2026-05-07T12:19:21-07:00 2025-06-30 943342694 MAH & ASSOCIATES LLP 601 MONTGOMERY ST 800 SAN FRANCISCO CA 94111 990PF 2024-07-01 472387065 CALDERA FOUNDATION CALD 4157318254 PO BOX 115 VINEBURG CA 95487 PETER S BOYER Sec. &Treasurer 2026-05-07 true true R K MAH P01210200 4159811111 2024 2025-03-06 01:10:19Z X 133810 X X 2172 2172 2172 208798 208798 208798 420182 451603 420182 118 631270 631152 210970 4650 4650 122001 122001 126651 0 126651 511000 511000 637651 0 637651 -6381 631152 210970 35999 70811 70811 64177 62999 62999 9597647 10299422 9697823 10433232 133810 10000 10000 10000 10000 X 9687823 10423232 9687823 10423232 9697823 10433232 9687823 -6381 741791 10423233 1 10423232 SCHWAB #8194 ST P 2025-01-01 2025-12-31 31421 -31421 -31421 SCHWAB #8194 LT P 2005-01-01 2025-12-31 416555 416555 416555 ST CAPITAL GAIN FROM K-1 P 2025-01-01 2025-12-31 1428 1428 1428 LT CAPITAL GAIN FROM K-1 P 2005-01-01 2025-12-31 29252 29252 29252 QSBS FROM K-1 P 2005-01-01 2025-12-31 4368 4368 4368 420182 -29993 8773 8773 8773 X 153 8926 0 false false false false false false false true true CA true false false false false true www.calderafoundation.org PETER BOYER 4156814785 1 BELMONT AVE SAN FRANCISCO CA 94117 false false false false false false false false false false false false false false false false false false false false false false MARGARET G BOYER 235 MONTGOMERY ST SUITE 1230 SAN FRANCISCO CA 94104 PRESIDENT 10.00 0 PETER S BOYER 235 MONTGOMERY ST SUITE 1230 SAN FRANCISCO CA 94104 Sec. &Treasurer 10.00 0 NONE NONE 9571190 50394 0 9621584 0 9621584 144324 9477260 473863 473863 8773 8773 465090 465090 465090 637651 637651 465090 129803 29557 159360 637651 0 465090 172561 331921 0 129803 202118 29557 172561 MARGARET G BOYER PETER S BOYER X ROCKY MOUNTAIN INSTITUTE 22830 TWO RIVERS ROAD BASALT CO 81621 NONE PC FINANCIAL SUPPORT FOR ROCKY MOUNTAIN INSTITUTE 50000 ISSUE ONE 1401 K STRETT NE SUTE 350 WASHINGTON DC 20005 NONE PC FINANCIAL SUPPORT 50000 PACIFIC INSTITUTE 654 13TH STREET OAKLAND CA 94612 NONE PC FINANCIAL SUPPORT 50000 INDIVISIBLE CIVICS ENGAGEMENT 3543 18TH STREET SAN FRANCISCO CA 94110 NONE PC FINANCIAL SUPPORT 50000 PLOUGHSHARES FUND 315 BAY ST 400 SAN FRANCISCO CA 94133 NONE PC FINANCIAL SUPPORT 100000 THE GOOD INFORMATION FOUNDATION 101 AVENUE OF THE AMERICAS 9TH FL NEW YORK NY 10013 NONE PC FINANCIAL SUPPORT 35000 CAMPAIGN LEGAL CENTER 1101 14th St NW Suite 400 WASHINGTON DC 20005 NONE PC FINANCIAL SUPPORT 50000 AMERICAN INDEPENDENT FOUNDATION PO BOX 23262 WASHINGTON DC 20026 NONE PC FINANCIAL SUPPORT 25000 CLEAN ENERGY COMMUNITIES FUND 2150 ALLSTON WAY STE 360 BERKELEY CA 94704 NONE PC FINANCIAL SUPPORT 50000 HUMAN RIGHTS WATCH 100 BUSH ST STE 1812 SAN FRANCISCO CA 94104 NONE PC FINANCIAL SUPPORT 1000 AMALGAMATED CHARITABLE FOUNDATION 1825 K ST NW WASHINGTON DC 20006 NONE PC FINANCIAL SUPPORT 50000 511000 14 2172 14 208798 18 415814 4368 OTHER INCOME 118 626784 4486 631270 false false false false false false false false false false ACCOUTNING CPA 3725 0 0 3725 BOOKKEPING 925 0 0 925 NON-DEDUCTIBLE EXPENSE 1 ADMINISTRATIVE EXPENSES 36 36 ADVISOR FEES 71696 71696 DUES & SUBSCRIPTIONS 130 130 FEDERAL TAXES 3177 3177 FROM K-1 - FOREIGN TAX 52 52 FROM K-1 - INTEREST EXPENSE 2 2 FROM K-1 - OTHER DEDUCTION 17 17 FROM K-1 - PORTFOLIO DEDUCTION 14577 14577 GRANT CULTIVATION 8093 8093 HOSTED EVENTS 1025 1025 MEMBERSHIP DUES 14000 14000 PARKING 4 4 POSTAGE 226 226 TRAVEL 6902 6902 WEBSITE HOSTING 2064 2064 OTHER INCOME 118 LOAN 10000 10000