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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of all insider trading transactions in COSTCO WHOLESALE CORP /NEW. Get notifications about new insider transactions in COSTCO WHOLESALE CORP /NEW for free.
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Option Exercise | M | 34.28 | 60,000 | 2,056,800 | 0 | |
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Option Exercise | M | 43.00 | 60,000 | 2,580,000 | 0 | |
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Option Exercise | M | 36.91 | 80,000 | 2,952,504 | 0 | |
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Option Exercise | M | 22.88 | 80,000 | 1,830,000 | 0 | |
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Sell | S | 54.35 | 280,000 | 15,219,036 | 151,759 | 431.8 K to 151.8 K (-64.85 %) |
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Buy | M | 34.28 | 60,000 | 2,056,800 | 431,759 | 371.8 K to 431.8 K (+16.14 %) |
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Buy | M | 43.00 | 60,000 | 2,580,000 | 371,759 | 311.8 K to 371.8 K (+19.25 %) |
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Buy | M | 36.91 | 80,000 | 2,952,504 | 311,759 | 231.8 K to 311.8 K (+34.52 %) |
| Apr 28 2006 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Buy | M | 22.87 | 80,000 | 1,829,600 | 231,759 | 151.8 K to 231.8 K (+52.72 %) |
| Apr 27 2006 | COST | COSTCO WHOLESALE C ... | CARSON BENJAMIN SR | Director | Option Exercise | M | 30.41 | 12,000 | 364,920 | 0 | |
| Apr 27 2006 | COST | COSTCO WHOLESALE C ... | CARSON BENJAMIN SR | Director | Sell | S | 54.63 | 2,000 | 109,260 | 0 | 2 K to 0 (-100.00 %) |
| Apr 27 2006 | COST | COSTCO WHOLESALE C ... | CARSON BENJAMIN SR | Director | Sell | S | 54.62 | 10,000 | 546,200 | 2,000 | 12 K to 2 K (-83.33 %) |
| Apr 27 2006 | COST | COSTCO WHOLESALE C ... | CARSON BENJAMIN SR | Director | Buy | M | 30.41 | 12,000 | 364,920 | 12,000 | 0 to 12 K |
| Apr 25 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 34.28 | 15,000 | 514,200 | 0 | |
| Apr 25 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Sell | S | 54.25 | 15,000 | 813,750 | 0 | 15 K to 0 (-100.00 %) |
| Apr 25 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 34.28 | 15,000 | 514,200 | 15,000 | 0 to 15 K |
| Apr 18 2006 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Option Exercise | M | 36.91 | 60,000 | 2,214,378 | 0 | |
| Apr 18 2006 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Sell | S | 55.10 | 20,000 | 1,102,000 | 300 | 20.3 K to 300 (-98.52 %) |
| Apr 18 2006 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Sell | S | 55.05 | 20,000 | 1,101,000 | 20,300 | 40.3 K to 20.3 K (-49.63 %) |
| Apr 18 2006 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Sell | S | 55.00 | 20,000 | 1,100,000 | 40,300 | 60.3 K to 40.3 K (-33.17 %) |
| Apr 18 2006 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Buy | M | 36.91 | 60,000 | 2,214,378 | 60,300 | 300 to 60.3 K (+20,000.00 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 43.79 | 15,000 | 656,850 | 60,000 | |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 37.35 | 15,000 | 560,250 | 45,000 | |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 30.41 | 15,000 | 456,150 | 30,000 | |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 38.79 | 15,000 | 581,850 | 15,000 | |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 55.00 | 60,000 | 3,300,000 | 0 | 60 K to 0 (-100.00 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 43.79 | 15,000 | 656,850 | 60,000 | 45 K to 60 K (+33.33 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 37.35 | 15,000 | 560,250 | 45,000 | 30 K to 45 K (+50.00 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 30.41 | 15,000 | 456,150 | 30,000 | 15 K to 30 K (+100.00 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 38.79 | 15,000 | 581,850 | 15,000 | 0 to 15 K |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 43.79 | 15,000 | 656,850 | 60,000 | |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 37.35 | 15,000 | 560,250 | 45,000 | |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 30.41 | 15,000 | 456,150 | 30,000 | |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 38.79 | 15,000 | 581,850 | 15,000 | |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Sell | S | 55.00 | 60,000 | 3,300,000 | 0 | 60 K to 0 (-100.00 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 43.79 | 15,000 | 656,850 | 60,000 | 45 K to 60 K (+33.33 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 37.35 | 15,000 | 560,250 | 45,000 | 30 K to 45 K (+50.00 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 30.41 | 15,000 | 456,150 | 30,000 | 15 K to 30 K (+100.00 %) |
| Apr 11 2006 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 38.79 | 15,000 | 581,850 | 15,000 | 0 to 15 K |
| Mar 30 2006 | COST | COSTCO WHOLESALE C ... | LIBENSON RICHARD M | Director | Sell | S | 54.54 | 19,000 | 1,036,260 | 71,632 | 90.6 K to 71.6 K (-20.96 %) |
| Mar 16 2006 | COST | COSTCO WHOLESALE C ... | RUCKELSHAUS JILL S | Director | Option Exercise | M | 14.06 | 16,000 | 225,000 | 0 | |
| Mar 16 2006 | COST | COSTCO WHOLESALE C ... | RUCKELSHAUS JILL S | Director | Sell | S | 55.00 | 16,000 | 880,000 | 2,066 | 18.1 K to 2.1 K (-88.56 %) |
| Mar 16 2006 | COST | COSTCO WHOLESALE C ... | RUCKELSHAUS JILL S | Director | Buy | M | 14.06 | 16,000 | 225,000 | 18,066 | 2.1 K to 18.1 K (+774.44 %) |
| Mar 15 2006 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Option Exercise | M | 22.88 | 20,000 | 457,500 | 80,000 | |
| Mar 15 2006 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Sell | S | 55.15 | 20,000 | 1,103,018 | 10,462 | 30.5 K to 10.5 K (-65.66 %) |
| Mar 15 2006 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Buy | M | 22.88 | 20,000 | 457,500 | 30,462 | 10.5 K to 30.5 K (+191.17 %) |
| Mar 14 2006 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 38.79 | 10,000 | 387,900 | 17,500 | ||
| Mar 14 2006 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 55.18 | 864 | 47,676 | 0 | 864 to 0 (-100.00 %) | |
| Mar 14 2006 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 55.17 | 9,136 | 504,033 | 864 | 10 K to 864 (-91.36 %) | |
| Mar 14 2006 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 38.79 | 10,000 | 387,900 | 10,000 | 0 to 10 K | |
| Mar 10 2006 | COST | COSTCO WHOLESALE C ... | SINEGAL JAMES D | CEO and President | Option Exercise | M | 10.69 | 300,000 | 3,206,250 | 0 | |
| Mar 10 2006 | COST | COSTCO WHOLESALE C ... | SINEGAL JAMES D | CEO and President | Sell | S | 53.37 | 200,000 | 10,674,320 | 729,551 | 929.6 K to 729.6 K (-21.52 %) |
| Mar 10 2006 | COST | COSTCO WHOLESALE C ... | SINEGAL JAMES D | CEO and President | Buy | M | 10.69 | 300,000 | 3,206,250 | 929,551 | 629.6 K to 929.6 K (+47.65 %) |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | MEISENBACH JOHN W | Director | Option Exercise | M | 9.28 | 16,000 | 148,501 | 0 | |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | MEISENBACH JOHN W | Director | Sell | S | 53.02 | 16,000 | 848,320 | 0 | 16 K to 0 (-100.00 %) |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | MEISENBACH JOHN W | Director | Buy | M | 0.00 | 16,000 | 0 | 16,000 | 0 to 16 K |
| Mar 09 2006 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Option Exercise | M | 13.44 | 20,000 | 268,750 | 0 | |
| Mar 09 2006 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Sell | S | 53.71 | 20,000 | 1,074,282 | 10,462 | 30.5 K to 10.5 K (-65.66 %) |
