MUX's three largest insider shareholders as of April 11, 2026 are Robert Ross Mcewen (Chairman And Ceo, 8.24Mn shares), William M Shaver (Chief Operating Officer, 149.20K shares), Anna Man-Yue Ladd-Kruger (Chief Financial Officer, 50.00K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Robert Ross Mcewen | Chairman And Ceo | 0 | 8,236,647 | 08 May, 2025 |
| William M Shaver | Chief Operating Officer | 149,200 | 0 | 23 Dec, 2025 |
| Anna Man-Yue Ladd-Kruger | Chief Financial Officer | 50,000 | 0 | 18 Aug, 2021 |
| Perry Ing | Chief Financial Officer | 46,594 | 0 | 23 Dec, 2025 |
| G. Peter Mah | Chief Operating Officer | 31,575 | 0 | 15 Mar, 2022 |
| Carmen L Diges | General Counsel/Corp Sec | 27,044 | 0 | 12 Nov, 2025 |
| Richard W. Brissenden | - | 12,964 | 0 | 24 Sep, 2025 |
| Jeffrey Chan | Vp Finance | 3,966 | 0 | 23 Dec, 2025 |
| Nicolas Darveau-Garneau | - | 2,285 | 0 | 10 Dec, 2024 |
| Ian J Ball | Senior Vice President | 160 | 0 | 23 Dec, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 19 Mar, 2026 | John Casimir Florek | Deferred Stock Units | A | 479 | $0.00 | 1,790 | D | A |
| 19 Mar, 2026 | Dalia Nadine Asterbadi | Deferred Stock Units | A | 479 | $0.00 | 1,790 | D | A |
| 19 Mar, 2026 | William M Shaver | Restricted Stock Units | A | 4,440 | $0.00 | 4,440 | D | A |
| 19 Mar, 2026 | Carmen L Diges | Restricted Stock Units | A | 1,140 | $0.00 | 1,140 | D | A |
| 19 Mar, 2026 | Perry Ing | Restricted Stock Units | A | 1,890 | $0.00 | 1,890 | D | A |
| 19 Mar, 2026 | Michelle Makori | Deferred Stock Units | A | 239 | $0.00 | 239 | D | A |
| 19 Mar, 2026 | Nicolas Darveau-Garneau | Deferred Stock Units | A | 479 | $0.00 | 479 | D | A |
| 19 Mar, 2026 | William M Shaver | Deferred Stock Units | A | 479 | $0.00 | 479 | D | A |
| 20 Dec, 2025 | Ian J Ball | Common Stock | A | 160 | - | 160 | D | M |
| 20 Dec, 2025 | Perry Ing | Common Stock | A | 2,203 | - | 44,272 | D | M |
| 20 Dec, 2025 | William M Shaver | Common Stock | A | 11,740 | - | 140,533 | D | M |
| 20 Dec, 2025 | Carmen L Diges | Restricted Stock Units | D | 3,370 | $0.00 | 3,370 | D | M |
| 20 Dec, 2025 | Jeffrey Chan | Common Stock | A | 588 | - | 3,691 | D | M |
| 20 Dec, 2025 | William M Shaver | Common Stock | A | 5,700 | - | 146,233 | D | M |
| 20 Dec, 2025 | Jeffrey Chan | Common Stock | A | 275 | - | 3,966 | D | M |
| 20 Dec, 2025 | Carmen L Diges | Restricted Stock Units | D | 1,470 | $0.00 | 2,940 | D | M |
| 20 Dec, 2025 | Perry Ing | Common Stock | A | 1,083 | - | 45,355 | D | M |
| 20 Dec, 2025 | Ian J Ball | Restricted Stock Units | D | 310 | $0.00 | 620 | D | M |
| 20 Dec, 2025 | William M Shaver | Common Stock | A | 2,100 | - | 148,333 | D | M |
| 20 Dec, 2025 | Jeffrey Chan | Restricted Stock Units | D | 1,266 | $0.00 | 1,266 | D | M |