John D Mckay
Insider
First SEC filing: Jan. 7, 2016 · Latest: Jan. 7, 2016
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 22, 2018 | COST | F | 2,450 | $229.06 | $561,197 | 37,426 Direct | -6.14% | Disposed | 303.2% (price as of 2026-10-05) |
| Oct. 22, 2018 | COST | F | 2,119 | $229.06 | $485,378 | 39,876 Direct | -5.05% | Disposed | 303.2% (price as of 2026-10-05) |
| Oct. 22, 2018 | COST | F | 1,497 | $229.06 | $342,903 | 41,995 Direct | -3.44% | Disposed | 303.2% (price as of 2026-10-05) |
| Oct. 22, 2018 | COST | F | 1,185 | $229.06 | $271,436 | 43,492 Direct | -2.65% | Disposed | 303.2% (price as of 2026-10-05) |
| Oct. 22, 2018 | COST | F | 592 | $229.06 | $135,604 | 44,677 Direct | -1.31% | Disposed | 303.2% (price as of 2026-10-05) |
| Oct. 2, 2018 | COST | A | 18,680 | · | · | 55,761 Direct | +50.38% | Acquired | (price as of 2026-10-05) |
| Oct. 2, 2018 | COST | F | 4,266 | $236.35 | $1,008,269 | 45,269 Direct | -8.61% | Disposed | 290.7% (price as of 2026-10-05) |
| Oct. 2, 2018 | COST | A | 12,454 | · | · | 49,535 Direct | +33.59% | Acquired | (price as of 2026-10-05) |
| Nov. 13, 2017 | COST | S | 8,111 | $172.78 | $1,401,419 | 66,751 Direct | -10.83% | Disposed | 434.5% (price as of 2026-10-05) |
| Oct. 22, 2017 | COST | F | 566 | $160.77 | $90,996 | 74,862 Direct | -0.75% | Disposed | 474.4% (price as of 2026-10-05) |
| Oct. 22, 2017 | COST | F | 533 | $160.77 | $85,690 | 75,428 Direct | -0.70% | Disposed | 474.4% (price as of 2026-10-05) |
| Oct. 22, 2017 | COST | F | 633 | $160.77 | $101,767 | 75,961 Direct | -0.83% | Disposed | 474.4% (price as of 2026-10-05) |
| Oct. 22, 2017 | COST | F | 631 | $160.77 | $101,446 | 76,594 Direct | -0.82% | Disposed | 474.4% (price as of 2026-10-05) |
| Oct. 22, 2017 | COST | F | 809 | $160.77 | $130,063 | 77,225 Direct | -1.04% | Disposed | 474.4% (price as of 2026-10-05) |
| Oct. 2, 2017 | COST | A | 626 | $165.89 | $103,847 | 78,034 Direct | +0.81% | Acquired | 456.7% (price as of 2026-10-05) |
| Oct. 2, 2017 | COST | F | 4,769 | $165.89 | $791,129 | 77,408 Direct | -5.80% | Disposed | 456.7% (price as of 2026-10-05) |
| Oct. 2, 2017 | COST | A | 19,570 | · | · | 82,177 Direct | +31.26% | Acquired | (price as of 2026-10-05) |
| June 5, 2017 | COST | S | 3,000 | $181.60 | $544,800 | 62,607 Direct | -4.57% | Disposed | 408.5% (price as of 2026-10-05) |
| May 24, 2017 | COST | A | 449 | $173.01 | $77,681 | 64,981 Direct | +0.70% | Acquired | 433.8% (price as of 2026-10-05) |
| May 24, 2017 | COST | A | 1,075 | $173.01 | $185,986 | 65,607 Direct | +1.67% | Acquired | 433.8% (price as of 2026-10-05) |
| Feb. 3, 2017 | COST | S | 4,948 | $168.25 | $832,501 | 64,532 Direct | -7.12% | Disposed | 448.9% (price as of 2026-10-05) |
