vii- Buy 17 378.58 6,435
2008-12-18 N/A Southwest Royalties Inc Income Fund Vi Buy 100 540.49 54,049
2008-12-18 N/A Southwest Royalties Inc Income Fund V Buy 2 332.59 665
2008-09-19 N/A Gas Income Fund Viii-a L P Buy 20 797.11 15,942
2008-09-19 N/A Southwest Royalties Institutional Income Fund Vii- Buy 50 401.28 20,064
2008-09-19 N/A Southwest Royalties Inc Income Fund Vi Buy 92 565.17 51,995
2008-09-19 N/A Gas Income Fund Vii A L P Buy 10 274.77 2,747
2008-09-19 N/A Gas Income Fund Ix-a Lp Buy 51 94.65 4,827
2008-09-19 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 43 103.67 4,457
2008-09-19 N/A Gas Income Fund X-a Lp Buy 18 57.93 1,042
2008-09-19 N/A Gas Income Fund X-b Lp Buy 39 141.26 5,509
2008-09-19 N/A Southwest Royalties Institutional Income Fund X-a Buy 118 85.43 10,080
2008-09-19 N/A Southwest Royalties Institutional Income Fund X-b Buy 84 245.98 20,662
2008-09-19 N/A Southwest Royalties Institutional Income Fund X-c Buy 25 184.05 4,601
2008-06-19 N/A Gas Income Fund Viii-a L P Buy 221 826.93 182,751
2008-06-19 N/A Southwest Royalties Institutional Income Fund Vii- Buy 179 421.54 75,455
2008-06-19 N/A Gas Income Fund Vii A L P Buy 129 289.25 37,313
2008-06-19 N/A Southwest Royalties Inc Income Fund Vi Buy 245 594.12 145,559
2008-06-19 N/A Southwest Royalties Inc Income Fund V Buy 217 363.09 78,790
2008-06-19 N/A Southwest Royalties Institutional Income Fund Viii Buy 178 1,088.80 193,806
2008-06-19 N/A Gas Income Fund Ix-a Lp Buy 50 82.81 4,140
2008-06-19 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 8 78.80 630
2008-06-19 N/A Gas Income Fund X-a Lp Buy 20 34.33 686
2008-06-19 N/A Gas Income Fund X-b Lp Buy 70 115.49 8,084
2008-06-19 N/A Southwest Royalties Institutional Income Fund X-b Buy 63 200.78 12,649
2008-06-19 N/A Southwest Royalties Institutional Income Fund X-c Buy 204 114.56 23,370
2008-02-25 N/A Gas Income Fund Ix-a Lp Buy 6 84.96 509
2008-02-25 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 4 83.70 334
2008-02-25 N/A Gas Income Fund X-a Lp Buy 10 21.45 214
2008-02-25 N/A Gas Income Fund X-b Lp Buy 20 94.86 1,897
2008-02-25 N/A Southwest Royalties Institutional Income Fund X-c Buy 17 48.83 830
2007-12-19 N/A Gas Income Fund Vii A L P Buy 6 138.98 833
2007-12-19 N/A Southwest Royalties Institutional Income Fund Vii- Buy 10 233.81 2,338
2007-12-19 N/A Southwest Royalties Institutional Income Fund Viii Buy 99 461.81 45,719
2007-12-19 N/A Gas Income Fund Ix-a Lp Buy 10 84.96 849
2007-12-19 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 38 92.44 3,512
2007-12-19 N/A Gas Income Fund X-a Lp Buy 30 10.73 321
2007-12-19 N/A Southwest Royalties Institutional Income Fund X-a Buy 36 34.77 1,251
2007-12-19 N/A Gas Income Fund X-b Lp Buy 30 89.71 2,691
2007-12-19 N/A Southwest Royalties Institutional Income Fund X-b Buy 48 159.62 7,661
2007-12-19 N/A Southwest Royalties Inc Income Fund Vi Buy 33 302.31 9,976
2007-12-19 N/A Southwest Royalties Inc Income Fund V Buy 14 161.59 2,262
2007-09-27 N/A Southwest Royalties Inc Income Fund V Buy 4 167.23 668
2007-09-27 N/A Southwest Royalties Inc Income Fund Vi Buy 73 314.28 22,942
2007-09-27 N/A Gas Income Fund Vii A L P Buy 70 148.37 10,385
2007-09-27 N/A Southwest Royalties Institutional Income Fund Vii- Buy 20 246.39 4,927
2007-09-27 N/A Gas Income Fund Viii-a L P Buy 12 330.29 3,963
2007-09-27 N/A Southwest Royalties Institutional Income Fund Viii Buy 9 481.23 4,331
2007-09-27 N/A Gas Income Fund Ix-a Lp Buy 46 106.47 4,897
2007-09-27 N/A Gas Income Fund X-a Lp Buy 16 13.95 223
2007-09-27 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 24 117.42 2,818
2007-09-27 N/A Southwest Royalties Institutional Income Fund X-a Buy 20 36.76 735
2007-09-27 N/A Gas Income Fund X-b Lp Buy 1 97.96 97
