Insider Transactions Reported by 33 Insiders of COSTCO WHOLESALE CORP /NEW

Symbol
COST on Nasdaq
Location
Issaquah, WA

Insiders trading volume in the past year

COSTCO WHOLESALE CORP /NEW executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
W. CRAIG JELINEK Director $317,067,560 19 Dec 2024
MUNGER CHARLES T. Director $128,728,173 22 Oct 2023
Patrick J. Callans Executive Vice President $57,525,871 -$3,008,298 -5% 22 Oct 2025
RICHARD M. LIBENSON Director, Director Emeritus $55,258,682 22 Oct 2021
HAMILTON E. JAMES Director $52,472,976 22 Oct 2025
Roland Michael Vachris President and CEO, Director $49,367,146 22 Oct 2025
John Christopher Sullivan Executive VP $45,033,983 22 Oct 2025
James C. Klauer Executive Vice President $42,186,877 -$5,332,780 -11% 14 Jan 2026
RICHARD A. GALANTI Executive Vice President, Director $31,426,536 24 Oct 2024
James P. Murphy Executive VP $26,051,011 12 Dec 2022
JOHN W. STANTON Director $22,688,981 22 Oct 2025
Timothy L. Rose Executive VP $22,652,904 12 Sep 2022
PAUL G. MOULTON Executive VP $19,777,477 14 Sep 2021
GARY MILLERCHIP Executive Vice President $15,699,942 -$1,034,007 -6.2% 22 Oct 2025
Mary Agnes Wilderotter Director $11,993,327 22 Oct 2025
Daniel M. Hines Principal Acctg Officer $11,602,939 22 Oct 2024
Pierre Riel Executive Vice President $10,763,890 -$2,028,294 -16% 10 Sep 2025
JEFFREY S. RAIKES Director $9,738,351 27 Jan 2026
JOSEPH P. PORTERA Executive VP $9,449,399 14 Sep 2021
JAVIER POLIT Executive Vice President $8,792,547 -$2,258,662 -20% 29 Dec 2025
SUSAN L. DECKER Director $8,147,998 -$973,448 -11% 16 Jan 2026
Yoram Rubanenko Executive Vice President $7,886,637 -$3,899,852 -33% 10 Sep 2025
Russell D. Miller Sr. Executive Vice President $7,551,273 -$4,468,095 -37% 09 Jan 2026
Caton Frates Executive Vice President $6,154,593 -$2,166,643 -26% 22 Oct 2025
Claudine Adamo Executive Vice President $6,139,687 -$4,088,845 -40% 09 Mar 2026
KENNETH D. DENMAN Director $5,144,326 19 Dec 2025
Tiffany Marie Barbre Principal Accounting Officer $4,820,401 -$1,158,353 -19% 22 Oct 2025
Teresa A. Jones Executive Vice President $3,387,102 -$1,433,548 -30% 27 Jan 2026
SARAH MR SALLY JEWELL Director $3,344,241 22 Oct 2025
Sarah Catherine George Executive Vice President $2,041,053 02 Mar 2026
William Richard Wilcox Executive Vice President $1,860,260 -$2,232,312 -55% 07 Nov 2025
Helena Foulkes Director $1,042,075 22 Oct 2025
Gina Marie Raimondo Director $185,403 16 Jan 2026

Recent Insider Transactions by Companies or Individuals for COSTCO WHOLESALE CORP /NEW

