Insider Trading activities of Elkcorp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Elkcorp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Elkcorp since year 2005. Table 2 shows the detailed insider transactions of Elkcorp since 2005. The reporting company's ticker symbol is ELK. The reporting company's CIK number is 32017.
The total value of stock buying since 2005 is $54,794,014.
The total value of stock sales since 2005 is $58,199,825.
The total value of stock option exercises since 2005 is $7,182,622.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Elkcorp (ELK).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2007-02 2,123,799 $54,794,014 2,161,549 $56,431,042 145,170 $6,314,892
2006-10 0 $0 0 $0 4,500 $37,498
2006-08 0 $0 0 $0 8,250 $142,741
2006-07 0 $0 0 $0 9,930 $186,286
2006-06 0 $0 0 $0 1,500 $19,999
2006-03 0 $0 10,000 $350,000 11,340 $158,760
2006-02 0 $0 1,200 $44,064 0 $0
2006-01 0 $0 11,320 $402,369 17,164 $322,446
2005-11 0 $0 3,700 $125,984 0 $0
2005-10 0 $0 1,100 $34,100 0 $0
2005-09 0 $0 19,065 $677,016 0 $0
2005-05 0 $0 5,000 $135,250 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Elkcorp insiders (ELK)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2007-02-22 Heyman Investment Associates Limited Partnership (10% Owner) Sale 2,123,799 25.80 54,794,014
2007-02-22 Jerger-stevens Jan (V.P. Human Resources) Option Ex 765 43.50 33,277
2007-02-22 Gies Glenn A (V.P., Information Technology) Option Ex 1,905 43.50 82,867
2007-02-22 Barker Curt A (Sr. V. P., Sales and Marketing) Option Ex 6,600 43.50 287,100
2007-02-22 Kiik Matti (SVP & Chief Technology Officer) Option Ex 7,065 43.50 307,327
2007-02-22 Nowak Richard A (President and COO) Option Ex 39,705 43.50 1,727,167
2007-02-22 Fisher Gregory J (Sr. V.P., CFO and Controller) Option Ex 9,225 43.50 401,287
2007-02-22 Karol Thomas D (Other) Option Ex 67,860 43.50 2,951,910
2007-02-22 Sisler David G (SVP General Counsel Secretary) Option Ex 8,700 43.50 378,450
2007-02-22 Harral Leonard R (V.P., CAO and Treasurer) Option Ex 3,345 43.50 145,507
2007-02-22 Building Materials Corp Of America (10% Owner) Buy 2,123,799 25.80 54,794,014
2007-02-07 Karol Thomas D (Chairman of the Board and CEO) Sale 37,750 43.36 1,637,028
2006-10-19 Hall James E (Director) Option Ex 4,500 8.33 37,498
2006-08-04 Nowak Richard A (President and COO) Option Ex 8,250 17.30 142,741
2006-07-05 Karol Thomas D (Chairman of the Board and CEO) Option Ex 9,930 18.76 186,286
2006-06-06 Fisher Gregory J (Sr. V.P., CFO and Controller) Option Ex 1,500 13.33 19,999
2006-03-10 Nowak Richard A (President and COO) Option Ex 11,340 14.00 158,760
2006-03-09 Nowak Richard A (President and COO) Sale 9,200 35.00 322,000
2006-03-08 Nowak Richard A (President and COO) Sale 800 35.00 28,000
2006-02-24 Sisler David G (SVP General Counsel Secretary) Sale 1,200 36.72 44,064
2006-01-30 Kiik Matti (SVP, Research and De) Option Ex 11,320 20.87 236,271
2006-01-27 Kiik Matti (SVP, Research and De) Sale 11,320 35.54 402,369
2006-01-25 Harral Leonard R (V.P., CAO and Treasu) Option Ex 5,844 14.75 86,175
2005-11-18 Sisler David G (SVP General Counsel) Sale 2,500 34.05 85,124
2005-10-28 Sisler David G (SVP General Counsel) Sale 1,100 31.00 34,100
2005-09-14 Sisler David G (SVP General Counsel) Sale 0 35.74 0
2005-09-12 Nowak Richard A (President and COO) Sale 10,000 35.85 358,500
2005-09-01 Waibel James J (SVP, Administration) Sale 9,065 35.14 318,516
2005-05-06 Fisher Gregory J (Sr. V. P., CFO and C) Sale 5,000 27.05 135,250

Insider trading activities including stock purchases, stock sales, and option exercises of ELK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Elkcorp (symbol ELK, CIK number 32017) see the Securities and Exchange Commission (SEC) website.