| Oct. 22, 2016 | COST | F | 516 | $148.97 | $76,869 | 69,480 Direct | -0.74% | Disposed | 519.9% (price as of 2026-10-05) |
| Oct. 22, 2016 | COST | F | 613 | $148.97 | $91,319 | 69,996 Direct | -0.87% | Disposed | 519.9% (price as of 2026-10-05) |
| Oct. 22, 2016 | COST | F | 613 | $148.97 | $91,319 | 70,609 Direct | -0.86% | Disposed | 519.9% (price as of 2026-10-05) |
| Oct. 22, 2016 | COST | F | 784 | $148.97 | $116,792 | 71,222 Direct | -1.09% | Disposed | 519.9% (price as of 2026-10-05) |
| Oct. 22, 2016 | COST | F | 784 | $148.97 | $116,792 | 72,006 Direct | -1.08% | Disposed | 519.9% (price as of 2026-10-05) |
| Oct. 5, 2016 | COST | F | 4,185 | $149.98 | $627,666 | 72,790 Direct | -5.44% | Disposed | 515.8% (price as of 2026-10-05) |
| Oct. 5, 2016 | COST | A | 18,440 | · | · | 76,975 Direct | +31.50% | Acquired | (price as of 2026-10-05) |
| July 11, 2016 | COST | S | 7,500 | $166.58 | $1,249,350 | 58,535 Direct | -11.36% | Disposed | 454.4% (price as of 2026-10-05) |
| March 31, 2016 | COST | S | 4,455 | $159.00 | $708,345 | 66,035 Direct | -6.32% | Disposed | 480.8% (price as of 2026-10-05) |
| Oct. 22, 2015 | COST | F | 613 | $158.15 | $96,946 | 70,465 Direct | -0.86% | Disposed | 484.0% (price as of 2026-10-05) |
| Oct. 22, 2015 | COST | F | 614 | $158.15 | $97,104 | 71,078 Direct | -0.86% | Disposed | 484.0% (price as of 2026-10-05) |
| Oct. 22, 2015 | COST | F | 786 | $158.15 | $124,306 | 71,692 Direct | -1.08% | Disposed | 484.0% (price as of 2026-10-05) |
| Oct. 22, 2015 | COST | F | 784 | $158.15 | $123,990 | 72,478 Direct | -1.07% | Disposed | 484.0% (price as of 2026-10-05) |
| Oct. 22, 2015 | COST | F | 784 | $158.15 | $123,990 | 73,262 Direct | -1.06% | Disposed | 484.0% (price as of 2026-10-05) |
| Oct. 12, 2015 | COST | S | 6,779 | $154.00 | $1,043,966 | 74,046 Direct | -8.39% | Disposed | 499.7% (price as of 2026-10-05) |
| Sept. 24, 2015 | COST | F | 5,119 | $144.87 | $741,590 | 81,725 Direct | -5.89% | Disposed | 537.5% (price as of 2026-10-05) |
| Sept. 24, 2015 | COST | A | 21,000 | · | · | 86,844 Direct | +31.89% | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2015 | COST | A | 1,599 | $146.96 | $234,989 | 64,944 Direct | +2.52% | Acquired | 528.4% (price as of 2026-10-05) |
| Dec. 18, 2014 | COST | S | 3,648 | $141.07 | $514,623 | 63,345 Direct | -5.45% | Disposed | 554.7% (price as of 2026-10-05) |
| Oct. 22, 2014 | COST | F | 376 | $130.54 | $49,083 | 69,840 Direct | -0.54% | Disposed | 607.5% (price as of 2026-10-05) |
| Oct. 22, 2014 | COST | F | 753 | $130.54 | $98,297 | 69,087 Direct | -1.08% | Disposed | 607.5% (price as of 2026-10-05) |
