2026-05-13T21:50:31-04:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 883669355 The Sammann Family Foundation % Foundation Source SAMM 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Elizabeth Sammann President 8008391754 2026-05-07 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 3509288 X 1400000 14694 14694 64919 64919 5310 349435 5310 19526 19526 1504449 104449 0 900 13484 13484 14384 0 13484 232680 232680 247064 0 246164 1257385 104449 0 37176 702174 702174 1850155 2442542 2807114 1887331 3144716 3509288 0 0 X 1887331 3144716 1887331 3144716 1887331 3144716 1887331 1257385 3144716 3144716 Publicly-traded Securities 349435 344125 5310 5310 5310 1452 1452 1452 1023 0 1023 X 0 429 0 false false false false false false false true true DE true false false false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 false false false false false false false false false false false false false false false false false false false false false Blake Sammann Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Cooper Sammann Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Derek Sammann Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Treas 1.0 0 0 0 Elizabeth Sammann Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Sec 1.0 0 0 0 Tyler Sammann Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 2248184 478587 0 2726771 0 2726771 40902 2685869 134293 134293 1452 1452 132841 132841 132841 246164 0 0 0 0 246164 132841 5965 7864 154144 167973 246164 132841 113323 281296 0 281296 5965 7864 154144 113323 Derek Sammann Elizabeth Sammann X AMERICAN NATIONAL RED CROSS 2200 WEST HARRISON ST CHICAGO IL 60612 N/A PC Alaska's Storms and Floods Relief 2500 ANN & ROBERT H LURIE CHILDRENS HOSPITAL OF CHICAGO DEPARTMENT 4586 CAROL STREAM IL 60122 N/A PC Charitable Event 2500 BUILD INCORPORATED 5100 W HARRISON ST CHICAGO IL 60644 N/A PC General & Unrestricted 5000 CAMPUS CRUSADE FOR CHRIST PO BOX 628222 ORLANDO FL 32862 N/A PC for the Jesus Film Project 1000 CAPITAL AREA FOOD BANK 4900 PUERTO RICO AVE NE WASHINGTON DC 20017 N/A PC General & Unrestricted 2500 CARE AND SHARE INC 2605 PREAMBLE PT COLORADO SPGS CO 80915 N/A PC General & Unrestricted 2500 CASA LAKE COUNTY INC 700 FOREST EDGE DR VERNON HILLS IL 60061 N/A PC General & Unrestricted 12730 CHILDRENS RELIEF INTERNATIONAL 505 E BOYDSTUN AVE ROCKWALL TX 75087 N/A PC General & Unrestricted 1200 CIVIC LEADERSHIP FOUNDATION 674 DRIFTWOOD LN NORTHBROOK IL 60062 N/A PC General & Unrestricted 1000 FEED MY STARVING CHILDREN 401 93RD AVE NW COON RAPIDS MN 55433 N/A PC General & Unrestricted 5000 FEED MY STARVING CHILDREN 401 93RD AVE NW COON RAPIDS MN 55433 N/A PC Allocated to the North Suburban Church Mobile Pack 15000 FEED MY STARVING CHILDREN 401 93RD AVE NW COON RAPIDS MN 55433 N/A PC to support the Illinois gala & to support Illinois Hope Filled Holidays 35000 FEED MY STARVING CHILDREN 401 93RD AVE NW COON RAPIDS MN 55433 N/A PC Charitable Event 5000 GREATER CHICAGO FOOD DEPOSITORY 4100 W ANN LURIE PL CHICAGO IL 60632 N/A PC General & Unrestricted 10000 IMPACT AO FOUNDATION INC 5040 GREENWOOD CIR EXCELSIOR MN 55331 N/A PC General & Unrestricted 1000 K-LOVE INC 2000 REAMS FLEMING BLVD FRANKLIN