2025-09-04T13:49:46-05:00 2023-09-30 410746749 CLIFTONLARSONALLEN LLP 950 NORTH GLEBE ROAD SUITE 1200 ARLINGTON VA 22203 990 2022-10-01 562390650 LSST INC LSST 5203958601 933 N CHERRY AVE TUCSON AZ 85721 MICHAEL WOOD-VASEY CHAIR OF THE BOARD 5203958601 2025-09-03 1 0 ROBERT WILLIAMS P01345960 5712279500 2025-08-29 2022 2025-03-06 01:10:19Z X BETH WILLMAN 933 N CHERRY AVE TUCSON AZ 85721 2964702 0 X HTTPS://LSSTDISCOVERYALLIANCE.ORG/ X 2003 AZ TO ENHANCE RUBIN LSST DISCOVERY THROUGH ADVANCED DATA TOOLS, TRAINING, AND INCLUSIVE COLLABORATIONS FOR LSST RESEARCHERS 13 13 0 16 0 0 908288 2868567 0 0 9586 96135 0 0 917874 2964702 187065 1406724 0 0 0 0 0 6679 61849 932187 1029953 1119252 2443356 -201378 521346 6985056 7443525 5227357 5164480 1757699 2279045 X TO ENHANCE RUBIN LSST DISCOVERY THROUGH ADVANCED DATA TOOLS, TRAINING, AND INCLUSIVE COLLABORATIONS FOR LSST RESEARCHERS SO THAT ANY SCIENTIST WITH A GOOD QUESTION FOR THE LSST SURVEY CAN ENGAGE WITH THESE ADVANCED RESOURCES TO REVEAL THE MYSTERIES OF THE UNIVERSE. 0 0 1285236 1073995 1314330 THE TEMPLETON PROGRAM SUPPORTS OUTSTANDING EARLY-CAREER RESEARCHERS WHO ARE CONDUCTING CUTTING-EDGE SCIENTIFIC INVESTIGATIONS AND ACTIVELY CONTRIBUTING TO THE LONG-TERM STRENGTH OF THE FIELD. THESE SCIENTISTS, KNOWN AS CATALYST FELLOWS, RECEIVE STRUCTURED SUPPORT TO BUILD RESEARCH NETWORKS, DEVELOP CROSS-DISCIPLINARY SKILLS, AND ADOPT PRACTICES THAT ADVANCE DATA-INTENSIVE SCIENCE. THE PROGRAM PROMOTES NEW DISCOVERIES AND PROFESSIONAL GROWTH IN BOTH ASTROPHYSICS AND SOCIAL SCIENCE THAT ADVANCE THE PROMISE OF THE RUBIN OBSERVATORY'S LEGACY SURVEY OF SPACE AND TIME (LSST). 249499 182500 332968 THE LSST INTERDISCIPLINARY NETWORK FOR COLLABORATION AND COMPUTING (LINCC) FRAMEWORKS PROGRAM, SUPPORTED BY SCHMIDT SCIENCES, IS AN AMBITIOUS PROGRAM TO DEVELOP STATE-OF-THE-ART DATA ANALYSIS TECHNIQUES CAPABLE OF MEETING THE SCALE AND COMPLEXITY OF THE DATA PRODUCED BY THE RUBIN OBSERVATORY LEGACY SURVEY OF SPACE AND TIME (RUBIN LSST) DATA. 73263 69150 0 THE INCLUSIVE COLLABORATION PROGRAMS, SUPPORTED BY THE HEISING-SIMONS FOUNDATION, BUILD BEST PRACTICES FOR EQUITABLE SCIENTIFIC ENGAGEMENT IN THE LSST DISCOVERY ALLIANCE COMMUNITY. THESE PROGRAMS MODEL AND TEST POLICIES AND ORGANIZATIONAL STRUCTURES THAT PROMOTE BROAD INCLUSION AND ENGAGE SCIENTISTS PRACTICES AND STRUCTURES THAT FOSTER INCLUSION. PROGRAM ACTIVITIES INCLUDE TRAINING IN SOFTWARE DEVELOPMENT AND IN MENTORING, KEY ACTIVITIES WHICH BUILD AND FOSTER BROAD ENGAGEMENT IN LSST SCIENCE AND BEYOND. 50150 43151 39450 SUMMER STUDENT PROGRAM 27633 18750 74647 HEISING-SIMONS CHILDCARE GRANTS PROGRAM, A COLLABORATIVE EFFORT WITH THE ICE CUBE NEUTRINO OBSERVATORY 88739 19179 452252 OTHER PROGRAM SERVICES 166522 81080 566349 1774520 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 X 13 13 0 0 0 0 1 1 0 1 0 0 0 0 1 1 0 1 1 0 0 0 AZ X ELIZABETH HEILE 5203958601 933 N CHERRY AVE TUCSON AZ 85721 LARRY GLADNEY TREASURER 1.00 0.00 X 0 0 0 MICHAEL WOOD-VASEY