United States Homebuilding & Construction Supplies

Elkcorp (ELK)

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Ticker: ELK Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
BUILDING MATERIALS CORP OF AMERICA
1 purchase — total 87,555,930 USD
Buy 1 Mar 2007
Value US$2,452,788.68 | Price 270.66 | Shares 50,414
Buy 28 Feb 2007
Value US$4,740,784.72 | Price 236.75 | Shares 46,530
Buy 27 Feb 2007
Value US$12,899,707.50 | Price 43.50 | Shares 296,545
Sale 22 Feb 2007
Value US$54,794,014.20 | Price 25.80 | Shares 2,123,799
Buy 22 Feb 2007
Value US$54,794,014.20 | Price 25.80 | Shares 2,123,799
Sale 7 Feb 2007
Value US$223,252.50 | Price 43.35 | Shares 5,150
Sale 7 Feb 2007
Value US$429,264.00 | Price 43.36 | Shares 9,900
Sale 7 Feb 2007
Value US$980,162.00 | Price 43.37 | Shares 22,600
Sale 7 Feb 2007
Value US$4,338.00 | Price 43.38 | Shares 100
Sale 9 Mar 2006
Value US$322,000.00 | Price 35.00 | Shares 9,200
Sale 8 Mar 2006
Value US$28,000.00 | Price 35.00 | Shares 800
Sale 24 Feb 2006
Value US$44,064.00 | Price 36.72 | Shares 1,200
Sale 27 Jan 2006
Value US$35,510.00 | Price 35.51 | Shares 1,000
Sale 27 Jan 2006
Value US$35,501.00 | Price 35.50 | Shares 1,000
Sale 27 Jan 2006
Value US$35,209.00 | Price 35.21 | Shares 1,000
Sale 27 Jan 2006
Value US$35,348.00 | Price 35.35 | Shares 1,000
Sale 27 Jan 2006
Value US$35,461.00 | Price 35.46 | Shares 1,000
Sale 27 Jan 2006
Value US$35,555.00 | Price 35.56 | Shares 1,000
Sale 27 Jan 2006
Value US$35,724.00 | Price 35.72 | Shares 1,000
Sale 27 Jan 2006
Value US$35,788.90 | Price 35.79 | Shares 1,000
Sale 27 Jan 2006
Value US$35,740.00 | Price 35.74 | Shares 1,000
Sale 27 Jan 2006
Value US$35,620.00 | Price 35.62 | Shares 1,000
Sale 27 Jan 2006
Value US$46,912.80 | Price 35.54 | Shares 1,320
Sale 18 Nov 2005
Value US$44,265.00 | Price 34.05 | Shares 1,300
Sale 28 Oct 2005
Value US$34,100.00 | Price 31.00 | Shares 1,100
Planned sale 14 Sep 2005
Value US$22.49 | Price 35.74 | Shares 1
Sale 14 Sep 2005
Value US$76,862.60 | Price 35.80 | Shares 2,147
Sale 12 Sep 2005
Value US$350,840.00 | Price 35.80 | Shares 9,800
Sale 12 Sep 2005
Value US$7,180.00 | Price 35.90 | Shares 200
Sale 1 Sep 2005
Value US$5,811.30 | Price 35.22 | Shares 165
Sale 1 Sep 2005
Value US$14,076.00 | Price 35.19 | Shares 400
Sale 1 Sep 2005
