Roberto Mignone insider trades

Open-market stock purchases and sales by Roberto Mignone, Director at Guardant Health, Inc, from SEC Form 4 filings since May 9, 2018.

Track record: 100% of 2 scored buys are up 5% or more since purchase, averaging +111%.

Recent trades

DateStockTradeValue
Oct 21, 2026GH Guardant Health, IncBought (not open market)—
Oct 21, 2026GH Guardant Health, IncBought (not open market)—
Sep 21, 2026GH Guardant Health, IncBought (not open market)—
Sep 18, 2026TEVA Teva Pharmaceutical Industries LtdSold$14.4M
Aug 21, 2026GH Guardant Health, IncBought (not open market)—
Jul 21, 2026GH Guardant Health, IncBought (not open market)—
Jun 21, 2026GH Guardant Health, IncBought (not open market)—
Jun 17, 2026GH Guardant Health, IncBought (not open market)—
Jun 17, 2026GH Guardant Health, IncBought (not open market)—
Jun 5, 2026TEVA Teva Pharmaceutical Industries LtdBought (not open market)—
May 28, 2026TEVA Teva Pharmaceutical Industries LtdBought (not open market)—
May 21, 2026GH Guardant Health, IncBought (not open market)—
Apr 21, 2026GH Guardant Health, IncBought (not open market)—
Mar 21, 2026GH Guardant Health, IncBought (not open market)—
Feb 21, 2026GH Guardant Health, IncBought (not open market)—
Jan 21, 2026GH Guardant Health, IncBought (not open market)—
Dec 21, 2025GH Guardant Health, IncBought (not open market)—
Dec 16, 2025TEVA Teva Pharmaceutical Industries LtdSold$2.3M
Nov 26, 2025TEVA Teva Pharmaceutical Industries LtdSold$1.3M
Nov 21, 2025GH Guardant Health, IncBought (not open market)—
Nov 6, 2025TEVA Teva Pharmaceutical Industries LtdSold$4.8M

Companies traded

  • GH Guardant Health, Inc: other filings, last Oct 21, 2026
  • TEVA Teva Pharmaceutical Industries Ltd: 2 buys, 6 sales, last Sep 18, 2026
  • AVAN Avanti Acquisition Corp: 1 buy, last Oct 1, 2020

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