Insider Trading activities of Northwest Natural Gas Co insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Northwest Natural Gas Co since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Northwest Natural Gas Co since year 2005. Table 2 shows the detailed insider transactions of Northwest Natural Gas Co since 2005. The reporting company's ticker symbol is NWN. The reporting company's CIK number is 73020.
The total value of stock buying since 2005 is $881,264.
The total value of stock sales since 2005 is $64,545,122.
The total value of stock option exercises since 2005 is $11,618,694.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Northwest Natural Gas Co (NWN).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-09 0 $0 11,202 $747,603 10,000 $432,900
2017-08 0 $0 2,000 $132,050 2,000 $86,580
2017-06 0 $0 10,224 $632,537 9,900 $427,863
2017-05 0 $0 5,000 $306,215 0 $0
2017-03 0 $0 3,775 $218,658 3,860 $137,270
2017-02 0 $0 2,243 $134,315 600 $26,687
2017-01 0 $0 2,189 $128,575 0 $0
2016-12 0 $0 600 $35,839 600 $26,687
2016-07 0 $0 1,000 $63,913 0 $0
2016-06 0 $0 15,400 $907,570 14,400 $673,560
2016-05 0 $0 1,198 $67,834 0 $0
2016-03 0 $0 32,549 $1,677,805 24,000 $1,042,545
2016-02 0 $0 25,000 $1,253,775 25,000 $1,028,750
2016-01 0 $0 1,176 $59,356 0 $0
2015-12 0 $0 350 $17,183 0 $0
2015-11 0 $0 8,025 $380,876 6,825 $234,028
2015-06 0 $0 6,000 $257,129 6,000 $229,799
2015-04 0 $0 2,400 $115,171 0 $0
2015-03 0 $0 9,324 $435,420 8,000 $274,320
2015-01 0 $0 1,096 $54,817 0 $0
2014-12 0 $0 3,200 $151,490 3,000 $102,870
2014-11 0 $0 2,500 $117,425 2,500 $85,725
2014-05 0 $0 857 $37,522 0 $0
2014-03 0 $0 6,889 $303,088 8,000 $274,320
2014-01 0 $0 1,080 $45,139 0 $0
2013-12 0 $0 21,666 $919,289 25,000 $794,380
2013-11 0 $0 4,000 $170,058 4,000 $125,360
2013-01 0 $0 2,108 $92,475 0 $0
2012-03 0 $0 1,500 $69,000 1,500 $61,725
2012-01 0 $0 2,430 $114,149 0 $0
2011-11 0 $0 7,573 $351,336 6,000 $188,040
2011-09 0 $0 6,000 $262,258 0 $0
2011-08 300 $12,821 0 $0 0 $0
2011-06 0 $0 6,000 $44,855,960 0 $0
2011-01 0 $0 2,055 $94,888 0 $0
2010-12 0 $0 203 $9,616 0 $0
2010-09 0 $0 13,203 $615,306 9,000 $248,685
2010-08 0 $0 46,917 $2,235,438 45,000 $1,752,070
2010-06 0 $0 5,000 $227,905 5,000 $171,450
2010-05 0 $0 7,000 $326,431 7,000 $311,360
2010-03 5,000 $225,050 17,000 $793,302 16,000 $711,679
2010-01 0 $0 774 $34,596 0 $0
2009-12 470 $20,791 4,500 $199,402 3,500 $84,915
2009-11 0 $0 2,170 $93,973 0 $0
2009-08 0 $0 5,000 $214,718 0 $0
2009-07 0 $0 591 $26,547 0 $0
2009-06 0 $0 4,178 $187,483 0 $0
2009-05 0 $0 12,500 $525,850 0 $0
2009-03 3,755 $154,530 0 $0 0 $0
2009-01 0 $0 567 $23,734 0 $0
2008-11 65 $3,210 10,400 $503,644 10,000 $313,400
2008-09 0 $0 15,500 $770,083 15,500 $471,910
2008-08 0 $0 15,000 $684,293 15,000 $470,100
2008-06 1,000 $45,810 6,625 $304,750 6,625 $228,677
