Insider Trading activities of Silicon Laboratories Inc insiders. , Part 4

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Silicon Laboratories Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Silicon Laboratories Inc since year 2005. (See page 1 of this report.) Table 2 shows the detailed insider transactions of Silicon Laboratories Inc since 2005. The reporting company's ticker symbol is SLAB. The reporting company's CIK number is 1038074.
The total value of stock buying since 2005 is $408,214.
The total value of stock sales since 2005 is $269,018,173.
The total value of stock option exercises since 2005 is $66,799,381.



Table 2. Detailed insider stock purchases, sales, and option exercises of Silicon Laboratories Inc insiders (SLAB) , Part 4
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2009-12-08 Ivester Jonathan D (VP of Worldwide Operations) Sale 7,000 44.93 314,510
2009-12-08 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 4,072 22.63 92,149
2009-12-01 Walsh Paul V Jr (VP Principal Accounting Office) Sale 750 42.58 31,935
2009-11-17 Sayiner Necip (President & CEO) Sale 2,250 43.91 98,788
2009-11-16 Wood William P (Director) Sale 5,000 43.26 216,300
2009-11-16 Wood William P (Director) Option Ex 5,000 31.00 155,000
2009-11-12 Bock William G (CFO) Sale 10,225 43.52 445,002
2009-11-10 Ivester Jonathan D (VP of Worldwide Operations) Sale 4,500 43.27 194,715
2009-11-09 Bock William G (CFO) Sale 18,000 43.00 774,000
2009-11-09 Bock William G (CFO) Option Ex 18,000 32.98 593,640
2009-11-02 Walsh Paul V Jr (VP Principal Accounting Office) Sale 750 41.77 31,327
2009-10-20 Sayiner Necip (President & CEO) Sale 2,250 44.78 100,748
2009-10-15 Wood William P (Director) Sale 5,000 47.34 236,680
2009-10-15 Wood William P (Director) Option Ex 5,000 31.00 155,000
2009-10-13 Ivester Jonathan D (VP of Worldwide Operations) Sale 8,500 46.71 397,035
2009-10-01 Walsh Paul V Jr (VP Principal Accounting Office) Sale 750 46.10 34,575
2009-09-15 Sayiner Necip (President & CEO) Sale 2,250 48.13 108,297
2009-09-15 Wood William P (Director) Sale 5,000 48.11 240,550
2009-09-15 Wood William P (Director) Option Ex 5,000 31.00 155,000
2009-09-08 Sayiner Necip (President & CEO) Sale 30,000 47.54 1,426,200
2009-09-08 Sayiner Necip (President & CEO) Option Ex 30,000 32.27 968,100
2009-09-08 Ivester Jonathan D (VP of Worldwide Operations) Sale 8,500 47.04 399,840
2009-09-01 Hoff Kurt W (VP of Worldwide Sales) Sale 2,000 44.67 89,340
2009-09-01 Walsh Paul V Jr (VP Principal Accounting Office) Sale 750 44.67 33,502
2009-08-28 Sayiner Necip (President & CEO) Sale 30,500 44.74 1,364,570
2009-08-28 Sayiner Necip (President & CEO) Option Ex 25,000 32.27 806,750
2009-08-28 Wood William P (Director) Sale 25,000 45.00 1,125,025
2009-08-28 Sooch Navdeep S (Director) Sale 100,000 44.68 4,468,200
2009-08-28 Sooch Navdeep S (Director) Option Ex 50,000 15.10 755,000
2009-08-18 Sayiner Necip (President & CEO) Sale 2,250 41.33 92,990
2009-08-17 Wood William P (Director) Sale 5,000 40.70 203,500
2009-08-17 Wood William P (Director) Option Ex 5,000 31.00 155,000
2009-08-14 Cash Harvey B (Director) Sale 1,500 41.28 61,924
2009-08-12 Ivester Jonathan D (VP of Worldwide Operations) Sale 7,000 41.56 290,920
2009-08-03 Hoff Kurt W (VP of Worldwide Sales) Sale 2,000 42.76 85,520
2009-08-03 Walsh Paul V Jr (VP Principal Accounting Office) Sale 750 42.76 32,070
2009-07-29 Bock William G (CFO) Sale 35,000 42.00 1,470,035
2009-07-29 Bock William G (CFO) Option Ex 35,000 32.10 1,123,675
2009-07-22 Wood William P (Director) Sale 25,000 40.00 1,000,000
2009-07-21 Sayiner Necip (President & CEO) Sale 2,250 38.63 86,910
2009-07-14 Ivester Jonathan D (VP of Worldwide Operations) Sale 1,500 37.50 56,250
2009-07-01 Walsh Paul V Jr (VP Principal Accounting Office) Sale 750 38.30 28,724
2009-07-01 Sayiner Necip (President & CEO) Sale 3,500 39.15 137,025
2009-06-26 Sooch Navdeep S (Director) Sale 2,800 39.08 109,426
2009-06-10 Sooch Navdeep S (Director) Sale 2,200 39.05 85,914
