Guardant Health's three largest insider shareholders as of April 22, 2026 are Amirali Talasaz (Co Chief Executive Officer, 2.15Mn shares), Amirali Talasaz (Co Chief Executive Officer, 2.15Mn shares), Amirali Talasaz (Co Chief Executive Officer, 2.15Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Amirali Talasaz | Co Chief Executive Officer | 0 | 2,146,504 | 02 Apr, 2026 |
| Amirali Talasaz | Co Chief Executive Officer | 0 | 2,146,504 | 02 Apr, 2026 |
| Amirali Talasaz | Co Chief Executive Officer | 0 | 2,146,504 | 02 Apr, 2026 |
| Helmy Eltoukhy | Co Chief Executive Officer | 0 | 2,112,919 | 02 Apr, 2026 |
| Helmy Eltoukhy | Co Chief Executive Officer | 2,049,238 | 0 | 16 Mar, 2023 |
| Amirali Talasaz | Co Chief Executive Officer | 1,902,345 | 48,500 | 15 Mar, 2023 |
| Amirali Talasaz | Co Chief Executive Officer | 1,902,345 | 48,500 | 15 Mar, 2023 |
| Amirali Talasaz | Co Chief Executive Officer | 1,902,345 | 48,500 | 15 Mar, 2023 |
| Amirali Talasaz | Co Chief Executive Officer | 0 | 419,300 | 10 Dec, 2025 |
| Amirali Talasaz | Co Chief Executive Officer | 0 | 419,300 | 10 Dec, 2025 |
| Amirali Talasaz | Co Chief Executive Officer | 0 | 419,300 | 10 Dec, 2025 |
| Craig Eagle | Chief Medical Officer | 72,001 | 0 | 02 Apr, 2026 |
| Darya Chudova | Chief Technology Officer | 70,376 | 0 | 02 Apr, 2026 |
| John G. Saia | Chief Legal Officer | 65,950 | 0 | 16 Apr, 2026 |
| John G. Saia | Chief Legal Officer | 62,351 | 0 | 02 Apr, 2026 |
| Chris Freeman | Chief Commercial Officer | 60,034 | 0 | 02 Apr, 2026 |
| Darya Chudova | Chief Technology Officer | 0 | 54,480 | 10 Dec, 2025 |
| Michael Brian Bell | Chief Financial Officer | 49,509 | 0 | 02 Apr, 2026 |
| Kumud Kalia | Chief Information Officer | 49,249 | 0 | 02 Apr, 2026 |
| Kumud Kalia | Chief Information Officer | 49,249 | 0 | 02 Apr, 2026 |
| Kumud Kalia | Chief Information Officer | 49,249 | 0 | 02 Apr, 2026 |
| Darya Chudova | Chief Technology Officer | 35,305 | 0 | 16 Jan, 2024 |
| Amelia Merrill | Svp, People | 27,475 | 0 | 04 Mar, 2024 |
| Amelia Merrill | Svp, People | 27,475 | 0 | 04 Mar, 2024 |
| Amelia Merrill | Svp, People | 27,475 | 0 | 04 Mar, 2024 |
| Amelia Merrill | Svp, People | 27,382 | 0 | 03 Jan, 2024 |
| Amelia Merrill | Svp, People | 27,382 | 0 | 03 Jan, 2024 |
| Amelia Merrill | Svp, People | 27,382 | 0 | 03 Jan, 2024 |
| Vijaya Gadde | - | 24,314 | 0 | 16 Jun, 2025 |
| John G. Saia | Chief Legal Officer | 21,176 | 0 | 03 Jan, 2024 |
| John G. Saia | Chief Legal Officer | 21,176 | 0 | 03 Jan, 2024 |
| Terilyn J. Monroe | Chief People Officer | 20,990 | 0 | 07 Apr, 2026 |
| Steve E. Krognes | - | 19,208 | 0 | 01 Apr, 2026 |
| Steve E. Krognes | - | 19,208 | 0 | 01 Apr, 2026 |
| Steve E. Krognes | - | 19,208 | 0 | 01 Apr, 2026 |
| Myrtle S Potter | - | 18,324 | 0 | 20 Oct, 2025 |
| Myrtle S Potter | - | 18,324 | 0 | 20 Oct, 2025 |
| Chris Freeman | Chief Commercial Officer | 14,573 | 0 | 03 Jan, 2024 |
| Vijaya Gadde | - | 12,048 | 0 | 16 Jun, 2023 |
| Michael Brian Bell | Chief Financial Officer | 11,649 | 0 | 16 Jan, 2024 |
| Samir Kaul | - | 11,404 | 0 | 16 Jun, 2023 |
| Samir Kaul | - | 11,404 | 0 | 16 Jun, 2023 |
| Meghan V. Joyce | - | 11,183 | 0 | 03 Sep, 2025 |
