Insider buying on Aug 11, 2025
Insiders at 57 companies reported 122 open-market buys of their own stock on Aug 11, 2025. 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.
John F. SheridanPresident & CEOBoughtRaised their holding by 10%
Tandem Diabetes CareTNDM$102.3K10,000 shares at $10.23Aug 11, 20251y agoStock since trade+86.8%Aug 11, 2025 close $10.11 → Oct 26, 2026 close $18.90. S&P 500 +20.4% over the same days.
Michael OsanlooPresident & CEOBoughtRaised their holding by 3.2%
Portillo'sPTLO$16K2,000 shares at $8.00Aug 11, 20251y agoStock since trade−46.4%Aug 11, 2025 close $7.85 → Oct 23, 2026 close $4.21. S&P 500 +19.5% over the same days.
Sean P. LeubaSVP, Corp. Development & GCBoughtRaised their holding by 25%
Mayville EngineeringMEC$6.8K500 shares at $13.56Aug 11, 20251y agoStock since trade−7.1%Aug 11, 2025 close $13.68 → Oct 23, 2026 close $12.71. S&P 500 +19.5% over the same days.
Dennis J. LangwellDirectorBoughtRaised their holding by 50%
Safety Insurance GroupSAFT$143K2,000 shares at $71.49Aug 11, 20251y agoStock since trade+43.8%Aug 11, 2025 close $72.35 → Oct 26, 2026 close $104.05. S&P 500 +20.4% over the same days.
Michael Shawn SimmonsVice Chairman of the BoardBoughtNew holding
Kronos WorldwideKRO$24.4K5,000 shares at $4.87Aug 11, 20251y agoStock since trade+50.7%Aug 11, 2025 close $5.05 → Oct 26, 2026 close $7.61. S&P 500 +20.4% over the same days.
Amy A. SamfordExecutive VP, FinanceBoughtRaised their holding by 150%Kronos WorldwideKRO$14.5K3,000 shares at $4.83Aug 11, 20251y agoStock since trade+50.7%Aug 11, 2025 close $5.05 → Oct 26, 2026 close $7.61. S&P 500 +20.4% over the same days.
Jared IsaacmanExecutive ChairmanBoughtRaised their holding by 12%
Shift4 PaymentsFOUR-PA$8.75M104,705 shares at $83.61Aug 11, 20251y agoStock since trade−46.8%Aug 11, 2025 close $99.38 → Oct 22, 2026 close $52.88. S&P 500 +20.1% over the same days.
Evan Jacob KasowitzPresident, Belmont HoldingsBoughtNew holding
Global Indemnity GroupGBLI$3.1K106 shares at $29.18Aug 11, 20251y agoStock since trade−13.3%Aug 11, 2025 close $27.84 → Oct 23, 2026 close $24.13. S&P 500 +19.5% over the same days.
Peter M. NeupertDirectorBoughtRaised their holding by 49%
Fortrea HoldingsFTRE$203.4K32,500 shares at $6.26Aug 11, 20251y agoStock since trade+269.8%Aug 11, 2025 close $6.39 → Oct 23, 2026 close $23.63. S&P 500 +19.5% over the same days.
Frederick D. DiSantoDirectorBoughtRaised their holding by 0.2%
EasternEML$4.5K200 shares at $22.50Aug 11, 20251y agoStock since trade+6.8%Aug 11, 2025 close $22.64 → Oct 23, 2026 close $24.18. S&P 500 +19.5% over the same days.