2009-06-09 Sayiner Necip (President & CEO) Sale 2,250 37.80 85,052
2009-06-09 Ivester Jonathan D (VP of Worldwide Operations) Sale 1,500 36.34 54,510
2009-06-01 Hoff Kurt W (VP of Worldwide Sales) Sale 700 33.74 23,618
2009-06-01 Walsh Paul V Jr (VP Principal Accounting Office) Sale 750 33.74 25,305
2009-06-01 Wood William P (Director) Sale 25,000 35.00 875,000
2009-06-01 Sooch Navdeep S (Director) Sale 5,000 34.48 172,410
2009-05-26 Sayiner Necip (President & CEO) Sale 2,250 32.85 73,912
2009-05-05 Wood William P (Director) Sale 25,000 33.78 844,450
2009-05-04 Ivester Jonathan D (VP of Worldwide Operations) Sale 1,400 34.29 48,007
2009-05-01 Hoff Kurt W (VP of Worldwide Sales) Sale 1,233 33.09 40,799
2009-05-01 Walsh Paul V Jr (VP Principal Accounting Office) Sale 750 33.09 24,817
2009-04-29 Sayiner Necip (President & CEO) Sale 15,750 32.85 517,387
2009-04-29 Bock William G (CFO) Sale 11,039 32.41 357,773
2009-02-24 Ivester Jonathan D (VP of Worldwide Operations) Sale 3,600 21.51 77,428
2009-02-24 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 3,600 1.75 6,300
2009-02-10 Ivester Jonathan D (VP of Worldwide Operations) Sale 1,500 24.93 37,395
2009-02-10 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,200 1.75 2,100
2009-02-09 Cash Harvey B (Director) Sale 2,200 25.02 55,044
2009-01-13 Ivester Jonathan D (VP of Worldwide Operations) Sale 1,500 23.56 35,340
2009-01-13 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,200 1.75 2,100
2008-12-10 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 1.75 2,625
2008-11-26 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 3,000 1.75 5,250
2008-11-11 Ivester Jonathan D (VP of Worldwide Operations) Sale 1,500 22.77 34,155
2008-11-06 Cash Harvey B (Director) Sale 500 25.34 12,670
2008-10-14 Ivester Jonathan D (VP of Worldwide Operations) Sale 600 28.32 16,992
2008-10-03 Hoff Kurt W (VP of Worldwide Sales) Sale 2,000 30.00 60,000
2008-09-19 Sayiner Necip (President & CEO) Sale 2,250 32.85 73,912
2008-09-18 Walsh Paul V Jr (VP Principal Accounting Office) Sale 600 31.00 18,600
2008-09-18 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,000 31.45 188,700
2008-09-18 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 1.75 2,625
2008-09-03 Hoff Kurt W (VP of Worldwide Sales) Sale 2,000 33.42 66,840
2008-08-20 Walsh Paul V Jr (VP Principal Accounting Office) Sale 600 33.85 20,312
2008-08-12 Sayiner Necip (President & CEO) Sale 2,250 34.53 77,696
2008-08-12 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,000 34.73 208,379
2008-08-12 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 1.75 2,625
2008-08-01 Hoff Kurt W (VP of Worldwide Sales) Sale 2,000 32.64 65,280
2008-07-16 Walsh Paul V Jr (VP Principal Accounting Office) Sale 600 32.40 19,438
2008-07-08 Sayiner Necip (President & CEO) Sale 2,250 34.22 77,003
2008-07-08 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,000 34.19 205,140
2008-07-08 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 1.75 2,625
2008-06-19 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,500 35.29 229,385
2008-06-19 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 1.75 2,625
2008-06-18 Walsh Paul V Jr (VP Principal Accounting Office) Sale 600 33.99 20,393
2008-06-10 Sayiner Necip (President & CEO) Sale 1,750 34.92 61,111
2008-06-02 Hoff Kurt W (VP of Worldwide Sales) Sale 2,380 36.62 87,155
2008-05-21 Walsh Paul V Jr (VP Principal Accounting Office) Sale 600 37.37 22,424
2008-05-13 Sayiner Necip (President and CEO) Sale 1,750 35.77 62,590
2008-05-13 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,500 35.87 233,154
2008-05-13 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 1.75 2,625
2008-05-08 Bock William G (CFO) Sale 3,178 35.05 111,388
2008-05-07 Wood William P (Director) Sale 15,275 35.01 534,716
2008-05-06 Wood William P (Director) Sale 9,725 35.00 340,413
2008-05-06 Cash Harvey B (Director) Sale 20,000 33.80 676,000
2008-05-01 Hoff Kurt W (VP of Worldwide Sales) Sale 788 33.65 26,516
