Stock chart
Ticker: CHRK 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
2007-12-17 2007-12-12 S Sale

RIBAUDO HOWARD

Vice President of Sales

Officer
800 -2.9%
2.70
USD 2,160
800 -2.9% 2.70 USD 2,160
2007-11-28 2007-11-27 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
12,703 +6.6%
2.74
USD 34,806
12,703 +6.6% 2.74 USD 34,806
2007-11-28 2007-11-26 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
17,859 +10.2%
2.68
USD 47,862
17,859 +10.2% 2.68 USD 47,862
2007-09-18 2007-09-14 PS Planned sale

RIBAUDO HOWARD

Vice President of Sales

Officer
949 -3.3%
3.29
USD 3,122
949 -3.3% 3.29 USD 3,122
2007-08-31 2007-08-29 PS Planned sale

RIBAUDO HOWARD

Vice President of Sales

Officer
1,500 -5.1%
3.60
USD 5,400
1,500 -5.1% 3.60 USD 5,400
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
5,996 -100.0%
4.75
USD 28,481
5,996 -100.0% 4.75 USD 28,481
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
1,200 -16.7%
4.76
USD 5,712
1,200 -16.7% 4.76 USD 5,712
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
800 -10.0%
4.79
USD 3,832
800 -10.0% 4.79 USD 3,832
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
2,308 -22.4%
4.80
USD 11,078
2,308 -22.4% 4.80 USD 11,078
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
1,692 -14.1%
4.81
USD 8,139
1,692 -14.1% 4.81 USD 8,139
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
192 -1.6%
4.82
USD 925
192 -1.6% 4.82 USD 925
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
600 -4.7%
4.83
USD 2,898
600 -4.7% 4.83 USD 2,898
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
300 -2.3%
4.85
USD 1,455
300 -2.3% 4.85 USD 1,455
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
12 -0.1%
4.87
USD 58
12 -0.1% 4.87 USD 58
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
400 -3.0%
4.88
USD 1,952
400 -3.0% 4.88 USD 1,952
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
900 -6.2%
4.89
USD 4,401
900 -6.2% 4.89 USD 4,401
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
200 -1.4%
4.90
USD 980
200 -1.4% 4.90 USD 980
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
100 -0.7%
4.91
USD 491
100 -0.7% 4.91 USD 491
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
100 -0.7%
4.92
USD 492
100 -0.7% 4.92 USD 492
2007-06-18 2007-06-14 S Sale

FOX LINSTER W

Executive VP, CFO & Secretary

Officer
200 -1.3%
4.93
USD 986
200 -1.3% 4.93 USD 986
2007-06-13 2007-06-13 PS Planned sale

PATEL ALEX

Vice President of Engineering

Officer
2,100 -100.0%
4.86
USD 10,206
2,100 -100.0% 4.86 USD 10,206
2006-12-18 2006-12-14 S Sale

RIBAUDO HOWARD

Vice President of Sales

Officer
1,500 -4.9%
3.67
USD 5,505
1,500 -4.9% 3.67 USD 5,505
2006-12-07 2006-12-06 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
200 +0.1%
3.15
USD 630
200 +0.1% 3.15 USD 630
2006-12-07 2006-12-06 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
200 +0.1%
3.14
USD 628
200 +0.1% 3.14 USD 628
2006-12-07 2006-12-05 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
35,807 +25.9%
3.15
USD 112,792
35,807 +25.9% 3.15 USD 112,792
2006-12-07 2006-12-04 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
293 +0.2%
3.15
USD 923
293 +0.2% 3.15 USD 923
2006-12-07 2006-12-01 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
3,900 +2.9%
3.15
USD 12,285
3,900 +2.9% 3.15 USD 12,285
2006-12-07 2006-11-29 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
39,739 +42.2%
3.20
USD 127,165
39,739 +42.2% 3.20 USD 127,165
2006-12-07 2006-11-28 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
1,829 +2.0%
3.20
USD 5,853
1,829 +2.0% 3.20 USD 5,853
2006-12-07 2006-11-27 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
400 +0.4%
3.20
USD 1,280
400 +0.4% 3.20 USD 1,280
2006-12-07 2006-11-22 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
600 +0.7%
3.20
USD 1,920
600 +0.7% 3.20 USD 1,920
2006-12-07 2006-11-21 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
36,132 +65.5%
3.20
USD 115,622
36,132 +65.5% 3.20 USD 115,622
2006-12-07 2006-11-17 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
1,000 +1.8%
3.20
USD 3,200
1,000 +1.8% 3.20 USD 3,200
2006-12-07 2006-11-17 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
100 +0.2%
3.19
USD 319
100 +0.2% 3.19 USD 319
2006-12-07 2006-11-17 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
100 +0.2%
3.18
USD 318
100 +0.2% 3.18 USD 318
2006-12-07 2006-11-17 B Purchase