2007-09-27 N/A Southwest Royalties Institutional Income Fund X-b Buy 23 154.60 3,555
2007-09-27 N/A Southwest Royalties Institutional Income Fund X-c Buy 5 77.00 385
2007-06-29 N/A Southwest Royalties Institutional Income Fund Viii Buy 257 499.70 128,422
2007-06-29 N/A Southwest Royalties Institutional Income Fund Vii- Buy 147 258.88 38,055
2007-06-29 N/A Gas Income Fund Vii A L P Buy 169 157.01 26,534
2007-06-29 N/A Southwest Royalties Inc Income Fund Vi Buy 100 325.81 32,581
2007-06-29 N/A Southwest Royalties Inc Income Fund V Buy 143 170.30 24,352
2007-06-29 N/A Gas Income Fund Viii-a L P Buy 199 350.42 69,733
2007-06-29 N/A Gas Income Fund Ix-a Lp Buy 88 115.08 10,127
2007-06-29 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 287 129.92 37,287
2007-06-29 N/A Gas Income Fund X-a Lp Buy 37 28.96 1,071
2007-06-26 N/A Southwest Royalties Institutional Income Fund X-a Buy 201 53.64 10,781
2007-06-29 N/A Gas Income Fund X-b Lp Buy 50 118.58 5,929
2007-06-29 N/A Southwest Royalties Institutional Income Fund X-b Buy 15 169.66 2,544
2007-06-29 N/A Southwest Royalties Institutional Income Fund X-c Buy 44 116.44 5,123
2007-03-19 N/A Southwest Royalties Institutional Income Fund X-b Buy 29 175.68 5,094
2007-03-19 N/A Gas Income Fund X-b Lp Buy 10 128.89 1,288
2007-03-19 N/A Southwest Royalties Institutional Income Fund X-a Buy 52 65.56 3,409
2007-03-19 N/A Gas Income Fund X-a Lp Buy 30 38.62 1,158
2007-03-19 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 14 136.16 1,906
2007-03-19 N/A Gas Income Fund Ix-a Lp Buy 20 121.53 2,430
2006-12-15 N/A Southwest Royalties Institutional Income Fund X-c Buy 41 197.20 8,085
2006-12-15 N/A Southwest Royalties Institutional Income Fund X-b Buy 50 175.68 8,784
2006-12-15 N/A Gas Income Fund X-b Lp Buy 6 134.05 804
2006-12-15 N/A Southwest Royalties Institutional Income Fund X-a Buy 62 81.46 5,050
2006-12-15 N/A Gas Income Fund X-a Lp Buy 66 54.71 3,610
2006-12-15 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 10 146.15 1,461
2006-12-15 N/A Gas Income Fund Ix-a Lp Buy 10 136.59 1,365
2006-12-15 N/A Southwest Royalties Institutional Income Fund Vii- Buy 17 285.44 4,852
2006-12-15 N/A Southwest Royalties Inc Income Fund Vi Buy 4 682.08 2,728
2006-12-15 N/A Southwest Royalties Inc Income Fund V Buy 14 298.43 4,178
2006-09-22 N/A Southwest Royalties Inc Income Fund V Buy 10 302.97 3,029
2006-09-22 N/A Southwest Royalties Inc Income Fund Vi Buy 5 697.69 3,488
2006-09-22 N/A Southwest Royalties Institutional Income Fund Vii- Buy 20 297.73 5,954
2006-09-22 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 12 139.91 1,678
2006-09-22 N/A Gas Income Fund X-a Lp Buy 4 62.22 248
2006-09-22 N/A Southwest Royalties Institutional Income Fund X-a Buy 16 86.43 1,382
2006-09-22 N/A Southwest Royalties Institutional Income Fund X-b Buy 89 165.65 14,742
2006-06-30 N/A Southwest Royalties Inc Income Fund V Buy 176 312.62 55,021
2006-06-30 N/A Southwest Royalties Inc Income Fund Vi Buy 537 713.62 383,213
2006-06-30 N/A Gas Income Fund Vii A L P Buy 496 254.08 126,023
2006-06-30 N/A Southwest Royalties Institutional Income Fund Vii- Buy 243 310.09 75,351
2006-06-30 N/A Gas Income Fund Viii-a L P Buy 236 508.92 120,105
2006-06-30 N/A Southwest Royalties Institutional Income Fund Viii Buy 344 692.47 238,209
2006-06-30 N/A Gas Income Fund Ix-a Lp Buy 14 140.88 1,972
2006-06-30 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 100 146.16 14,616
2006-06-30 N/A Southwest Royalties Institutional Income Fund X-a Buy 80 76.50 6,120
2006-06-30 N/A Gas Income Fund X-a Lp Buy 4 57.93 231
2006-06-30 N/A Gas Income Fund X-b Lp Buy 12 106.20 1,274
2006-06-30 N/A Southwest Royalties Institutional Income Fund X-b Buy 12 145.56 1,746
2006-06-30 N/A Southwest Royalties Institutional Income Fund X-c Buy 46 189.66 8,724
