Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 22 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

22 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 7, 2021 BX S 8,474 $134.45 $1,139,329 0 Indirect -100.00% Disposed -16.9% (price as of 2026-10-02)
Dec. 7, 2021 BX S 12,023 $134.45 $1,616,492 8,474 Indirect -58.66% Disposed -16.9% (price as of 2026-10-02)
Dec. 7, 2021 BX S 930,246 $134.45 $125,071,575 0 Indirect -100.00% Disposed -16.9% (price as of 2026-10-02)
Dec. 7, 2021 BX S 1,319,754 $134.45 $177,440,925 930,246 Indirect -58.66% Disposed -16.9% (price as of 2026-10-02)
Dec. 7, 2021 BX S 1,509,066 $134.45 $202,893,924 0 Indirect -100.00% Disposed -16.9% (price as of 2026-10-02)
Dec. 7, 2021 BX S 2,140,934 $134.45 $287,848,576 1,509,066 Indirect -58.66% Disposed -16.9% (price as of 2026-10-02)
Dec. 7, 2021 BX S 1,271,068 $134.45 $170,895,093 0 Direct -100.00% Disposed -16.9% (price as of 2026-10-02)
Dec. 7, 2021 BX S 1,803,281 $134.45 $242,451,130 1,271,068 Direct -58.66% Disposed -16.9% (price as of 2026-10-02)
May 20, 2021 BX S 40,714 $89.37 $3,638,610 0 Indirect -100.00% Disposed 25.0% (price as of 2026-10-02)
May 20, 2021 BX S 68,370 $89.37 $6,110,227 0 Indirect -100.00% Disposed 25.0% (price as of 2026-10-02)
May 20, 2021 BX S 59,126 $89.37 $5,284,091 0 Direct -100.00% Disposed 25.0% (price as of 2026-10-02)
May 19, 2021 BX S 6,475 $87.54 $566,822 40,714 Indirect -13.72% Disposed 27.7% (price as of 2026-10-02)
May 19, 2021 BX S 42,648 $87.14 $3,716,347 47,189 Indirect -47.47% Disposed 28.2% (price as of 2026-10-02)
May 19, 2021 BX S 14,553 $87.53 $1,273,824 68,370 Indirect -17.55% Disposed 27.7% (price as of 2026-10-02)
May 19, 2021 BX S 66,149 $87.12 $5,762,901 82,923 Indirect -44.37% Disposed 28.3% (price as of 2026-10-02)
May 19, 2021 BX S 12,744 $87.53 $1,115,482 59,126 Direct -17.73% Disposed 27.7% (price as of 2026-10-02)
May 19, 2021 BX S 57,431 $87.12 $5,003,389 71,870 Direct -44.42% Disposed 28.3% (price as of 2026-10-02)
May 18, 2021 BX S 22,945 $89.11 $2,044,629 89,837 Indirect -20.34% Disposed 25.4% (price as of 2026-10-02)
May 18, 2021 BX S 26,178 $88.46 $2,315,706 112,782 Indirect -18.84% Disposed 26.3% (price as of 2026-10-02)
May 18, 2021 BX S 38,643 $89.11 $3,443,478 149,072 Indirect -20.59% Disposed 25.4% (price as of 2026-10-02)
May 18, 2021 BX S 42,059 $88.45 $3,720,119 187,715 Indirect -18.30% Disposed 26.3% (price as of 2026-10-02)
May 18, 2021 BX S 33,437 $89.11 $2,979,571 129,301 Direct -20.55% Disposed 25.4% (price as of 2026-10-02)
May 18, 2021 BX S 36,738 $88.45 $3,249,476 162,738 Direct -18.42% Disposed 26.3% (price as of 2026-10-02)
May 17, 2021 BX S 49,123 $87.57 $4,301,701 138,960 Indirect -26.12% Disposed 27.6% (price as of 2026-10-02)
May 17, 2021 BX S 80,702 $87.51 $7,062,232 229,774 Indirect -25.99% Disposed 27.7% (price as of 2026-10-02)
May 17, 2021 BX S 70,175 $87.57 $6,145,225 199,476 Direct -26.02% Disposed 27.6% (price as of 2026-10-02)
May 14, 2021 BX S 49,123 $87.51 $4,298,754 188,083 Indirect -20.71% Disposed 27.7% (price as of 2026-10-02)
May 14, 2021 BX S 80,702 $87.51 $7,062,232 310,476 Indirect -20.63% Disposed 27.7% (price as of 2026-10-02)
May 14, 2021 BX S 70,175 $87.51 $6,141,014 269,651 Direct -20.65% Disposed 27.7% (price as of 2026-10-02)
May 13, 2021 BX S 4,052 $85.67 $347,135 237,206 Indirect -1.68% Disposed 30.4% (price as of 2026-10-02)
May 13, 2021 BX S 45,071 $85.21 $3,840,500 241,258 Indirect -15.74% Disposed 31.1% (price as of 2026-10-02)
May 13, 2021 BX S 7,404 $85.66 $634,227 391,178 Indirect -1.86% Disposed 30.5% (price as of 2026-10-02)
May 13, 2021 BX S 73,298 $85.20 $6,244,990 398,582 Indirect -15.53% Disposed 31.2% (price as of 2026-10-02)
May 13, 2021 BX S 6,648 $85.66 $569,468 339,826 Direct -1.92% Disposed 30.5% (price as of 2026-10-02)
May 13, 2021 BX S 63,527 $85.20 $5,412,500 346,474 Direct -15.49% Disposed 31.2% (price as of 2026-10-02)
May 12, 2021 BX S 2,600 $87.04 $226,304 286,329 Indirect -0.90% Disposed 28.4% (price as of 2026-10-02)
May 12, 2021 BX S 14,442 $86.39 $1,247,644 288,929 Indirect -4.76% Disposed 29.4% (price as of 2026-10-02)
May 12, 2021 BX S 5,621 $85.20 $478,909 303,371 Indirect -1.82% Disposed 31.2% (price as of 2026-10-02)
May 12, 2021 BX S 38,740 $84.33 $3,266,944 308,992 Indirect -11.14% Disposed 32.5% (price as of 2026-10-02)
May 12, 2021 BX S 4,470 $87.08 $389,248 471,880 Indirect -0.94% Disposed 28.3% (price as of 2026-10-02)
May 12, 2021 BX S 23,783 $86.39 $2,054,613 476,350 Indirect -4.76% Disposed 29.4% (price as of 2026-10-02)
May 12, 2021 BX S 9,515 $85.17 $810,393 500,133 Indirect -1.87% Disposed 31.2% (price as of 2026-10-02)
May 12, 2021 BX S 63,110 $84.33 $5,322,066 509,648 Indirect -11.02% Disposed 32.5% (price as of 2026-10-02)
May 12, 2021 BX S 3,806 $87.07 $331,388 410,001 Direct -0.92% Disposed 28.3% (price as of 2026-10-02)
May 12, 2021 BX S 20,608 $86.40 $1,780,531 413,807 Direct -4.74% Disposed 29.3% (price as of 2026-10-02)
May 12, 2021 BX S 8,200 $85.19 $698,558 434,415 Direct -1.85% Disposed 31.2% (price as of 2026-10-02)
May 12, 2021 BX S 55,105 $84.33 $4,647,005 442,615 Direct -11.07% Disposed 32.5% (price as of 2026-10-02)
May 11, 2021 BX S 83,796 $87.71 $7,349,747 519,187 Direct -13.90% Disposed 27.4% (price as of 2026-10-02)
May 11, 2021 BX S 21,467 $88.07 $1,890,599 497,720 Direct -4.13% Disposed 26.9% (price as of 2026-10-02)
May 11, 2021 BX S 84,742 $87.68 $7,430,179 609,069 Indirect -12.21% Disposed 27.5% (price as of 2026-10-02)
May 11, 2021 BX S 36,311 $88.01 $3,195,731 572,758 Indirect -5.96% Disposed 27.0% (price as of 2026-10-02)
May 11, 2021 BX S 52,143 $87.69 $4,572,420 369,273 Indirect -12.37% Disposed 27.4% (price as of 2026-10-02)
May 11, 2021 BX S 21,541 $88.02 $1,896,039 347,732 Indirect -5.83% Disposed 27.0% (price as of 2026-10-02)
May 10, 2021 BX S 34,607 $88.76 $3,071,717 658,375 Direct -4.99% Disposed 25.9% (price as of 2026-10-02)
May 10, 2021 BX S 41,399 $89.72 $3,714,318 616,976 Direct -6.29% Disposed 24.6% (price as of 2026-10-02)
May 10, 2021 BX S 26,139 $88.79 $2,320,882 458,950 Indirect -5.39% Disposed 25.9% (price as of 2026-10-02)
May 10, 2021 BX S 31,063 $89.81 $2,789,768 427,887 Indirect -6.77% Disposed 24.4% (price as of 2026-10-02)
May 10, 2021 BX S 6,471 $90.49 $585,561 421,416 Indirect -1.51% Disposed 23.5% (price as of 2026-10-02)
May 10, 2021 BX S 5,814 $90.56 $526,516 693,811 Indirect -0.83% Disposed 23.4% (price as of 2026-10-02)
May 10, 2021 BX S 48,494 $89.92 $4,360,580 699,625 Indirect -6.48% Disposed 24.3% (price as of 2026-10-02)
May 10, 2021 BX S 48,810 $88.88 $4,338,233 748,119 Indirect -6.12% Disposed 25.7% (price as of 2026-10-02)
May 10, 2021 BX S 13,993 $90.43 $1,265,387 602,983 Direct -2.27% Disposed 23.6% (price as of 2026-10-02)
May 7, 2021 BX S 161,404 $90.24 $14,565,097 796,929 Indirect -16.84% Disposed 23.8% (price as of 2026-10-02)
May 7, 2021 BX S 98,245 $90.25 $8,866,611 485,089 Indirect -16.84% Disposed 23.8% (price as of 2026-10-02)
May 7, 2021 BX S 140,351 $90.24 $12,665,274 692,982 Direct -16.84% Disposed 23.8% (price as of 2026-10-02)
May 6, 2021 BX S 6,078 $88.27 $536,505 583,334 Indirect -1.03% Disposed 26.6% (price as of 2026-10-02)
May 6, 2021 BX S 55,325 $87.92 $4,864,174 589,412 Indirect -8.58% Disposed 27.1% (price as of 2026-10-02)
May 6, 2021 BX S 9,626 $88.27 $849,687 958,333 Indirect -0.99% Disposed 26.6% (price as of 2026-10-02)
May 6, 2021 BX S 91,251 $87.92 $8,022,788 967,959 Indirect -8.62% Disposed 27.1% (price as of 2026-10-02)
May 6, 2021 BX S 8,466 $88.27 $747,294 833,333 Direct -1.01% Disposed 26.6% (price as of 2026-10-02)
May 6, 2021 BX S 79,254 $87.92 $6,968,012 841,799 Direct -8.60% Disposed 27.1% (price as of 2026-10-02)
May 5, 2021 BX S 55,263 $88.34 $4,881,933 644,737 Indirect -7.89% Disposed 26.5% (price as of 2026-10-02)
May 5, 2021 BX S 90,790 $88.34 $8,020,389 1,059,210 Indirect -7.89% Disposed 26.5% (price as of 2026-10-02)
May 5, 2021 BX S 78,947 $88.34 $6,974,178 921,053 Direct -7.89% Disposed 26.5% (price as of 2026-10-02)
Nov. 13, 2019 BX S 108,103 $52.56 $5,681,894 0 Indirect -100.00% Disposed 112.6% (price as of 2026-10-02)
Nov. 12, 2019 BX S 357,999 $51.89 $18,576,568 108,103 Indirect -76.81% Disposed 115.4% (price as of 2026-10-02)
Nov. 11, 2019 BX S 120,156 $51.87 $6,232,492 466,102 Indirect -20.50% Disposed 115.4% (price as of 2026-10-02)
Nov. 8, 2019 BX S 360,042 $51.65 $18,596,169 586,258 Indirect -38.05% Disposed 116.4% (price as of 2026-10-02)

Showing latest 100 of 218 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Dec. 3, 2021 BX Blackstone Holdings partnership units Common Stock (2,250,000) · · 2,250,000 Disposed
Dec. 3, 2021 BX Blackstone Holdings partnership units Common Stock (3,650,000) · · 3,650,000 Disposed
Dec. 3, 2021 BX Blackstone Holdings partnership units Common Stock (3,074,349) · · 3,074,349 Disposed
April 30, 2021 BX Blackstone Holdings partnership units Common Stock (1,000,000) · · 1,000,000 Disposed
Feb. 9, 2021 BX Blackstone Holdings partnership units Class A Common Stock (700,000) · · 700,000 Disposed
Feb. 9, 2021 BX Blackstone Holdings partnership units Class A Common Stock (1,150,000) · · 1,150,000 Disposed
Feb. 9, 2021 BX Blackstone Holdings partnership units Class A Common Stock (1,000,000) · · 1,000,000 Disposed
Nov. 5, 2019 BX Blackstone Holdings partnership units Class A Common Stock (1,500,000) · · 1,500,000 Disposed
Oct. 30, 2018 BX Blackstone Holdings partnership units Common units representing limited partner interests (1,000,000) · · 1,000,000 Disposed
Aug. 13, 2018 BX Blackstone Holdings partnership units Common units representing limited partner interests (3,822,735) · · 3,822,735 Disposed
Aug. 13, 2018 BX Blackstone Holdings partnership units Common units representing limited partner interests (3,822,735) · · 3,822,735 Acquired
May 1, 2018 BX Blackstone Holdings partnership units Common units representing limited partner interests (800,000) · · 800,000 Disposed
Feb. 10, 2015 BX Blackstone Holdings partnership units [F4] Common units representing limited partner interests (2,000,000) · · 2,000,000 Disposed