| Craig Eagle | Chief Medical Officer | 10,359 | 0 | 03 Jan, 2024 |
| Kumud Kalia | Chief Information Officer | 10,079 | 0 | 08 Jan, 2024 |
| Kumud Kalia | Chief Information Officer | 10,079 | 0 | 08 Jan, 2024 |
| Kumud Kalia | Chief Information Officer | 10,079 | 0 | 08 Jan, 2024 |
| Ian T Clark | - | 0 | 9,851 | 08 Dec, 2025 |
| Ian T Clark | - | 8,901 | 0 | 16 Jun, 2023 |
| Musa Tariq | - | 8,528 | 0 | 16 Apr, 2026 |
| Musa Tariq | - | 8,394 | 0 | 19 Mar, 2026 |
| Musa Tariq | - | 8,394 | 0 | 19 Mar, 2026 |
| Bahija Jallal | - | 7,408 | 0 | 17 Jun, 2022 |
| Bahija Jallal | - | 7,408 | 0 | 17 Jun, 2022 |
| Bahija Jallal | - | 7,408 | 0 | 17 Jun, 2022 |
| Myrtle S Potter | - | 7,377 | 0 | 16 Jan, 2024 |
| Myrtle S Potter | - | 7,377 | 0 | 16 Jan, 2024 |
| Stanley J Meresman | - | 5,873 | 0 | 17 Jun, 2022 |
| Meghan V. Joyce | - | 4,489 | 0 | 05 Jan, 2024 |
| Roberto Mignone | - | 4,487 | 0 | 23 Mar, 2026 |
| Roberto Mignone | - | 4,487 | 0 | 23 Mar, 2026 |
| Steve E. Krognes | - | 2,776 | 0 | 02 Jan, 2024 |
| Steve E. Krognes | - | 2,776 | 0 | 02 Jan, 2024 |
| Steve E. Krognes | - | 2,776 | 0 | 02 Jan, 2024 |
| Medina Manuel Hidalgo | - | 1,425 | 0 | 18 Mar, 2026 |
| Medina Manuel Hidalgo | - | 1,425 | 0 | 18 Mar, 2026 |
| Medina Manuel Hidalgo | - | 1,425 | 0 | 18 Mar, 2026 |
| Myrtle S Potter | - | 1,299 | 0 | 16 May, 2023 |
| Myrtle S Potter | - | 1,299 | 0 | 16 May, 2023 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Apr, 2026 | Musa Tariq | Common Stock | A | 250 | $0.00 | 8,644 | D | M |
| 15 Apr, 2026 | John G. Saia | Common Stock | A | 7,569 | $0.00 | 69,920 | D | M |
| 16 Apr, 2026 | Musa Tariq | Common Stock | D | 116 | $84.83 | 8,528 | D | S |
| 15 Apr, 2026 | John G. Saia | Common Stock | D | 3,970 | $84.86 | 65,950 | D | F |
| 15 Apr, 2026 | Musa Tariq | Restricted Stock Units | D | 250 | $0.00 | 2,749 | D | M |
| 15 Apr, 2026 | John G. Saia | Restricted Stock Units | D | 7,569 | $0.00 | 0 | D | M |
| 06 Apr, 2026 | Terilyn J. Monroe | Common Stock | D | 3,832 | $92.68 | 20,990 | D | S |
| 01 Apr, 2026 | Terilyn J. Monroe | Common Stock | A | 2,660 | $0.00 | 23,650 | D | M |
| 01 Apr, 2026 | Darya Chudova | Common Stock | A | 1,339 | $0.00 | 65,691 | D | M |
| 01 Apr, 2026 | Craig Eagle | Common Stock | A | 1,714 | $0.00 | 68,094 | D | M |
| 01 Apr, 2026 | Michael Brian Bell | Common Stock | A | 2,084 | $0.00 | 45,685 | D | M |
| 01 Apr, 2026 | Kumud Kalia | Common Stock | A | 1,607 | $0.00 | 45,904 | D | M |
| 31 Mar, 2026 | Amirali Talasaz | Common Stock | A | 2,817 | $0.00 | 2,131,306 | I | M |
| 31 Mar, 2026 | Helmy Eltoukhy | Common Stock | A | 2,817 | $0.00 | 2,097,721 | I | M |
| 01 Apr, 2026 | Chris Freeman | Common Stock | A | 1,929 | $0.00 | 55,500 | D | M |
| 31 Mar, 2026 | Helmy Eltoukhy | Common Stock | D | 1,428 | $92.37 | 2,096,293 | I | F |
| 31 Mar, 2026 | Amirali Talasaz | Common Stock | D | 1,428 | $92.37 | 2,129,878 | I | F |
| 01 Apr, 2026 | Terilyn J. Monroe | Common Stock | A | 5,359 | $0.00 | 29,009 | D | M |
| 01 Apr, 2026 | Craig Eagle | Common Stock | A | 1,667 | $0.00 | 69,761 | D | M |
| 01 Apr, 2026 | Darya Chudova | Common Stock | A | 1,667 | $0.00 | 67,358 | D | M |