SEC Insider Transactions from Chudova Darya.

Last updated: 2026-04-02 23:06 UTC | Total transactions: 112

Chudova Darya, Chief Technology Officer at Guardant Health Inc. ($GH), sold nearly $3 million worth of company shares in three open market transactions over the past year. Her most recent sale occurred on December 15, 2025. These sales rank her 2,735th among 11,678 individual insiders by total value sold, below the average of $8.6 million per insider and 6.4 transactions. She made no open market purchases in this period.

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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 Chudova Darya Chief Technology Officer M Restricted Stock Units 6699 $0.00 13,603.0000 131,170,441 33.00% 0.01%
April 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 3324 $0.00 19,944.0000 131,170,441 14.29% 0.00%
April 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1667 $0.00 3,335.0000 131,170,441 33.33% 0.00%
April 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1339 $0.00 2,679.0000 131,170,441 33.33% 0.00%
April 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 7005 $91.15 70,376.0000 131,170,441 9.05% 0.01%
April 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 6699 $0.00 77,381.0000 131,170,441 9.48% 0.01%
April 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 3324 $0.00 70,682.0000 131,170,441 4.93% 0.00%
April 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1667 $0.00 67,358.0000 131,170,441 2.54% 0.00%
April 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1339 $0.00 65,691.0000 131,170,441 2.08% 0.00%
March 15, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 10714 $0.00 70,111.0000 131,170,441 18.04% 0.01%
March 15, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Performance-Based Restricted Stock Units 10714 $0.00 0.0000 131,170,441 100.00% 0.01%
March 15, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 5759 $85.49 64,352.0000 131,170,441 8.21% 0.00%
March 11, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer A Restricted Stock Units 23856 $0.00 23,856.0000 131,170,441 9999.99% 0.02%
Dec. 8, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer J Common Stock 44942 $0.00 68,935.0000 126,041,089 39.47% 0.04%
Dec. 8, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer J Common Stock 44942 $0.00 71,908.0000 126,041,089 166.66% 0.04%
Dec. 17, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer G Common Stock 2973 $0.00 68,935.0000 126,041,089 4.13% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1667 $0.00 5,002.0000 126,041,089 25.00% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1339 $0.00 8,351.0000 126,041,089 19.10% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 10714 $0.00 19,065.0000 126,041,089 128.30% 0.01%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1667 $0.00 20,732.0000 126,041,089 8.74% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 5688 $0.00 26,420.0000 126,041,089 27.44% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 3324 $0.00 29,744.0000 126,041,089 12.58% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 12316 $102.14 17,428.0000 126,041,089 41.41% 0.01%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1339 $0.00 4,018.0000 126,041,089 25.00% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 3324 $0.00 23,268.0000 126,041,089 12.50% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Performance-Based Restricted Stock Units 5688 $0.00 16,402.0000 126,041,089 25.75% 0.00%
Jan. 1, 2026 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Performance-Based Restricted Stock Units 10714 $0.00 10,714.0000 126,041,089 50.00% 0.01%
Dec. 15, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer S Common Stock 5451 $104.04 7,012.0000 126,041,089 43.74% 0.00%
Dec. 8, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer J Common Stock 68144 $0.00 80,607.0000 126,041,089 546.77% 0.05%
Dec. 8, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer J Common Stock 68144 $0.00 76,214.0000 126,041,089 47.20% 0.05%
Dec. 8, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer S Common Stock 13664 $105.04 66,943.0000 126,041,089 16.95% 0.01%
Dec. 8, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer S Common Stock 9271 $106.00 66,943.0000 126,041,089 12.16% 0.01%
Oct. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1668 $0.00 6,669.0000 123,421,441 20.01% 0.00%
Oct. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 13097 $0.00 26,592.0000 123,421,441 33.00% 0.01%
Oct. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1339 $0.00 5,357.0000 123,421,441 20.00% 0.00%
Oct. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 8163 $62.65 89,390.0000 123,421,441 8.37% 0.01%
Oct. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 13097 $0.00 97,553.0000 123,421,441 15.51% 0.01%
Oct. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1668 $0.00 84,456.0000 123,421,441 2.01% 0.00%
Oct. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1339 $0.00 82,788.0000 123,421,441 1.64% 0.00%
Sept. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 316 $0.00 0.0000 123,421,441 100.00% 0.00%
Sept. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 316 $0.00 81,610.0000 123,421,441 0.39% 0.00%
Sept. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 161 $67.42 81,449.0000 123,421,441 0.20% 0.00%
July 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1340 $0.00 6,696.0000 123,421,441 16.67% 0.00%
July 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1667 $0.00 82,819.0000 123,421,441 2.05% 0.00%
July 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1667 $0.00 8,337.0000 123,421,441 16.66% 0.00%
July 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1340 $0.00 81,152.0000 123,421,441 1.68% 0.00%
July 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 1525 $50.71 81,294.0000 123,421,441 1.84% 0.00%
June 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 316 $0.00 79,973.0000 123,421,441 0.40% 0.00%
June 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 161 $40.62 79,812.0000 123,421,441 0.20% 0.00%
June 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 316 $0.00 316.0000 123,421,441 50.00% 0.00%
May 15, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 8705 $0.00 17,411.0000 123,421,441 33.33% 0.01%
May 15, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 8705 $0.00 83,210.0000 123,421,441 11.68% 0.01%
