2026-08-14T13:54:54-04:00 2025-09-30 PwC US Tax LLP 101 SEAPORT BLVD SUITE 500 BOSTON MA 02210 990 2024-10-01 200988966 TMT OBSERVATORY CORPORATION % DAVID GOODMAN TMTO 6263951610 137 WEST WALNUT AVENUE MONROVIA CA 91016 DAVID GOODMAN COO/TREASURER 6263951610 2026-08-14 true true PAUL TANIS P01441612 6175305000 2026-08-14 2024 2025-03-06 01:10:19Z X DAVID GOODMAN 137 WEST WALNUT AVENUE MONROVIA CA 91124 296950 false X WWW.TMT.ORG X 2004 CA SEE SCHEDULE O 6 6 2 7 0 0 0 0 0 0 119479 123560 12636 173390 132115 296950 0 0 0 0 20333 12168 0 0 0 40888 65259 61221 77427 70894 219523 3269644 1737574 195811 44218 3073833 1693356 X SEE SCHEDULE O false true 0 0 0 SEE SCHEDULE O 0 true false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false false true false false false true 2 0 2 true false false false false false false false false false false false false X 6 6 true false true false true true true true false false false true true true true true true false false false CA X DAVID GOODMAN 6263951610 137 WEST WALNUT AVENUE MONROVIA CA 91016 R DAVID GOODMAN COO/TREASURER 40.0 0.0 X 68914 0 7670 DIANA JERGOVIC DIRECTOR 4.0 0.0 X 0 0 0 B THOMAS SOIFER DIRECTOR & VICE CHAIR 4.0 0.0 X X 0 0 0 CHRISTOPER MARTIN DIRECTOR 4.0 0.0 X 0 0 0 MICHAEL BOLTE DIRECTOR 4.0 0.0 X 0 0 0 DR HENRY YANG DIRECTOR & CHAIR 4.0 0.0 X X 0 0 0 BRUCE MACINTOSH DIRECTOR 4.0 0.0 X 0 0 0 LARRY ADKISON SECRETARY 4.0 0.0 X 0 0 0 68914 0 7670 0 false false false 0 0 0 123560 123560 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 EXTINGUSHMENT OF DEBT - PTO REVERSED 900099 173390 173390 173390 296950 0 0 296950 0 0 0 0 0 0 3172 3172 0 8657 8657 339 339 0 11776 11776 25325 25325 0 0 0 0 0 0 0 0 0 13338 13338 0 0 0 0 0 7057 7057 FEE- BANK 2921 2921 FEES - ADP 975 975 OTHER EXPENSES 3867 3867 77427 0 77427 0 269864 299250 2914764 1438324 0 0 81922 0 0 0 0 0 0 0 0 0 3094 0 0 0 0 0 0 0 0 0 0 0 0 0 3269644 1737574 27716 44218 0 0 0 0 0 0 0 0 0 0 0 0 0 0 168095 0 195811 44218 X 3073833 1693356 0 0 3073833 1693356 3269644 1737574 X 219523 -1600000 X false false false X X 2 THE UNIVERSITY OF CALIFORNIA 943067788 2 true 0 0 CALIFORNIA INSTITUTE OF TECHNOLOGY 951643307 2 true 0 0 2 0 0 true true false false true false false false false false false false false false false false false true false PART IV, LINE 2 THE UNIVERSITY OF CALIFORNIA IS NOT REQUIRED TO OBTAIN RECOGNITION OF ITS PUBLIC CHARITY STATUS BECAUSE IT IS A STATE UNIVERSITY. PART IV, LINE 5A TMT OBSERVATORY CORPORATION'S ARTICLES OF INCORPORATION WERE AMENDED TO IDENTIFY TMT'S EXISTING CORPORATE MEMBERS, THE UNIVERSITY OF CALIFORNIA (EIN: 94-3067788) AND CALIFORNIA INSTITUTE OF TECHNOLOGY (EIN: 95-1643307), AS SUPPORTED ORGANIZATIONS FOR PURPOSES OF IRC SECTION 509(a)(3). THE AMENDED ARTICLES OF INCORPORATION WERE ADOPTED BY THE MEMBERS OF THE CORPORATION CONSISTENT WITH THE PROVISIONS OF THE ARTICLES OF INCORPORATION. FORM 990 PART I, LINE 1 AND PART III, LINES 1 AND 4A: THIS CORPORATION IS A NONPROFIT PUBLIC BENEFIT CORPORATION AND IS NOT ORGANIZED FOR THE PRIVATE GAIN OF ANY PERSON. IT IS ORGANIZED UNDER THE CALIFORNIA NONPROFIT PUBLIC BENEFIT CORPORATION LAW FOR CHARITABLE, EDUCATIONAL, SCIENTIFIC AND PUBLIC PURPOSES. CONSISTENT WITH SUCH PURPOSES, THE CORPORATION SHALL BE ORGANIZED AND OPERATED EXCLUSIVELY FOR THE BENEFIT OF, TO PERFORM THE FUNCTIONS OF, AND/OR TO CARRY OUT THE PURPOSES OF, SUPPORTING EACH OF THE MEMBERS SET FORTH ABOVE, INCLUDING (BUT NOT LIMITED TO) BY FOSTERING RESEARCH IN ASTRONOMY. THE CORPORATION MAY ENGAGE IN ANY ACTIVITIES THAT ARE REASONABLY RELATED TO OR IN FURTHERANCE OF SUCH STATED CHARITABLE AND PUBLIC PURPOSES, OR IN ANY OTHER CHARITABLE ACTIVITIES CONSISTENT WITH THE FOREGOING. FORM 990, PART III, LINE 3 TMT OBSERVATORY CORPORATION IS NOW ORGANIZED AND WILL OPERATE EXCLUSIVELY FOR THE BENEFIT OF, TO PERFORM THE FUNCTIONS OF, AND/OR TO CARRY OUT THE PURPOSES OF, SUPPORTING EACH OF THE MEMBERS, INCLUDING (BUT NOT LIMITED TO) BY FOSTERING RESEARCH IN ASTRONOMY. FORM 990, PART IV, LINE 32 & PART XI SCHEDULE N IS NOT APPLICABLE BECAUSE THE ORGANIZATION MADE A TRANSFER IN THE ORDINARY COURSE OF BUSINESS TO ACCOMPLISH EXEMPT PURPOSES BECAUSE IT WAS MADE AT THE REQUEST OF ONE OF ITS SUPPORTED ORGANIZATIONS IN FURTHER OF ITS EXEMPT PURPOSES. FORM 990, PART VI, LINE 2: THE FOLLOWING INDIVIDUALS HAVE A BUSINESS RELATIONSHIP AS A RESULT OF THEIR RELATIONSHIPS WITH THEIR ORGANIZATIONS AND THE TMT PROJECT: UNIVERSITY OF CALIFORNIA: HENRY YANG, MICHAEL BOLTE, BRUCE MACINTOSH, AND LARRY ADKISON CALIFORNIA INSTITUTE OF TECHNOLOGY: THOMAS SOIFER, DIANA JERGOVIC, CHRISTOPHER MARTIN FORM 990, PART VI, LINE 4 TMT OBSERVATORY CORPORATION'S ARTICLES OF INCORPORATION WERE AMENDED TO IDENTIFY TMT'S EXISTING CORPORATE MEMBERS, THE UNIVERSITY OF CALIFORNIA AND CALIFORNIA INSTITUTE OF TECHNOLOGY, AS SUPPORTED ORGANIZATIONS FOR PURPOSES OF IRC SECTION 509(a)(3). FORM 990, PART VI, LINES 6 AND 7: MEMBERS TMT HAS TWO MEMBERS UNIVERSITY OF CALIFORNIA (UC) AND CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH). GOVERNANCE DECISIONS OF THE ORGANIZATION INCLUDING THE APPOINTMENT AND NUMBER OF DIRECTORS, ADMISSION OF NEW MEMBERS AND THE TERMS OF SUCH ADMISSION ARE RESERVED TO THE MEMBERS OF THE ORGANIZATION. FORM 990, PART VI, LINE 8B: CONTEMPORANEOUS DOCUMENTATION OF COMMITTEE MEETINGS TMT DID NOT HAVE MEETINGS OF COMMITTEES WHICH HAVE THE AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY DURING THE YEAR ENDED SEPTEMBER 30, 2025. FORM 990, PART VI, LINE 11B: PROCESS USED BY THE ORGANIZATION TO REVIEW FORM 990 WORKING WITH PRICEWATERHOUSECOOPERS, LLP ("PWC"), THE FORM 990 IS PREPARED. THE FORM 990 IS THEN REVIEWED BY MANAGEMENT AND THE AUDIT COMMITTEE. PRIOR TO FILING WITH THE IRS THE FINAL FORM 990 IS MADE AVAILABLE TO THE FULL BOARD. PWC SIGNS THE RETURN AS PAID PREPARER AND ELECTRONICALLY FILES THE RETURN WITH THE IRS. FORM 990, PART VI, LINE 12C: CONFLICT OF INTEREST POLICY ON AN ANNUAL BASIS, TMT DISTRIBUTES CONFLICT OF INTEREST LETTERS WHICH THE BOARD MEMBERS AND OFFICERS COMPLETE AND RETURN. MANAGEMENT OF TMT REVIEWS THE RETURNED FORMS FOR COMPLIANCE. IF A CONFLICT IS DISCOVERED IT IS ESCALATED TO THE APPROPRIATE PARTY WITHIN THE ORGANIZATION. FORM 990, PART VI, LINE 15: PROCESS OF DETERMINING COMPENSATION HUMAN RESOURCES PERFORMS AN ANNUAL REVIEW OF THE COMPENSATION OF THE ORGANIZATION'S OFFICERS. THE ANNUAL REVIEW PROCESS AND ANY CHANGES MADE TO COMPENSATION IS DOCUMENTED. FORM 990, PART VI, LINE 19: GOVERNING DOCUMENTS AND POLICIES DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE NOT OPEN TO PUBLIC INSPECTION. FORM 990, PART XI, LINE 9 OTHER CHANGES IN NET ASSETS: TRANSFER OF FUNDS ON BEHALF OF SUPPORTED ORGANIZATION: (1,600,000) ------------- TOTAL: (1,600,000) THE UNIVERSITY OF CALIFORNIA 1111 FRANKLIN STREET OAKLAND CA 94607 943067788 EDUCATION CA 115 N/A NA false CALIFORNIA INSTITUTE OF TECHNOLOGY 1200 EAST CALIFORNIA BLVD PASADENA CA 91125 943067788 EDUCATION CA 501(C)3 2 NA false false false false false false false false false false false false false false false false false false false false