As of July 26, 2026, the three largest insider holders of MAGN are Capital L P Carlson (TenPercentOwner, 4.71Mn shares), Capital, L.P. Carlson (TenPercentOwner, 4.33Mn shares), Dante C Parrini (Chairman And Ceo, 454.26K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Capital L P Carlson | - | 0 | 4,705,691 | 01 Jul, 2024 |
| Lee C Stewart | - | 123,719 | 0 | 27 Sep, 2023 |
| Kathleen Dahlberg | - | 128,719 | 0 | 09 May, 2024 |
| J Robert Hall | - | 145,469 | 0 | 09 May, 2024 |
| Dante C Parrini | Chairman And Ceo | 454,256 | 0 | 23 May, 2022 |
| David C Elder | Vice Pres, Finance And Cao | 107,177 | 0 | 14 May, 2024 |
| Bruce Brown | - | 21,533 | 0 | 06 Nov, 2025 |
| Kevin Michael Fogarty | - | 0 | 31,538 | 12 May, 2025 |
| Christopher W. Astley | Svp, Chief Commercial Officer | 61,385 | 0 | 23 Feb, 2023 |
| Marie T. Gallagher | - | 55,528 | 0 | 09 May, 2024 |
| Tom Salmon | - | 0 | 35,289 | 30 May, 2025 |
| Curt Begle | President Ceo | 0 | 44,341 | 09 May, 2025 |
| Michael S Curless | - | 0 | 10,000 | 05 Jun, 2025 |
| James Till | Evp, Cfo Treasurer | 2,726 | 0 | 06 Nov, 2025 |
| Mary Dean Hall | - | 9,501 | 0 | 06 Nov, 2025 |
| Samuel L. Hillard | Svp, Cfo | 56,423 | 0 | 23 Feb, 2022 |
| Eileen L Beck | Evp, Chief Hr Officer | 6,822 | 0 | 26 Feb, 2025 |
| Jill L. Urey | Evp, Gc Corp Sec | 5,134 | 0 | 03 Mar, 2026 |
| Wolfgang Laures | Svp, Igsc And It | 316,568 | 0 | 27 Feb, 2023 |
| Darrel H. Hackett | - | 74,598 | 0 | 09 May, 2024 |
| Ramesh Shettigar | Senior Vp, Cfo Treasurer | 45,151 | 0 | 14 May, 2024 |
| Thomas Fahnemann | Ceo | 83,622 | 0 | 06 Nov, 2025 |
| Boris Illetschko | Svp, Chief Operating Officer | 12,426 | 0 | 02 Aug, 2024 |
| Tarun Manroa | Evp, Coo | 2,015 | 0 | 06 Nov, 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 |
|---|---|---|---|---|---|---|---|---|
| 09 Mar, 2026 | Tom Salmon | Restricted Stock Units | A | 12,998 | $0.00 | 12,998 | D | A |
| 09 Mar, 2026 | Mary Dean Hall | Restricted Stock Units | A | 12,998 | $0.00 | 12,998 | D | A |
| 09 Mar, 2026 | Kevin Michael Fogarty | Restricted Stock Units | A | 12,998 | $0.00 | 12,998 | D | A |
| 09 Mar, 2026 | Tom Salmon | Restricted Stock Units | A | 12,998 | $0.00 | 12,998 | D | A |
| 09 Mar, 2026 | Michael S Curless | Restricted Stock Units | A | 12,998 | $0.00 | 12,998 | D | A |
| 09 Mar, 2026 | Tom Salmon | Restricted Stock Units | A | 12,998 | $0.00 | 12,998 | D | A |
| 09 Mar, 2026 | Bruce Brown | Restricted Stock Units | A | 12,998 | $0.00 | 12,998 | D | A |
| 09 Mar, 2026 | Thomas Fahnemann | Restricted Stock Units | A | 12,998 | $0.00 | 12,998 | D | A |
| 28 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | A | 1,571 | $12.95 | 5,655 | D | M |
| 28 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | A | 1,571 | $12.95 | 5,655 | D | M |
| 28 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | A | 1,571 | $12.95 | 5,655 | D | M |
| 28 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | D | 521 | $12.95 | 5,134 | D | F |
| 28 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | D | 521 | $12.95 | 5,134 | D | F |
| 28 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | D | 521 | $12.95 | 5,134 | D | F |
| 28 Feb, 2026 | Jill L. Urey | Restricted Stock Units | D | 1,571 | $0.00 | 1,620 | D | M |
| 28 Feb, 2026 | Jill L. Urey | Restricted Stock Units | D | 1,571 | $0.00 | 1,620 | D | M |
| 28 Feb, 2026 | Jill L. Urey | Restricted Stock Units | D | 1,571 | $0.00 | 1,620 | D | M |
| 24 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | A | 205 | $13.03 | 4,152 | D | M |
| 24 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | A | 205 | $13.03 | 4,152 | D | M |
| 24 Feb, 2026 | Jill L. Urey | Common Stock, Par Value $.01 | A | 205 | $13.03 | 4,152 | D | M |