2008-02 1,550 $71,486 0 $0 0 $0
2007-12 0 $0 7,000 $336,133 0 $0
2007-11 0 $0 7,100 $350,269 7,500 $189,999
2007-08 0 $0 400 $18,625 0 $0
2007-05 0 $0 2,000 $105,458 2,000 $62,680
2007-04 412 $20,538 0 $0 0 $0
2007-03 0 $0 2,094 $96,095 0 $0
2007-02 1,273 $54,611 0 $0 0 $0
2006-12 0 $0 7,375 $310,933 8,000 $223,000
2006-11 0 $0 2,000 $81,150 2,000 $62,680
2006-09 0 $0 2,000 $78,380 2,000 $62,680
2006-05 0 $0 5,127 $180,290 0 $0
2006-03 3,000 $102,417 0 $0 0 $0
2006-02 5,000 $170,000 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Northwest Natural Gas Co insiders (NWN)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-09-27 Byorum Martha L Sale 1,202 64.88 77,989
2017-09-05 Russell Lori L (VP, Utility Services) Sale 2,000 66.93 133,854
2017-09-05 Russell Lori L (VP, Utility Services) Option Ex 2,000 43.29 86,580
2017-09-05 Anderson David Hugo (Pres. & CEO) Sale 8,000 66.97 535,760
2017-09-05 Anderson David Hugo (Pres. & CEO) Option Ex 8,000 43.29 346,320
2017-08-30 Yoshihara Grant M (Sr. VP, Utility Operations) Sale 2,000 66.03 132,050
2017-08-30 Yoshihara Grant M (Sr. VP, Utility Operations) Option Ex 2,000 43.29 86,580
2017-06-20 Weber David A. (Pres. & CEO of Issuer's Sub.) Sale 2,000 61.56 123,128
2017-06-20 Weber David A. (Pres. & CEO of Issuer's Sub.) Option Ex 2,000 43.29 86,580
2017-06-13 Doolittle Lea Anne (Chief Adm. Officer & SVP) Sale 4,000 62.04 248,144
2017-06-13 Doolittle Lea Anne (Chief Adm. Officer & SVP) Option Ex 4,000 43.29 173,160
2017-06-09 Filippi Shawn M (VP, CCO & Corporate Secretary) Sale 1,200 62.27 74,725
2017-06-09 Filippi Shawn M (VP, CCO & Corporate Secretary) Option Ex 1,200 42.70 51,240
2017-06-06 Heiting Kimberly A. (VP & Chief Marketing Officer) Sale 2,700 61.58 166,274
2017-06-06 Heiting Kimberly A. (VP & Chief Marketing Officer) Option Ex 2,700 43.29 116,883
2017-06-05 Byorum Martha L Sale 324 62.55 20,266
2017-05-31 Carter John D Sale 5,000 61.24 306,215
2017-03-31 Murandu Ngoni (VP & CIO) Option Ex 660 .00 0
2017-03-13 Doolittle Lea Anne (Chief Adm. Officer & SVP) Sale 3,200 58.00 185,600
2017-03-13 Doolittle Lea Anne (Chief Adm. Officer & SVP) Option Ex 3,200 42.90 137,270
2017-03-09 Weber David A. (Pres. & CEO of Issuer's Sub.) Sale 575 57.49 33,058
2017-02-28 Filippi Shawn M (VP, CCO & Corporate Secretary) Sale 600 59.95 35,970
2017-02-28 Filippi Shawn M (VP, CCO & Corporate Secretary) Option Ex 600 44.48 26,687
2017-02-28 Gibson C Scott Sale 1,643 59.86 98,345
2017-01-12 Anderson David Hugo (President & CEO) Sale 1,181 59.31 70,043
2017-01-12 Dodson Mark S Sale 1,008 58.07 58,532
2016-12-30 Doolittle Lea Anne (Chief Adm. Officer & SVP) Sale 600 59.73 35,839
2016-12-30 Doolittle Lea Anne (Chief Adm. Officer & SVP) Option Ex 600 44.48 26,687
2016-07-11 Kantor Gregg S (CEO) Sale 1,000 63.91 63,913