| Oct. 22, 2014 | COST | F | 753 | $130.54 | $98,297 | 68,334 Direct | -1.09% | Disposed | 607.5% (price as of 2026-10-05) |
| Oct. 22, 2014 | COST | F | 753 | $130.54 | $98,297 | 67,581 Direct | -1.10% | Disposed | 607.5% (price as of 2026-10-05) |
| Oct. 22, 2014 | COST | F | 588 | $130.54 | $76,758 | 66,993 Direct | -0.87% | Disposed | 607.5% (price as of 2026-10-05) |
| Sept. 26, 2014 | COST | F | 4,725 | $125.54 | $593,176 | 70,216 Direct | -6.30% | Disposed | 635.6% (price as of 2026-10-05) |
| Sept. 26, 2014 | COST | A | 21,000 | · | · | 74,941 Direct | +38.93% | Acquired | (price as of 2026-10-05) |
| Aug. 11, 2014 | COST | S | 12,000 | $118.94 | $1,427,280 | 53,941 Direct | -18.20% | Disposed | 676.5% (price as of 2026-10-05) |
| March 14, 2014 | COST | S | 3,000 | $114.00 | $342,000 | 65,941 Direct | -4.35% | Disposed | 710.1% (price as of 2026-10-05) |
| Jan. 2, 2014 | COST | S | 4,655 | $118.40 | $551,152 | 68,941 Direct | -6.33% | Disposed | 680.0% (price as of 2026-10-05) |
| Nov. 1, 2013 | COST | S | 4,000 | $118.93 | $475,720 | 73,596 Direct | -5.15% | Disposed | 676.5% (price as of 2026-10-05) |
| Oct. 22, 2013 | COST | F | 4,515 | $117.81 | $531,912 | 75,689 Direct | -5.63% | Disposed | 683.9% (price as of 2026-10-05) |
| Oct. 22, 2013 | COST | F | 3,765 | $117.81 | $443,555 | 80,204 Direct | -4.48% | Disposed | 683.9% (price as of 2026-10-05) |
| Oct. 22, 2013 | COST | F | 3,011 | $117.81 | $354,726 | 83,969 Direct | -3.46% | Disposed | 683.9% (price as of 2026-10-05) |
| Oct. 22, 2013 | COST | F | 1,129 | $117.81 | $133,007 | 86,980 Direct | -1.28% | Disposed | 683.9% (price as of 2026-10-05) |
| Oct. 22, 2013 | COST | F | 753 | $117.81 | $88,711 | 88,109 Direct | -0.85% | Disposed | 683.9% (price as of 2026-10-05) |
| Sept. 20, 2013 | COST | A | 1,907 | $117.94 | $224,912 | 90,769 Direct | +2.15% | Acquired | 683.0% (price as of 2026-10-05) |
| Sept. 20, 2013 | COST | F | 2,547 | $117.94 | $300,393 | 88,862 Direct | -2.79% | Disposed | 683.0% (price as of 2026-10-05) |
| Sept. 20, 2013 | COST | A | 25,000 | · | · | 91,409 Direct | +37.65% | Acquired | (price as of 2026-10-05) |
| May 2, 2013 | COST | S | 3,000 | $109.11 | $327,330 | 66,409 Direct | -4.32% | Disposed | 746.4% (price as of 2026-10-05) |
| Dec. 21, 2012 | COST | S | 2,000 | $99.00 | $198,000 | 69,409 Direct | -2.80% | Disposed | 832.8% (price as of 2026-10-05) |
| Dec. 12, 2012 | COST | A | 2,160 | $98.31 | $212,350 | 71,409 Direct | +3.12% | Acquired | 839.4% (price as of 2026-10-05) |
| Oct. 22, 2012 | COST | F | 1,215 | $95.00 | $115,425 | 69,249 Direct | -1.72% | Disposed | 872.1% (price as of 2026-10-05) |
| Oct. 22, 2012 | COST | F | 1,215 | $95.00 | $115,425 | 70,464 Direct | -1.70% | Disposed | 872.1% (price as of 2026-10-05) |
