Stock chart
Ticker: VSTA Exchange: NMS


Loading...
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
2008-03-06 2008-03-04 B Purchase

OHC Investment, Inc.

Large shareholder
1,732,534 +12.2%
8.60
USD 14,899,792
1,732,534 +12.2% 8.60 USD 14,899,792
2008-03-04 2008-02-29 B Purchase

OHC Investment, Inc.

Large shareholder
3,130 +0.0%
8.60
USD 26,918
3,130 +0.0% 8.60 USD 26,918
2008-01-18 2008-01-16 S Sale

TIMON PHILIP C

Former 10% Owner

79,664 -10.8%
8.31
USD 662,326
79,664 -10.8% 8.31 USD 662,326
2008-01-18 2008-01-16 S Sale

TIMON PHILIP C

Former 10% Owner

1,385,000 -65.3%
8.33
USD 11,534,142
1,385,000 -65.3% 8.33 USD 11,534,142
2008-01-18 2008-01-16 S Sale

TIMON PHILIP C

Former 10% Owner

60,000 -2.8%
8.31
USD 498,300
60,000 -2.8% 8.31 USD 498,300
2007-08-24 2007-08-22 S Sale

TIMON PHILIP C

Large shareholder
25,000 -1.1%
7.53
USD 188,193
25,000 -1.1% 7.53 USD 188,193
2007-08-02 2007-07-31 S Sale

TIMON PHILIP C

Large shareholder
9,600 -0.4%
9.21
USD 88,453
9,600 -0.4% 9.21 USD 88,453
2007-07-31 2007-07-30 S Sale

TIMON PHILIP C

Large shareholder
7,002 -0.3%
9.47
USD 66,279
7,002 -0.3% 9.47 USD 66,279
2007-07-31 2007-07-27 S Sale

TIMON PHILIP C

Large shareholder
2,400 -0.1%
9.55
USD 22,921
2,400 -0.1% 9.55 USD 22,921
2007-07-30 2007-07-26 S Sale

TIMON PHILIP C

Large shareholder
1,900 -0.1%
9.56
USD 18,164
1,900 -0.1% 9.56 USD 18,164
2007-07-30 2007-07-26 S Sale

TIMON PHILIP C

Large shareholder
2,700 -0.1%
9.58
USD 25,871
2,700 -0.1% 9.58 USD 25,871
2007-07-30 2007-07-26 S Sale

TIMON PHILIP C

Large shareholder
7,236 -0.3%
9.57
USD 69,248
7,236 -0.3% 9.57 USD 69,248
2007-07-30 2007-07-25 S Sale

TIMON PHILIP C

Large shareholder
16,900 -0.8%
9.53
USD 161,033
16,900 -0.8% 9.53 USD 161,033
2007-07-30 2007-07-25 S Sale

TIMON PHILIP C

Large shareholder
6,396 -0.3%
9.56
USD 61,169
6,396 -0.3% 9.56 USD 61,169
2007-07-25 2007-07-24 S Sale

TIMON PHILIP C

Large shareholder
3,000 -0.1%
9.51
USD 28,531
3,000 -0.1% 9.51 USD 28,531
2007-07-25 2007-07-24 S Sale

TIMON PHILIP C

Large shareholder
11,200 -0.5%
9.56
USD 107,111
11,200 -0.5% 9.56 USD 107,111
2007-07-25 2007-07-24 S Sale

TIMON PHILIP C

Large shareholder
610 -0.0%
9.56
USD 5,831
610 -0.0% 9.56 USD 5,831
2007-07-25 2007-07-23 S Sale

TIMON PHILIP C

Large shareholder
18,300 -0.8%
9.51
USD 173,958
18,300 -0.8% 9.51 USD 173,958
2007-07-25 2007-07-23 S Sale

TIMON PHILIP C

Large shareholder
16,700 -0.7%
9.53
USD 159,133
16,700 -0.7% 9.53 USD 159,133
2007-07-24 2007-07-20 S Sale

TIMON PHILIP C

Large shareholder
2,600 -0.1%
9.79
USD 25,459
2,600 -0.1% 9.79 USD 25,459
2007-07-24 2007-07-19 S Sale

