MAGN's three largest insider shareholders as of September 29, 2026 are Capital L P Carlson (TenPercentOwner, 361.96K shares), Capital, L.P. Carlson (TenPercentOwner, 333.45K shares), Thomas Fahnemann (Ceo, 83.62K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Capital, L.P. Carlson | TenPercentOwner | 0 | 695,410 | 695,410 | 64.9% | 26 Sep, 2024 |
| 2 | Thomas Fahnemann | Ceo | 83,622 | 0 | 83,622 | 7.8% | 06 Nov, 2025 |
| 3 | Carl J Rickertsen | Director | 50,807 | 0 | 50,807 | 4.7% | 06 Nov, 2025 |
| 4 | Dante C Parrini | Chairman And Ceo | 34,941 | 0 | 34,941 | 3.3% | 23 May, 2022 |
| 5 | Wolfgang Laures | Svp, Igsc And It | 24,350 | 0 | 24,350 | 2.3% | 27 Feb, 2023 |
| 6 | Kevin Michael Fogarty | Director | 22,314 | 0 | 22,314 | 2.1% | 06 Nov, 2025 |
| 7 | Bruce Brown | Director | 21,533 | 0 | 21,533 | 2.0% | 06 Nov, 2025 |
| 8 | Curt Begle | President Ceo | 18,208 | 0 | 18,208 | 1.7% | 06 Nov, 2025 |
| 9 | Samantha J. Marnick | Director | 13,501 | 0 | 13,501 | 1.3% | 06 Nov, 2025 |
| 10 | J Robert Hall | Director | 11,189 | 0 | 11,189 | 1.0% | 09 May, 2024 |
| 11 | Kathleen Dahlberg | Director | 9,901 | 0 | 9,901 | 0.9% | 09 May, 2024 |
| 12 | Lee C Stewart | Director | 9,516 | 0 | 9,516 | 0.9% | 27 Sep, 2023 |
| 13 | Michael S Curless | Director | 9,501 | 0 | 9,501 | 0.9% | 06 Nov, 2025 |
| 14 | Tom Salmon | Director | 9,501 | 0 | 9,501 | 0.9% | 06 Nov, 2025 |
| 15 | Mary Dean Hall | Director | 9,501 | 0 | 9,501 | 0.9% | 06 Nov, 2025 |
| 16 | David C Elder | Vice Pres, Finance And Cao | 8,244 | 0 | 8,244 | 0.8% | 14 May, 2024 |
| 17 | Eileen L Beck | Evp, Chief Hr Officer | 6,822 | 0 | 6,822 | 0.6% | 26 Feb, 2025 |
| 18 | Darrel H. Hackett | Director | 5,738 | 0 | 5,738 | 0.5% | 09 May, 2024 |
| 19 | Jill L. Urey | Evp, Gc Corp Sec | 5,134 | 0 | 5,134 | 0.5% | 03 Mar, 2026 |
| 20 | Christopher W. Astley | Svp, Chief Commercial Officer | 4,722 | 0 | 4,722 | 0.4% | 23 Feb, 2023 |
| 21 | Samuel L. Hillard | Svp, Cfo | 4,340 | 0 | 4,340 | 0.4% | 23 Feb, 2022 |
| 22 | Marie T. Gallagher | Director | 4,271 | 0 | 4,271 | 0.4% | 09 May, 2024 |
| 23 | Ramesh Shettigar | Senior Vp, Cfo Treasurer | 3,473 | 0 | 3,473 | 0.3% | 14 May, 2024 |
| 24 | James Till | Evp, Cfo Treasurer | 2,726 | 0 | 2,726 | 0.3% | 06 Nov, 2025 |
| 25 | Tarun Manroa | Evp, Coo | 2,015 | 0 | 2,015 | 0.2% | 06 Nov, 2025 |
| 26 | Boris Illetschko | Svp, Chief Operating Officer | 956 | 0 | 956 | 0.1% | 02 Aug, 2024 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 09 Mar, 2026 | Carl J Rickertsen | Director | Acquired A | 12,998 | $0.00 | $0 | 12,998 | Direct |
| 09 Mar, 2026 | Michael S Curless | Director | Acquired A | 12,998 | $0.00 | $0 | 12,998 | Direct |
| 09 Mar, 2026 | Thomas Fahnemann | Director | Acquired A | 12,998 | $0.00 | $0 | 12,998 | Direct |
| 09 Mar, 2026 | Tom Salmon | Director | Acquired A | 12,998 | $0.00 | $0 | 12,998 | Direct |
| 09 Mar, 2026 | Samantha J. Marnick | Director | Acquired A | 12,998 | $0.00 | $0 | 12,998 | Direct |
| 09 Mar, 2026 | Mary Dean Hall | Director | Acquired A | 12,998 | $0.00 | $0 | 12,998 | Direct |
| 09 Mar, 2026 | Bruce Brown | Director | Acquired A | 12,998 | $0.00 | $0 | 12,998 | Direct |
| 09 Mar, 2026 | Kevin Michael Fogarty | Director | Acquired A | 12,998 | $0.00 | $0 | 12,998 | Direct |
| 28 Feb, 2026 | Jill L. Urey | Evp, Gc Corp Sec | Acquired M | 1,571 | $12.95 | $20.34K | 5,655 | Direct |
| 28 Feb, 2026 | Jill L. Urey | Evp, Gc Corp Sec | Disposed F | 521 | $12.95 | $6.75K | 5,134 | Direct |
| 28 Feb, 2026 | Jill L. Urey | Evp, Gc Corp Sec | Disposed M | 1,571 | $0.00 | $0 | 1,620 | Direct |
| 24 Feb, 2026 | Jill L. Urey | Evp, Gc Corp Sec | Acquired M | 205 | $13.03 | $2.67K | 4,152 | Direct |
| 24 Feb, 2026 | Jill L. Urey | Evp, Gc Corp Sec | Disposed F | 68 | $13.03 | $886 | 4,084 | Direct |
| 24 Feb, 2026 | Jill L. Urey | Evp, Gc Corp Sec | Disposed M | 205 | $0.00 | $0 | 0 | Direct |
| 14 Nov, 2025 | Tom Salmon | Director | Acquired A | 5,871 | $0.00 | $0 | 5,871 | Direct |
| 14 Nov, 2025 | Jill L. Urey | Evp, Gc Corp Sec | Acquired A | 14,285 | $0.00 | $0 | 14,285 | Direct |
| 14 Nov, 2025 | Samantha J. Marnick | Director | Acquired A | 5,871 | $0.00 | $0 | 5,871 | Direct |
| 14 Nov, 2025 | Carl J Rickertsen | Director | Acquired A | 5,871 | $0.00 | $0 | 5,871 | Direct |
| 14 Nov, 2025 | James Till | Evp, Cfo Treasurer | Acquired A | 34,285 | $0.00 | $0 | 34,285 | Direct |
| 14 Nov, 2025 | Tarun Manroa | Evp, Coo | Acquired A | 34,285 | $0.00 | $0 | 34,285 | Direct |