MYGN's three largest insider shareholders as of September 29, 2026 are Samraat S. Raha (President And Ceo, 1.07Mn shares), Paul J Diaz (President And Ceo, 891.84K shares), Mark Verratti (Chief Operating Officer, 629.65K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Samraat S. Raha | President And Ceo | 1,068,083 | 0 | 1,068,083 | 12.9% | 12 Jun, 2026 |
| 2 | Paul J Diaz | President And Ceo | 891,844 | 0 | 891,844 | 10.8% | 25 Mar, 2025 |
| 3 | Mark Verratti | Chief Operating Officer | 629,646 | 0 | 629,646 | 7.6% | 15 Apr, 2026 |
| 4 | Brian J Donnelly | Chief Commerical Officer | 573,363 | 0 | 573,363 | 6.9% | 12 Jun, 2026 |
| 5 | Vishal Sikri | Evp, Commercial | 351,224 | 0 | 351,224 | 4.2% | 17 Sep, 2026 |
| 6 | S. Louise Phanstiel | Director | 341,652 | 0 | 341,652 | 4.1% | 05 Jun, 2026 |
| 7 | Dale Muzzey | Chief Scientific Officer | 326,310 | 0 | 326,310 | 3.9% | 15 Apr, 2026 |
| 8 | Jennifer Lynne Fox | Chief Legal Officer | 305,964 | 0 | 305,964 | 3.7% | 08 Sep, 2026 |
| 9 | Richard Bryan Riggsbee | Chief Financial Officer | 291,812 | 0 | 291,812 | 3.5% | 05 Dec, 2023 |
| 10 | Benjamin Richard Wheeler | Chief Financial Officer | 287,193 | 0 | 287,193 | 3.5% | 22 Sep, 2026 |
| 11 | Shereen Solaiman | Chief People Officer | 267,801 | 0 | 267,801 | 3.2% | 16 Mar, 2026 |
| 12 | Jerry S Lanchbury | Chief Scientific Officer | 264,324 | 0 | 264,324 | 3.2% | 12 Oct, 2021 |
| 13 | Raj Jampa | Chief Technology Officer | 251,889 | 0 | 251,889 | 3.0% | 02 Jun, 2026 |
| 14 | Heinrich Dreismann | Director | 231,145 | 0 | 231,145 | 2.8% | 05 Jun, 2026 |
| 15 | Nicole Lambert | Chief Operating Officer | 223,993 | 0 | 223,993 | 2.7% | 10 Oct, 2023 |
| 16 | Scott J. Leffler | Chief Financial Officer | 218,393 | 0 | 218,393 | 2.6% | 17 Mar, 2025 |
| 17 | Daniel Skovronsky | Director | 195,507 | 0 | 195,507 | 2.4% | 05 Jun, 2026 |
| 18 | Lee Nisley Newcomer | Director | 191,842 | 0 | 191,842 | 2.3% | 05 Jun, 2026 |
| 19 | Kevin Richard Haas | Chief Technology Officer | 180,022 | 0 | 180,022 | 2.2% | 16 Mar, 2026 |
| 20 | Jayne B. Hart | Chief People Officer | 172,561 | 0 | 172,561 | 2.1% | 11 Oct, 2022 |
| 21 | Rashmi Kumar | Director | 171,889 | 0 | 171,889 | 2.1% | 09 Jun, 2026 |
| 22 | Paul Bisaro | Director | 157,142 | 0 | 157,142 | 1.9% | 05 Jun, 2026 |
| 23 | Colleen F Reitan | Director | 152,030 | 0 | 152,030 | 1.8% | 05 Jun, 2026 |
| 24 | Margaret Ancona | Evp, Strategy Transformation | 127,726 | 0 | 127,726 | 1.5% | 22 Sep, 2025 |
| 25 | Dennis Langer | Director | 106,802 | 0 | 106,802 | 1.3% | 02 Jun, 2022 |
| 26 | Mark Steven Davis | Director | 106,665 | 0 | 106,665 | 1.3% | 05 Jun, 2026 |
