Talasaz AmirAli, Co-Chief Executive Officer of Guardant Health, Inc. ($GH), sold shares on the open market 18 times in the last 365 days, totaling $27.5 million. His most recent sale occurred on December 8, 2025. These sales rank 511th among 11,678 insiders in our database, surpassing the average sale amount of $8.6 million and 6.4 transactions per insider. Talasaz AmirAli made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 23997 | $0.00 | 71,992.0000 | 131,170,441 | 25.00% | 0.02% |
| March 31, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 2817 | $0.00 | 2,131,306.0000 | 131,170,441 | 0.13% | 0.00% |
| March 31, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 1428 | $92.37 | 2,129,878.0000 | 131,170,441 | 0.07% | 0.00% |
| April 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 23997 | $0.00 | 2,153,875.0000 | 131,170,441 | 1.13% | 0.02% |
| April 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 9716 | $0.00 | 2,163,591.0000 | 131,170,441 | 0.45% | 0.01% |
| April 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 17087 | $91.15 | 2,146,504.0000 | 131,170,441 | 0.79% | 0.01% |
| March 31, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 2817 | $0.00 | 8,451.0000 | 131,170,441 | 25.00% | 0.00% |
| April 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 9716 | $0.00 | 68,011.0000 | 131,170,441 | 12.50% | 0.01% |
| Jan. 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 13209 | $0.00 | 2,128,489.0000 | 126,041,089 | 0.62% | 0.01% |
| March 13, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 13664 | $85.49 | 2,128,489.0000 | 131,170,441 | 0.64% | 0.01% |
| Jan. 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 38283 | $0.00 | 77,727.0000 | 126,041,089 | 33.00% | 0.03% |
| March 13, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Performance-Based Restricted Stock Units | 26961 | $0.00 | 0.0000 | 131,170,441 | 100.00% | 0.02% |
| March 17, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | A | Restricted Stock Units | 11268 | $0.00 | 11,268.0000 | 131,170,441 | 9999.99% | 0.01% |
| March 17, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | A | Restricted Stock Units | 101409 | $0.00 | 101,409.0000 | 131,170,441 | 9999.99% | 0.08% |
| March 13, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 26961 | $0.00 | 2,142,153.0000 | 131,170,441 | 1.27% | 0.02% |
| Jan. 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 19402 | $102.14 | 2,115,192.0000 | 126,041,089 | 0.91% | 0.02% |
| Jan. 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 38283 | $0.00 | 2,134,594.0000 | 126,041,089 | 1.83% | 0.03% |
| Jan. 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 13209 | $0.00 | 2,096,311.0000 | 126,041,089 | 0.63% | 0.01% |
| Dec. 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 82854 | $0.00 | 2,096,311.0000 | 126,041,089 | 3.80% | 0.07% |
| Dec. 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 2000248 | $0.00 | 2,096,311.0000 | 126,041,089 | 48.83% | 1.59% |
| Dec. 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 82854 | $0.00 | 2,096,311.0000 | 126,041,089 | 4.12% | 0.07% |
| Dec. 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 2000248 | $0.00 | 2,013,457.0000 | 126,041,089 | 9999.99% | 1.59% |
| Jan. 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 10788 | $102.14 | 2,013,457.0000 | 126,041,089 | 0.53% | 0.01% |
| Jan. 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 23997 | $0.00 | 2,024,245.0000 | 126,041,089 | 1.20% | 0.02% |
| Dec. 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 2441 | $102.14 | 2,000,248.0000 | 126,041,089 | 0.12% | 0.00% |
| Dec. 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 4815 | $0.00 | 2,002,689.0000 | 126,041,089 | 0.24% | 0.00% |
| Jan. 1, 2026 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 23997 | $0.00 | 95,989.0000 | 126,041,089 | 20.00% | 0.02% |