2016-06-14 Russell Lori L (VP) Sale 1,200 59.26 71,107
2016-06-14 Russell Lori L (VP) Option Ex 1,200 44.48 53,375
2016-06-14 Heiting Kimberly A. (VP & Chief Marketing Officer) Sale 1,200 59.37 71,246
2016-06-14 Heiting Kimberly A. (VP & Chief Marketing Officer) Option Ex 1,200 44.48 53,375
2016-06-14 Weber David A. (Pres. & CEO of Issuer's Sub.) Sale 2,000 59.38 118,764
2016-06-14 Weber David A. (Pres. & CEO of Issuer's Sub.) Option Ex 2,000 44.48 88,960
2016-06-14 Saathoff Mardilyn (SVP, General Counsel & Reg.) Sale 5,000 59.22 296,105
2016-06-14 Saathoff Mardilyn (SVP, General Counsel & Reg.) Option Ex 5,000 51.09 255,450
2016-06-13 Yoshihara Grant M (VP) Sale 2,000 59.15 118,302
2016-06-13 Yoshihara Grant M (VP) Option Ex 2,000 44.48 88,960
2016-06-10 Kantor Gregg S (CEO) Sale 1,000 59.16 59,162
2016-06-08 Doolittle Lea Anne (Chief Adm. Officer & SVP) Sale 3,000 57.63 172,884
2016-06-08 Doolittle Lea Anne (Chief Adm. Officer & SVP) Option Ex 3,000 44.48 133,440
2016-05-17 Murandu Ngoni (VP & CIO) Sale 198 55.44 10,977
2016-05-10 Kantor Gregg S (CEO) Sale 1,000 56.86 56,857
2016-03-23 Doolittle Lea Anne (Chief Adm. Officer & SVP) Sale 6,113 52.17 318,933
2016-03-17 Anderson David Hugo (President & COO) Sale 13,307 52.26 695,477
2016-03-17 Anderson David Hugo (President & COO) Option Ex 15,000 42.81 642,225
2016-03-16 Kantor Gregg S (CEO) Sale 7,000 50.47 353,269
2016-03-16 Kantor Gregg S (CEO) Option Ex 7,000 44.48 311,360
2016-03-11 Williams David R (Vice President) Sale 2,000 51.34 102,686
2016-03-11 Williams David R (Vice President) Option Ex 2,000 44.48 88,960
2016-03-07 Kantor Gregg S (CEO) Sale 4,129 50.24 207,440
2016-02-29 Kantor Gregg S (CEO) Sale 25,000 50.15 1,253,775
2016-02-29 Kantor Gregg S (CEO) Option Ex 25,000 41.15 1,028,750
2016-01-14 Kantor Gregg S (CEO) Sale 233 50.47 11,760
2016-01-14 Dodson Mark S Sale 943 50.47 47,596
2015-12-09 Doolittle Lea Anne (Chief Adm. Officer & SVP) Sale 350 49.10 17,183
2015-11-20 Gibson C Scott Sale 1,200 47.91 57,498
2015-11-19 Kirkpatrick Margaret D (Sr. VP) Sale 5,000 47.68 238,405
2015-11-19 Kirkpatrick Margaret D (Sr. VP) Option Ex 5,000 34.29 171,450
2015-11-17 Filippi Shawn M (VP and Corporate Secretary) Sale 1,130 46.90 52,997
2015-11-17 Filippi Shawn M (VP and Corporate Secretary) Option Ex 1,130 34.29 38,747
2015-11-16 Filippi Shawn M (VP and Corporate Secretary) Sale 70 46.90 3,283
2015-11-16 Filippi Shawn M (VP and Corporate Secretary) Option Ex 70 34.29 2,400
2015-11-09 Weber David A. (Pres. & CEO of Issuer's Sub.) Sale 625 45.91 28,693
2015-11-09 Weber David A. (Pres. & CEO of Issuer's Sub.) Option Ex 625 34.29 21,431
2015-06-26 Kirkpatrick Margaret D (SVP) Sale 6,000 42.85 257,129
2015-06-26 Kirkpatrick Margaret D (SVP) Option Ex 6,000 38.30 229,799
2015-04-22 Dodson Mark S Sale 600 47.91 28,747
