Insider Trading activities of Sigmatel Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Sigmatel Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Sigmatel Inc since year 2005. Table 2 shows the detailed insider transactions of Sigmatel Inc since 2005. The reporting company's ticker symbol is SGTL. The reporting company's CIK number is 1043639.
The total value of stock buying since 2005 is $49,800.
The total value of stock sales since 2005 is $92,666.
The total value of stock option exercises since 2005 is $104,830.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Sigmatel Inc (SGTL).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2008-04 0 $0 0 $0 3,750 $0
2008-03 0 $0 0 $0 3,959 $0
2007-12 0 $0 0 $0 679 $0
2007-07 0 $0 0 $0 525 $0
2007-04 0 $0 0 $0 749 $0
2007-03 0 $0 0 $0 6,456 $0
2006-10 10,000 $49,800 1,736 $10,242 1,736 $1,302
2006-05 0 $0 5,208 $28,539 5,208 $3,906
2006-04 0 $0 2,430 $20,897 2,430 $3,904
2006-02 0 $0 0 $0 75,292 $95,718
2005-05 0 $0 1,200 $32,988 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Sigmatel Inc insiders (SGTL)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-04-01 Schaefer Robert Scott (VP and Chief Financial Officer) Option Ex 999 .00 0
2008-04-01 Bumgardner Barry (VP and General Counsel) Option Ex 1,251 .00 0
2008-03-28 Groff Melissa C (VP of Human Resources) Option Ex 625 .00 0
2008-03-28 Pompa Phillip E (President & CEO) Option Ex 1,667 .00 0
2008-03-28 Beatty Stephan L (Sr VP, Prod Lines & Operations) Option Ex 1,667 .00 0
2007-12-11 Schaefer Robert Scott (VP and Chief Financial Officer) Option Ex 679 .00 0
2007-07-01 Bumgardner Barry (VP and General Counsel) Option Ex 525 .00 0
2007-04-01 Schaefer Robert Scott (VP and Chief Financial Officer) Option Ex 333 .00 0
2007-04-01 Bumgardner Barry (VP and General Counsel) Option Ex 416 .00 0
2007-03-28 Lau Jose (Sr VP, Asia) Option Ex 1,666 .00 0
2007-03-28 Groff Melissa C (VP of Human Resources) Option Ex 625 .00 0
2007-03-28 Pompa Phillip E (President & CEO) Option Ex 1,666 .00 0
2007-03-28 Beatty Stephan L (Sr VP, Prod Lines & Operations) Option Ex 1,666 .00 0
2007-03-28 Mulligan Daniel P (Sr VP, Technology & Strategy) Option Ex 833 .00 0
2006-10-27 Edgerton Ronald P (President & CEO) Buy 10,000 4.98 49,800
2006-10-18 Mulligan Daniel P (Sr VP, Operations & Technology) Sale 1,736 5.90 10,242
2006-10-18 Mulligan Daniel P (Sr VP, Operations & Technology) Option Ex 1,736 .75 1,302
2006-05-18 Mulligan Daniel P (Sr VP, Operations & Technology) Sale 3,472 5.48 19,026
2006-05-18 Mulligan Daniel P (Sr VP, Operations & Technology) Option Ex 3,472 .75 2,604
2006-04-20 Mulligan Daniel P (Sr VP, Operations & Technology) Sale 694 8.85 6,141
2006-04-20 Mulligan Daniel P (Sr VP, Operations & Technology) Option Ex 694 3.75 2,602
2006-04-18 Mulligan Daniel P (Sr VP, Operations & Technology) Sale 1,736 8.50 14,756
2006-04-18 Mulligan Daniel P (Sr VP, Operations & Technology) Option Ex 1,736 .75 1,302
2006-02-06 Edgerton Ronald P (President & CEO) Option Ex 40,404 .75 30,303
2006-02-01 Edgerton Ronald P (President & CEO) Option Ex 34,888 1.88 65,415
2005-05-05 Beatty Stephan L (Eng Serv) Sale 1,200 27.49 32,988

Insider trading activities including stock purchases, stock sales, and option exercises of SGTL listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Sigmatel Inc (symbol SGTL, CIK number 1043639) see the Securities and Exchange Commission (SEC) website.