Meyer Ray

Chairman of the Board

Non-Executive Director
100 +0.2%
3.17
USD 317
100 +0.2% 3.17 USD 317
2006-09-15 2006-09-13 PS Planned sale

RIBAUDO HOWARD

Vice President of Sales

Officer
500 -1.6%
3.89
USD 1,945
500 -1.6% 3.89 USD 1,945
2006-09-15 2006-09-13 S Sale

RIBAUDO HOWARD

Vice President of Sales

Officer
1,500 -4.6%
3.72
USD 5,580
1,500 -4.6% 3.72 USD 5,580
2006-06-15 2006-06-14 S Sale

RIBAUDO HOWARD

Vice President of Sales

Officer
2,400 -6.8%
4.00
USD 9,600
2,400 -6.8% 4.00 USD 9,600
2006-06-15 2006-06-14 S Sale

RIBAUDO HOWARD

Vice President of Sales

Officer
100 -0.3%
4.02
USD 402
100 -0.3% 4.02 USD 402
2006-06-08 2006-06-06 PS Planned sale

RIBAUDO HOWARD

Vice President of Sales

Officer
500 -1.4%
4.15
USD 2,075
500 -1.4% 4.15 USD 2,075
2006-06-08 2006-06-06 PS Planned sale

RIBAUDO HOWARD

Vice President of Sales

Officer
1,000 -2.7%
4.12
USD 4,120
1,000 -2.7% 4.12 USD 4,120
2006-06-01 2006-05-30 PS Planned sale

RIBAUDO HOWARD

Vice President of Sales

Officer
500 -1.3%
5.33
USD 2,665
500 -1.3% 5.33 USD 2,665
2006-05-26 2006-05-25 PS Planned sale

PATEL ALEX

Vice President of Engineering

Officer
4,200 -100.0%
5.25
USD 22,050
4,200 -100.0% 5.25 USD 22,050
2006-05-09 2006-05-08 S Sale

STEEL PARTNERS II LP

Large shareholder
170,900 -8.2%
6.34
USD 1,084,019
170,900 -8.2% 6.34 USD 1,084,019
2006-05-09 2006-05-05 S Sale

STEEL PARTNERS II LP

Large shareholder
56,900 -2.7%
6.33
USD 360,422
56,900 -2.7% 6.33 USD 360,422
2006-05-05 2006-05-04 S Sale

STEEL PARTNERS II LP

Large shareholder
100 -0.0%
6.40
USD 640
100 -0.0% 6.40 USD 640
2006-05-05 2006-05-03 S Sale

STEEL PARTNERS II LP

Large shareholder
5,800 -0.3%
6.40
USD 37,118
5,800 -0.3% 6.40 USD 37,118
2006-05-03 2006-05-02 S Sale

STEEL PARTNERS II LP

Large shareholder
5,800 -0.3%
6.42
USD 37,225
5,800 -0.3% 6.42 USD 37,225
2006-05-03 2006-05-01 S Sale

STEEL PARTNERS II LP

Large shareholder
14,400 -0.7%
6.47
USD 93,207
14,400 -0.7% 6.47 USD 93,207
2006-05-01 2006-04-28 S Sale

STEEL PARTNERS II LP

Large shareholder
10,300 -0.5%
6.50
USD 66,952
10,300 -0.5% 6.50 USD 66,952
2006-05-01 2006-04-27 S Sale

STEEL PARTNERS II LP

Large shareholder
5,094 -0.2%
6.64
USD 33,828
5,094 -0.2% 6.64 USD 33,828
2006-12-07 2005-12-12 S Sale

Meyer Ray

Chairman of the Board

Non-Executive Director
10,000 -15.7%
3.25
USD 32,500
10,000 -15.7% 3.25 USD 32,500
2006-12-07 2005-12-12 S Sale

