MTG's three largest insider shareholders as of March 23, 2026 are Timothy J. Mattke (Chief Executive Officer, 1.26Mn shares), Salvatore A Miosi (President Coo, 731.20K shares), Nathaniel H Colson (Officer Evp, Cfo Cro, 361.24K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Timothy J. Mattke | Chief Executive Officer | 1,257,207 | 0 | 20 Mar, 2026 |
| Salvatore A Miosi | President Coo | 601,882 | 0 | 20 Mar, 2026 |
| Nathaniel H Colson | Officer Evp, Cfo Cro | 361,226 | 0 | 20 Mar, 2026 |
| Paula C Maggio | Evp And General Counsel | 190,557 | 0 | 20 Mar, 2026 |
| Steven M. Thompson | Evpcro Mort Gty Ins Corp | 145,556 | 0 | 11 Mar, 2024 |
| Julie K. Sperber | Vp Chief Accounting Officer | 82,837 | 0 | 03 Mar, 2026 |
| Sheryl L. Sculley | 35,023 | 0 | 10 Mar, 2026 | |
| Mark Zandi | 33,918 | 0 | 10 Mar, 2026 | |
| Michael Leal Thompson | 18,530 | 0 | 10 Mar, 2026 | |
| Gary A. Poliner | 8,886 | 0 | 02 Mar, 2023 | |
| Daniela O'Leary-Gill | 6,436 | 0 | 10 Mar, 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Mar, 2026 | Paula C Maggio | Common Stock | D | 61,070 | $26.53 | 190,557 | D | F |
| 02 Mar, 2026 | Salvatore A Miosi | Common Stock | D | 129,321 | $26.53 | 601,882 | D | F |
| 02 Mar, 2026 | Timothy J. Mattke | Common Stock | D | 307,691 | $26.53 | 1,257,207 | D | F |
| 02 Mar, 2026 | Nathaniel H Colson | Common Stock | D | 86,349 | $26.53 | 361,226 | D | F |
| 06 Mar, 2026 | Sheryl L. Sculley | Common Stock | A | 131 | - | 35,023 | D | A |
| 06 Mar, 2026 | Daniela O'Leary-Gill | Common Stock | A | 28 | - | 6,436 | D | A |
| 06 Mar, 2026 | Michael Leal Thompson | Common Stock | A | 28 | - | 18,530 | D | A |
| 06 Mar, 2026 | Mark Zandi | Common Stock | A | 28 | - | 33,918 | D | A |
| 06 Mar, 2026 | Mark Zandi | Share Units | A | 269 | - | 48,378 | D | A |
| 06 Mar, 2026 | Sheryl L. Sculley | Share Units | A | 109 | - | 19,636 | D | A |
| 02 Mar, 2026 | Salvatore A Miosi | Common Stock | D | 129,302 | $26.53 | 601,901 | D | F |
| 02 Mar, 2026 | Julie K. Sperber | Common Stock | D | 6,132 | $26.53 | 82,837 | D | F |
| 02 Mar, 2026 | Nathaniel H Colson | Common Stock | D | 86,336 | $26.53 | 361,239 | D | F |
| 02 Mar, 2026 | Timothy J. Mattke | Common Stock | D | 307,644 | $26.53 | 1,257,254 | D | F |
| 02 Mar, 2026 | Paula C Maggio | Common Stock | D | 61,061 | $26.53 | 190,566 | D | F |
| 02 Mar, 2026 | Salvatore A Miosi | Common Stock | D | 30,000 | $27.04 | 731,203 | D | S |
| 25 Feb, 2026 | Paula C Maggio | Common Stock | A | 136,938 | - | 251,627 | D | A |
| 25 Feb, 2026 | Nathaniel H Colson | Common Stock | A | 182,584 | - | 447,575 | D | A |
| 25 Feb, 2026 | Julie K. Sperber | Common Stock | A | 979 | - | 81,456 | D | A |
| 25 Feb, 2026 | Salvatore A Miosi | Common Stock | A | 273,875 | - | 761,203 | D | A |