| Oct. 22, 2012 | COST | F | 608 | $95.00 | $57,760 | 71,679 Direct | -0.84% | Disposed | 872.1% (price as of 2026-10-05) |
| Oct. 22, 2012 | COST | F | 608 | $95.00 | $57,760 | 72,287 Direct | -0.83% | Disposed | 872.1% (price as of 2026-10-05) |
| Oct. 17, 2012 | COST | F | 751 | $96.78 | $72,682 | 72,895 Direct | -1.02% | Disposed | 854.2% (price as of 2026-10-05) |
| Sept. 26, 2012 | COST | F | 2,205 | $101.00 | $222,705 | 73,646 Direct | -2.91% | Disposed | 814.4% (price as of 2026-10-05) |
| Sept. 26, 2012 | COST | A | 25,000 | · | · | 75,851 Direct | +49.16% | Acquired | (price as of 2026-10-05) |
| July 27, 2012 | COST | S | 2,500 | $96.79 | $241,975 | 50,851 Direct | -4.69% | Disposed | 854.1% (price as of 2026-10-05) |
| March 8, 2012 | COST | S | 4,000 | $88.00 | $352,000 | 53,351 Direct | -6.97% | Disposed | 949.5% (price as of 2026-10-05) |
| Oct. 22, 2011 | COST | F | 1,215 | $85.30 | $103,640 | 57,351 Direct | -2.07% | Disposed | 982.7% (price as of 2026-10-05) |
| Oct. 22, 2011 | COST | F | 608 | $85.30 | $51,862 | 58,566 Direct | -1.03% | Disposed | 982.7% (price as of 2026-10-05) |
| Oct. 22, 2011 | COST | F | 608 | $85.30 | $51,862 | 59,174 Direct | -1.02% | Disposed | 982.7% (price as of 2026-10-05) |
| Oct. 21, 2011 | COST | M | 26,800 | $43.79 | $1,173,572 | 0 Direct | -100.00% | Disposed | 2009.0% (price as of 2026-10-05) |
| Oct. 21, 2011 | COST | S | 26,800 | $84.91 | $2,275,588 | 59,782 Direct | -30.95% | Disposed | 987.6% (price as of 2026-10-05) |
| Oct. 21, 2011 | COST | M | 26,800 | $43.79 | $1,173,572 | 86,582 Direct | +44.83% | Acquired | 2009.0% (price as of 2026-10-05) |
| Oct. 20, 2011 | COST | M | 10,700 | $43.79 | $468,553 | 26,800 Direct | -28.53% | Disposed | 2009.0% (price as of 2026-10-05) |
| Oct. 20, 2011 | COST | S | 10,700 | · | · | 49,082 Direct | -17.90% | Disposed | (price as of 2026-10-05) |
| Oct. 20, 2011 | COST | M | 10,700 | $43.79 | $468,553 | 59,782 Direct | +21.80% | Acquired | 2009.0% (price as of 2026-10-05) |
| Oct. 20, 2011 | COST | S | 10,700 | · | · | 49,082 Direct | -17.90% | Disposed | (price as of 2026-10-05) |
| Oct. 19, 2011 | COST | F | 905 | $84.38 | $76,364 | 59,782 Direct | -1.49% | Disposed | 994.5% (price as of 2026-10-05) |
| Oct. 19, 2011 | COST | F | 905 | $84.38 | $76,364 | 59,782 Direct | -1.49% | Disposed | 994.5% (price as of 2026-10-05) |
| Oct. 17, 2011 | COST | F | 899 | $82.36 | $74,042 | 60,687 Direct | -1.46% | Disposed | 1021.3% (price as of 2026-10-05) |
| Sept. 28, 2011 | COST | F | 2,852 | $83.79 | $238,969 | 36,586 Direct | -7.23% | Disposed | 1002.2% (price as of 2026-10-05) |
| Sept. 28, 2011 | COST | A | 25,000 | · | · | 61,586 Direct | +68.33% | Acquired | (price as of 2026-10-05) |