| Mar 09 2006 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Buy | M | 13.44 | 20,000 | 268,750 | 30,462 | 10.5 K to 30.5 K (+191.17 %) |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 38.79 | 10,000 | 387,900 | 27,500 | ||
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 53.66 | 10,000 | 536,600 | 0 | 10 K to 0 (-100.00 %) | |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 38.79 | 10,000 | 387,900 | 10,000 | 0 to 10 K | |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 37.35 | 15,000 | 560,250 | 60,000 | |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 38.79 | 45,000 | 1,745,550 | 30,000 | |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 53.00 | 28,000 | 1,484,000 | 0 | 28 K to 0 (-100.00 %) |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 52.93 | 12,000 | 635,160 | 28,000 | 40 K to 28 K (-30.00 %) |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 53.15 | 10,000 | 531,500 | 40,000 | 50 K to 40 K (-20.00 %) |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 53.23 | 10,000 | 532,300 | 50,000 | 60 K to 50 K (-16.67 %) |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 37.35 | 15,000 | 560,250 | 60,000 | 45 K to 60 K (+33.33 %) |
| Mar 06 2006 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 38.79 | 45,000 | 1,745,550 | 45,000 | 0 to 45 K |
| Jan 25 2006 | COST | COSTCO WHOLESALE C ... | BROTMAN JEFFREY H | Chairman of the Boa ... | Option Exercise | M | 10.69 | 33,300 | 355,894 | 0 | |
| Jan 25 2006 | COST | COSTCO WHOLESALE C ... | BROTMAN JEFFREY H | Chairman of the Boa ... | Sell | S | 50.05 | 33,300 | 1,666,765 | 68,975 | 102.3 K to 69 K (-32.56 %) |
| Jan 25 2006 | COST | COSTCO WHOLESALE C ... | BROTMAN JEFFREY H | Chairman of the Boa ... | Buy | M | 10.69 | 33,300 | 355,894 | 102,275 | 69 K to 102.3 K (+48.28 %) |
| Jan 23 2006 | COST | COSTCO WHOLESALE C ... | BROTMAN JEFFREY H | Chairman of the Boa ... | Option Exercise | M | 10.69 | 266,700 | 2,850,356 | 33,300 | |
| Jan 23 2006 | COST | COSTCO WHOLESALE C ... | BROTMAN JEFFREY H | Chairman of the Boa ... | Sell | S | 50.13 | 266,700 | 13,368,658 | 68,975 | 335.7 K to 69 K (-79.45 %) |
| Jan 23 2006 | COST | COSTCO WHOLESALE C ... | BROTMAN JEFFREY H | Chairman of the Boa ... | Buy | M | 10.69 | 266,700 | 2,850,356 | 335,675 | 69 K to 335.7 K (+386.66 %) |
| Dec 22 2005 | COST | COSTCO WHOLESALE C ... | DICERCHIO RICHARD D | Senior Executive VP | Sell | S | 49.50 | 10,000 | 495,000 | 96,230 | 106.2 K to 96.2 K (-9.41 %) |
| Dec 23 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 37.35 | 7,500 | 280,125 | 30,000 | ||
| Dec 23 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 0.00 | 7,500 | 0 | 0 | 7.5 K to 0 (-100.00 %) | |
| Dec 23 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 37.35 | 7,500 | 280,125 | 7,500 | 0 to 7.5 K | |
| Dec 15 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 36.91 | 5,000 | 184,532 | 0 | ||
| Dec 15 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 49.40 | 1,000 | 49,400 | 0 | 1,000 to 0 (-100.00 %) | |
| Dec 15 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 49.41 | 4,000 | 197,640 | 1,000 | 5 K to 1,000 (-80.00 %) | |
| Dec 15 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 36.91 | 5,000 | 184,532 | 5,000 | 0 to 5 K | |
| Dec 15 2005 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Option Exercise | M | 13.44 | 25,000 | 335,938 | 20,000 | |
| Dec 15 2005 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Sell | S | 48.95 | 25,000 | 1,223,675 | 12,462 | 37.5 K to 12.5 K (-66.73 %) |
| Dec 15 2005 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Buy | M | 13.44 | 25,000 | 335,938 | 37,462 | 12.5 K to 37.5 K (+200.61 %) |