| Dec. 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 4815 | $0.00 | 0.0000 | 126,041,089 | 100.00% | 0.00% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 15000 | $104.21 | 454,300.0000 | 126,041,089 | 3.20% | 0.01% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 4240 | $106.00 | 419,300.0000 | 126,041,089 | 1.00% | 0.00% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 30760 | $105.34 | 423,540.0000 | 126,041,089 | 6.77% | 0.02% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 15000 | $104.21 | 454,300.0000 | 126,041,089 | 3.20% | 0.01% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 4240 | $106.00 | 419,300.0000 | 126,041,089 | 1.00% | 0.00% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 30760 | $105.34 | 423,540.0000 | 126,041,089 | 6.77% | 0.02% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 193973 | $0.00 | 469,300.0000 | 126,041,089 | 70.45% | 0.15% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 193973 | $0.00 | 469,300.0000 | 126,041,089 | 70.45% | 0.15% |
| Dec. 8, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Common Stock | 387946 | $0.00 | 419,300.0000 | 126,041,089 | 48.06% | 0.31% |
| Sept. 30, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 4814 | $0.00 | 4,815.0000 | 123,421,441 | 49.99% | 0.00% |
| Oct. 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 23997 | $0.00 | 2,010,036.0000 | 123,421,441 | 1.21% | 0.02% |
| Sept. 30, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 2440 | $62.48 | 1,986,039.0000 | 123,421,441 | 0.12% | 0.00% |
| Sept. 30, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 4814 | $0.00 | 1,988,479.0000 | 123,421,441 | 0.24% | 0.00% |
| Oct. 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 23997 | $0.00 | 119,986.0000 | 123,421,441 | 16.67% | 0.02% |
| Oct. 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 12162 | $62.65 | 1,997,874.0000 | 123,421,441 | 0.61% | 0.01% |
| July 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 23997 | $0.00 | 143,983.0000 | 123,421,441 | 14.29% | 0.02% |
| June 30, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 2441 | $52.04 | 2,071,830.0000 | 123,421,441 | 0.12% | 0.00% |
| June 30, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 4815 | $0.00 | 2,074,271.0000 | 123,421,441 | 0.23% | 0.00% |
| June 30, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 4815 | $0.00 | 9,629.0000 | 123,421,441 | 33.34% | 0.00% |
| July 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 12162 | $50.71 | 1,983,665.0000 | 123,421,441 | 0.61% | 0.01% |
| July 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 23997 | $0.00 | 1,995,827.0000 | 123,421,441 | 1.22% | 0.02% |
| July 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 27932 | $51.40 | 1,971,830.0000 | 123,421,441 | 1.40% | 0.02% |
| July 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 72068 | $50.67 | 1,999,762.0000 | 123,421,441 | 3.48% | 0.06% |
| June 5, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 1680 | $50.00 | 2,187,060.0000 | 123,421,441 | 0.08% | 0.00% |
| June 9, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 77853 | $50.09 | 2,069,456.0000 | 123,421,441 | 3.63% | 0.06% |
| June 6, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 39751 | $50.07 | 2,147,309.0000 | 123,421,441 | 1.82% | 0.03% |
| May 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 18069 | $47.67 | 2,291,387.0000 | 123,421,441 | 0.78% | 0.01% |
| May 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 38477 | $48.71 | 2,252,910.0000 | 123,421,441 | 1.68% | 0.03% |
| May 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 44691 | $49.53 | 2,208,219.0000 | 123,421,441 | 1.98% | 0.04% |
| May 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 3445 | $50.91 | 2,204,774.0000 | 123,421,441 | 0.16% | 0.00% |
| May 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 1748 | $51.56 | 2,203,026.0000 | 123,421,441 | 0.08% | 0.00% |
| May 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 354 | $52.57 | 2,202,672.0000 | 123,421,441 | 0.02% | 0.00% |
| May 2, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | S | Common Stock | 13932 | $50.47 | 2,188,740.0000 | 123,421,441 | 0.63% | 0.01% |