2015-04-15 Dodson Mark S Sale 600 48.18 28,909
2015-04-08 Dodson Mark S Sale 600 48.20 28,920
2015-04-01 Dodson Mark S Sale 600 47.66 28,595
2015-03-30 Feltz Stephen P (Sr. VP & CFO) Sale 2,500 47.53 118,822
2015-03-30 Feltz Stephen P (Sr. VP & CFO) Option Ex 2,500 34.29 85,725
2015-03-25 Dodson Mark S Sale 600 47.82 28,690
2015-03-19 Williams David R (Vice President) Sale 2,500 46.91 117,270
2015-03-19 Williams David R (Vice President) Option Ex 2,500 34.29 85,725
2015-03-18 Dodson Mark S Sale 600 46.34 27,807
2015-03-13 Dodson Mark S Sale 600 45.15 27,091
2015-03-05 Kantor Gregg S (President & CEO) Sale 2,524 45.86 115,740
2015-03-05 Kantor Gregg S (President & CEO) Option Ex 3,000 34.29 102,870
2015-01-15 Kantor Gregg S (President & CEO) Sale 217 50.02 10,853
2015-01-15 Dodson Mark S Sale 879 50.02 43,964
2014-12-30 Weber David A. (Pres. & CEO of Issuer's Sub.) Sale 200 50.89 10,178
2014-12-05 Doolittle Lea Anne (Chief Adm. Officer & SVP) Sale 3,000 47.10 141,312
2014-12-05 Doolittle Lea Anne (Chief Adm. Officer & SVP) Option Ex 3,000 34.29 102,870
2014-11-06 Yoshihara Grant M (VP) Sale 2,500 46.97 117,425
2014-11-06 Yoshihara Grant M (VP) Option Ex 2,500 34.29 85,725
2014-05-09 Weber David A. (Pres. & CEO of Issuer's Sub.) Sale 857 43.78 37,522
2014-03-31 Anderson David Hugo (Executive VP & COO) Sale 6,889 44.00 303,088
2014-03-31 Anderson David Hugo (Executive VP & COO) Option Ex 8,000 34.29 274,320
2014-01-16 Kantor Gregg S (President & CEO) Sale 214 41.80 8,944
2014-01-16 Dodson Mark S Sale 866 41.80 36,195
2013-12-23 Anderson David Hugo (Executive VP Operations & Regs) Sale 6,696 43.18 289,126
2013-12-23 Anderson David Hugo (Executive VP Operations & Regs) Option Ex 8,000 32.02 256,160
2013-12-13 Anderson David Hugo (Executive VP Operations & Regs) Sale 6,772 42.41 287,214
2013-12-13 Anderson David Hugo (Executive VP Operations & Regs) Option Ex 8,000 32.02 256,160
2013-12-09 White J Keith (VP, Business Development) Sale 1,000 41.58 41,582
2013-12-09 White J Keith (VP, Business Development) Option Ex 1,000 31.34 31,340
2013-12-03 Feltz Stephen P (Sr. Vice President & CFO) Sale 4,198 42.00 176,316
2013-12-03 Feltz Stephen P (Sr. Vice President & CFO) Option Ex 5,000 31.34 156,700
2013-12-03 Doolittle Lea Anne (Sr. V.P. & Cheif Admin Officer) Sale 3,000 41.68 125,051
2013-12-03 Doolittle Lea Anne (Sr. V.P. & Cheif Admin Officer) Option Ex 3,000 31.34 94,020
2013-11-26 White J Keith (VP, Business Development) Sale 1,000 42.72 42,720
2013-11-26 White J Keith (VP, Business Development) Option Ex 1,000 31.34 31,340
2013-11-21 Yoshihara Grant M (VP, Utility Operations) Sale 3,000 42.45 127,338
2013-11-21 Yoshihara Grant M (VP, Utility Operations) Option Ex 3,000 31.34 94,020
2013-01-17 Anderson David Hugo (SVP & CFO) Sale 1,059 44.06 46,659
