As of August 27, 2026, the three largest insider holders of GH are Amirali Talasaz (Co Chief Executive Officer, 2.15Mn shares), Helmy Eltoukhy (Co Chief Executive Officer, 2.11Mn shares), Helmy Eltoukhy (Co Chief Executive Officer, 2.05Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Helmy Eltoukhy | Co Chief Executive Officer | 2,049,238 | 2,030,934 | 4,080,172 | 47.6% | 12 Aug, 2026 |
| 2 | Amirali Talasaz | Co Chief Executive Officer | 1,902,345 | 1,910,351 | 3,812,696 | 44.5% | 24 Aug, 2026 |
| 3 | Darya Chudova | Chief Technology Officer | 113,678 | 0 | 113,678 | 1.3% | 02 Jul, 2026 |
| 4 | Craig Eagle | Chief Medical Officer | 82,360 | 0 | 82,360 | 1.0% | 02 Apr, 2026 |
| 5 | Chris Freeman | Chief Commercial Officer | 79,947 | 0 | 79,947 | 0.9% | 11 Aug, 2026 |
| 6 | John G. Saia | Chief Legal Officer | 60,167 | 0 | 60,167 | 0.7% | 12 Aug, 2026 |
| 7 | Michael Brian Bell | Chief Financial Officer | 60,101 | 0 | 60,101 | 0.7% | 16 Jun, 2026 |
| 8 | Amelia Merrill | Svp, People | 54,857 | 0 | 54,857 | 0.6% | 04 Mar, 2024 |
| 9 | Kumud Kalia | Chief Information Officer | 43,794 | 0 | 43,794 | 0.5% | 02 Jul, 2026 |
| 10 | Vijaya Gadde | Director | 40,565 | 0 | 40,565 | 0.5% | 22 Jun, 2026 |
| 11 | Myrtle S Potter | Director | 29,647 | 0 | 29,647 | 0.3% | 23 Jun, 2026 |
| 12 | Terilyn J. Monroe | Chief People Officer | 22,979 | 0 | 22,979 | 0.3% | 13 Aug, 2026 |
| 13 | Meghan V. Joyce | Director | 19,875 | 0 | 19,875 | 0.2% | 22 Jun, 2026 |
| 14 | Ian T Clark | Director | 8,901 | 2,975 | 11,876 | 0.1% | 05 Aug, 2026 |
| 15 | Samir Kaul | Director | 11,404 | 0 | 11,404 | 0.1% | 16 Jun, 2023 |
| 16 | Musa Tariq | Director | 11,316 | 0 | 11,316 | 0.1% | 18 Aug, 2026 |
| 17 | Steve E. Krognes | Director | 10,222 | 0 | 10,222 | 0.1% | 05 Jun, 2026 |
| 18 | Roberto Mignone | Director | 10,010 | 0 | 10,010 | 0.1% | 24 Aug, 2026 |
| 19 | Bahija Jallal | Director | 7,408 | 0 | 7,408 | 0.1% | 17 Jun, 2022 |
| 20 | Medina Manuel Hidalgo | Director | 4,788 | 0 | 4,788 | 0.1% | 18 Aug, 2026 |
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 Aug, 2026 | Amirali Talasaz | Co Chief Executive Officer | Disposed S | 9,023 | $168.20 | $1.52Mn | 65,977 | Indirect |
| 21 Aug, 2026 | Roberto Mignone | Director | Acquired M | 264 | $0.00 | $0 | 10,010 | Direct |
| 21 Aug, 2026 | Roberto Mignone | Director | Disposed M | 264 | $0.00 | $0 | 6,864 | Direct |
| 21 Aug, 2026 | Amirali Talasaz | Co Chief Executive Officer | Disposed S | 20,888 | $169.16 | $3.53Mn | 45,089 | Indirect |
| 21 Aug, 2026 | Amirali Talasaz | Co Chief Executive Officer | Disposed S | 7,589 | $170.29 | $1.29Mn | 37,500 | Indirect |
| 15 Aug, 2026 | Musa Tariq | Director | Acquired M | 250 | $0.00 | $0 | 11,432 | Direct |
| 17 Aug, 2026 | Medina Manuel Hidalgo | Director | Acquired M | 232 | $0.00 | $0 | 4,788 | Direct |
| 17 Aug, 2026 | Musa Tariq | Director | Disposed S | 116 | $156.45 | $18.15K | 11,316 | Direct |
| 17 Aug, 2026 | Medina Manuel Hidalgo | Director | Disposed M | 232 | $0.00 | $0 | 5,337 | Direct |
| 15 Aug, 2026 | Musa Tariq | Director | Disposed M | 250 | $0.00 | $0 | 1,749 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Acquired M | 32,288 | $20.14 | $650.28K | 55,267 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Acquired M | 14,012 | $28.61 | $400.88K | 69,279 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Disposed S | 3,704 | $163.41 | $605.29K | 65,575 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Disposed S | 9,934 | $164.27 | $1.63Mn | 55,641 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Disposed S | 19,014 | $165.16 | $3.14Mn | 36,627 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Disposed S | 13,248 | $166.11 | $2.20Mn | 23,379 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Disposed S | 400 | $167.92 | $67.17K | 22,979 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Disposed M | 32,288 | $0.00 | $0 | 10,916 | Direct |
| 12 Aug, 2026 | Terilyn J. Monroe | Chief People Officer | Disposed M | 14,012 | $0.00 | $0 | 18,615 | Direct |
| 10 Aug, 2026 | Amirali Talasaz | Co Chief Executive Officer | Disposed G | 75,000 | $0.00 | $0 | 1,824,351 | Indirect |