According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Costco Wholesale are Director W Craig Jelinek (204.37K shares), Director Charles T Munger (168.10K shares), Executive Vice President Patrick J Callans (60.89K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| W Craig Jelinek | 204,365 | 23 Dec, 2024 | |
| Charles T Munger | 168,104 | 24 Oct, 2023 | |
| Patrick J Callans | Executive Vice President | 60,895 | 24 Oct, 2025 |
| Hamilton E James | 55,538 | 24 Oct, 2025 | |
| Roland Michael Vachris | President And Ceo | 52,258 | 24 Oct, 2025 |
| John Christopher Sullivan | Executive Vp | 47,671 | 24 Oct, 2025 |
| James C Klauer | Executive Vice President | 44,837 | 15 Jan, 2026 |
| James P. Murphy | Executive Vp | 38,084 | 25 Oct, 2022 |
| Timothy L. Rose | Executive Vp | 33,025 | 14 Sep, 2022 |
| Paul G Moulton | Executive Vp | 28,833 | 16 Sep, 2021 |
| Richard A Galanti | Executive Vice President | 27,400 | 24 Oct, 2024 |
| John W Stanton | 24,301 | 24 Oct, 2025 | |
| Gary Millerchip | Executive Vice President | 16,619 | 24 Oct, 2025 |
| Daniel M. Hines | 12,186 | 24 Oct, 2024 | |
| Joseph P Portera | Executive Vp | 11,987 | 16 Sep, 2021 |
| Jeffrey S Raikes | 11,293 | 28 Jan, 2026 | |
| Pierre Riel | Executive Vice President | 11,256 | 12 Sep, 2025 |
| Javier Polit | Executive Vice President | 10,190 | 31 Dec, 2025 |
| Susan L Decker | 8,532 | 20 Jan, 2026 | |
| Yoram Rubanenko | Executive Vice President | 8,247 | 12 Sep, 2025 |
| Russell D Miller | Sr. Executive Vice President | 8,242 | 24 Sep, 2025 |
| Claudine Adamo | Executive Vice President | 6,851 | 24 Oct, 2025 |
| Caton Frates | Executive Vice President | 6,515 | 24 Oct, 2025 |
| Kenneth D Denman | 5,664 | 22 Dec, 2025 | |
| Tiffany Marie Barbre | 5,155 | 24 Oct, 2025 | |
| Teresa A. Jones | Executive Vice President | 3,928 | 28 Jan, 2026 |
| Sarah Mr Sally Jewell | 3,613 | 24 Oct, 2025 | |
| Richard M Libenson | 3,561 | 26 Oct, 2021 | |
| Mary Agnes Wilderotter | 3,205 | 24 Oct, 2025 | |
| William Richard Wilcox | Executive Vice President | 2,000 | 12 Nov, 2025 |
| Helena Foulkes | 1,087 | 24 Oct, 2025 | |
| Gina Marie Raimondo | 215 | 20 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 27 Jan, 2026 | Jeffrey S Raikes | Common Stock | D | 5,115 | $0.00 | 11,293 | D | G |
| 27 Jan, 2026 | Teresa A. Jones | Common Stock | D | 300 | $0.00 | 3,928 | D | G |
| 21 Jan, 2026 | Teresa A. Jones | Common Stock | D | 850 | $986.26 | 4,228 | D | S |
| 16 Jan, 2026 | Susan L Decker | Common Stock | D | 458 | $955.00 | 8,532 | D | S |
| 16 Jan, 2026 | Gina Marie Raimondo | Common Stock | A | 215 | $0.00 | 215 | D | A |
| 14 Jan, 2026 | James C Klauer | Common Stock | D | 1,500 | $939.00 | 44,837 | D | S |
| 09 Jan, 2026 | Russell D Miller | Common Stock | D | 1,500 | $916.32 | 8,240 | I | S |
| 30 Dec, 2025 | Javier Polit | Common Stock | D | 558 | $862.90 | 10,190 | D | S |
| 29 Dec, 2025 | Javier Polit | Common Stock | D | 2,049 | $867.21 | 10,748 | D | S |
| 19 Dec, 2025 | Kenneth D Denman | Common Stock | D | 325 | $0.00 | 5,664 | D | G |
| 15 Dec, 2025 | Susan L Decker | Common Stock | D | 2,827 | $0.00 | 8,990 | D | G |
| 10 Nov, 2025 | Jeffrey S Raikes | Common Stock | D | 4,120 | $0.00 | 16,408 | D | G |
| 07 Nov, 2025 | William Richard Wilcox | Common Stock | D | 2,400 | $930.13 | 2,000 | D | S |
| 07 Nov, 2025 | William Richard Wilcox | - | - | 2,000 | D | |||
| 24 Oct, 2025 | Claudine Adamo | - | - | 6,851 | D | |||
| 24 Oct, 2025 | Claudine Adamo | Common Stock | D | 2,700 | $935.68 | 6,851 | D | S |
| 24 Oct, 2025 | Tiffany Marie Barbre | - | - | 5,155 | D | |||
| 24 Oct, 2025 | Tiffany Marie Barbre | Common Stock | D | 1,239 | $934.62 | 5,155 | D | S |
| 22 Oct, 2025 | John W Stanton | Common Stock | A | 286 | $0.00 | 24,090 | D | A |
| 22 Oct, 2025 | Sarah Mr Sally Jewell | Common Stock | A | 286 | $0.00 | 3,613 | D | A |