Stock chart
Ticker: CLRK Exchange: NMS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned 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
2007-05-17 2007-05-16 S Sale

Lys Ihor

Chief Scientist

Officer
54,500 -7.4%
25.40
USD 1,384,300
54,500 -7.4% 25.40 USD 1,384,300
2007-05-17 2007-05-15 S Sale

Lys Ihor

Chief Scientist

Officer
33,000 -4.3%
24.27
USD 800,910
33,000 -4.3% 24.27 USD 800,910
2006-12-15 2006-12-13 S Sale

Afeyan Noubar Boghos

Non-Executive Director
70,075 -45.9%
17.96
USD 1,258,197
70,075 -45.9% 17.96 USD 1,258,197
2006-12-15 2006-12-13 S Sale

Lys Ihor

Chief Scientist

Officer
115,000 -13.0%
17.96
USD 2,064,825
115,000 -13.0% 17.96 USD 2,064,825
2006-11-17 2006-11-15 S Sale

Afeyan Noubar Boghos

Non-Executive Director
192,000 -69.9%
17.96
USD 3,447,360
192,000 -69.9% 17.96 USD 3,447,360
2006-11-17 2006-11-15 S Sale

Lys Ihor

Chief Scientist

Officer
225,000 -20.2%
17.96
USD 4,039,875
225,000 -20.2% 17.96 USD 4,039,875
2006-11-17 2006-11-15 S Sale

Sims William

President and CEO

Executive Director
65,000 -100.0%
17.96
USD 1,167,075
65,000 -100.0% 17.96 USD 1,167,075
2006-11-17 2006-11-15 S Sale

Morgan Fritz

Chief Technology Officer

Officer
15,000 -100.0%
17.96
USD 269,325
15,000 -100.0% 17.96 USD 269,325
2006-11-17 2006-11-15 S Sale

Johnson David K

Senior Vice President & CFO

Officer
40,000 -100.0%
17.96
USD 718,200
40,000 -100.0% 17.96 USD 718,200
2006-11-17 2006-11-15 S Sale

ARMEN GARO H

Non-Executive Director
190,000 -99.7%
17.96
USD 3,411,450
190,000 -99.7% 17.96 USD 3,411,450
2006-11-17 2006-11-15 S Sale

Mueller George

Non-Executive Director
275,000 -22.1%
17.96
USD 4,937,625
275,000 -22.1% 17.96 USD 4,937,625
2006-06-16 2006-06-16 B Purchase

ABELE JOHN E

Non-Executive Director
9,511 +19.9%
15.54
USD 147,823
9,511 +19.9% 15.54 USD 147,823
2006-06-16 2006-06-15 B Purchase

ABELE JOHN E

Non-Executive Director
8,000 +20.1%
16.26
USD 130,092
8,000 +20.1% 16.26 USD 130,092
2006-06-14 2006-06-14 B Purchase

ABELE JOHN E

Non-Executive Director
14,460 +57.1%
15.37
USD 222,273
14,460 +57.1% 15.37 USD 222,273
2006-06-14 2006-06-13 B Purchase

ABELE JOHN E

Non-Executive Director
10,900 +75.5%
14.41
USD 157,021
10,900 +75.5% 14.41 USD 157,021
2005-11-14 2005-11-14 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
14.90
USD 74,522
5,000 -0.4% 14.90 USD 74,522
2005-11-07 2005-11-07 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
14.83
USD 74,131
5,000 -0.4% 14.83 USD 74,131
2005-11-02 2005-11-02 PS Planned sale

Sims William

President and CEO

Executive Director
12,500 -100.0%
14.69
USD 183,600
12,500 -100.0% 14.69 USD 183,600
2005-11-02 2005-11-02 PS Planned sale

Johnson David K

CFO, VP, Finance and Treasurer

Officer
5,400 -20.2%
14.05
USD 75,888
5,400 -20.2% 14.05 USD 75,888
2005-11-01 2005-11-01 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
14.33
USD 71,629
5,000 -0.4% 14.33 USD 71,629
2005-11-01 2005-11-01 PS Planned sale