May 15, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 4412 $40.46 78,798.0000 123,421,441 5.30% 0.00%
April 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1339 $0.00 8,036.0000 123,421,441 14.28% 0.00%
April 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1339 $0.00 74,362.0000 123,421,441 1.83% 0.00%
April 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1667 $0.00 76,029.0000 123,421,441 2.24% 0.00%
April 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 1524 $42.47 74,505.0000 123,421,441 2.00% 0.00%
April 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1667 $0.00 10,004.0000 123,421,441 14.28% 0.00%
March 12, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer A Stock Option (Right to Buy) 30453 $0.00 30,453.0000 123,421,441 9999.99% 0.02%
March 12, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer A Restricted Stock Units 20302 $0.00 20,302.0000 123,421,441 9999.99% 0.02%
March 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 315 $0.00 76,065.0000 123,421,441 0.42% 0.00%
March 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 3042 $42.55 73,023.0000 123,421,441 4.00% 0.00%
March 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Performance-Based Restricted Stock Units 5686 $0.00 28,438.0000 123,421,441 16.66% 0.00%
March 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 5686 $0.00 75,750.0000 123,421,441 8.12% 0.00%
March 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 315 $0.00 632.0000 123,421,441 33.26% 0.00%
Feb. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 8352 $46.98 70,064.0000 0 10.65% 0.00%
Feb. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 21863 $0.00 78,416.0000 0 38.66% 0.00%
Feb. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Performance-Based Restricted Stock Units 21863 $0.00 0.0000 0 100.00% 0.00%
Jan. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1339 $0.00 9,375.0000 0 12.50% 0.00%
Jan. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1339 $0.00 56,119.0000 0 2.44% 0.00%
Jan. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1667 $0.00 57,786.0000 0 2.97% 0.00%
Jan. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 1233 $30.55 56,553.0000 0 2.13% 0.00%
Jan. 1, 2025 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1667 $0.00 11,671.0000 0 12.50% 0.00%
Dec. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 161 $35.61 54,780.0000 0 0.29% 0.00%
Dec. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 316 $0.00 54,941.0000 0 0.58% 0.00%
Dec. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 316 $0.00 947.0000 0 25.02% 0.00%
Nov. 8, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer A Stock Option (Right to Buy) 59534 $0.00 59,534.0000 0 9999.99% 0.00%
Nov. 8, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer A Restricted Stock Units 39689 $0.00 39,689.0000 0 9999.99% 0.00%
Nov. 4, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 4945 $23.60 54,625.0000 0 8.30% 0.00%
Nov. 4, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 9756 $0.00 59,570.0000 0 19.58% 0.00%
Nov. 4, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 9756 $0.00 0.0000 0 100.00% 0.00%
Oct. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1339 $0.00 10,714.0000 0 11.11% 0.00%
Oct. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 6569 $0.00 13,338.0000 0 33.00% 0.00%
Oct. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 4009 $22.12 49,814.0000 0 7.45% 0.00%
Oct. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 6569 $0.00 53,823.0000 0 13.90% 0.00%
Oct. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1339 $0.00 47,254.0000 0 2.92% 0.00%
Sept. 9, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 2909 $0.00 47,175.0000 0 6.57% 0.00%
Sept. 9, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 1260 $23.77 45,915.0000 0 2.67% 0.00%
Sept. 9, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 2909 $0.00 0.0000 0 100.00% 0.00%
Sept. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 316 $0.00 1,263.0000 0 20.01% 0.00%
Sept. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 316 $0.00 44,379.0000 0 0.72% 0.00%
Sept. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 113 $25.58 44,266.0000 0 0.25% 0.00%
July 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 478 $28.26 44,063.0000 0 1.07% 0.00%
July 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1339 $0.00 44,541.0000 0 3.10% 0.00%
July 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1339 $0.00 12,053.0000 0 10.00% 0.00%
June 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 113 $27.10 43,202.0000 0 0.26% 0.00%
June 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 315 $0.00 43,315.0000 0 0.73% 0.00%
June 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 315 $0.00 1,579.0000 0 16.63% 0.00%
May 15, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 8705 $0.00 26,116.0000 0 25.00% 0.00%
May 15, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 8705 $0.00 46,106.0000 0 23.27% 0.00%
May 15, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 3106 $25.75 43,000.0000 0 6.74% 0.00%
April 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 1340 $0.00 36,831.0000 0 3.78% 0.00%
April 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 1340 $0.00 13,392.0000 0 9.10% 0.00%
April 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 527 $20.25 36,304.0000 0 1.43% 0.00%
March 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Restricted Stock Units 316 $0.00 1,894.0000 0 14.30% 0.00%
March 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F Common Stock 130 $18.97 35,491.0000 0 0.36% 0.00%
March 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M Common Stock 316 $0.00 35,621.0000 0 0.90% 0.00%
Jan. 16, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M STOCK OPTION (RIGHT TO BUY) 6626 $0.00 2,356.0000 0 73.77% 0.00%
Jan. 16, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M COMMON STOCK 6626 $8.80 35,305.0000 0 23.10% 0.00%
Jan. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer F COMMON STOCK 549 $27.05 28,679.0000 0 1.88% 0.00%
Jan. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M COMMON STOCK 1339 $0.00 29,228.0000 0 4.80% 0.00%
Jan. 1, 2024 Guardant Health, Inc. $GH Chudova Darya Chief Technology Officer M RESTRICTED STOCK UNITS 1339 $0.00 14,732.0000 0 8.33% 0.00%