Value US$297,500.00 | Price 35.00 | Shares 8,500
Planned sale 6 May 2005
Value US$135,250.00 | Price 27.05 | Shares 5,000
Sale 1 Feb 2005
Value US$50,973.00 | Price 39.21 | Shares 1,300
Sale 1 Feb 2005
Value US$15,676.00 | Price 39.19 | Shares 400
Sale 1 Feb 2005
Value US$43,120.00 | Price 39.20 | Shares 1,100
Sale 1 Feb 2005
Value US$3,930.00 | Price 39.30 | Shares 100
Sale 1 Feb 2005
Value US$11,778.00 | Price 39.26 | Shares 300
Sale 1 Feb 2005
Value US$23,574.00 | Price 39.29 | Shares 600
Sale 1 Feb 2005
Value US$7,846.00 | Price 39.23 | Shares 200
Sale 1 Feb 2005
Value US$31,448.00 | Price 39.31 | Shares 800
Sale 22 Nov 2004
Value US$47,171.52 | Price 29.78 | Shares 1,584
Sale 22 Nov 2004
Value US$8,946.00 | Price 29.82 | Shares 300
Sale 22 Nov 2004
Value US$2,985.00 | Price 29.85 | Shares 100
Sale 11 Nov 2004
Value US$50,473.00 | Price 29.69 | Shares 1,700
Sale 11 Nov 2004
Value US$17,826.00 | Price 29.71 | Shares 600
Sale 11 Nov 2004
Value US$5,940.00 | Price 29.70 | Shares 200
Sale 11 Nov 2004
Value US$74,100.00 | Price 29.64 | Shares 2,500
Buy 23 Aug 2004
Value US$25,050.00 | Price 25.05 | Shares 1,000
Sale 17 Aug 2004
Value US$72,355.00 | Price 24.95 | Shares 2,900
Sale 7 May 2004
Value US$113,950.00 | Price 26.50 | Shares 4,300
Sale 7 May 2004
Value US$24,681.02 | Price 26.74 | Shares 923
Sale 10 Mar 2004
Value US$108,500.00 | Price 28.00 | Shares 3,875
Sale 10 Feb 2004
Value US$116,520.00 | Price 29.13 | Shares 4,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2007-03-01 2007-03-01 B Purchase BUILDING MATERIALS CORP OF AMERICA Large shareholder
50,414 +3.7%
270.66
US$2,452,789 		50,414 +3.7% 270.66 US$2,452,789
2007-03-01 2007-02-28 B Purchase BUILDING MATERIALS CORP OF AMERICA Large shareholder
46,530 +46.9%
236.75
US$4,740,785 		46,530 +46.9% 236.75 US$4,740,785
2007-03-01 2007-02-27 B Purchase BUILDING MATERIALS CORP OF AMERICA Large shareholder
14,403 -13.8%
100.92
US$146,976 		14,403 -13.8% 100.92 US$146,976
2007-02-26 2007-02-22 S Sale Heyman Investment Associates Limited Partnership Large shareholder
2,123,799
25.80
US$54,794,014 		2,123,799 25.80 US$54,794,014
2007-02-26 2007-02-22 B Purchase BUILDING MATERIALS CORP OF AMERICA Large shareholder
2,123,799 +12.8%
25.80
US$54,794,014 		2,123,799 +12.8% 25.80 US$54,794,014
2007-02-09 2007-02-07 S Sale KAROL THOMAS D