TN 37064 N/A PC General & Unrestricted 5000 MUSIC OF THE BAROQUE CONCERT SERIES INC 25 E WASHINGTON ST STE 823 CHICAGO IL 60602 N/A PC General & Unrestricted 2500 NORTH SUBURBAN EVANGELICAL FREE CHURCH 200 LAKE COOK RD DEERFIELD IL 60015 N/A PC For Project Share 10000 NORTH SUBURBAN EVANGELICAL FREE CHURCH 200 LAKE COOK RD DEERFIELD IL 60015 N/A PC General & Unrestricted 66000 ORPHANS OF THE STORM PO BOX 31 DEERFIELD IL 60015 N/A PC General & Unrestricted 250 PRAIRIE STATE LEGAL SERVICES INC 303 N MAIN ST STE 600 ROCKFORD IL 61101 N/A PC General & Unrestricted 500 SAFE FAMILIES FOR CHILDREN ALLIANCE 4839 W IRVING PARK RD CHICAGO IL 60641 N/A PC General & Unrestricted 2500 SAMARITANS PURSE PO BOX 3000 BOONE NC 28607 N/A PC For Texas Flood Relief: Texas Flash Flood Relief 5000 SAMARITANS PURSE PO BOX 3000 BOONE NC 28607 N/A PC For Jamaica following Hurricane Melissa 2500 SAMARITANS PURSE PO BOX 3000 BOONE NC 28607 N/A PC to support disaster relief overseas and not in the US 12500 SAVING TINY HEARTS SOCIETY 1305 BUSCH PKWY 200 BUFFALO GROVE IL 60089 N/A PC General & Unrestricted 500 SKOKIE COUNTRY CLUB EDUCATIONAL FOUNDATION 500 WASHINGTON AVE GLENCOE IL 60022 N/A PC General & Unrestricted 1000 THE ANVIL LAKE ASSOCIATION INCORPORATED PO BOX 791 EAGLE RIVER WI 54521 N/A PC for EWM management 2500 THE FOUNDATION UNITED 7321 MERCHANT COURT SARASOTA FL 34240 N/A PC General & Unrestricted 500 THE SALVATION ARMY 5040 N PULASKI RD CHICAGO IL 60630 N/A PC General & Unrestricted 12500 UNITED WAY OF LAKE COUNTY INC 330 S GREENLEAF ST GURNEE IL 60031 N/A PC General & Unrestricted 5000 WYCLIFFE BIBLE TRANSLATORS INC PO BOX 628200 ORLANDO FL 32862 N/A PC General & Unrestricted 1000 YOUNG LIFE PO BOX 5186 BOONE IA 50950 N/A PC for Young Life North Shore, Program IL 1000 232680 14 14694 14 64919 18 5310 INVESTMENT MANAGEMENT FEE REFUND 01 19526 104449 104449 false false false false false false false false false false X X 1 Sammann Elizabeth 941 Forest Avenue Glencoe IL 60022 1400000 X AVANTIS INTERNATIONAL EQUITY E 175082 209587 AVANTIS INTERNATIONAL SMALL CA 24941 31104 AVANTIS US EQUITY ETF 56146 65056 AVANTIS US SMALL CAP VALUE ETF 112691 149503 BLACKROCK STRAT INC OPP PORTFO 104721 106198 DFA DIMENSIONAL US LARGE CAP V 110073 140945 DFA INTL LARGE CAP GROWTH 92148 105352 DFA U.S. LARGE CAP GROWTH PORT 59040 86851 DIMENSIONAL EMERGING MARKETS C 123356 148827 DIMENSIONAL INTERNATIONAL SMAL 37722 55076 DIMENSIONAL INTERNATIONAL VAL 93953 118113 DIMENSIONAL US HIGH PROFITABIL 67905 74615 DIMENSIONAL US SMALL CAP VALUE 105054 118075 DODGE & COX INCOME FUND 107697 110184 DOUBLELINE TOTAL RETURN BOND 152232 154562 GUGGENHEIM TOTAL RETURN BOND F 105000 108027 ISHARES MSCI USA MOMENTUM FACT 74988 104129 ISHARES MSCI USA QUALITY FACTO 26821 40717 ISHARES S&P 500 INDEX FD 160867 189043 JPMORGAN CORE PLUS BOND FUND 108312 109833 PIMCO INCOME FUND 107090 110723 VANGUARD GROWTH ETF 24220 45859 VANGUARD INTERM- TERM GOVERNME 108158 109966 VANGUARD INTERMEDIATE TERM INV 259159 261900 VANGUARD SMALL-CAP GROWTH ETF 45166 52869 Administrative Fees 13459 13459 State or Local Filing Fees 25 25 INVESTMENT MANAGEMENT FEE REFUND 19526 19526 990-PF Estimated Tax for 2025 900