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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
COSTCO WHOLESALE CORP NEW: COST
Price: 11/6/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$1,053.56 $1,096.50 $844.06 $466,863 443 2,175 0.6% 1.7% 74.51% 0.09%
Exch Sector Industry Sub-Industry
NasdaqGS Retail Trade General Merchandise Stores Retail- Variety Stores
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
JONES TERESA A
VP
JS
$1,437,611
1,503
---
9/10/25
---
$956.29
5,078
-22.8
D
R
9/12/25 - 5:43:19 pm
2
    
 
JONES TERESA A
VP
JB
---
4,219
---
9/10/25
---
---
6,581
178.6
D
R
9/12/25 - 5:43:19 pm
3
    
 
FRATES CATON
VP
JS
$1,215,519
1,271
---
9/10/25
---
$956.29
10,824
-10.5
D
R
9/12/25 - 5:40:31 pm
4
    
 
FRATES CATON
VP
JB
---
4,219
---
9/10/25
---
---
12,095
53.6
D
R
9/12/25 - 5:40:31 pm
5
    
 
CALLANS PATRICK J
VP
JS
$908,156
950
---
9/10/25
---
$956.29
61,812
-1.5
D
R
9/12/25 - 5:36:45 pm
6
    
 
CALLANS PATRICK J
VP
JB
---
4,219
---
9/10/25
---
---
62,761
7.2
D
R
9/12/25 - 5:36:45 pm
7
    
 
ADAMO CLAUDINE
VP
JS
$908,156
950
---
9/10/25
---
$956.29
10,256
-8.5
D
R
9/12/25 - 5:33:41 pm
8
    
 
ADAMO CLAUDINE
VP
JB
---
4,219
---
9/10/25
---
---
11,206
60.4
D
R
9/12/25 - 5:33:41 pm
9
    
 
JONES TERESA A
VP
S
$595,230
600
---
8/20/25
---
$992.05
2,362
-20.3
D
---
8/22/25 - 5:26:08 pm
10
    
 
RAIKES JEFFREY S
DIR
JS
---
6,573
---
7/14/25
---
---
20,242
-24.5
D
---
7/15/25 - 4:13:44 pm
11
    
 
RUBANENKO YORAM
VP
S
$3,899,852
4,000
---
7/14/25
---
$974.96
5,774
-40.9
D
---
7/15/25 - 4:10:22 pm
12
    
 
BARBRE TIFFANY MARIE
AO
3
---
---
---
7/1/25
---
---
4,819
---
D
R
7/10/25 - 4:27:05 pm
13
1y
28
4%
31%
2
DECKER SUSAN L
DIR
S
$536,058
547
---
6/18/25
---
$978.39
11,531
-4.5
D
---
6/20/25 - 4:40:26 pm
14
    
 
CALLANS PATRICK J
VP
S
$3,008,298
3,000
---
6/9/25
---
$1,002.77
58,543
-4.9
D
---
6/10/25 - 4:52:18 pm
15
    
 
RIEL PIERRE
VP
S
$2,028,294
2,000
---
6/6/25
---
$1,014.15
8,210
-19.6
D
---
6/9/25 - 4:21:50 pm
16
1y
6
0%
28%
1
KLAUER JAMES C
VP
S
$3,924,280
4,000
---
4/17/25
---
$981.07
43,994
-8.3
D
---
4/21/25 - 4:33:06 pm
17
    
 
MILLERCHIP GARY
VP
S
$1,034,007
1,100
---
3/27/25
---
$940.01
11,165
-9.0
D
---
3/27/25 - 5:24:33 pm
18
    
 
ADAMO CLAUDINE
VP
S
$830,304
900
---
3/24/25
---
$922.56
6,987
-11.4
D
---
3/25/25 - 5:13:21 pm
19
    
 
FRATES CATON
VP
S
$765,213
850
---
3/18/25
---
$900.25
7,876
-9.7
D
---
3/20/25 - 4:18:34 pm
20
1y
11
0%
26%
1
VACHRIS ROLAND MICHAEL
PR,CEO,DIR
S
$3,351,600
3,600
---
3/11/25
---
$931.00
41,077
-8.1
D
---
3/13/25 - 5:16:29 pm
21
    
 
MILLERCHIP GARY
VP
JS
$1,067,509
1,147
---
3/11/25
---
$930.49
12,265
-8.6
D
R
3/13/25 - 5:14:04 pm
22
    
 
JELINEK W CRAIG
DIR
JS
---
2,017
---
12/19/24
---
---
204,365
-1.0
D
---
12/23/24 - 4:37:50 pm
23
    
 
RAIKES JEFFREY S
DIR
JS
---
3,969
---
12/16/24
---
---
26,815
-12.9
D
---
12/18/24 - 5:17:17 pm
24
    
 
DENMAN KENNETH D
DIR
JS
---
520
---
12/16/24
---
---
5,703
-8.4
D
---
12/18/24 - 5:13:49 pm
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