2013-01-17 Kantor Gregg S (President & CEO) Sale 208 43.67 9,082
2013-01-17 Dodson Mark S Sale 841 43.68 36,734
2012-03-15 Miller C. Alex (VP) Sale 1,500 46.00 69,000
2012-03-15 Miller C. Alex (VP) Option Ex 1,500 41.15 61,725
2012-01-13 Anderson David Hugo (SVP & CFO) Sale 1,625 47.06 76,467
2012-01-13 Dodson Mark S Sale 805 46.81 37,682
2011-11-17 Doolittle Lea Anne (SVP) Sale 2,800 46.73 130,843
2011-11-07 Kantor Gregg S (President & CEO) Sale 4,773 46.20 220,493
2011-11-07 Kantor Gregg S (President & CEO) Option Ex 6,000 31.34 188,040
2011-09-20 Dodson Mark S Sale 1,000 44.18 44,178
2011-09-06 Dodson Mark S Sale 5,000 43.62 218,080
2011-08-05 Kantor Gregg S (President & CEO) Buy 300 42.74 12,821
2011-06-24 Feltz Stephen P (Treasurer & Controller) Sale 1,000 44,636.00 44,636,000
2011-06-03 Dodson Mark S Sale 5,000 43.99 219,960
2011-01-10 Anderson David Hugo (SVP & CFO) Sale 1,325 46.24 61,268
2011-01-10 Dodson Mark S Sale 730 46.06 33,620
2010-12-28 Kirkpatrick Margaret D (VP & General Counsel) Sale 203 47.37 9,616
2010-09-24 Feltz Stephen P (Treasurer & Controller) Sale 4,500 46.91 211,104
2010-09-24 Feltz Stephen P (Treasurer & Controller) Option Ex 5,000 26.30 131,500
2010-09-20 Miller C. Alex (VP) Sale 1,500 47.00 70,500
2010-09-20 Miller C. Alex (VP) Option Ex 1,500 34.29 51,435
2010-09-17 Yoshihara Grant M (VP) Sale 2,500 46.03 115,065
2010-09-17 Yoshihara Grant M (VP) Option Ex 2,500 26.30 65,750
2010-09-13 Dodson Mark S Sale 3,000 46.41 139,230
2010-09-02 Dodson Mark S Sale 1,703 46.63 79,407
2010-08-30 Dodson Mark S Sale 2,500 45.58 113,950
2010-08-10 Dodson Mark S Sale 18,000 47.52 855,270
2010-08-10 Dodson Mark S Option Ex 18,000 34.29 617,220
2010-08-09 Kantor Gregg S (President & CEO) Sale 1,417 48.09 68,143
2010-08-09 Kantor Gregg S (President & CEO) Option Ex 2,000 26.30 52,600
2010-08-05 Dodson Mark S Sale 25,000 47.92 1,198,075
2010-08-05 Dodson Mark S Option Ex 25,000 43.29 1,082,250
2010-06-17 Dodson Mark S Sale 5,000 45.58 227,905
2010-06-17 Dodson Mark S Option Ex 5,000 34.29 171,450
2010-05-14 Dodson Mark S Sale 7,000 46.63 326,431
2010-05-14 Dodson Mark S Option Ex 7,000 44.48 311,360
2010-03-23 Dodson Mark S Sale 7,000 46.96 328,692
2010-03-23 Dodson Mark S Option Ex 6,000 44.48 266,880
2010-03-09 Dodson Mark S Sale 10,000 46.46 464,610
2010-03-09 Dodson Mark S Option Ex 10,000 44.48 444,799
2010-03-01 Carter John D Buy 5,000 45.01 225,050
2010-01-08 Anderson David Hugo (SVP & CFO) Sale 192 44.84 8,610
2010-01-08 Dodson Mark S Sale 582 44.65 25,986
2009-12-22 Miller C. Alex (VP) Sale 1,000 45.29 45,291
2009-12-22 Miller C. Alex (VP) Option Ex 1,000 34.29 34,290
2009-12-14 Dodson Mark S Sale 1,000 45.01 45,014
2009-12-10 Kantor Gregg S (President & CEO) Buy 470 44.24 20,791
2009-12-02 Yoshihara Grant M (VP) Sale 2,500 43.64 109,097
