Insider buying on Sep 18, 2025
Insiders at 17 companies reported 29 open-market buys of their own stock on Sep 18, 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.
Glenn HiltpoldVP of Actuarial ServicesBoughtRaised their holding by 0.4%
Safety Insurance GroupSAFT$3.9K55 shares at $71.74Sep 18, 20251y agoStock since trade+43.3%Sep 18, 2025 close $72.59 → Oct 26, 2026 close $104.05. S&P 500 +15.6% over the same days.
Matthew GlineCEOBought
Roivant SciencesROIV$50K3,315 shares at $15.07Sep 18, 20251y agoStock since trade+138.9%Sep 18, 2025 close $15.09 → Oct 26, 2026 close $36.05. S&P 500 +15.6% over the same days.
Larry PaulsonDirectorBoughtRaised their holding by 6.4%
Energy Vault HoldingsNRGV$48K20,000 shares at $2.40Sep 18, 20251y agoStock since trade−2.2%Sep 18, 2025 close $2.68 → Oct 26, 2026 close $2.62. S&P 500 +15.6% over the same days.
David PortnoyChairman, Co-CEOBoughtRaised their holding by 1.1%
Cryo Cell InternationalCCEL$7.9K1,751 shares at $4.49Sep 18, 20251y agoStock since trade−0.9%Sep 18, 2025 close $4.50 → Oct 23, 2026 close $4.46. S&P 500 +14.8% over the same days.
David PortnoyChairman, Co-CEOBoughtRaised their holding by 0.4%Cryo Cell InternationalCCEL$15.2K3,411 shares at $4.46Sep 18, 20251y agoStock since trade−0.9%Sep 18, 2025 close $4.50 → Oct 23, 2026 close $4.46. S&P 500 +14.8% over the same days.
Murray StahlPresident/Co-Portfolio ManagerBoughtRaised their holding by 0.1%
RENN FundRCG$217.3082 shares at $2.65Sep 17, 20251y agoStock since trade+1.9%Sep 17, 2025 close $2.64 → Oct 26, 2026 close $2.69. S&P 500 +16.1% over the same days.
Murray StahlPresident/Co-Portfolio ManagerBoughtRaised their holding by 0.2%RENN FundRCG$47.7018 shares at $2.65Sep 17, 20251y agoStock since trade+1.9%Sep 17, 2025 close $2.64 → Oct 26, 2026 close $2.69. S&P 500 +16.1% over the same days.
Murray StahlPresident/Co-Portfolio ManagerBoughtRaised their holding by 0.1%RENN FundRCG$784.40296 shares at $2.65Sep 17, 20251y agoStock since trade+1.9%Sep 17, 2025 close $2.64 → Oct 26, 2026 close $2.69. S&P 500 +16.1% over the same days.
Murray StahlPresident/Co-Portfolio ManagerBoughtRaised their holding by 0.1%RENN FundRCG$477.00180 shares at $2.65Sep 17, 20251y agoStock since trade+1.9%Sep 17, 2025 close $2.64 → Oct 26, 2026 close $2.69. S&P 500 +16.1% over the same days.
Murray StahlPresident/Co-Portfolio ManagerBoughtRaised their holding by 0.2%RENN FundRCG$477.00180 shares at $2.65Sep 17, 20251y agoStock since trade+1.9%Sep 17, 2025 close $2.64 → Oct 26, 2026 close $2.69. S&P 500 +16.1% over the same days.