| Nov 14 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 36.91 | 5,000 | 184,532 | 10,000 | ||
| Nov 14 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 50.04 | 5,000 | 250,200 | 0 | 5 K to 0 (-100.00 %) | |
| Nov 14 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 36.91 | 5,000 | 184,532 | 5,000 | 0 to 5 K | |
| Nov 18 2005 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Option Exercise | M | 13.44 | 30,000 | 403,125 | 45,000 | |
| Nov 18 2005 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Sell | S | 49.89 | 30,000 | 1,496,610 | 14,462 | 44.5 K to 14.5 K (-67.47 %) |
| Nov 18 2005 | COST | COSTCO WHOLESALE C ... | GALANTI RICHARD A | Executive VP and CF ... | Buy | M | 13.44 | 30,000 | 403,125 | 44,462 | 14.5 K to 44.5 K (+207.44 %) |
| Nov 18 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 36.91 | 5,000 | 184,532 | 5,000 | ||
| Nov 18 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 49.82 | 5,000 | 249,100 | 0 | 5 K to 0 (-100.00 %) | |
| Nov 18 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 36.91 | 5,000 | 184,532 | 5,000 | 0 to 5 K | |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Option Exercise | M | 36.91 | 20,000 | 738,126 | 60,000 | |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Option Exercise | M | 36.00 | 20,000 | 720,000 | 0 | |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Sell | S | 47.89 | 10,000 | 478,900 | 300 | 10.3 K to 300 (-97.09 %) |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Sell | S | 47.90 | 10,000 | 479,000 | 10,300 | 20.3 K to 10.3 K (-49.26 %) |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Sell | S | 47.95 | 20,000 | 959,000 | 20,300 | 40.3 K to 20.3 K (-49.63 %) |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Buy | M | 36.91 | 20,000 | 738,126 | 40,300 | 20.3 K to 40.3 K (+98.52 %) |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | MOULTON PAUL G | Executive VP | Buy | M | 36.00 | 20,000 | 720,000 | 20,300 | 300 to 20.3 K (+6,666.67 %) |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 43.00 | 75,000 | 3,225,000 | 0 | |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 47.85 | 75,000 | 3,588,750 | 0 | 75 K to 0 (-100.00 %) |
| Oct 26 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 43.00 | 75,000 | 3,225,000 | 75,000 | 0 to 75 K |
| Oct 17 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 36.91 | 9,600 | 354,300 | 15,000 | ||
| Oct 17 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 36.91 | 400 | 14,763 | 24,600 | ||
| Oct 17 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 46.41 | 9,600 | 445,536 | 0 | 9.6 K to 0 (-100.00 %) | |
| Oct 17 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 46.00 | 400 | 18,400 | 9,600 | 10 K to 9.6 K (-4.00 %) | |
| Oct 17 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 36.91 | 10,000 | 369,063 | 10,000 | 0 to 10 K | |
| Oct 11 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Option Exercise | M | 13.44 | 50,000 | 671,875 | 0 | |
| Oct 11 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Option Exercise | M | 8.75 | 20,000 | 175,000 | 0 | |
| Oct 11 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Sell | S | 45.33 | 70,000 | 3,173,051 | 152,159 | 222.2 K to 152.2 K (-31.51 %) |
| Oct 11 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Buy | M | 13.44 | 50,000 | 671,875 | 222,159 | 172.2 K to 222.2 K (+29.04 %) |
| Oct 11 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Buy | M | 8.75 | 20,000 | 175,000 | 172,159 | 152.2 K to 172.2 K (+13.14 %) |
| Jul 27 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 36.91 | 5,000 | 184,532 | 35,000 | ||
| Jul 27 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 46.08 | 5,000 | 230,400 | 0 | 5 K to 0 (-100.00 %) | |