2008-05-01 Wood William P (Director) Sale 25,000 33.50 837,425
2008-04-28 Walsh Paul V Jr (VP Principal Accounting Office) Sale 668 35.00 23,380
2008-04-15 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,500 31.53 204,945
2008-04-15 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,550 .25 387
2008-04-08 Sayiner Necip (President & CEO) Sale 1,750 32.82 57,435
2008-03-11 Sayiner Necip (President & CEO) Sale 1,750 28.80 50,403
2008-03-11 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,500 28.65 186,225
2008-03-11 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 .25 375
2008-02-12 Sayiner Necip (President & CEO) Sale 1,750 32.52 56,904
2008-02-12 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,500 32.05 208,324
2008-02-12 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 .25 375
2008-01-15 Ivester Jonathan D (VP of Worldwide Operations) Sale 6,500 29.95 194,675
2008-01-15 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,500 .25 375
2008-01-08 Sayiner Necip (President & CEO) Sale 1,750 33.33 58,320
2007-12-12 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 1,400 .25 350
2007-12-11 Sayiner Necip (President & CEO) Sale 1,750 38.86 67,999
2007-12-11 Ivester Jonathan D (VP of Worldwide Operations) Sale 7,500 38.30 287,250
2007-11-13 Sayiner Necip (President & CEO) Sale 1,750 38.34 67,103
2007-11-13 Bock William G (CFO) Sale 10,430 38.99 406,665
2007-11-13 Ivester Jonathan D (VP of Worldwide Operations) Sale 7,500 38.00 285,000
2007-11-13 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 6,440 10.22 65,816
2007-10-30 Cash Harvey B (Director) Sale 5,000 43.02 215,125
2007-10-25 Walsh Paul V Jr (VP Principal Accounting Office) Sale 3,428 45.00 154,260
2007-10-25 Walsh Paul V Jr (VP Principal Accounting Office) Option Ex 2,416 25.07 60,569
2007-10-25 Wood William P (Director) Sale 25,000 45.00 1,125,000
2007-10-25 Sooch Navdeep S (Director) Sale 36,035 45.06 1,623,845
2007-10-09 Sayiner Necip (President & CEO) Sale 1,750 42.82 74,931
2007-10-09 Ivester Jonathan D (VP of Worldwide Operations) Sale 9,000 43.21 388,890
2007-10-09 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 6,160 10.22 62,955
2007-10-02 Gay Gary R (VP of Worldwide Sales) Sale 11,875 43.50 516,562
2007-10-02 Gay Gary R (VP of Worldwide Sales) Option Ex 11,875 38.50 457,187
2007-10-01 Sayiner Necip (President & CEO) Sale 20,000 43.32 866,400
2007-10-01 Sayiner Necip (President & CEO) Option Ex 20,000 32.27 645,400
2007-10-01 Bock William G (CFO) Sale 40,000 42.40 1,696,120
2007-10-01 Bock William G (CFO) Option Ex 40,000 31.06 1,242,400
2007-09-19 Gay Gary R (Senior VP of Worldwide Sales) Sale 4,125 41.81 172,466
2007-09-19 Gay Gary R (Senior VP of Worldwide Sales) Option Ex 4,125 36.81 151,841
2007-09-18 Bock William G (CFO) Sale 20,000 41.00 820,000
2007-09-18 Bock William G (CFO) Option Ex 20,000 31.00 620,000
2007-09-14 Walsh Paul V Jr (VP Principal Accounting Office) Sale 1,122 40.08 44,964
2007-09-14 Wood William P (Director) Sale 25,000 40.00 1,000,000
2007-09-14 Sooch Navdeep S (Director) Sale 50,000 40.09 2,004,750
2007-09-11 Sayiner Necip (President & CEO) Sale 1,750 38.53 67,422
2007-09-11 Ivester Jonathan D (VP of Worldwide Operations) Sale 7,500 38.04 285,300
2007-09-11 Ivester Jonathan D (VP of Worldwide Operations) Option Ex 6,500 10.22 66,430
2007-09-10 Gay Gary R (Senior VP of Worldwide Sales) Sale 3,239 38.17 123,632
2007-09-10 Gay Gary R (Senior VP of Worldwide Sales) Option Ex 3,239 33.17 107,437
2007-09-06 Gay Gary R (Senior VP of Worldwide Sales) Sale 8,011 38.17 305,779
2007-09-06 Gay Gary R (Senior VP of Worldwide Sales) Option Ex 8,011 33.17 265,724
2007-08-31 Cash Harvey B (Director) Sale 10,000 35.33 353,300
2007-08-22 Cash Harvey B (Director) Sale 1,300 35.00 45,500

Insider trading activities including stock purchases, stock sales, and option exercises of SLAB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Silicon Laboratories Inc (symbol SLAB, CIK number 1038074) see the Securities and Exchange Commission (SEC) website.