Aug. 11, 2014 COST Stock Option Common Stock (12,915) $40.69 April 1, 2015 12,915 Disposed
Feb. 10, 2014 BX Blackstone Holdings partnership units [F3] Common units representing limited partner interests (2,000,000) · · 2,000,000 Disposed
Nov. 1, 2013 COST Stock Option Common Stock (12,915) $34.71 April 1, 2014 12,915 Disposed
Dec. 18, 2012 COST Stock Option Common Stock (12,915) $28.26 April 1, 2013 12,915 Disposed
Dec. 12, 2012 COST Stock Option Common Stock (12,915) · April 1, 2015 12,915 Acquired
Dec. 12, 2012 COST Stock Option Common Stock (12,915) · April 1, 2014 12,915 Acquired
Dec. 12, 2012 COST Stock Option Common Stock (12,915) · April 1, 2013 12,915 Acquired
April 25, 2012 BX Blackstone Holdings partnership units [F1] Common units representing limited partner interests (566,588) · · 566,588 Disposed
April 25, 2012 BX Blackstone Holdings partnership units [F1] Common units representing limited partner interests (1,933,412) · · 1,933,412 Disposed
Jan. 18, 2012 COST Stock Option Common Stock (12,000) $39.65 April 1, 2012 12,000 Disposed
April 28, 2011 BX Blackstone Holdings Partnership units [F2] Common units representing limited partnership interests (27,456) · · 27,456 Disposed
Feb. 9, 2011 BX Blackstone Holdings partnership units [F1] Common units representing limited partnership interests (63,955) · · 63,955 Disposed
Feb. 9, 2011 BX Blackstone Holdings partnership units [F1] Common units representing limited partnership interests (24,045) · · 24,045 Disposed
Jan. 13, 2011 COST Stock Option Common Stock (12,000) $36.19 April 2, 2011 12,000 Disposed
Dec. 29, 2010 BX Blackstone Holdings partnership units [F1] Common units representing limited partnership interests (3,500,000) · · 3,500,000 Disposed
Dec. 15, 2010 BX Blackstone Holdings partnership units [F2] Common units representing limited partnership interests (10,000,000) · · 10,000,000 Disposed
May 28, 2010 BX Blackstone Holdings partnership units [F1] Common units representing limited partnership interests (110,435) · · 110,435 Disposed
March 3, 2010 BX Blackstone Holdings partnership units [F1] Common units representing limited partnership interests (110,436) · · 110,436 Disposed
Jan. 25, 2010 COST Stock Option Common Stock (12,000) $52.50 April 3, 2010 12,000 Disposed
Nov. 11, 2009 BX Blackstone Holdings partnership units [F2] Common units representing limited partnership interests (4,500,000) · · 4,500,000 Disposed
Aug. 12, 2009 BX Blackstone Holdings partnership units [F2] Common units representing limited partnership interests (70,000) · · 70,000 Disposed
April 1, 2008 COST Stock Option Common Stock (16,000) $44.97 April 1, 2009 16,000 Disposed
March 12, 2008 COST Stock Option Common Stock (16,000) $27.12 April 1, 2008 16,000 Disposed
April 1, 2005 COST Stock Option Common Stock (12,000) $43.79 April 1, 2015 12,000 Acquired
March 4, 2005 COST Stock Option Common Stock (16,000) $14.06 April 1, 2007 16,000 Disposed
April 1, 2004 COST Stock Option Common Stock (12,000) $37.35 March 31, 2014 12,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
June 21, 2007 BX Blackstone Holdings partnership units→ Common Units representing limited partnership interests (44,873,267) 44,873,267 Direct
June 21, 2007 BX Blackstone Holdings partnership units→ Common Units representing limited partnership interests (7,723,795) 7,723,795 Indirect