TIMON PHILIP C

Large shareholder
8,000 -0.3%
9.70
USD 77,582
8,000 -0.3% 9.70 USD 77,582
2007-07-18 2007-07-18 S Sale

TIMON PHILIP C

Large shareholder
50,136 -2.1%
9.76
USD 489,242
50,136 -2.1% 9.76 USD 489,242
2007-07-18 2007-07-17 S Sale

TIMON PHILIP C

Large shareholder
30,200 -1.3%
9.73
USD 293,891
30,200 -1.3% 9.73 USD 293,891
2007-07-18 2007-07-17 S Sale

TIMON PHILIP C

Large shareholder
36,200 -1.5%
9.79
USD 354,412
36,200 -1.5% 9.79 USD 354,412
2007-07-18 2007-07-16 S Sale

TIMON PHILIP C

Large shareholder
57,059 -2.3%
9.71
USD 554,157
57,059 -2.3% 9.71 USD 554,157
2007-05-14 2007-05-11 S Sale

TIMON PHILIP C

Large shareholder
200,000 -7.4%
9.00
USD 1,800,000
200,000 -7.4% 9.00 USD 1,800,000
2007-05-14 2007-05-11 S Sale

TIMON PHILIP C

Large shareholder
50,000 -1.8%
8.95
USD 447,715
50,000 -1.8% 8.95 USD 447,715
2007-05-14 2007-05-11 S Sale

TIMON PHILIP C

Large shareholder
55,000 -2.0%
9.00
USD 495,270
55,000 -2.0% 9.00 USD 495,270
2007-05-14 2007-05-10 S Sale

TIMON PHILIP C

Large shareholder
225,000 -7.4%
9.67
USD 2,175,660
225,000 -7.4% 9.67 USD 2,175,660
2007-05-14 2007-05-10 S Sale

TIMON PHILIP C

Large shareholder
64,100 -2.1%
9.50
USD 609,149
64,100 -2.1% 9.50 USD 609,149
2007-05-14 2007-05-10 S Sale

TIMON PHILIP C

Large shareholder
93,400 -2.9%
9.62
USD 898,480
93,400 -2.9% 9.62 USD 898,480
2006-12-29 2006-12-29 B Purchase

DONNELL JON M

Non-Executive Director
1,000 +100.0%
10.33
USD 10,330
1,000 +100.0% 10.33 USD 10,330
2006-08-16 2006-08-14 B Purchase

Elliot David W Jr

President & COO

Executive Director
500 +33.3%
11.99
USD 5,995
500 +33.3% 11.99 USD 5,995
2006-05-25 2006-05-25 B Purchase

COTE TODD R

Chief Medical Officer

Officer
150 +inf%
13.29
USD 1,994
150 +inf% 13.29 USD 1,994
2006-03-02 2006-03-02 B Purchase

HENRY JACK A

Non-Executive Director
1,500 +inf%
13.84
USD 20,760
1,500 +inf% 13.84 USD 20,760
2006-02-23 2006-02-21 B Purchase

Elliot David W Jr

President & COO

Executive Director
500 +50.0%
13.41
USD 6,705
500 +50.0% 13.41 USD 6,705
2005-08-12 2005-08-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
3,227 +17.7%
17.30
USD 55,827
3,227 +17.7% 17.30 USD 55,827
2005-08-12 2005-08-11 S Sale

MATRICARIA RONALD A

Non-Executive Director
100 -0.5%
17.38
USD 1,738
100 -0.5% 17.38 USD 1,738
2005-08-12 2005-08-11 S Sale

MATRICARIA RONALD A

Non-Executive Director
500 -2.7%
17.39
USD 8,695
500 -2.7% 17.39 USD 8,695
2005-08-12 2005-08-11 S Sale

MATRICARIA RONALD A

Non-Executive Director
6,173 -24.7%
17.40
USD 107,410
6,173 -24.7% 17.40 USD 107,410
2005-06-07 2005-06-07 PS Planned sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
6,155 -34.5%
18.00
USD 110,790
6,155 -34.5% 18.00 USD 110,790
2005-06-07 2005-06-06 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
6,544 -26.8%
18.00
USD 117,792
6,544 -26.8% 18.00 USD 117,792
2005-06-07 2005-06-06 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
7,300 -23.0%
18.00
USD 131,400
7,300 -23.0% 18.00 USD 131,400
2005-06-07 2005-06-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
1 -0.0%
18.00
USD 18
1 -0.0% 18.00 USD 18
2005-05-18 2005-05-17 B Purchase