CHAIRMAN (FROM 5/23) 2.00 0.00 X 0 0 0 LUCAS MACRI CHAIRMAN (UNTIL 5/23) 2.00 0.00 X 0 0 0 MEDERIC BOQUIEN BOARD MEMBER 1.00 0.00 X 0 0 0 PAT BURCHAT BOARD MEMBER 1.00 0.00 X 0 0 0 WILL CLARKSON BOARD MEMBER 1.00 0.00 X 0 0 0 ADRIANO FONTANA BOARD MEMBER 1.00 0.00 X 0 0 0 SUZANNE HAWLEY BOARD MEMBER 1.00 0.00 X 0 0 0 BUELL JANNUZI BOARD MEMBER 1.00 0.00 X 0 0 0 KATHRYN JOHNSTON BOARD MEMBER 1.00 0.00 X 0 0 0 DAVID MACFARLANE BOARD MEMBER 1.00 0.00 X 0 0 0 RACHEL MANDELBAUM BOARD MEMBER 1.00 0.00 X 0 0 0 RAFFAELLA MARGUTTI BOARD MEMBER 1.00 0.00 X 0 0 0 KNUT OLSEN BOARD MEMBER 1.00 0.00 X 0 0 0 IAN SHIPSEY BOARD MEMBER 1.00 0.00 X 0 0 0 EZEQUIEL TREISTER BOARD MEMBER 1.00 0.00 X 0 0 0 BETH WILLMAN LEFKON CEO 40.00 0.00 X 65508 0 8373 DANIEL CALABBRESE CORPORATE SECRETARY 4.00 0.00 X 10230 0 5746 PATRICIA ELIASON EXECUTIVE OFFICER (UNTIL 10/22) 40.00 0.00 X 144289 0 19349 220027 0 33468 0 0 1 1 0 629920 2238647 2868567 96135 96135 2964702 0 0 96135 1074654 1074654 54759 54759 277311 277311 525 525 31915 31915 6679 6679 156615 153329 3286 807 807 12861 5266 7595 57644 12793 41141 3710 41268 9292 31976 61683 8776 52907 13230 13230 AURA SALARY 364310 119448 210224 34638 AURA FEES- FRINGE 175688 58009 100857 16822 AURA FEES 105220 105220 PROFESSIONAL DEVELOPMEN 5669 5669 2518 76 2442 2443356 1774520 606987 61849 29 6115363 5793768 811833 730984 57860 891986 0 26758 6985056 7443525 188586 367680 36500 280119 3759310 3499720 1242961 1016961 5227357 5164480 X 1460113 1523889 297586 755156 1757699 2279045 6985056 7443525 521346 0 X 0 1 X 1 0 X 1042152 1096860 1051594 908288 2868567 6967461 1042152 1096860 1051594 908288 2868567 6967461 2622772 4344689 32070 7 9586 96135 137798 7105259 40517 0.61150 0.71260 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 0 INTERNATIONAL AFFILIATES - USAGE FEES PAYABLE 1016961 1016961 X 2977242 12540 12540 2964702 0 2964702 2455896 12540 12540 2443356 0 2443356 PART X, LINE 2: LSST-DA HAS BEEN RECOGNIZED BY THE INTERNAL REVENUE SERVICE AS A 501(C)(3) ORGANIZATION EXEMPT FROM FEDERAL INCOME TAXES. UNDER INTERNAL REVENUE CODE SECTION 501(A), LSST-DA FOLLOWS THE INCOME TAX STANDARD FOR UNCERTAIN TAX POSITIONS. MANAGEMENT BELIEVES IT HAS NO MATERIAL UNCERTAIN TAX POSITIONS OR ANY RELATED PENALTIES AND INTEREST TO ACCRUE FOR THE YEARS ENDED SEPTEMBER 30, 2023 AND 2022, AND ACCORDINGLY, THERE IS NO LIABILITY FOR UNRECORGNIZED TAX BENEFITS. TAX YEARS PRIOR TO 2020 ARE NO LONGER SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE OR THE APPLICABLE STATE JURISDICTIONS. 1 EUROPE (INCLUDING ICELAND & GREENLAND) 0 0 COLLABORATIVE SCIENCE AND STUDENT TRAVEL INITIATIVES 247208 SOUTH AMERICA 0 0 TRAVEL AND CHILDCARE SUPPORT FOR SCIENTIFIC MEETINGS 24219 NORTH AMERICA 0 0 STUDENT WORKSHOP PARTICIPATION AND SCIENCE GRANTS 3495 EAST ASIA AND THE PACIFIC 0 0 CHILDCARE SUPPORT TO ALLOW PARTICIPANT TO ATTEND SCIENTIFIC MEETING IN GERMANY 2389 0 0 0 0 0 0 277311 0 277311 EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM TEMPLETON FOUNDATION FELLOWSHIPS FOR EARLY-CAREER POSTDOC SCIENTISTS 106228 WIRE TRANSFER 0 EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM TEMPLETON FOUNDATION FELLOWSHIPS FOR EARLY-CAREER POSTDOC SCIENTISTS 72912 WIRE TRANSFER 0 EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM SCHMIDT SCIENCES SUPPORTS EARLY-CAREER SCIENTISTS BUILDING LSST SOFTWARE TOOLS 22500 WIRE TRANSFER 0 SOUTH AMERICA - ARGENTINA, BOLIVIA, BRAZIL, CHILE, COLUMBIA, ECUADOR, TEMPLETON FOUNDATION FELLOWSHIPS FOR EARLY-CAREER POSTDOC SCIENTISTS 21667 WIRE TRANSFER 0 EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM HEISING-SIMONS INCLUSIVE COLLABORATION 14194 WIRE TRANSFER 0 EUROPE (INCLUDING ICELAND & GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM LSST@EUROP4 - LSST SCIENCE AND BEYOND/ENABLING SCIENCE 10000 WIRE TRANSFER 0 3 3 HEISING-SIMONS FOUNDATION CHILDCARE SUPPORT PILOT EUROPE 9 5971 WIRE TRANSFER 0 N/A N/A SUMMER STUDENT PROGRAM EUROPE 3 5228 WIRE TRANSFER 0 N/A N/A HEISING-SIMONS FOUNDATION INCLUSIVE COLLABORATION EUROPE 2 3956 WIRE TRANSFER 0 N/A N/A SUMMER STUDENT PROGRAM NORTH AMERICA 1 3495 WIRE TRANSFER 0 N/A N/A HEISING-SIMONS FOUNDATION CHILDCARE SUPPORT PILOT EAST ASIA 1 2389 WIRE TRANSFER 0 N/A N/A SCIENCE CATALYST GRANTS (ENABLING SCIENCE) EUROPE 1 1221 WIRE TRANSFER 0 N/A N/A TRAVEL TO F2F 2022 SOUTH AMERICA 1 1144 WIRE TRANSFER 0 N/A N/A HEISING-SIMONS FOUNDATION CHILDCARE SUPPORT PILOT SOUTH AMERICA 3 980 WIRE TRANSFER 0 N/A N/A SUMMER STUDENT PROGRAM SOUTH AMERICA 1 428 WIRE TRANSFER 0 N/A N/A 0 0 0 0 0 0 PART I, LINE 2: LSST, INC. MAINTAINS ACTIVE OVERSIGHT THROUGHOUT THE LIFE OF EACH GRANT, INCLUDING CLEAR REPORTING EXPECTATIONS AND ONGOING REVIEW OF FUND USE. THIS MONITORING REINFORCES ACCOUNTABILITY, SUPPORTS ALIGNMENT WITH GRANT OBJECTIVES, AND HELPS ENSURE FUNDS ARE APPLIED EFFECTIVELY AND IN ACCORDANCE WITH PROGRAM GOALS. PART III ACCOUNTING METHOD: 1 UNIVERSITY OF ARIZONA 1200E UNIVERSITY BLVD TUCSON AZ 85721 742652689 GOVERNMENT ENTITY 184479 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA WASHINGTON STATE UNIVERSITY 370 LIGHTY STUDENT SERVICES BLDG PULLMAN WA 99164 916001108 GOVERNMENT ENTITY 136227 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA RUTGERS UNIVERSITY 77 HAMILTON STREET NEW BRUNSWICK NJ 08901 226001086 GOVERNMENT ENTITY 127894 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA UNIVERSITY OF PITTSBURGH 200 S CRAIG ST PITTSBURGH PA 15260 250965591 GOVERNMENT ENTITY 115000 0 SCHMIDT SCIENCES-FUNDED PROGRAM ADVANCING SOFTWARE FRAMEWORKS FOR RUBIN LSST SCIENCE PRINCETON UNIVERSITY 701 CARNEGIE CENTER STE 443 PRINCETON NJ 08544 210634501 501(C)(3) 100849 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA UNIVERSITY OF WASHINGTON 1400 NE CAMPUS PARKWAY SEATTLE WA 98195 916001537 GOVERNMENT ENTITY 85590 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA NORTHWESTERN UNIVERSITY 633 CLARK ST EVANSTON IL 60208 362167817 501(C)(3) 72739 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA