Insider Transactions in Q3 2025 at Costco Wholesale Corp (COST)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
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%
|
-
|
|
Aug 20
2025
|
Teresa A. Jones Executive Vice President |
SELL
Open market or private sale
|
Direct |
600
-20.26%
|
$595,200
$992.05 P/Share
|
|
Jul 14
2025
|
Yoram Rubananko Executive Vice President |
SELL
Open market or private sale
|
Direct |
4,000
-40.92%
|
$3,896,000
$974.96 P/Share
|
|
Jul 14
2025
|
Jeffrey S Raikes Director |
SELL
Bona fide gift
|
Direct |
6,573
-24.51%
|
-
|