2018-07-17T14:34:04-05:00 2017-12-31 Foundation Source One Hollow Ln Ste 212 Lake Success NY 11042 990PF 2017-01-01 061331577 The Mayer-Phillips Foundation Inc % Foundation Source MAYE 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 JOHN A MAYER secretary 8008391754 2018-07-09 true Jeffrey D Haskell P01345770 8008391754 2017 2022-09-23 18:48:47Z X 7166295 X 132021 1644 1644 149535 149535 180191 902052 180192 6871 6871 470262 338242 35000 35000 2891 2891 1200 0 0 1200 1768 0 0 1768 14995 14995 3748 530 530 42336 5581 36755 102468 20576 0 78144 155400 155400 257868 20576 0 233544 212394 317666 364209 357318 357318 5103324 5321704 6439808 51675 51675 65813 186667 187572 303356 5705875 5918269 7166295 0 0 X 5705875 5918269 5705875 5918269 5705875 5918269 5705875 212394 5918269 5918269 Publicly-traded Securities 902052 736302 165750 165750 Passthrough K1 Capital Gain/(Loss) 14442 180192 false 99133 5892615 0.016823 473366 5802951 0.081573 165930 5610729 0.029574 131861 4524737 0.029142 108729 3653130 0.029763 0.186875 0.037375 6624223 247580 3177 250757 233544 6353 6353 6353 3117 3236 6353 X false false false false false false false true true CT true false false false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 false false false false true false false false false false false false false false false false false false false false false Alessandra Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 12.0 35000 0 0 Barbara P Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir 1.0 0 0 0 Christa A Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 John A Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Sec 1.0 0 0 0 Timothy P Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Treas 1.0 0 0 0 6108907 312837 303356 6725100 0 6725100 100877 6624223 331211 331211 6353 6353 324858 324858 324858 233544 0 0 0 0 233544 233544 324858 204222 2015 2014 2013 233544 204222 29322 0 0 295536 0 0 Barbara P Mayer John A Mayer X ALEXANDER DAWSON SCHOOL 10455 DAWSON DR LAFAYETTE CO 80026 N/A PC Charitable Event 3200 ALEXANDER DAWSON SCHOOL 10455 DAWSON DR LAFAYETTE CO 80026 N/A PC Charitable Event 7500 ALEXANDER DAWSON SCHOOL 10455 DAWSON DR LAFAYETTE CO 80026 N/A PC Charitable Event 1200 BIDWELL TRAINING CENTER INC 1815 METROPOLITAN ST PITTSBURGH PA 15233 N/A PC General & Unrestricted 2500 BRIDGE HOUSE 5345 ARAPAHOE AVE 5 BOULDER CO 80303 N/A PC Community Table Kitchen 20000 CAPITAL SISTERS INTERNATIONAL INC 227 LAMB LN GOLDEN CO 80401 N/A PC General & Unrestricted 1000 CAREERWISE COLORADO 12850 E 40TH AVE DENVER CO 80239 N/A PC General & Unrestricted 50000 CHALLENGE FOUNDATION INC 4545 S UNIVERSITY BLVD ENGLEWOOD CO 80113 N/A PC General & Unrestricted 2500 COLORADO THERAPEUTIC RIDING CENTER 11968 MINERAL RD LONGMONT CO 80504 N/A PC General & Unrestricted 10000 ELEVATE NEW YORK INC 353 LEXINGTON AVE 5TH FL NEW YORK NY 10016 N/A PC General & Unrestricted 2000 FII - NATIONAL 1203 PRESERVATION PARK WAY OAKLAND CA 94612 N/A PC Founder's Community Fund 50000 ONE WORLD CHILDRENS FUND 1012 TORNEY AVE SAN FRANCISCO CA 94129 N/A PC Empowering Youth in Cambodia Program 2000 ONE WORLD CHILDRENS FUND 1012 TORNEY AVE SAN FRANCISCO CA 94129 N/A PC Empowering Youth in Cambodia Program 1000 THORNE ECOLOGICAL INSTITUTE PO BOX 19107 BOULDER CO 80308 N/A PC General & Unrestricted 1300 WOMEN'S FOUNDATION OF COLORADO INC 1901 E ASBURY AVE 3RD FL DENVER CO 80208 N/A PC PEP Program 1000 COLORADO ASSOCIATION OF FUNDERS PO BOX 48149 DENVER CO 80204 n/a PC General & Unrestricted 200 155400 14 1644 14 149535 18 180191 K-1 Inc/Loss 14 6871 338241 338241 false false false false false false false false false false X X 1 Mayer John A 7 Upland Drive Greenwich CT 06831 132021 X 1 ISHARES TR S & P MIDCAP 400 INDEX FD IJH, 563 sh. 107187 2017-12-04 1 SEVENTY SEVEN ENERGY SVNT, 600 sh. 24834 2017-04-18 General Consultations 1768 1768 JPMORGAN CHASE - 7.900% - 12/3 51675 65813 JPMORGAN US I&G DOMESTIC REIT 970 1000 ISHARES JP MORGAN USD EM MKTS 64218 64436 ISHARES TR S & P MIDCAP 400 IN 107187 106846 PATTERSON-UTI ENERGY INC 24833 24644 ISHARES CORE MSCI EAFE ETF 242830 264360 PARNASSUS EQUITY INCOME FUND I 178957 186417 BROWN ADVISORY WMC JAPAN ALPHA 62956 67292 VANGUARD TOTAL BOND MARKET IND 66000 65877 DODGE & COX FUNDS INTERNATIONA 245131 286215 JPMORGAN U.S. LARGE CAP CORE P 167904 192858 MFS INTERNATIONAL VALUE FUND C 186000 279522 SPDR S&P 500 ETF TRUST 1479462 2014792 ISHARES TRUST MSCI EAFE INDEX 555453 671461 JPMORGAN STRATEGIC INCOME OPPO 119705 117392 NEUBERGER BERMAN MULTI CAP OPP 164481 207598 OAKMARK INTERNATIONAL FUND 249221 320224 VANGUARD TOT INTL BOND IX ADMI 275000 274873 DODGE & COX INCOME FUND 179649 181135 BLACKROCK HIGH YIELD BOND PORT 120235 131215 DOUBLELINE TOTAL RETURN BOND 289999 278356 JPMORGAN GLOBAL RESEARCH ENHAN 541513 703295 JPM US RE I&G DOMESTIC LP 187572 303356 General Consultations 1200 1200 Administrative Fees 34698 34698 Foundation Dues & Memberships 1310 1310 K-1 Exp JPM US RE I&G DOMESTIC 5581 5581 Payroll Processing Fees 747 747 K-1 Inc/Loss JPM US RE I&G DOMESTIC LP 6871 6871 Investment Management Services 14995 14995 990-PF Estimated Tax for 2017 3100 990-PF Extension for 2016 648