| April 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 23998 | $0.00 | 167,980.0000 | 123,421,441 | 12.50% | 0.02% |
| March 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 4814 | $0.00 | 2,300,061.0000 | 123,421,441 | 0.21% | 0.00% |
| March 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 2440 | $42.60 | 2,297,621.0000 | 123,421,441 | 0.11% | 0.00% |
| April 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 23998 | $0.00 | 2,321,619.0000 | 123,421,441 | 1.04% | 0.02% |
| April 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 12163 | $42.47 | 2,309,456.0000 | 123,421,441 | 0.52% | 0.01% |
| March 31, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 4814 | $0.00 | 14,444.0000 | 123,421,441 | 25.00% | 0.00% |
| March 14, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 34853 | $42.89 | 2,295,247.0000 | 123,421,441 | 1.50% | 0.03% |
| March 14, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 68769 | $0.00 | 2,330,100.0000 | 123,421,441 | 3.04% | 0.06% |
| March 14, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Performance-Based Restricted Stock Units | 68769 | $0.00 | 0.0000 | 123,421,441 | 100.00% | 0.06% |
| March 12, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | A | Restricted Stock Units | 19258 | $0.00 | 19,258.0000 | 123,421,441 | 9999.99% | 0.02% |
| March 12, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | A | Restricted Stock Units | 116010 | $0.00 | 116,010.0000 | 123,421,441 | 9999.99% | 0.09% |
| Dec. 31, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 11462 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Jan. 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 94555 | $0.00 | 191,978.0000 | 0 | 33.00% | 0.00% |
| Jan. 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 43309 | $30.55 | 2,261,331.0000 | 0 | 1.88% | 0.00% |
| Jan. 1, 2025 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 94555 | $0.00 | 2,304,640.0000 | 0 | 4.28% | 0.00% |
| Dec. 31, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 5809 | $30.55 | 2,210,085.0000 | 0 | 0.26% | 0.00% |
| Dec. 31, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 11462 | $0.00 | 2,215,894.0000 | 0 | 0.52% | 0.00% |
| Sept. 30, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 11461 | $0.00 | 2,210,241.0000 | 0 | 0.52% | 0.00% |
| Sept. 30, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 5809 | $22.94 | 2,204,432.0000 | 0 | 0.26% | 0.00% |
| Sept. 30, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 11461 | $0.00 | 11,462.0000 | 0 | 50.00% | 0.00% |
| June 30, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 11462 | $0.00 | 22,923.0000 | 0 | 33.33% | 0.00% |
| June 30, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 11462 | $0.00 | 2,204,589.0000 | 0 | 0.52% | 0.00% |
| June 30, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 5809 | $28.88 | 2,198,780.0000 | 0 | 0.26% | 0.00% |
| May 2, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 283830 | $4.18 | 2,193,127.0000 | 0 | 14.87% | 0.00% |
| May 2, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Stock Option (Right to Buy) | 283830 | $0.00 | 283,829.0000 | 0 | 50.00% | 0.00% |
| March 31, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | F | Common Stock | 4509 | $20.63 | 1,909,297.0000 | 0 | 0.24% | 0.00% |
| March 31, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Common Stock | 11461 | $0.00 | 1,913,806.0000 | 0 | 0.60% | 0.00% |
| March 31, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | M | Restricted Stock Units | 11461 | $0.00 | 34,385.0000 | 0 | 25.00% | 0.00% |
| March 18, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | A | Restricted Stock Units | 286533 | $0.00 | 286,533.0000 | 0 | 9999.99% | 0.00% |
| March 18, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | A | Restricted Stock Units | 45846 | $0.00 | 45,846.0000 | 0 | 9999.99% | 0.00% |
| March 18, 2024 | Guardant Health, Inc. | $GH | Talasaz AmirAli | Co-Chief Executive Officer | J | Performance-Based Restricted Stock Units | 1130382 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |