COST
COSTCO WHOLESALE CORP /NEW
NASDAQ · Consumer Defensive · Discount Stores · US
$1,019.26
−2.05%0
Insider buys (3m)
3
Insider sells (3m)
-$3.8M
Net value (3m)
+8.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 27, 2026 | Sullivan John Christopher · officer: Executive VP | F-InKind | 975 | $1.0K |
| Oct 27, 2026 | Self Adam Webb · officer: Executive Vice President | F-InKind | 62 | $1.0K |
| Oct 27, 2026 | Self Adam Webb · officer: Executive Vice President | F-InKind | 57 | $1.0K |
| Oct 27, 2026 | Sullivan John Christopher · officer: Executive VP | F-InKind | 732 | $1.0K |
| Oct 27, 2026 | POLIT JAVIER · officer: Executive Vice President | F-InKind | 549 | $1.0K |
| Oct 27, 2026 | Sullivan John Christopher · officer: Executive VP | F-InKind | 573 | $1.0K |
| Oct 27, 2026 | POLIT JAVIER · officer: Executive Vice President | F-InKind | 294 | $1.0K |
| Oct 27, 2026 | POLIT JAVIER · officer: Executive Vice President | F-InKind | 337 | $1.0K |
| Oct 27, 2026 | Self Adam Webb · officer: Executive Vice President | F-InKind | 64 | $1.0K |
| Oct 27, 2026 | POLIT JAVIER · officer: Executive Vice President | A-Award | 4,129 | $0.00 |
| Oct 27, 2026 | Self Adam Webb · officer: Executive Vice President | F-InKind | 36 | $1.0K |
| Oct 27, 2026 | Sullivan John Christopher · officer: Executive VP | F-InKind | 647 | $1.0K |
| Oct 27, 2026 | Self Adam Webb · officer: Executive Vice President | F-InKind | 41 | $1.0K |
| Oct 27, 2026 | Sullivan John Christopher · officer: Executive VP | A-Award | 4,552 | $0.00 |
| Oct 27, 2026 | POLIT JAVIER · officer: Executive Vice President | F-InKind | 391 | $1.0K |
| Oct 27, 2026 | Sullivan John Christopher · officer: Executive VP | F-InKind | 836 | $1.0K |
| Oct 26, 2026 | Klauer James C · officer: Executive Vice President | F-InKind | 443 | $1.0K |
| Oct 26, 2026 | Klauer James C · officer: Executive Vice President | F-InKind | 191 | $1.0K |
| Oct 26, 2026 | Barbre Tiffany Marie · other: Principal Accounting Officer | A-Award | 1,965 | $0.00 |
| Oct 26, 2026 | Foulkes Helena · director | A-Award | 266 | $0.00 |
| Oct 26, 2026 | Barbre Tiffany Marie · other: Principal Accounting Officer | F-InKind | 102 | $1.0K |
| Oct 26, 2026 | Klauer James C · officer: Executive Vice President | F-InKind | 530 | $1.0K |
| Oct 26, 2026 | Vachris Roland Michael · director, officer: President and CEO | A-Award | 13,973 | $0.00 |
| Oct 26, 2026 | Barbre Tiffany Marie · other: Principal Accounting Officer | F-InKind | 166 | $1.0K |
| Oct 26, 2026 | Wilderotter Mary Agnes · director | A-Award | 266 | $0.00 |
| Oct 26, 2026 | George Sarah Catherine · officer: Executive Vice President | F-InKind | 47 | $1.0K |
| Oct 26, 2026 | Vachris Roland Michael · director, officer: President and CEO | F-InKind | 1,131 | $1.0K |
| Oct 26, 2026 | RAIKES JEFFREY S · director | A-Award | 266 | $0.00 |
| Oct 26, 2026 | Vachris Roland Michael · director, officer: President and CEO | F-InKind | 1,121 | $1.0K |
| Oct 26, 2026 | DECKER SUSAN L · director | A-Award | 266 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 467Increased 3470Reduced 3579Sold out 178
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 34,947,040 | May 13, 2026 |
| BlackRock, Inc. | Reduced | 34,202,834 | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 28,976,605 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 28,847,448 | May 15, 2026 |
| STATE STREET CORP | Increased | 18,384,951 | Sep 22, 2026 |
| STATE STREET CORP | Increased | 18,152,232 | May 15, 2026 |
| Invesco Ltd. | Increased | 13,989,137 | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 10,705,635 | May 8, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 10,659,224 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 10,627,472 | Aug 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 10,402,555 | Aug 13, 2026 |
| MORGAN STANLEY | Increased | 10,220,437 | Aug 13, 2026 |
| MORGAN STANLEY | Reduced | 9,898,711 | May 15, 2026 |
| INVESCO LTD. | Reduced | 9,315,742 | Jul 15, 2026 |
| BANK OF AMERICA CORP /DE/ | Increased | 7,515,031 | May 18, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 27, 2026