| Sept. 28, 2011 | COST | F | 2,852 | $83.79 | $238,969 | 36,586 Direct | -7.23% | Disposed | 1002.2% (price as of 2026-10-05) |
| April 26, 2011 | COST | M | 17,500 | $37.35 | $653,625 | 0 Direct | -100.00% | Disposed | 2372.6% (price as of 2026-10-05) |
| April 26, 2011 | COST | S | 17,500 | · | · | 39,438 Direct | -30.74% | Disposed | (price as of 2026-10-05) |
| April 26, 2011 | COST | M | 17,500 | $37.35 | $653,625 | 56,938 Direct | +44.37% | Acquired | 2372.6% (price as of 2026-10-05) |
| April 12, 2011 | COST | S | 25 | $76.19 | $1,905 | 39,438 Direct | -0.06% | Disposed | 1112.1% (price as of 2026-10-05) |
| April 12, 2011 | COST | F | 317 | $76.45 | $24,235 | 39,463 Direct | -0.80% | Disposed | 1108.0% (price as of 2026-10-05) |
| April 12, 2011 | COST | F | 317 | $76.45 | $24,235 | 39,463 Direct | -0.80% | Disposed | 1108.0% (price as of 2026-10-05) |
| Oct. 22, 2010 | COST | F | 608 | $64.03 | $38,930 | 39,780 Direct | -1.51% | Disposed | 1342.3% (price as of 2026-10-05) |
| Oct. 22, 2010 | COST | F | 608 | $64.03 | $38,930 | 40,388 Direct | -1.48% | Disposed | 1342.3% (price as of 2026-10-05) |
| Oct. 19, 2010 | COST | F | 912 | $62.21 | $56,736 | 40,996 Direct | -2.18% | Disposed | 1384.5% (price as of 2026-10-05) |
| Oct. 17, 2010 | COST | F | 912 | $63.70 | $58,094 | 41,908 Direct | -2.13% | Disposed | 1349.8% (price as of 2026-10-05) |
| Oct. 8, 2010 | COST | M | 15,000 | $38.79 | $581,850 | 0 Direct | -100.00% | Disposed | 2280.8% (price as of 2026-10-05) |
| Oct. 8, 2010 | COST | M | 22,500 | $39.25 | $883,125 | 0 Direct | -100.00% | Disposed | 2252.9% (price as of 2026-10-05) |
| Oct. 8, 2010 | COST | S | 37,500 | · | · | 42,820 Direct | -46.69% | Disposed | (price as of 2026-10-05) |
Showing latest 100 of 103 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Oct. 21, 2011 | COST | Stock Option | Common Stock | $43.79 | April 1, 2015 | 26,800 | Disposed |
| Oct. 20, 2011 | COST | Stock Option | Common Stock | $43.79 | April 1, 2015 | 10,700 | Disposed |
| April 26, 2011 | COST | Stock Option | Common Stock | $37.35 | April 1, 2014 | 17,500 | Disposed |
| Oct. 8, 2010 | COST | Stock Option | Common Stock | $38.79 | April 2, 2012 | 15,000 | Disposed |
| Oct. 8, 2010 | COST | Stock Option | Common Stock | $39.25 | April 2, 2012 | 22,500 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 7, 2016 | COST | Common Stock | 43,176 | Direct |
| March 15, 2010 | COST | Common Stock | 43,151 | Direct |
| March 15, 2010 | COST | Stock Option | 22,500 | Direct |
| March 15, 2010 | COST | Stock Option | 15,000 | Direct |
| March 15, 2010 | COST | Stock Option | 37,500 | Direct |
| March 15, 2010 | COST | Stock Option | 37,500 | Direct |