Insider Trading activities of Hoku Scientific Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Hoku Scientific Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Hoku Scientific Inc since year 2005. Table 2 shows the detailed insider transactions of Hoku Scientific Inc since 2005. The reporting company's ticker symbol is HOKU. The reporting company's CIK number is 1178336.
The total value of stock buying since 2005 is $0.
The total value of stock sales since 2005 is $22,462,946.
The total value of stock option exercises since 2005 is $84,524.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Hoku Scientific Inc (HOKU).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2010-10 0 $0 20,000 $51,341 0 $0
2010-09 0 $0 3,200 $8,480 0 $0
2010-08 0 $0 41,000 $122,760 0 $0
2010-07 0 $0 20,000 $63,300 0 $0
2010-06 0 $0 1,200 $3,840 0 $0
2010-03 0 $0 0 $0 2,667 $1,400
2010-02 0 $0 76,529 $178,937 0 $0
2009-12 0 $0 70,000 $155,227 100,833 $20,384
2009-07 0 $0 2,500 $6,242 2,500 $187
2009-04 0 $0 2,500 $6,550 2,500 $187
2008-12 0 $0 2,500 $7,100 2,500 $187
2008-10 0 $0 2,500 $12,575 2,500 $187
2008-07 0 $0 2,500 $11,425 2,500 $187
2008-04 0 $0 401,600 $3,395,780 50,000 $15,000
2007-12 0 $0 339,655 $2,834,620 45,666 $12,724
2006-11 0 $0 55,800 $176,304 0 $0
2006-10 0 $0 44,200 $168,309 0 $0
2006-02 0 $0 1,728,482 $15,260,156 17,407 $34,081

Table 2. Detailed insider stock purchases, sales, and option exercises of Hoku Scientific Inc insiders (HOKU)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2010-10-06 Taft Karl M Iii (CTO) Sale 12,500 2.55 31,924
2010-10-05 Taft Karl M Iii (CTO) Sale 7,500 2.59 19,417
2010-09-30 Nakamoto Darryl (CFO, Treasurer & Secretary) Sale 2,000 2.65 5,300
2010-09-30 Paul Scott B (CEO) Sale 1,200 2.65 3,180
2010-08-10 Taft Karl M Iii (CTO) Sale 10,000 2.90 29,000
2010-08-09 Taft Karl M Iii (CTO) Sale 10,000 3.02 30,200
2010-08-09 Nakamoto Darryl (CFO, Treasurer & Secretary) Sale 10,000 3.02 30,200
2010-08-09 Paul Scott B (CEO) Sale 10,000 3.02 30,200
2010-08-01 Schreck Jerrod M (CSO) Sale 1,000 3.16 3,160
2010-07-14 Taft Karl M Iii (CTO) Sale 10,000 3.14 31,420
2010-07-13 Taft Karl M Iii (CTO) Sale 10,000 3.19 31,880
2010-06-30 Paul Scott B (CEO) Sale 1,200 3.20 3,840
2010-03-25 Nakamoto Darryl (CFO, Treasurer & Secretary) Option Ex 2,667 .52 1,400
2010-02-04 Shindo Dustin M (Chairman, President & CEO) Sale 8,884 2.24 19,900
2010-02-03 Shindo Dustin M (Chairman, President & CEO) Sale 13,612 2.27 30,872
2010-02-03 Taft Karl M Iii (CTO) Sale 6,188 2.26 14,009
2010-02-02 Shindo Dustin M (Chairman, President & CEO) Sale 14,033 2.39 33,510
2010-02-02 Taft Karl M Iii (CTO) Sale 13,812 2.38 32,927
2010-02-02 Nakamoto Darryl (CFO, Treasurer & Secretary) Sale 10,000 2.38 23,849
2010-02-02 Paul Scott B (COO) Sale 10,000 2.39 23,870
2009-12-29 Taft Karl M Iii (CTO) Option Ex 33,333 .08 2,499
2009-12-29 Nakamoto Darryl (CFO, Treasurer & Secretary) Option Ex 25,000 .52 13,125
2009-12-28 Paul Scott B (COO) Option Ex 42,500 .11 4,760
2009-12-07 Shindo Dustin M (Chairman, President & CEO) Sale 9,000 2.28 20,511
2009-12-04 Shindo Dustin M (Chairman, President & CEO) Sale 21,000 2.20 46,284
2009-12-03 Shindo Dustin M (Chairman, President & CEO) Sale 6,800 2.20 14,987
2009-12-03 Taft Karl M Iii (CTO) Sale 6,800 2.20 14,987