Chairman of the Board and CEO

Executive Director
5,150 -7.0%
43.35
US$223,252 		5,150 -7.0% 43.35 US$223,252
2007-02-09 2007-02-07 S Sale KAROL THOMAS D

Chairman of the Board and CEO

Executive Director
9,900 -11.8%
43.36
US$429,264 		9,900 -11.8% 43.36 US$429,264
2007-02-09 2007-02-07 S Sale KAROL THOMAS D

Chairman of the Board and CEO

Executive Director
22,600 -21.2%
43.37
US$980,162 		22,600 -21.2% 43.37 US$980,162
2007-02-09 2007-02-07 S Sale KAROL THOMAS D

Chairman of the Board and CEO

Executive Director
100 -0.1%
43.38
US$4,338 		100 -0.1% 43.38 US$4,338
2006-03-10 2006-03-09 S Sale NOWAK RICHARD A

President and COO

Executive Director
9,200 -14.7%
35.00
US$322,000 		9,200 -14.7% 35.00 US$322,000
2006-03-10 2006-03-08 S Sale NOWAK RICHARD A

President and COO

Executive Director
800 -1.3%
35.00
US$28,000 		800 -1.3% 35.00 US$28,000
2006-02-24 2006-02-24 S Sale SISLER DAVID G

SVP General Counsel Secretary

Officer
1,200 -7.9%
36.72
US$44,064 		1,200 -7.9% 36.72 US$44,064
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -27.7%
35.51
US$35,510 		1,000 -27.7% 35.51 US$35,510
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -21.7%
35.50
US$35,501 		1,000 -21.7% 35.50 US$35,501
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -17.8%
35.21
US$35,209 		1,000 -17.8% 35.21 US$35,209
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -15.1%
35.35
US$35,348 		1,000 -15.1% 35.35 US$35,348
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -13.1%
35.46
US$35,461 		1,000 -13.1% 35.46 US$35,461
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -11.6%
35.56
US$35,555 		1,000 -11.6% 35.56 US$35,555
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -10.4%
35.72
US$35,724 		1,000 -10.4% 35.72 US$35,724
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -9.4%
35.79
US$35,789 		1,000 -9.4% 35.79 US$35,789
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -8.6%
35.74
US$35,740 		1,000 -8.6% 35.74 US$35,740
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,000 -7.9%
35.62
US$35,620 		1,000 -7.9% 35.62 US$35,620
2006-01-31 2006-01-27 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,320 -9.5%
35.54
US$46,913 		1,320 -9.5% 35.54 US$46,913
2005-11-18 2005-11-18 S Sale SISLER DAVID G

SVP General Counsel Secretary

Officer
1,300 -8.0%
34.05
US$44,265 		1,300 -8.0% 34.05 US$44,265
2005-10-31 2005-10-28 S Sale SISLER DAVID G

SVP General Counsel Secretary

Officer
1,100 -6.5%
31.00
US$34,100 		1,100 -6.5% 31.00 US$34,100
2005-09-16 2005-09-14 PlS Planned sale SISLER DAVID G

SVP General Counsel Secretary

Officer
1 -0.0%
35.74
US$22 		1 -0.0% 35.74 US$22
2005-09-14 2005-09-14 S Sale HARRAL LEONARD R

V.P., CAO and Treasurer

Officer
2,147 -16.9%
35.80
US$76,863 		2,147 -16.9% 35.80 US$76,863
2005-09-12 2005-09-12 S Sale NOWAK RICHARD A

President and COO

Executive Director
9,800 -14.5%
35.80
US$350,840 		9,800 -14.5% 35.80 US$350,840
2005-09-12 2005-09-12 S Sale NOWAK RICHARD A

President and COO

Executive Director
200 -0.3%
35.90
US$7,180 		200 -0.3% 35.90 US$7,180
2005-09-02 2005-09-01 S Sale WAIBEL JAMES J

SVP, Administration

Officer
165 -2.3%
35.22
US$5,811 		165 -2.3% 35.22 US$5,811
2005-09-02 2005-09-01 S Sale WAIBEL JAMES J

SVP, Administration

Officer
400 -5.2%
35.19
US$14,076 		400 -5.2% 35.19 US$14,076
2005-09-02 2005-09-01 S Sale WAIBEL JAMES J

SVP, Administration

Officer
8,500 -52.6%
35.00
US$297,500 		8,500 -52.6% 35.00 US$297,500
2005-05-09 2005-05-06 PlS Planned sale FISHER GREGORY J

Sr. V. P., CFO and Controller

Officer
5,000 -23.0%
27.05
US$135,250 		5,000 -23.0% 27.05 US$135,250
2005-02-03 2005-02-01 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,300 -10.3%
39.21
US$50,973 		1,300 -10.3% 39.21 US$50,973
2005-02-03 2005-02-01 S Sale KIIK MATTI

SVP, Research and Development

Officer
400 -3.1%
39.19
US$15,676 		400 -3.1% 39.19 US$15,676
2005-02-03 2005-02-01 S Sale KIIK MATTI