Lys Ihor

Chief Technology Officer

Officer
15,000 -1.4%
14.16
USD 212,400
15,000 -1.4% 14.16 USD 212,400
2005-11-01 2005-11-01 PS Planned sale

Johnson David K

CFO, VP, Finance and Treasurer

Officer
9,600 -26.4%
14.25
USD 136,828
9,600 -26.4% 14.25 USD 136,828
2005-09-13 2005-09-12 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
15.12
USD 75,601
5,000 -0.4% 15.12 USD 75,601
2005-09-06 2005-09-06 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
15.63
USD 78,151
5,000 -0.4% 15.63 USD 78,151
2005-09-06 2005-09-02 PS Planned sale

Lys Ihor

Chief Technology Officer

Officer
22,800 -2.1%
16.47
USD 375,612
22,800 -2.1% 16.47 USD 375,612
2005-09-01 2005-09-01 PS Planned sale

Lys Ihor

Chief Technology Officer

Officer
18,615 -1.7%
16.02
USD 298,272
18,615 -1.7% 16.02 USD 298,272
2005-08-29 2005-08-29 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
14.46
USD 72,304
5,000 -0.4% 14.46 USD 72,304
2005-08-30 2005-08-26 S Sale

CREE INC

Large shareholder
63,782 -3.4%
14.99
USD 956,169
63,782 -3.4% 14.99 USD 956,169
2005-08-23 2005-08-23 PS Planned sale

Johnson David K

CFO, VP, Finance and Treasurer

Officer
10,000 -21.6%
14.88
USD 148,826
10,000 -21.6% 14.88 USD 148,826
2005-08-23 2005-08-23 PS Planned sale

Sims William

President and CEO

Executive Director
52,097 -100.0%
14.80
USD 771,103
52,097 -100.0% 14.80 USD 771,103
2005-08-23 2005-08-23 PS Planned sale

Lys Ihor

Chief Technology Officer

Officer
33,585 -2.9%
14.81
USD 497,226
33,585 -2.9% 14.81 USD 497,226
2005-08-23 2005-08-22 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
12.00
USD 60,008
5,000 -0.4% 12.00 USD 60,008
2005-08-15 2005-08-15 PS Planned sale

Johnson David K

CFO, VP, Finance and Treasurer

Officer
5,000 -9.7%
11.52
USD 57,615
5,000 -9.7% 11.52 USD 57,615
2005-08-15 2005-08-15 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
11.66
USD 58,290
5,000 -0.4% 11.66 USD 58,290
2005-08-08 2005-08-08 PS Planned sale

Mueller George

Non-Executive Director
2,814 -0.2%
12.21
USD 34,361
2,814 -0.2% 12.21 USD 34,361
2005-08-08 2005-08-08 PS Planned sale

Mueller George

Non-Executive Director
2,186 -0.2%
12.21
USD 26,693
2,186 -0.2% 12.21 USD 26,693
2005-08-02 2005-08-02 PS Planned sale

Mueller George

Non-Executive Director
5,000 -0.4%
11.29
USD 56,445
5,000 -0.4% 11.29 USD 56,445
2005-08-02 2005-08-01 PS Planned sale

Lys Ihor

Chief Technology Officer

Officer
40,000 -3.4%
10.90
USD 436,132
40,000 -3.4% 10.90 USD 436,132
2005-06-13 2005-06-13 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
10.77
USD 53,868
5,000 -0.4% 10.77 USD 53,868
2005-06-07 2005-06-06 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
10.98
USD 54,900
5,000 -0.4% 10.98 USD 54,900
2005-06-01 2005-05-31 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
11.13
USD 55,632
5,000 -0.4% 11.13 USD 55,632
2005-05-23 2005-05-23 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
12.89
USD 64,425
5,000 -0.4% 12.89 USD 64,425
2005-05-24 2005-05-20 PS Planned sale

Sims William

President and COO

Executive Director
403 -100.0%
13.50
USD 5,441
403 -100.0% 13.50 USD 5,441
2005-05-20 2005-05-20 PS Planned sale