Elliot David W Jr

President & COO

Executive Director
500 +inf%
15.56
USD 7,782
500 +inf% 15.56 USD 7,782
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
700 +2.9%
15.72
USD 11,004
700 +2.9% 15.72 USD 11,004
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
900 +3.8%
15.71
USD 14,139
900 +3.8% 15.71 USD 14,139
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
200 +0.9%
15.70
USD 3,140
200 +0.9% 15.70 USD 3,140
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
1,174 +5.3%
15.69
USD 18,420
1,174 +5.3% 15.69 USD 18,420
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
1,172 +5.6%
15.68
USD 18,377
1,172 +5.6% 15.68 USD 18,377
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
2,268 +12.2%
15.67
USD 35,540
2,268 +12.2% 15.67 USD 35,540
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
2,663 +16.7%
15.66
USD 41,703
2,663 +16.7% 15.66 USD 41,703
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
1,806 +12.8%
15.65
USD 28,264
1,806 +12.8% 15.65 USD 28,264
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
2,414 +20.6%
15.64
USD 37,755
2,414 +20.6% 15.64 USD 37,755
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
1,725 +17.3%
15.63
USD 26,962
1,725 +17.3% 15.63 USD 26,962
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
2,300 +30.0%
15.62
USD 35,926
2,300 +30.0% 15.62 USD 35,926
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
126 +1.7%
15.61
USD 1,967
126 +1.7% 15.61 USD 1,967
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
250 +3.4%
15.60
USD 3,900
250 +3.4% 15.60 USD 3,900
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
300 +4.3%
15.59
USD 4,677
300 +4.3% 15.59 USD 4,677
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
2,000 +40.0%
15.58
USD 31,160
2,000 +40.0% 15.58 USD 31,160
2005-05-13 2005-05-12 B Purchase

MATRICARIA RONALD A

Non-Executive Director
5,002 +inf%
15.57
USD 77,881
5,002 +inf% 15.57 USD 77,881
2005-05-13 2005-05-12 B Purchase

SLAGER RICHARD R

Chairman & CEO

Executive Director
800 +1.4%
15.96
USD 12,771
800 +1.4% 15.96 USD 12,771
2005-05-13 2005-05-12 B Purchase

SLAGER RICHARD R

Chairman & CEO

Executive Director
100 +0.2%
15.96
USD 1,596
100 +0.2% 15.96 USD 1,596
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
200 -0.6%
18.14
USD 3,628
200 -0.6% 18.14 USD 3,628
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
300 -0.9%
18.11
USD 5,433
300 -0.9% 18.11 USD 5,433
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
700 -2.1%
18.10
USD 12,670
700 -2.1% 18.10 USD 12,670
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
100 -0.3%
18.06
USD 1,806
100 -0.3% 18.06 USD 1,806
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
800 -2.4%
18.05
USD 14,440
800 -2.4% 18.05 USD 14,440
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
572 -1.7%
18.03
USD 10,313
572 -1.7% 18.03 USD 10,313
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
400 -1.2%
18.02
USD 7,208
400 -1.2% 18.02 USD 7,208
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
200 -0.6%
18.01
USD 3,602
200 -0.6% 18.01 USD 3,602
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
400 -1.1%
18.00
USD 7,200
400 -1.1% 18.00 USD 7,200
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
200 -0.6%
17.99
USD 3,598
200 -0.6% 17.99 USD 3,598
2005-03-07 2005-03-03 S Sale

BERRY ROSEANNE

Chief Compliance Officer

Officer
128 -0.4%
17.98
USD 2,301
128 -0.4% 17.98 USD 2,301
2005-02-22 2005-02-18 B Purchase

Elliot David W Jr

President & COO

Executive Director
500 +83.3%
16.97
USD 8,485
500 +83.3% 16.97 USD 8,485
// ... existing code ... // ... rest of the file ...