The following table details the trading activities
(stock purchases, stock sales, and stock option exercises)
reported to the Securities and Exchange Commission (SEC)
by insider Helwig David R since year 2005.
The trader's CIK number is 1289476.
At the time of this reporting, Helwig David R is the Director of Quanta Services Inc .
(stock ticker symbol PWR).
See this page for all insider trading activities at Quanta Services Inc .
Note that in the past Helwig David R also reported insider trading activities as an insider of the following companies:
Stock purchases, sales, and option exercises reported by insider Helwig David R since 2005.
Trade Date
Symbol
Company Name (Issuer)
Trade Type
Shares
Price ($)
Value ($)
2008-05-15
PWR
Quanta Services Inc
Sale
143,059
29.76
4,257,078
2008-05-15
PWR
Quanta Services Inc
Option Exercise
143,059
3.77
539,332
2008-05-15
PWR
Quanta Services Inc
Sale
84,008
29.55
2,482,512
2008-05-15
PWR
Quanta Services Inc
Option Exercise
84,008
10.14
852,261
2008-05-07
PWR
Quanta Services Inc
Option Exercise
51,691
13.72
709,200
2008-05-07
PWR
Quanta Services Inc
Sale
51,691
28.50
1,473,193
2008-05-01
PWR
Quanta Services Inc
Sale
18,900
26.39
498,751
2008-05-01
PWR
Quanta Services Inc
Option Exercise
18,900
10.63
200,907
2008-04-02
PWR
Quanta Services Inc
Option Exercise
27,700
10.63
294,451
2008-04-02
PWR
Quanta Services Inc
Sale
27,700
24.75
685,575
2008-04-01
PWR
Quanta Services Inc
Option Exercise
10,100
10.63
107,363
2008-04-01
PWR
Quanta Services Inc
Sale
10,100
24.75
249,975
2008-01-02
PWR
Quanta Services Inc
Option Exercise
18,900
16.81
317,709
2008-01-02
PWR
Quanta Services Inc
Sale
18,900
26.20
495,180
2007-12-03
PWR
Quanta Services Inc
Sale
18,900
27.57
521,131
2007-12-03
PWR
Quanta Services Inc
Option Exercise
18,900
16.81
317,709
2007-11-29
PWR
Quanta Services Inc
Option Exercise
2,975
16.81
50,009
2007-11-29
PWR
Quanta Services Inc
Sale
2,975
27.23
81,020
2007-11-01
PWR
Quanta Services Inc
Sale
15,924
32.22
513,018
2007-10-01
PWR
Quanta Services Inc
Sale
2,088
26.58
55,502
2007-10-01
PWR
Quanta Services Inc
Sale
12,088
26.71
322,885
2007-09-13
PWR
Quanta Services Inc
Sale
14,177
26.60
377,108
2006-09-01
IFS
Infrasource Services Inc
Sale
2,948
16.47
48,565
2006-08-15
IFS
Infrasource Services Inc
Sale
54,806
16.47
902,874
2006-04-12
IFS
Infrasource Services Inc
Sale
10,231
16.62
170,090
2006-03-24
IFS
Infrasource Services Inc
Sale
68,045
16.62
1,131,248
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Helwig David R
(Director of Quanta Services Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.