SVP, Research and Development

Officer
1,100 -7.8%
39.20
US$43,120 		1,100 -7.8% 39.20 US$43,120
2005-02-03 2005-02-01 S Sale KIIK MATTI

SVP, Research and Development

Officer
100 -0.7%
39.30
US$3,930 		100 -0.7% 39.30 US$3,930
2005-02-03 2005-02-01 S Sale KIIK MATTI

SVP, Research and Development

Officer
300 -2.1%
39.26
US$11,778 		300 -2.1% 39.26 US$11,778
2005-02-03 2005-02-01 S Sale KIIK MATTI

SVP, Research and Development

Officer
600 -4.0%
39.29
US$23,574 		600 -4.0% 39.29 US$23,574
2005-02-03 2005-02-01 S Sale KIIK MATTI

SVP, Research and Development

Officer
200 -1.3%
39.23
US$7,846 		200 -1.3% 39.23 US$7,846
2005-02-03 2005-02-01 S Sale KIIK MATTI

SVP, Research and Development

Officer
800 -5.0%
39.31
US$31,448 		800 -5.0% 39.31 US$31,448
2004-11-23 2004-11-22 S Sale HARRAL LEONARD R

V.P., CAO and Treasurer

Officer
1,584 -13.0%
29.78
US$47,172 		1,584 -13.0% 29.78 US$47,172
2004-11-23 2004-11-22 S Sale HARRAL LEONARD R

V.P., CAO and Treasurer

Officer
300 -2.4%
29.82
US$8,946 		300 -2.4% 29.82 US$8,946
2004-11-23 2004-11-22 S Sale HARRAL LEONARD R

V.P., CAO and Treasurer

Officer
100 -0.8%
29.85
US$2,985 		100 -0.8% 29.85 US$2,985
2004-11-15 2004-11-11 S Sale FISHER GREGORY J

Sr. V. P., CFO and Controller

Officer
1,700 -8.9%
29.69
US$50,473 		1,700 -8.9% 29.69 US$50,473
2004-11-15 2004-11-11 S Sale FISHER GREGORY J

Sr. V. P., CFO and Controller

Officer
600 -3.1%
29.71
US$17,826 		600 -3.1% 29.71 US$17,826
2004-11-15 2004-11-11 S Sale FISHER GREGORY J

Sr. V. P., CFO and Controller

Officer
200 -1.0%
29.70
US$5,940 		200 -1.0% 29.70 US$5,940
2004-11-15 2004-11-11 S Sale FISHER GREGORY J

Sr. V. P., CFO and Controller

Officer
2,500 -11.2%
29.64
US$74,100 		2,500 -11.2% 29.64 US$74,100
2004-08-23 2004-08-23 B Purchase KING SHAUNA R Non-Executive Director
1,000 +inf%
25.05
US$25,050 		1,000 +inf% 25.05 US$25,050
2004-08-18 2004-08-17 S Sale SISLER DAVID G

SVP General Counsel Secretary

Officer
2,900 -17.5%
24.95
US$72,355 		2,900 -17.5% 24.95 US$72,355
2004-05-10 2004-05-07 S Sale
WAIBEL JAMES J

Sr. V. P., Administration
4,300 -66.2%
26.50
US$113,950 		4,300 -66.2% 26.50 US$113,950
2004-05-10 2004-05-07 S Sale
WAIBEL JAMES J

Sr. V. P., Administration
923 -12.4%
26.74
US$24,681 		923 -12.4% 26.74 US$24,681
2004-03-10 2004-03-10 S Sale CAVE THOMAS W

V.P. & Assistant Secretary

Officer
3,875 -49.3%
28.00
US$108,500 		3,875 -49.3% 28.00 US$108,500
2004-02-17 2004-02-10 S Sale KIIK MATTI

SVP, Research & Development
4,000 -52.9%
29.13
US$116,520 		4,000 -52.9% 29.13 US$116,520
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