Insider Transactions in Q4 2025 at Costco Wholesale Corp (COST)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
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%
|
-
|