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 JS
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Detailed Insider History for:
COSTCO WHOLESALE CORP NEW: COST
Price: 9/12/25 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
$967.90 $1,078.23 $867.16 $429,241 444 2,093 0.5% 1.6% 72.46% 0.20%
Exch Sector Industry Sub-Industry
NasdaqGS Retail Trade General Merchandise Stores Retail- Variety Stores
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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
    
 
RUBANENKO YORAM
VP
JS
$1,669,599
1,746
---
9/10/25
---
$956.29
8,247
-17.5
D
R
9/12/25 - 5:56:14 pm
2
    
 
RUBANENKO YORAM
VP
JB
---
4,219
---
9/10/25
---
---
9,993
73.1
D
R
9/12/25 - 5:56:14 pm
3
    
 
RIEL PIERRE
VP
JS
$1,538,060
1,608
---
9/10/25
---
$956.29
11,256
-12.5
D
R
9/12/25 - 5:53:49 pm
4
    
 
RIEL PIERRE
VP
JB
---
4,654
---
9/10/25
---
---
12,864
56.7
D
R
9/12/25 - 5:53:49 pm
5
    
 
MILLER RUSSELL D
VP
JS
$1,659,244
1,735
---
9/10/25
---
$956.29
2,920
-37.3
D
R
9/12/25 - 5:51:16 pm
6
    
 
MILLER RUSSELL D
VP
JB
---
4,654
---
9/10/25
---
---
4,655
460,792.1
D
R
9/12/25 - 5:51:16 pm
7
    
 
KLAUER JAMES C
VP
JS
$916,400
958
---
9/10/25
---
$956.29
47,254
-2.0
D
R
9/12/25 - 5:45:57 pm
8
    
 
KLAUER JAMES C
VP
JB
---
4,219
---
9/10/25
---
---
48,213
9.6
D
R
9/12/25 - 5:45:57 pm
9
    
 
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
10
    
 
JONES TERESA A
VP
JB
---
4,219
---
9/10/25
---
---
6,581
178.6
D
R
9/12/25 - 5:43:19 pm
11
    
 
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
12
    
 
FRATES CATON
VP
JB
---
4,219
---
9/10/25
---
---
12,095
53.6
D
R
9/12/25 - 5:40:31 pm
13
    
 
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
14
    
 
CALLANS PATRICK J
VP
JB
---
4,219
---
9/10/25
---
---
62,761
7.2
D
R
9/12/25 - 5:36:45 pm
15
    
 
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
16
    
 
ADAMO CLAUDINE
VP
JB
---
4,219
---
9/10/25
---
---
11,206
60.4
D
R
9/12/25 - 5:33:41 pm
17
    
 
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
18
    
 
RAIKES JEFFREY S
DIR
JS
---
6,573
---
7/14/25
---
---
20,242
-24.5
D
---
7/15/25 - 4:13:44 pm
19
    
 
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
20
    
 
BARBRE TIFFANY MARIE
AO
3
---
---
---
7/1/25
---
---
4,819
---
D
R
7/10/25 - 4:27:05 pm
21
1y
27
0%
32%
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
22
    
 
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
23
    
 
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
24
1y
5
0%
32%
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
25
    
 
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
26
    
 
ADAMO CLAUDINE
VP
S
$830,304
900
---
3/24/25
---
$922.56
6,987
-11.4
D
---
3/25/25 - 5:13:21 pm
27
    
 
FRATES CATON
VP
S
$765,213
850
---
3/18/25
---
$900.25
7,876
-9.7
D
---
3/20/25 - 4:18:34 pm
28
1y
10
0%
27%
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
29
    
 
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
30
    
 
JELINEK W CRAIG
DIR
JS
---
2,017
---
12/19/24
---
---
204,365
-1.0
D
---
12/23/24 - 4:37:50 pm
31
    
 
RAIKES JEFFREY S
DIR
JS
---
3,969
---
12/16/24
---
---
26,815
-12.9
D
---
12/18/24 - 5:17:17 pm
32
    
 
DENMAN KENNETH D
DIR
JS
---
520
---
12/16/24
---
---
5,703
-8.4
D
---
12/18/24 - 5:13:49 pm
33
1y
63
10%
18%
1
GALANTI RICHARD A
VP,DIR
S
$1,267,280
1,416
---
10/24/24
---
$894.68
27,400
-4.9
D
---
10/24/24 - 8:00:24 pm
34
    
 
JONES TERESA A
VP
JS
$1,766,260
1,974
10/22/24
10/23/24
$893.49
$896.54
2,961
-40.0
D
R
10/24/24 - 7:45:12 pm
35
    
 
KLAUER JAMES C
VP
JS
$980,337
1,097
---
10/22/24
---
$893.49
47,994
-2.2
D
R
10/24/24 - 8:20:29 pm
36
    
 
VACHRIS ROLAND MICHAEL
PR,CEO,DIR
JS
$1,546,509
1,731
---
10/22/24
---
$893.49
44,677
-3.7
D
R
10/24/24 - 7:55:07 pm
37
    
 
VACHRIS ROLAND MICHAEL
PR,CEO,DIR
JB
---
19,148
---
10/22/24
---
---
46,408
70.2
D
R
10/24/24 - 7:55:07 pm
38
    
 
SULLIVAN JOHN CHRISTOPHER
VP
JS
$2,252,341
2,521
---
10/22/24
---
$893.49
45,531
-5.2
D
R
10/24/24 - 7:53:36 pm
39
    
 
SULLIVAN JOHN CHRISTOPHER
VP
JB
---
7,433
---
10/22/24
---
---
48,052
18.3
D
R
10/24/24 - 7:53:36 pm
40
    
 
POLIT JAVIER
VP
JS
$602,272
674
---
10/22/24
---
$893.49
9,746
-6.5
D
R
10/24/24 - 7:51:56 pm
41
    
 
POLIT JAVIER
VP
JB
---
6,737
---
10/22/24
---
---
10,420
182.9
D
R
10/24/24 - 7:51:56 pm
42
    
 
MILLERCHIP GARY
VP
JS
$279,709
313
---
10/22/24
---
$893.49
13,412
-2.3
D
R
10/24/24 - 7:49:29 pm
43
    
 
MILLERCHIP GARY
VP
JB
---
3,922
---
10/22/24
---
---
13,725
40.0
D
R
10/24/24 - 7:49:29 pm
44
    
 
FRATES CATON
VP
JS
$854,644
957
---
10/22/24
---
$893.49
8,726
-9.9
D
R
10/24/24 - 7:42:48 pm
45
    
 
CALLANS PATRICK J
VP
JS
$3,681,894
4,121
---
10/22/24
---
$893.49
61,543
-6.3
D
R
10/24/24 - 7:41:00 pm
46
    
 
ADAMO CLAUDINE
VP
JS
$663,938
743
---
10/22/24
---
$893.49
7,887
-8.6
D
R
10/24/24 - 7:39:31 pm
47
    
 
HINES DANIEL M
AO
JS
$852,772
954
---
10/22/24
---
$893.49
12,186
-7.3
D
R
10/24/24 - 5:39:39 pm
48
    
 
HINES DANIEL M
AO
JB
---
2,149
---
10/22/24
---
---
13,141
19.6
D
R
10/24/24 - 5:39:39 pm
49
    
 
WILDEROTTER MARY AGNES
DIR
JB
---
303
---
10/22/24
---
---
12,671
2.4
D
R
10/24/24 - 5:37:00 pm
50
    
 
STANTON JOHN W
DIR
JB
---
303
---
10/22/24
---
---
23,804
1.3
D
R
10/24/24 - 5:34:01 pm
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