Meyer Ray

Chairman of the Board

Non-Executive Director
1,000 -1.5%
3.20
USD 3,200
1,000 -1.5% 3.20 USD 3,200
2005-12-09 2005-12-07 B Purchase

FRANK JEFFREY

President and CEO

Executive Director
7,000 +75.3%
3.00
USD 21,000
7,000 +75.3% 3.00 USD 21,000
2006-12-07 2005-12-06 S Sale

Meyer Ray

Chairman of the Board

Non-Executive Director
9,000 -12.2%
3.20
USD 28,800
9,000 -12.2% 3.20 USD 28,800
2006-12-07 2005-12-02 S Sale

Meyer Ray

Chairman of the Board

Non-Executive Director
5,400 -6.8%
3.40
USD 18,360
5,400 -6.8% 3.40 USD 18,360
2006-12-07 2005-12-02 S Sale

Meyer Ray

Chairman of the Board

Non-Executive Director
100 -0.1%
3.26
USD 326
100 -0.1% 3.26 USD 326
2006-12-07 2005-12-02 S Sale

Meyer Ray

Chairman of the Board

Non-Executive Director
200 -0.3%
3.25
USD 650
200 -0.3% 3.25 USD 650
2006-12-07 2005-12-02 S Sale

Meyer Ray

Chairman of the Board

Non-Executive Director
4,300 -5.1%
3.15
USD 13,545
4,300 -5.1% 3.15 USD 13,545
2005-09-01 2005-08-31 S Sale

PATEL BUD

Executive Vice President

Officer
85 -100.0%
4.02
USD 342
85 -100.0% 4.02 USD 342
2005-09-01 2005-08-31 S Sale

PATEL BUD

Executive Vice President

Officer
300 -77.9%
4.04
USD 1,212
300 -77.9% 4.04 USD 1,212
2005-09-01 2005-08-31 S Sale

PATEL BUD

Executive Vice President

Officer
1,600 -80.6%
4.05
USD 6,480
1,600 -80.6% 4.05 USD 6,480
2005-08-30 2005-08-30 S Sale

PATEL BUD

Executive Vice President

Officer
3,000 -60.2%
4.12
USD 12,360
3,000 -60.2% 4.12 USD 12,360
2005-08-30 2005-08-30 S Sale

PATEL BUD

Executive Vice President

Officer
1,600 -24.3%
4.10
USD 6,560
1,600 -24.3% 4.10 USD 6,560
2005-08-30 2005-08-30 S Sale

PATEL BUD

Executive Vice President

Officer
400 -5.7%
4.17
USD 1,668
400 -5.7% 4.17 USD 1,668
2005-08-26 2005-08-25 S Sale

PATEL BUD

Executive Vice President

Officer
2,000 -22.3%
3.92
USD 7,840
2,000 -22.3% 3.92 USD 7,840
2005-08-26 2005-08-25 S Sale

PATEL BUD

Executive Vice President

Officer
2,600 -22.4%
3.91
USD 10,166
2,600 -22.4% 3.91 USD 10,166
2005-08-26 2005-08-24 S Sale

PATEL BUD

Executive Vice President

Officer
400 -3.3%
4.31
USD 1,724
400 -3.3% 4.31 USD 1,724
2005-08-26 2005-08-24 S Sale

PATEL BUD

Executive Vice President

Officer
2,000 -14.3%
4.26
USD 8,520
2,000 -14.3% 4.26 USD 8,520
2005-08-26 2005-08-24 S Sale

PATEL BUD

Executive Vice President

Officer
2,000 -12.5%
4.20
USD 8,400
2,000 -12.5% 4.20 USD 8,400
2005-08-23 2005-08-22 S Sale

PATEL BUD

Executive Vice President

Officer
2,000 -11.1%
4.51
USD 9,020
2,000 -11.1% 4.51 USD 9,020
2005-08-19 2005-08-19 S Sale

PATEL BUD

Executive Vice President

Officer
1,000 -5.3%
4.51
USD 4,510
1,000 -5.3% 4.51 USD 4,510
2005-08-19 2005-08-19 S Sale

PATEL BUD

Executive Vice President

Officer
300 -1.6%
4.47
USD 1,341
300 -1.6% 4.47 USD 1,341
2005-08-19 2005-08-18 S Sale

PATEL BUD

Executive Vice President

Officer
1,700 -8.1%
4.47
USD 7,599
1,700 -8.1% 4.47 USD 7,599
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