2006-03-31 N/A Gas Income Fund Ix-a Lp Buy 40 146.27 5,850
2006-03-31 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 90 149.90 13,491
2006-03-31 N/A Gas Income Fund X-a Lp Buy 20 51.49 1,029
2006-03-31 N/A Southwest Royalties Institutional Income Fund X-a Buy 83 67.55 5,606
2006-03-31 N/A Gas Income Fund X-b Lp Buy 20 96.93 1,938
2006-03-31 N/A Southwest Royalties Institutional Income Fund X-b Buy 79 145.57 11,500
2006-03-31 N/A Southwest Royalties Institutional Income Fund X-c Buy 13 174.67 2,270
2005-12-21 N/A Gas Income Fund Ix-a Lp Buy 20 141.99 2,839
2005-12-21 N/A Southwest Royalties Institutional Income Fund X-a Buy 100 57.62 5,762
2005-12-21 EDGAR@05 Gas Income Fund X-b Lp Buy 34 102.08 3,470
2005-12-21 N/A Southwest Royalties Institutional Income Fund X-b Buy 6 150.59 903
2005-09-30 N/A Gas Income Fund Vii A L P Buy 311 285.94 88,927
2005-09-30 N/A Southwest Royalties Institutional Income Fund Vii- Buy 625 373.74 233,587
2005-09-30 N/A Southwest Royalties Institutional Income Fund Viii Buy 564 434.50 245,058
2005-09-30 N/A Gas Income Fund Ix-a Lp Buy 91 126.94 11,551
2005-09-30 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 65 123.54 8,030
2005-09-30 N/A Gas Income Fund X-a Lp Buy 50 33.26 1,663
2005-09-30 N/A Southwest Royalties Institutional Income Fund X-a Buy 21 38.48 808
2005-09-30 N/A Gas Income Fund X-b Lp Buy 30 89.71 2,691
2005-09-30 N/A Southwest Royalties Institutional Income Fund X-b Buy 47 110.04 5,171
2005-09-30 N/A Southwest Royalties Institutional Income Fund X-c Buy 58 125.84 7,298
2005-09-30 N/A Gas Income Fund Viii-a L P Buy 641 320.30 205,312
2005-09-30 N/A Southwest Royalties Inc Income Fund V Buy 263 215.25 56,610
2005-09-30 N/A Southwest Royalties Inc Income Fund Vi Buy 832 528.18 439,445
2005-06-21 N/A Gas Income Fund Ix-a Lp Buy 10 110.78 1,107
2005-06-21 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 14 114.92 1,608
2005-06-21 N/A Gas Income Fund X-a Lp Buy 16 22.53 360
2005-06-21 N/A Southwest Royalties Institutional Income Fund X-a Buy 110 43.00 4,730
2005-06-21 N/A Gas Income Fund X-b Lp Buy 75 84.55 6,341
2005-06-21 N/A Southwest Royalties Institutional Income Fund X-c Buy 5 114.57 572
2005-05-13 N/A Southwest Royalties Institutional Income Fund X-a Buy 4 32.78 131
2005-04-29 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 25 114.92 2,873
2005-04-29 N/A Gas Income Fund X-a Lp Buy 25 22.53 563
2005-04-29 N/A Southwest Royalties Institutional Income Fund X-a Buy 25 32.78 819
2005-04-05 N/A Southwest Royalties Institutional Income Fund X-a Buy 4 29.80 119
2005-03-30 N/A Southwest Royalties Institutional Income Fund Ix-b Buy 62 108.03 6,697
2005-03-30 N/A Gas Income Fund X-a Lp Buy 70 13.95 976
2005-03-30 N/A Southwest Royalties Institutional Income Fund X-a Buy 16 29.80 476
2005-03-30 N/A Gas Income Fund X-b Lp Buy 10 72.76 727
2005-03-30 N/A Southwest Royalties Institutional Income Fund X-b Buy 70 74.31 5,201
2005-03-30 N/A Gas Income Fund Ix-a Lp Buy 10 98.95 989
2005-03-30 N/A Southwest Royalties Institutional Income Fund Viii Buy 34 334.73 11,380
2005-03-30 N/A Southwest Royalties Inc Income Fund V Buy 67 132.41 8,871
2005-03-30 N/A Gas Income Fund Vii A L P Buy 20 203.15 4,063
2005-03-30 N/A Southwest Royalties Institutional Income Fund Vii- Buy 12 239.11 2,869
2005-03-30 N/A Gas Income Fund Viii-a L P Buy 10 234.22 2,342
2005-03-30 N/A Southwest Royalties Inc Income Fund Vi Buy 20 460.54 9,210
2005-03-15 N/A Southwest Royalties Institutional Income Fund X-b Buy 62 74.31 4,607
2005-03-15 N/A Southwest Royalties Inc Income Fund V Buy 2 132.41 264
2005-03-15 N/A Gas Income Fund Viii-a L P Buy 10 234.22 2,342
2005-03-15 N/A Southwest Royalties Institutional Income Fund X-a Buy 29 29.80 864

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.