Latest Insider Transactions at Costco Wholesale Corp (COST)
This section provides a real-time view of insider transactions for Costco Wholesale Corp (COST). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of COSTCO WHOLESALE CORP to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of COSTCO WHOLESALE CORP 's insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 19
2025
|
Kenneth D Denman Director |
SELL
Bona fide gift
|
Direct |
325
-5.43%
|
-
|
|
Dec 15
2025
|
Susan L Decker Director |
SELL
Bona fide gift
|
Direct |
2,827
-23.93%
|
-
|
|
Nov 10
2025
|
Jeffrey S Raikes Director |
SELL
Bona fide gift
|
Direct |
4,120
-20.07%
|
-
|
|
Nov 07
2025
|
William Richard Wilcox Executive Vice President |
SELL
Open market or private sale
|
Direct |
2,400
-54.55%
|
$2,232,000
$930.13 P/Share
|
|
Oct 24
2025
|
Tiffany Marie Barbre |
SELL
Open market or private sale
|
Direct |
1,239
-19.38%
|
$1,157,226
$934.62 P/Share
|
|
Oct 24
2025
|
Claudine Adamo Executive Vice President |
SELL
Open market or private sale
|
Direct |
2,700
-28.27%
|
$2,524,500
$935.68 P/Share
|
|
Oct 22
2025
|
Tiffany Marie Barbre |
SELL
Payment of exercise price or tax liability
|
Direct |
540
-1.61%
|
$509,760
$944.68 P/Share
|
|
Oct 22
2025
|
Tiffany Marie Barbre |
BUY
Grant, award, or other acquisition
|
Direct |
2,118
+23.39%
|
-
|
|
Oct 22
2025
|
John Christopher Sullivan Executive VP |
SELL
Payment of exercise price or tax liability
|
Direct |
2,510
-1.02%
|
$2,369,440
$944.68 P/Share
|
|
Oct 22
2025
|
John Christopher Sullivan Executive VP |
BUY
Grant, award, or other acquisition
|
Direct |
4,654
+8.49%
|
-
|
|
Oct 22
2025
|
Roland Michael Vachris President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
2,652
-2.44%
|
$2,503,488
$944.68 P/Share
|
|
Oct 22
2025
|
Roland Michael Vachris President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
13,834
+20.12%
|
-
|
|
Oct 22
2025
|
Javier Polit Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
1,166
-2.86%
|
$1,100,704
$944.68 P/Share
|
|
Oct 22
2025
|
Javier Polit Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,219
+23.2%
|
-
|
|
Oct 22
2025
|
James C Klauer Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
914
-0.39%
|
$862,816
$944.68 P/Share
|
|
Oct 22
2025
|
Gary Millerchip Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
813
-2.36%
|
$767,472
$944.68 P/Share
|
|
Oct 22
2025
|
Gary Millerchip Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
6,268
+26.45%
|
-
|
|
Oct 22
2025
|
Caton Frates Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
2,766
-6.75%
|
$2,611,104
$944.68 P/Share
|
|
Oct 22
2025
|
Claudine Adamo Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
701
-1.41%
|
$661,744
$944.68 P/Share
|
|
Oct 22
2025
|
Patrick J Callans Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
914
-0.3%
|
$862,816
$944.68 P/Share
|
|
Oct 22
2025
|
John W Stanton Director |
BUY
Grant, award, or other acquisition
|
Direct |
286
+1.17%
|
-
|
|
Oct 22
2025
|
Jeffrey S Raikes Director |
BUY
Grant, award, or other acquisition
|
Direct |
286
+1.37%
|
-
|
|
Oct 22
2025
|
Mary Agnes Wilderotter Director |
BUY
Grant, award, or other acquisition
|
Direct |
286
+8.19%
|
-
|
|
Oct 22
2025
|
Hamilton E James Director |
BUY
Grant, award, or other acquisition
|
Direct |
286
+0.51%
|
-
|
|
Oct 22
2025
|
Sarah Mr Sally Jewell Director |
BUY
Grant, award, or other acquisition
|
Direct |
286
+7.34%
|
-
|
|
Oct 22
2025
|
Kenneth D Denman Director |
BUY
Grant, award, or other acquisition
|
Direct |
286
+4.56%
|
-
|
|
Oct 22
2025
|
Helena Foulkes Director |
BUY
Grant, award, or other acquisition
|
Direct |
286
+20.85%
|
-
|
|
Oct 22
2025
|
Susan L Decker Director |
BUY
Grant, award, or other acquisition
|
Direct |
286
+2.36%
|
-
|
|
Sep 29
2025
|
Russell D Miller Sr. Executive Vice President |
SELL
Open market or private sale
|
Indirect |
3,381
-25.77%
|
$3,093,615
$915.0 P/Share
|
|
Sep 29
2025
|
Caton Frates Executive Vice President |
SELL
Open market or private sale
|
Direct |
1,540
-14.23%
|
$1,401,400
$910.02 P/Share
|
|
Sep 23
2025
|
Russell D Miller Sr. Executive Vice President |
BUY
Bona fide gift
|
Indirect |
2,918
+18.19%
|
-
|
|
Sep 23
2025
|
Russell D Miller Sr. Executive Vice President |
SELL
Bona fide gift
|
Direct |
2,918
-99.97%
|
-
|
|
Sep 10
2025
|
Yoram Rubananko Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
1,745
-17.46%
|
$1,668,220
$956.29 P/Share
|
|
Sep 10
2025
|
Yoram Rubananko Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,219
+29.69%
|
-
|
|
Sep 10
2025
|
Russell D Miller Sr. Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
1,735
-37.28%
|
$1,658,660
$956.29 P/Share
|
|
Sep 10
2025
|
Russell D Miller Sr. Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,654
+49.99%
|
-
|
|
Sep 10
2025
|
Pierre Riel Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
1,608
-12.5%
|
$1,537,248
$956.29 P/Share
|
|
Sep 10
2025
|
Pierre Riel Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,654
+26.57%
|
-
|
|
Sep 10
2025
|
James C Klauer Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
958
-1.99%
|
$915,848
$956.29 P/Share
|
|
Sep 10
2025
|
James C Klauer Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,219
+8.05%
|
-
|
|
Sep 10
2025
|
Caton Frates Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
1,271
-10.51%
|
$1,215,076
$956.29 P/Share
|
|
Sep 10
2025
|
Caton Frates Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,219
+25.86%
|
-
|
|
Sep 10
2025
|
Teresa A. Jones Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
1,503
-22.84%
|
$1,436,868
$956.29 P/Share
|
|
Sep 10
2025
|
Teresa A. Jones Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,219
+39.06%
|
-
|
|
Sep 10
2025
|
Patrick J Callans Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
949
-1.51%
|
$907,244
$956.29 P/Share
|
|
Sep 10
2025
|
Patrick J Callans Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,219
+6.3%
|
-
|
|
Sep 10
2025
|
Claudine Adamo Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
949
-8.47%
|
$907,244
$956.29 P/Share
|
|
Sep 10
2025
|
Claudine Adamo Executive Vice President |
BUY
Grant, award, or other acquisition
|
Direct |
4,219
+27.35%
|
-
|
|
Sep 02
2025
|
John W Stanton Director |
BUY
Bona fide gift
|
Indirect |
211
+50.0%
|
-
|
|
Sep 02
2025
|
John W Stanton Director |
SELL
Bona fide gift
|
Indirect |
211
-50.0%
|
-
|