2009-12-02 Yoshihara Grant M (VP) Option Ex 2,500 20.25 50,625
2009-11-23 Dodson Mark S Sale 1,000 43.51 43,509
2009-11-17 Kirkpatrick Margaret D (VP & General Counsel) Sale 1 44.34 44
2009-11-13 Kirkpatrick Margaret D (VP & General Counsel) Sale 132 42.59 5,621
2009-11-09 Dodson Mark S Sale 1,037 43.20 44,799
2009-08-21 Dodson Mark S Sale 3,000 43.22 129,666
2009-08-19 Doolittle Lea Anne (SVP) Sale 2,000 42.53 85,052
2009-07-01 Dodson Mark S Sale 591 44.92 26,547
2009-06-17 Dodson Mark S Sale 2,500 44.61 111,522
2009-06-08 Dodson Mark S Sale 1,678 45.27 75,961
2009-05-04 Dodson Mark S Sale 12,500 42.07 525,850
2009-03-04 Kirkpatrick Margaret D (VP & General Counsel) Buy 130 39.43 5,126
2009-03-03 Kirkpatrick Margaret D (VP & General Counsel) Buy 125 39.12 4,889
2009-03-02 Thrasher Kenneth (Director) Buy 3,500 41.29 144,515
2009-01-08 Dodson Mark S (Director) Sale 567 41.86 23,734
2008-11-25 Kirkpatrick Margaret D (VP & General Counsel) Buy 65 49.39 3,210
2008-11-24 Dodson Mark S (Chief Executive Officer) Sale 2,500 49.39 123,472
2008-11-24 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-11-17 Dodson Mark S (Chief Executive Officer) Sale 2,500 46.84 117,102
2008-11-17 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-11-12 Doolittle Lea Anne (Senior Vice President) Sale 400 46.75 18,700
2008-11-10 Dodson Mark S (Chief Executive Officer) Sale 2,500 49.17 122,920
2008-11-10 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-11-07 Dodson Mark S (Chief Executive Officer) Sale 2,500 48.58 121,450
2008-11-07 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-09-22 Dodson Mark S (Chief Executive Officer) Sale 2,500 52.59 131,485
2008-09-22 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-09-15 Dodson Mark S (Chief Executive Officer) Sale 2,500 48.82 122,050
2008-09-15 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-09-11 Williams David R (Vice President) Sale 5,500 49.82 273,988
2008-09-11 Williams David R (Vice President) Option Ex 5,500 28.82 158,510
2008-09-08 Dodson Mark S (Chief Executive Officer) Sale 2,500 48.12 120,305
2008-09-08 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-09-02 Dodson Mark S (Chief Executive Officer) Sale 2,500 48.90 122,255
2008-09-02 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-08-25 Dodson Mark S (Chief Executive Officer) Sale 2,500 47.86 119,640
2008-08-25 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-08-18 Dodson Mark S (Chief Executive Officer) Sale 2,500 47.75 119,372
2008-08-18 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-08-11 Dodson Mark S (Chief Executive Officer) Sale 2,500 44.80 111,990
2008-08-11 Dodson Mark S (Chief Executive Officer) Option Ex 2,500 31.34 78,350
2008-08-07 Dodson Mark S (Chief Executive Officer) Sale 5,000 44.44 222,194
