2026-05-06T18:52:46-05:00 2025-12-31 760269860 Blazek & Vetterling 2900 Weslayan Suite 200 Houston TX 77027 990PF 2025-01-01 202028290 Endowment for Regional Sustainability Science ENDO 7133775017 2700 Technology Forest Blvd 260 The Woodlands TX 77381 Keith Bickham Secretary 7133775017 2026-05-06 1 Kurt Coburn P01638285 7134395739 2026-05-06 2025 2025-03-06 01:10:19Z X 37018028 X X 153629 153629 298778 298778 4907207 32386463 4907207 5359614 5359614 0 0 0 2705 1352 1353 12000 7200 4800 25630 174 0 3373 0 3373 43708 8726 9526 2055000 2055000 2098708 8726 2064526 3260906 5350888 13113 27413 27413 3163811 4814459 4814459 1890 1890 1890 500000 0 0 500000 500000 23511506 24605574 31674266 26688430 29949336 37018028 0 0 X 0 0 0 0 26688430 29949336 26688430 29949336 26688430 29949336 26688430 3260906 0 29949336 0 29949336 Publicly traded securities 32386463 27479256 4907207 4907207 4907207 74377 0 74377 0 74377 23000 0 0 0 23000 X 0 51377 0 0 0 0 0 0 0 0 0 0 1 1 TX 1 0 0 0 0 1 N/A Keith Bickham 7133775017 2700 Tech Forest Blvd 260 The Woodlands TX 77381 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 J Todd Mitchell 2700 Technology Forest 260 The Woodlands TX 77381 President 0.50 0 0 0 Keith Bickham 2700 Technology Forest 260 The Woodlands TX 77381 Secretary 0.50 0 0 0 Marilu Hastings 2700 Technology Forest 260 The Woodlands TX 77381 Director 0.50 0 0 0 Katherine Lorenz 2700 Technology Forest 260 The Woodlands TX 77381 Director 0.50 0 0 0 Dietrich Scheder-Bieschin 2700 Technology Forest 260 The Woodlands TX 77381 Director 0.50 0 0 0 Jonathan Zonis 2700 Technology Forest 260 The Woodlands TX 77381 Director 0.50 0 0 0 NONE 0 NONE 0 Line of Credit to Houston Advanced Research Center 500000 500000 31074860 3519669 0 34594529 0 0 34594529 518918 34075611 1703781 1703781 74377 74377 1629404 0 1629404 0 1629404 2064526 500000 2564526 1629404 0 0 4247624 865319 1615010 1902417 8630370 2564526 0 0 0 1629404 935122 0 0 9565492 0 0 0 0 0 0 4247624 5317868 865319 1615010 1902417 935122 X Houston Advanced Research Center 4800 Research Forest Dr The Woodlands TX 77381 N/A PC Educational, charitable, and scientific programs 2055000 2055000 0 14 153629 14 298778 18 4907207 0 5359614 0 5359614 0 0 0 0 0 0 0 0 0 0 Tax compliance 2705 1352 1353 Keith Bickham The organization paid a management fee of $12,000 to Mitchell Family Corporation, pursuant to a shared services agreement, for ordinary and necessary personal services performed for the foundation during the tax year. Keith Bickham is employed by Mitchell Family Corporation. He is not employed or compensated by the foundation. It is not feasible to determine the portion of the management fee attributed directly to Keith Bickham's services, due to the nature of the shared services agreement. The organization is making this disclosure pursuant to revised IRS guidance per Announcement 2021-18. Advanced Micro Devices Inc 472751 428320 Alphabet Inc Cl A 754050 939000 Amazon.Com Inc 934600 1154100 Atmos Energy Corp 532919 502890 Cardinal Health Inc 435750 616500 Caterpillar Inc 712375 1432175 Cboe Global Markets Inc 447200 1004000 Cencora Inc 1113833 1209145 Cisco Systems Inc 457080 462180 CME Group Inc Cl A 276898 273080 Corning Inc 96330 87560 Cummins Inc 570580 1020900 Electronic Arts Inc 766605 1001217 EQT Corp 324900 321600 Evergy Inc 392000 362450 Exelon Corp 203100 217950 Expedia Group Inc 280400 283310 Expeditors Intl Wash Inc 510300 521535 First Solar Inc 1078341 1044920 GE Vernova Llc 1237000 1633925 Gilead Sciences Inc 619300 613700 Goldman Sachs Group Inc 382000 879000 Intl Business Machines Corp 581200 592420 Jabil Inc 1308940 1596140 Johnson Controls Intl Plc 89000 119750 KLA Corp 458700 486032 Leidos Holdings Inc 438647 432960 Micron Technology Inc 605400 856230 Morgan Stanley 183190 177530 Nasdaq Inc 470000 485650 Nisource Inc 254424 313200 Quanta Services Inc 524000 1688240 Robinhood Markets Inc Cl A 666100 565500 Rollins Inc 480000 480160 State Street Corp 129300 129010 Tapestry Inc 392715 574965 TE Connectivity Plc 459740 455020 Tesla Inc 1041000 1349160 TJX Cos Inc 555552 1105992 Travelers Cos Inc 599799 870180 Western Digital Corp 308900 861350 Xylem Inc 197775 204270 Vanguard Total World Stock ETF 549880 564240 State Street Spdr S&P Biotech ETF 595000 609650 State Street Utils Select Sector Spdr ETF 442000 426900 Vaneck Semiconductor ETF 676000 720260 Bank service charges 169 0 169 Insurance 3204 0 3204 Houston Advanced Research Center 500000 Management services 12000 7200 4800 Excise tax 25456 0 0 Foreign tax 174 174 0