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Claudine Adamo COST Common Stock Sale -10.7% $732,205 $1003.02 -730 6,121 09 Mar 2026 Direct
Teresa A. Jones COST Common Stock Gift -7.1% -300 3,928 27 Jan 2026 Direct
JEFFREY S. RAIKES COST Common Stock Gift -31.2% -5,115 11,293 27 Jan 2026 Direct
Teresa A. Jones COST Common Stock Sale -16.7% $838,318 $986.26 -850 4,228 21 Jan 2026 Direct
SUSAN L. DECKER COST Common Stock Sale -5.09% $437,390 $955.00 -458 8,532 16 Jan 2026 Direct
Gina Marie Raimondo COST Common Stock Award 215 215 16 Jan 2026 Direct
James C. Klauer COST Common Stock Sale -3.24% $1,408,500 $939.00 -1,500 44,837 14 Jan 2026 Direct
Russell D. Miller COST Common Stock Sale -15.4% $1,374,480 $916.32 -1,500 8,240 09 Jan 2026 Miller Family Trust
JAVIER POLIT COST Common Stock Sale -5.19% $481,759 $862.90 -558 10,190 30 Dec 2025 Direct
JAVIER POLIT COST Common Stock Sale -16% $1,776,904 $867.21 -2,049 10,748 29 Dec 2025 Direct
KENNETH D. DENMAN COST Common Stock Gift -5.43% -325 5,664 19 Dec 2025 Direct
SUSAN L. DECKER COST Common Stock Gift -23.9% -2,827 8,990 15 Dec 2025 Direct
JEFFREY S. RAIKES COST Common Stock Gift -20.1% -4,120 16,408 10 Nov 2025 Direct
William Richard Wilcox COST Common Stock Sale -54.6% $2,232,312 $930.13 -2,400 2,000 07 Nov 2025 Direct
Tiffany Marie Barbre COST Common Stock Sale -19.4% $1,158,353 $934.62 -1,239 5,155 24 Oct 2025 Direct
Claudine Adamo COST Common Stock Sale -28.3% $2,526,336 $935.68 -2,700 6,851 24 Oct 2025 Direct
Tiffany Marie Barbre COST Common Stock Tax liability -7.82% -542 6,395 22 Oct 2025 Direct
Tiffany Marie Barbre COST Common Stock Award 44% 2,118 6,937 22 Oct 2025 Direct
Roland Michael Vachris COST Common Stock Tax liability -4.83% -2,653 52,258 22 Oct 2025 Direct
Roland Michael Vachris COST Common Stock Award 33.7% 13,834 54,911 22 Oct 2025 Direct
John Christopher Sullivan COST Common Stock Tax liability -5.01% -2,514 47,671 22 Oct 2025 Direct
John Christopher Sullivan COST Common Stock Award 10.2% 4,654 50,185 22 Oct 2025 Direct
JAVIER POLIT COST Common Stock Tax liability -8.37% -1,168 12,797 22 Oct 2025 Direct
JAVIER POLIT COST Common Stock Award 43.3% 4,219 13,965 22 Oct 2025 Direct
GARY MILLERCHIP COST Common Stock Tax liability -4.67% -813 16,619 22 Oct 2025 Direct
GARY MILLERCHIP COST Common Stock Award 56.1% 6,268 17,433 22 Oct 2025 Direct
James C. Klauer COST Common Stock Tax liability -1.94% -917 46,337 22 Oct 2025 Direct
Caton Frates COST Common Stock Tax liability -29.8% -2,769 6,515 22 Oct 2025 Direct
Patrick J. Callans COST Common Stock Tax liability -1.48% -917 60,895 22 Oct 2025 Direct
Claudine Adamo COST Common Stock Tax liability -6.87% -705 9,551 22 Oct 2025 Direct
JOHN W. STANTON COST Common Stock Award 1.2% 286 24,090 22 Oct 2025 Direct
Mary Agnes Wilderotter COST Common Stock Award 9.8% 286 3,205 22 Oct 2025 Direct
JEFFREY S. RAIKES COST Common Stock Award 1.41% 286 20,528 22 Oct 2025 Direct
SARAH MR SALLY JEWELL COST Common Stock Award 8.6% 286 3,613 22 Oct 2025 Direct
HAMILTON E. JAMES COST Common Stock Award 0.52% 286 55,538 22 Oct 2025 Direct
Helena Foulkes COST Common Stock Award 35.7% 286 1,087 22 Oct 2025 Direct
KENNETH D. DENMAN COST Common Stock Award 5.01% 286 5,989 22 Oct 2025 Direct
SUSAN L. DECKER COST Common Stock Award 2.48% 286 11,817 22 Oct 2025 Direct
Russell D. Miller COST Common Stock Sale -25.8% $3,093,615 $915.00 -3,381 9,740 29 Sep 2025 Miller Family Trust
Caton Frates COST Common Stock Sale -14.2% $1,401,431 $910.02 -1,540 9,284 29 Sep 2025 Direct
Russell D. Miller COST Common Stock Gift 28.6% 2,918 13,120 23 Sep 2025 Miller Family Trust
Russell D. Miller COST Common Stock Gift -99.9% -2,918 2 23 Sep 2025 Direct
Yoram Rubanenko COST Common Stock Tax liability -17.5% -1,746 8,247 10 Sep 2025 Direct
Yoram Rubanenko COST Common Stock Award 73.1% 4,219 9,993 10 Sep 2025 Direct
Pierre Riel COST Common Stock Tax liability -12.5% -1,608 11,256 10 Sep 2025 Direct
Pierre Riel COST Common Stock Award 56.7% 4,654 12,864 10 Sep 2025 Direct
Russell D. Miller COST Common Stock Tax liability -37.3% -1,735 2,920 10 Sep 2025 Direct
Russell D. Miller COST Common Stock Award 460792.1% 4,654 4,655 10 Sep 2025 Direct
James C. Klauer COST Common Stock Tax liability -1.99% -958 47,254 10 Sep 2025 Direct
James C. Klauer COST Common Stock Award 9.59% 4,219 48,213 10 Sep 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.