List of insiders holdings for COSTCO WHOLESALE CORP:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | SINEGAL JAMES D Director | 2018-10-01 14:58:23 | 635,213 584,517 | 1,219,730 | Form 5 |
| 2 | BROTMAN JEFFREY H Former Chairman of the Board | 2017-08-11 18:14:33 | 73,894 374,495 | 448,389 | Form 4 |
| 3 | JELINEK W CRAIG Director | 2024-12-23 16:37:50 | 204,365 150,027 | 354,392 | Form 4 |
| 4 | WALKER THOMAS KIRK Executive VP | 2014-07-01 10:00:23 | 249,743 0 | 249,743 | Form 4 |
| 5 | MUNGER CHARLES T Director | 2023-10-24 14:41:39 | 168,104 19,565 | 187,669 | Form 4 |
| 6 | DICERCHIO RICHARD D Director | 2011-10-13 18:17:20 | 175,583 0 | 175,583 | Form 5 |
| 7 | LIBENSON RICHARD M Director Emeritus | 2021-10-26 16:41:18 | 3,561 76,999 | 80,560 | Form 4 |
| 8 | Callans Patrick J Executive Vice President | 2025-09-12 17:36:45 | 61,812 0 | 61,812 | Form 4 |
| 9 | JAMES HAMILTON E Director | 2024-10-24 17:25:53 | 55,252 1,151 | 56,403 | Form 4 |
| 10 | McKay John D Executive Vice President | 2018-10-30 18:30:42 | 55,761 0 | 55,761 | Form 4/A |
| 11 | SCHUTT DOUGLAS W Former Executive VP | 2016-10-25 15:20:12 | 51,126 0 | 51,126 | Form 4 |
| 12 | Klauer James C Executive Vice President | 2025-09-12 17:45:57 | 47,254 98.5 | 47,353 | Form 4 |
| 13 | LAZARUS FRANZ E Executive VP | 2019-09-20 19:40:38 | 8,193 38,644 | 46,837 | Form 4 |
| 14 | Sullivan John Christopher Executive VP | 2024-10-24 19:53:36 | 45,531 0 | 45,531 | Form 4 |
| 15 | GATES WILLIAM H II Former Director Director | 2015-08-06 13:58:52 | 45,000 0 | 45,000 | Form 4 |
| 16 | Vachris Roland Michael President and CEO | 2025-03-13 17:16:29 | 41,077 0 | 41,077 | Form 4 |
| 17 | EVANS DANIEL J Director | 2018-10-01 14:35:27 | 14,611 24,513 | 39,124 | Form 5 |
| 18 | Murphy James P. Executive VP | 2022-12-15 19:35:44 | 37,979 0 | 37,979 | Form 5 |
| 19 | GALANTI RICHARD A Executive Vice President | 2024-10-24 20:00:24 | 27,400 7,726 | 35,126 | Form 4 |
| 20 | Rose Timothy L. Executive VP | 2022-09-14 19:36:05 | 33,025 0 | 33,025 | Form 4 |
| 21 | MOULTON PAUL G Executive VP | 2021-09-16 09:59:52 | 28,833 0 | 28,833 | Form 4 |
| 22 | MEISENBACH JOHN W Director | 2019-10-24 15:59:40 | 13,734 12,000 | 25,734 | Form 4 |
| 23 | STANTON JOHN W Director | 2025-09-04 16:24:15 | 23,804 211 | 24,015 | Form 4 |
| 24 | PETTERSON DAVID S Former Principal Acct Officer | 2016-12-29 13:21:42 | 20,926 0 | 20,926 | Form 4 |
| 25 | RAIKES JEFFREY S Director | 2025-07-15 16:13:44 | 20,242 0 | 20,242 | Form 4 |
| 26 | RUCKELSHAUS JILL S Former Director Director | 2016-07-27 10:17:01 | 18,566 0 | 18,566 | Form 4 |
| 27 | CARSON BENJAMIN SR Director | 2015-03-03 18:18:58 | 17,972 0 | 17,972 | Form 4 |
| 28 | PORTERA JOSEPH P Executive VP | 2021-09-16 10:00:49 | 11,987 1,789 | 13,776 | Form 4 |
| 29 | Hines Daniel M. Principal Acctg Officer | 2024-10-24 17:39:39 | 12,186 800 | 12,986 | Form 4 |
| 30 | Wilderotter Mary Agnes Director | 2024-10-24 17:37:00 | 12,671 0 | 12,671 | Form 4 |
| 31 | DECKER SUSAN L Director | 2025-06-20 16:40:26 | 11,531 0 | 11,531 | Form 4 |
| 32 | Riel Pierre Executive Vice President | 2025-09-12 17:53:49 | 11,256 0 | 11,256 | Form 4 |
| 33 | MILLERCHIP GARY Executive Vice President | 2025-03-27 17:24:33 | 11,165 0 | 11,165 | Form 4 |
| 34 | Adamo Claudine Executive Vice President | 2025-09-12 17:33:41 | 10,256 0 | 10,256 | Form 4 |
| 35 | ZOOK DENNIS R Former Executive VP | 2018-10-04 15:02:35 | 10,053 0 | 10,053 | Form 4 |
| 36 | POLIT JAVIER Executive Vice President | 2024-10-24 19:51:56 | 9,746 0 | 9,746 | Form 4 |
| 37 | Miller Russell D Sr. Executive Vice President | 2025-10-01 17:00:25 | 0.925 9,740 | 9,741 | Form 4 |
| 38 | Frates Caton Executive Vice President | 2025-09-30 16:54:13 | 9,284 0 | 9,284 | Form 4 |
| 39 | Rubanenko Yoram Executive Vice President | 2025-09-12 17:56:14 | 8,247 0 | 8,247 | Form 4 |
| 40 | DENMAN KENNETH D Director | 2024-12-18 17:13:49 | 5,703 0 | 5,703 | Form 4 |
| 41 | Jones Teresa A. Executive Vice President | 2025-09-12 17:43:19 | 5,078 0 | 5,078 | Form 4 |
| 42 | Barbre Tiffany Marie Principal Accounting Officer | 2025-07-10 16:27:05 | 4,819 0 | 4,819 | Form 3 |
| 43 | Wilcox William Richard Executive Vice President | 2025-10-09 17:55:53 | 0 4,401 | 4,401 | Form 3 |
| 44 | JEWELL SARAH MR SALLY Director | 2024-10-24 17:30:16 | 3,327 0 | 3,327 | Form 4 |
| 45 | Foulkes Helena Director | 2024-10-24 17:23:56 | 800.8 39 | 839.8 | Form 4 |