| 27 | Pamela Wong | Chief Legal Officer | 65,002 | 0 | 65,002 | 0.8% | 25 Mar, 2024 |
| 28 | Eric Santa | Chief Growth Officer | 56,734 | 0 | 56,734 | 0.7% | 01 Apr, 2022 |
| 29 | Natalie Munk | Chief Accounting Officer | 45,167 | 0 | 45,167 | 0.5% | 22 Sep, 2025 |
| 30 | Daniel K Spiegelman | Director | 32,917 | 0 | 32,917 | 0.4% | 04 Jun, 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 |
|---|---|---|---|---|---|---|---|---|
| 21 Sep, 2026 | Benjamin Richard Wheeler | Chief Financial Officer | Disposed F | 2,555 | $4.01 | $10.25K | 287,193 | Direct |
| 16 Sep, 2026 | Vishal Sikri | Evp, Commercial | Acquired A | 257,731 | $0.00 | $0 | 351,224 | Direct |
| 03 Sep, 2026 | Jennifer Lynne Fox | Chief Legal Officer | Disposed F | 4,398 | $3.23 | $14.21K | 305,964 | Direct |
| 16 Aug, 2026 | Benjamin Richard Wheeler | Chief Financial Officer | Disposed F | 8,761 | $3.03 | $26.55K | 289,748 | Direct |
| 11 Jun, 2026 | Samraat S. Raha | President And Ceo | Acquired A | 3,542 | $3.94 | $13.94K | 1,068,083 | Direct |
| 11 Jun, 2026 | Brian J Donnelly | Chief Commerical Officer | Acquired A | 5,000 | $3.94 | $19.68K | 573,363 | Direct |
| 08 Jun, 2026 | Rashmi Kumar | Director | Disposed S | 15,000 | $4.46 | $66.84K | 171,889 | Direct |
| 04 Jun, 2026 | Daniel Skovronsky | Director | Acquired A | 59,701 | $0.00 | $0 | 195,507 | Direct |
| 04 Jun, 2026 | Lee Nisley Newcomer | Director | Acquired A | 59,701 | $0.00 | $0 | 191,842 | Direct |
| 04 Jun, 2026 | Colleen F Reitan | Director | Acquired A | 59,701 | $0.00 | $0 | 152,030 | Direct |
| 04 Jun, 2026 | S. Louise Phanstiel | Director | Acquired A | 59,701 | $0.00 | $0 | 341,652 | Direct |
| 04 Jun, 2026 | Heinrich Dreismann | Director | Acquired A | 59,701 | $0.00 | $0 | 231,145 | Direct |
| 04 Jun, 2026 | Paul Bisaro | Director | Acquired A | 59,701 | $0.00 | $0 | 157,142 | Direct |
| 04 Jun, 2026 | Mark Steven Davis | Director | Acquired A | 59,701 | $0.00 | $0 | 106,665 | Direct |
| 04 Jun, 2026 | Rashmi Kumar | Director | Acquired A | 59,701 | $0.00 | $0 | 186,889 | Direct |
| 01 Jun, 2026 | Raj Jampa | Chief Technology Officer | Acquired A | 251,889 | $0.00 | $0 | 251,889 | Direct |
| 14 May, 2026 | Paul Bisaro | Director | Acquired P | 7,500 | $3.69 | $27.64K | 97,441 | Direct |
| 01 May, 2026 | Brian J Donnelly | Chief Commerical Officer | Disposed F | 55,975 | $4.80 | $268.68K | 568,363 | Direct |
| 14 Apr, 2026 | Mark Verratti | Chief Operating Officer | Disposed F | 1,069 | $4.91 | $5.25K | 629,646 | Direct |
| 14 Apr, 2026 | Dale Muzzey | Chief Scientific Officer | Disposed F | 946 | $4.91 | $4.64K | 326,310 | Direct |