Insider buying on Aug 20, 2026
Insiders at 58 companies reported 119 open-market buys of their own stock on Aug 20, 2026. Plan trades are left out.
Newest first
WhoTradeCompanyValueTradedThe stock’s closing price from the first session on or after the trade day to the latest close, with the S&P 500 over the same days. A fact about the stock, not a result anyone earned.
Thomas C. ChenCEOBoughtRaised their holding by 1,349%
Neonc Technologies HoldingsNTHI$70K12,757 shares at $5.49Aug 1869d agoStock since trade−40.9%Aug 18, 2026 close $5.53 → Oct 23, 2026 close $3.27. S&P 500 −1.0% over the same days.
Thomas C. ChenChief Scientific OfficerBoughtRaised their holding by 0.4%
Neonc Technologies HoldingsNTHI$10K2,472 shares at $4.04Aug 1770d agoStock since trade−33.4%Aug 17, 2026 close $4.91 → Oct 23, 2026 close $3.27. S&P 500 −1.6% over the same days.
Thomas C. ChenChief Scientific OfficerBoughtRaised their holding by 6.2%
Neonc Technologies HoldingsNTHI$130K33,787 shares at $3.85Aug 1473d agoStock since trade−22.5%Aug 14, 2026 close $4.22 → Oct 23, 2026 close $3.27. S&P 500 −2.1% over the same days.
Thomas C. ChenChief Scientific OfficerBoughtNew holding
Neonc Technologies HoldingsNTHI$48K10,000 shares at $4.80Apr 24185d agoStock since trade−31.6%Apr 24, 2026 close $4.78 → Oct 23, 2026 close $3.27. S&P 500 +6.5% over the same days.
Thomas C. ChenChief Scientific OfficerBoughtNew holding
Neonc Technologies HoldingsNTHI$4.9K948 shares at $5.17Apr 10199d agoStock since trade−39.9%Apr 10, 2026 close $5.44 → Oct 23, 2026 close $3.27. S&P 500 +11.8% over the same days.
Casey M. TanseyDirectorBoughtRaised their holding by 5.5%
Mobia MedicalMOBI$198.5K16,441 shares at $12.07Aug 1869d agoStock since trade−8.5%Aug 18, 2026 close $11.73 → Oct 26, 2026 close $10.73. S&P 500 −1.0% over the same days.
Kenneth S. CourtisDirectorBoughtRaised their holding by 0.5%
Alpha Metallurgical ResourcesAMR$1.04M5,363 shares at $194.48Aug 2067d agoStock since trade−18.0%Aug 20, 2026 close $194.30 → Oct 22, 2026 close $159.39. S&P 500 +0.2% over the same days.
Kenneth S. CourtisDirectorBoughtRaised their holding by 0.6%
Alpha Metallurgical ResourcesAMR$1.16M5,976 shares at $193.68Aug 2067d agoStock since trade−18.0%Aug 20, 2026 close $194.30 → Oct 22, 2026 close $159.39. S&P 500 +0.2% over the same days.
Kenneth S. CourtisDirectorBoughtRaised their holding by 0.1%
Alpha Metallurgical ResourcesAMR$237.9K1,234 shares at $192.80Aug 2067d agoStock since trade−18.0%Aug 20, 2026 close $194.30 → Oct 22, 2026 close $159.39. S&P 500 +0.2% over the same days.
Kenneth S. CourtisDirectorBoughtRaised their holding by 0.1%
Alpha Metallurgical ResourcesAMR$221.1K1,151 shares at $192.09Aug 2067d agoStock since trade−18.0%Aug 20, 2026 close $194.30 → Oct 22, 2026 close $159.39. S&P 500 +0.2% over the same days.