2008-08-07 Dodson Mark S (Chief Executive Officer) Option Ex 5,000 31.34 156,700
2008-06-09 Peverett Jane L (Director) Buy 1,000 45.81 45,810
2008-06-05 Luther Richelle T (CGO & Corporate Secretary) Sale 3,925 46.00 180,550
2008-06-05 Luther Richelle T (CGO & Corporate Secretary) Option Ex 3,925 36.70 144,059
2008-06-04 Luther Richelle T (CGO & Corporate Secretary) Sale 2,700 46.00 124,200
2008-06-04 Luther Richelle T (CGO & Corporate Secretary) Option Ex 2,700 31.34 84,618
2008-02-19 Kirkpatrick Margaret D (VP & General Counsel) Buy 1,550 46.12 71,486
2007-12-18 Reiten Richard G (Director) Sale 3,400 48.00 163,200
2007-12-14 Reiten Richard G (Director) Sale 3,600 48.04 172,933
2007-11-21 Yoshihara Grant M (Vice President) Sale 1,000 50.00 50,000
2007-11-21 Yoshihara Grant M (Vice President) Option Ex 1,000 27.88 27,875
2007-11-19 Doolittle Lea Anne (Vice President) Sale 500 49.29 24,646
2007-11-15 Kantor Gregg S (President and COO) Sale 1,600 49.80 79,688
2007-11-15 Kantor Gregg S (President and COO) Option Ex 2,500 20.25 50,625
2007-11-14 Feltz Stephen P (Treasurer and Controller) Sale 2,500 49.20 123,005
2007-11-14 Feltz Stephen P (Treasurer and Controller) Option Ex 2,500 27.88 69,687
2007-11-12 Williams David R (Vice President) Sale 1,500 48.62 72,930
2007-11-12 Williams David R (Vice President) Option Ex 1,500 27.88 41,812
2007-08-31 Doolittle Lea Anne (Vice President) Sale 400 46.56 18,625
2007-05-02 White J Keith (Vice President) Sale 2,000 52.73 105,458
2007-05-02 White J Keith (Vice President) Option Ex 2,000 31.34 62,680
2007-04-27 Anderson David Hugo (Sr. Vice President and CFO) Buy 412 49.85 20,538
2007-03-22 Rue Cj (Secretary) Sale 2,094 45.89 96,095
2007-02-16 Anderson David Hugo (Sr. Vice President and CFO) Buy 1,273 42.90 54,611
2006-12-14 Mccoy Michael S (Executive Vice President) Sale 5,000 42.51 212,525
2006-12-14 Mccoy Michael S (Executive Vice President) Option Ex 5,000 27.88 139,375
2006-12-11 Kantor Gregg S (Sr. Vice President) Sale 2,375 41.44 98,408
2006-12-11 Kantor Gregg S (Sr. Vice President) Option Ex 3,000 27.88 83,625
2006-11-17 Doolittle Lea Anne (Vice President) Sale 2,000 40.58 81,150
2006-11-17 Doolittle Lea Anne (Vice President) Option Ex 2,000 31.34 62,680
2006-09-15 Rue Cj (Secretary) Sale 2,000 39.19 78,380
2006-09-15 Rue Cj (Secretary) Option Ex 2,000 31.34 62,680
2006-05-09 Mccoy Michael S (Executive Vice President) Sale 5,127 35.16 180,290
2006-03-22 Thrasher Kenneth (Director) Buy 3,000 34.14 102,417
2006-02-22 Anderson David Hugo (Sr. Vice President and CFO) Buy 5,000 34.00 170,000

Insider trading activities including stock purchases, stock sales, and option exercises of NWN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Northwest Natural Gas Co (symbol NWN, CIK number 73020) see the Securities and Exchange Commission (SEC) website.