| Jul 27 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 36.91 | 5,000 | 184,532 | 5,000 | 0 to 5 K | |
| Jul 28 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 36.91 | 10,000 | 369,063 | 25,000 | ||
| Jul 28 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 46.59 | 10,000 | 465,900 | 0 | 10 K to 0 (-100.00 %) | |
| Jul 28 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 36.91 | 10,000 | 369,063 | 10,000 | 0 to 10 K | |
| Jun 17 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 34.28 | 60,000 | 2,056,800 | 15,000 | |
| Jun 17 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Option Exercise | M | 30.41 | 30,000 | 912,300 | 45,000 | |
| Jun 17 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 45.92 | 20,000 | 918,400 | 0 | 20 K to 0 (-100.00 %) |
| Jun 17 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 45.76 | 10,000 | 457,600 | 20,000 | 30 K to 20 K (-33.33 %) |
| Jun 17 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Sell | S | 45.75 | 60,000 | 2,745,000 | 30,000 | 90 K to 30 K (-66.67 %) |
| Jun 17 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 30.41 | 30,000 | 912,300 | 90,000 | 60 K to 90 K (+50.00 %) |
| Jun 17 2005 | COST | COSTCO WHOLESALE C ... | ZOOK DENNIS R | Executive VP | Buy | M | 34.28 | 60,000 | 2,056,800 | 60,000 | 0 to 60 K |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | SINEGAL JAMES D | President and CEO | Sell | S | 0.00 | 200,000 | 0 | 655,674 | 855.7 K to 655.7 K (-23.37 %) |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 43.00 | 75,000 | 3,225,000 | 0 | |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 38.79 | 15,000 | 581,850 | 30,000 | |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 37.35 | 15,000 | 560,250 | 60,000 | |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 34.28 | 15,000 | 514,200 | 15,000 | |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Option Exercise | M | 30.41 | 15,000 | 456,150 | 45,000 | |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Sell | S | 45.85 | 135,000 | 6,189,750 | 0 | 135 K to 0 (-100.00 %) |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 34.28 | 15,000 | 514,200 | 135,000 | 120 K to 135 K (+12.50 %) |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 37.35 | 15,000 | 560,250 | 120,000 | 105 K to 120 K (+14.29 %) |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 30.41 | 15,000 | 456,150 | 105,000 | 90 K to 105 K (+16.67 %) |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 38.79 | 15,000 | 581,850 | 90,000 | 75 K to 90 K (+20.00 %) |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PORTERA JOSEPH P | Executive VP | Buy | M | 43.00 | 75,000 | 3,225,000 | 75,000 | 0 to 75 K |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 34.28 | 7,500 | 257,100 | 7,500 | ||
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Option Exercise | M | 30.41 | 7,500 | 228,075 | 22,500 | ||
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Sell | S | 46.24 | 15,000 | 693,600 | 0 | 15 K to 0 (-100.00 %) | |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 30.41 | 7,500 | 228,075 | 15,000 | 7.5 K to 15 K (+100.00 %) | |
| Jun 08 2005 | COST | COSTCO WHOLESALE C ... | PETTERSON DAVID S | Buy | M | 34.28 | 7,500 | 257,100 | 7,500 | 0 to 7.5 K | |
| Apr 29 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Option Exercise | M | 8.75 | 30,000 | 262,500 | 20,000 | |
| Apr 29 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Option Exercise | M | 8.25 | 20,000 | 165,000 | 0 | |
| Apr 29 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Buy | M | 8.75 | 30,000 | 262,500 | 152,902 | 122.9 K to 152.9 K (+24.41 %) |
| Apr 29 2005 | COST | COSTCO WHOLESALE C ... | WALKER THOMAS KIRK | Executive VP | Buy | M | 8.25 | 20,000 | 165,000 | 122,902 | 102.9 K to 122.9 K (+19.44 %) |