Lys Ihor

Chief Technology Officer

Officer
20,800 -1.7%
13.01
USD 270,504
20,800 -1.7% 13.01 USD 270,504
2005-05-20 2005-05-19 PS Planned sale

Lys Ihor

Chief Technology Officer

Officer
4,200 -0.3%
13.10
USD 55,020
4,200 -0.3% 13.10 USD 55,020
2005-05-16 2005-05-16 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
12.02
USD 60,098
5,000 -0.4% 12.02 USD 60,098
2005-05-16 2005-05-16 PS Planned sale

Johnson David K

CFO, VP, Finance and Treasurer

Officer
5,000 -8.9%
11.77
USD 58,850
5,000 -8.9% 11.77 USD 58,850
2005-05-16 2005-05-11 B Purchase

ABELE JOHN E

Non-Executive Director
344 +2.7%
12.03
USD 4,137
344 +2.7% 12.03 USD 4,137
2005-05-10 2005-05-10 B Purchase

ABELE JOHN E

Non-Executive Director
2,716 +27.2%
11.30
USD 30,691
2,716 +27.2% 11.30 USD 30,691
2005-05-09 2005-05-09 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
10.35
USD 51,741
5,000 -0.4% 10.35 USD 51,741
2005-05-06 2005-05-06 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
3,586 -0.3%
10.00
USD 35,860
3,586 -0.3% 10.00 USD 35,860
2005-05-05 2005-05-04 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
700 -0.1%
10.00
USD 7,000
700 -0.1% 10.00 USD 7,000
2005-05-03 2005-05-03 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
714 -0.1%
10.00
USD 7,140
714 -0.1% 10.00 USD 7,140
2005-03-14 2005-03-14 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
10.80
USD 53,995
5,000 -0.4% 10.80 USD 53,995
2005-03-07 2005-03-07 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
11.52
USD 57,607
5,000 -0.4% 11.52 USD 57,607
2005-02-28 2005-02-28 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
12.11
USD 60,550
5,000 -0.4% 12.11 USD 60,550
2005-02-23 2005-02-23 PS Planned sale

Pattison Kathryn

Vice President, Marketing

Officer
5,000 -11.1%
11.97
USD 59,831
5,000 -11.1% 11.97 USD 59,831
2005-02-23 2005-02-23 PS Planned sale

Morgan Fritz

Vice President, Engineering

Officer
5,000 -66.5%
11.97
USD 59,831
5,000 -66.5% 11.97 USD 59,831
2005-02-23 2005-02-23 PS Planned sale

Johnson David K

CFO, VP, Finance and Treasurer

Officer
5,000 -8.1%
11.97
USD 59,831
5,000 -8.1% 11.97 USD 59,831
2005-02-22 2005-02-22 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
5,000 -0.4%
12.39
USD 61,973
5,000 -0.4% 12.39 USD 61,973
2005-02-15 2005-02-14 PS Planned sale

Mueller George

Chief Executive Officer

Executive Director
10,000 -0.8%
12.70
USD 127,018
10,000 -0.8% 12.70 USD 127,018
2005-02-15 2005-02-11 S Sale

CREE INC

Large shareholder
20,000 -1.1%
13.51
USD 270,180
20,000 -1.1% 13.51 USD 270,180
2005-02-09 2005-02-08 S Sale

Lys Ihor

Chief Technology Officer

Officer
25,000 -2.0%
13.02
USD 325,595
25,000 -2.0% 13.02 USD 325,595
2005-02-08 2005-02-08 S Sale

CREE INC

Large shareholder
10,000 -0.5%
13.10
USD 130,992
10,000 -0.5% 13.10 USD 130,992
2005-02-08 2005-02-07 S Sale

CREE INC

Large shareholder
163,000 -7.9%
14.13
USD 2,303,663
163,000 -7.9% 14.13 USD 2,303,663
2005-02-08 2005-02-04 S Sale

CREE INC

Large shareholder
150,000 -6.8%
14.04
USD 2,106,690
150,000 -6.8% 14.04 USD 2,106,690
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