2009-12-02 Shindo Dustin M (Chairman, President & CEO) Sale 9,250 2.21 20,405
2009-12-02 Taft Karl M Iii (CTO) Sale 9,250 2.21 20,405
2009-12-01 Shindo Dustin M (Chairman, President & CEO) Sale 3,950 2.23 8,824
2009-12-01 Taft Karl M Iii (CTO) Sale 3,950 2.23 8,824
2009-07-02 Paul Scott B (COO) Sale 2,500 2.50 6,242
2009-07-02 Paul Scott B (COO) Option Ex 2,500 .08 187
2009-04-13 Paul Scott B (COO) Sale 2,500 2.62 6,550
2009-04-13 Paul Scott B (COO) Option Ex 2,500 .08 187
2008-12-15 Paul Scott B (COO) Sale 2,500 2.84 7,100
2008-12-15 Paul Scott B (COO) Option Ex 2,500 .08 187
2008-10-14 Paul Scott B (VP Bus. Dev. & General Counsel) Sale 2,500 5.03 12,575
2008-10-14 Paul Scott B (VP Bus. Dev. & General Counsel) Option Ex 2,500 .08 187
2008-07-10 Paul Scott B (VP Bus. Dev. & General Counsel) Sale 2,500 4.57 11,425
2008-07-10 Paul Scott B (VP Bus. Dev. & General Counsel) Option Ex 2,500 .08 187
2008-04-07 Eldridge Kenton T (Director) Sale 25,000 10.02 250,500
2008-04-02 Shindo Dustin M (Chairman, President & CEO) Sale 90,000 8.40 752,187
2008-04-02 Taft Karl M Iii (CTO & Assistant Secretary) Sale 75,000 8.40 626,715
2008-04-02 Nakamoto Darryl (CFO) Sale 15,000 8.30 124,560
2008-04-02 Nakamoto Darryl (CFO) Option Ex 15,000 .52 7,875
2008-04-02 Paul Scott B (VP Bus. Dev. & General Counsel) Sale 15,000 8.37 125,535
2008-04-02 Paul Scott B (VP Bus. Dev. & General Counsel) Option Ex 15,000 .08 1,125
2007-12-28 Nakamoto Darryl (CFO) Option Ex 10,666 .52 5,599
2007-12-06 Paul Scott B (VP Bus. Dev. & General Counsel) Sale 5,000 12.07 60,350
2007-12-05 Eldridge Kenton T (Director) Sale 45,000 10.17 457,650
2007-12-03 Shindo Dustin M (Chairman, President & CEO) Sale 100,000 8.04 801,529
2007-12-03 Taft Karl M Iii (CTO & Assistant Secretary) Sale 40,000 8.00 316,986
2007-12-03 Nakamoto Darryl (CFO) Sale 10,000 8.20 82,030
2007-12-03 Nakamoto Darryl (CFO) Option Ex 10,000 .52 5,250
2007-12-03 Paul Scott B (VP Bus. Dev. & General Counsel) Sale 25,000 8.24 204,837
2007-12-03 Paul Scott B (VP Bus. Dev. & General Counsel) Option Ex 25,000 .08 1,875
2006-11-13 Shindo Lisa A (10% Owner) Sale 16,800 3.20 53,844
2006-11-10 Shindo Lisa A (10% Owner) Sale 39,000 3.14 122,460
2006-10-20 Shindo Lisa A (10% Owner) Sale 9,900 3.77 37,283
2006-10-19 Shindo Lisa A (10% Owner) Sale 34,300 3.82 131,026
2006-02-17 Shindo Dustin M (Chairman, President & CEO) Sale 144,500 8.00 1,156,144
2006-02-16 Shindo Dustin M (Chairman, President & CEO) Sale 112,252 8.09 908,230
2006-02-16 Yonamine Paul K (Director) Sale 7,407 8.11 60,078
2006-02-16 Yonamine Paul K (Director) Option Ex 7,407 4.50 33,331
2006-02-16 Taft Karl M Iii (CTO & Assistant Secretary) Sale 27,532 8.11 223,312
2006-02-16 Nakamoto Darryl (CFO) Sale 2,025 8.11 16,424
2006-02-16 Paul Scott B (VP Bus. Dev. & General Counsel) Sale 12,532 8.11 101,647
2006-02-16 Paul Scott B (VP Bus. Dev. & General Counsel) Option Ex 10,000 .08 750
2006-02-08 Lava Ventures, Llc (10% Owner) Sale 87,379 8.68 758,971
2006-02-07 Lava Ventures, Llc (10% Owner) Sale 638,385 8.97 5,767,515

Insider trading activities including stock purchases, stock sales, and option exercises of HOKU listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Hoku Scientific Inc (symbol HOKU, CIK number 1178336) see the Securities and Exchange Commission (SEC) website.