PRESIDENT AND FELLOWS OF HARVARD COLLEGE 124 MOUNT AUBURN ST CAMBRIDGE MA 02138 042103580 501(C)(3) 22500 0 SCHMIDT SCIENCES-FUNDED PROGRAM ADVANCING SOFTWARE FRAMEWORKS FOR RUBIN LSST SCIENCE UNIVERSITY OF ILLINOIS 506 WRIGHT ST MC339 URBANA IL 61801 376000511 GOVERNMENT ENTITY 22500 0 SCHMIDT SCIENCES-FUNDED PROGRAM ADVANCING SOFTWARE FRAMEWORKS FOR RUBIN LSST SCIENCE BENEDICTINE UNIVERSITY 5700 COLLEGE RD LISLE IL 60532 362722198 501(C)(3) 21667 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA CORNELL UNIVERSITY 410 THURSTON AVE ITHACA NY 14850 150532082 501(C)(3) 21667 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA UNIVERSITY OF CALIFORNIA 5200 LAKE ROAD MERCED CA 95343 943250114 GOVERNMENT ENTITY 21667 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA UNIVERSITY OF DELAWARE 220 HULLIHEN HALL NEWARK DE 19716 516000297 GOVERNMENT ENTITY 21667 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA UNIVERSITY OF NORTH CAROLINA ONE UNIVERSITY HEIGHTS CPO 1422 ASHEVILLE NC 28804 566002370 GOVERNMENT ENTITY 21667 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA LAS CUMBRES OBSERVATORY 6740 CORTONA DR SUITE 102 GOLETA CA 93117 770361278 501(C)(3) 17833 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA UNIVERSITY OF DELAWARE 220 HULLIHEN HALL NEWARK DE 19716 516000297 GOVERNMENT ENTITY 17000 0 INCLUSIVE COLLABORATION IN RUBIN LSST SCIENCE DESIGNED WITH SUPPORT FROM HEISING-SIMONS RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORK 230 W 41ST ST NEW YORK CITY NY 10036 131988190 501(C)(3) 14564 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA NORTHWESTERN UNIVERSITY 633 CLARK ST EVANSTON IL 60208 362167817 501(C)(3) 12000 0 INCLUSIVE COLLABORATION IN RUBIN LSST SCIENCE DESIGNED WITH SUPPORT FROM HEISING-SIMONS UNIVERSITY OF PITTSBURGH 200 S CRAIG ST PITTSBURGH PA 15260 250965591 GOVERNMENT ENTITY 12000 0 INCLUSIVE COLLABORATION IN RUBIN LSST SCIENCE DESIGNED WITH SUPPORT FROM HEISING-SIMONS DREXEL UNIVERSITY 3141 CHESTNUT ST PHILADELPHIA PA 19104 231352630 501(C)(3) 10833 0 TEMPLETON FOUNDATION FELLOWSHIPS SUPPORTING POSTDOCTORAL RESEARCH USING RUBIN LSST DATA RUBIN OBSERVATORY ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY (A 950 N CHERRY AVENUE TUCSON AZ 85719 860138043 501(C)(3) 10000 0 INCLUSIVE COLLABORATION IN RUBIN LSST SCIENCE DESIGNED WITH SUPPORT FROM HEISING-SIMONS 22 0 UNDERGRADUATE STIPENDS SUPPORTING PARTICIPATION IN A PROFESSIONAL DEVELOPMENT PROGRAM AT THE RUBIN COMMUNITY WORKSHOP 24 29911 TEMPLETON-FUNDED RELOCATION ASSISTANCE FOR EARLY-CAREER SCIENTISTS ENGAGED IN INTERDISCIPLINARY RUBIN LSST RESEARCH. 5 9535 FINANCIAL ASSISTANCE FOR CHILDCARE TO ENABLE PARTICIPATION IN RUBIN LSST SCIENCE PROGRAMS AND COLLABORATION 8 9410 SMALL SCIENCE CATALYST GRANTS SUPPORTING EMERGING RUBIN LSST SCIENCE COLLABORATIONS AND EXPLORATORY PROJECTS 7 3352 PROFESSIONAL DEVELOPMENT AND TRAVEL ASSISTANCE FOR ATTENDING THE 2023 ASTRO EDU MEETING IN CANADA 2 1351 PARTICIPATION SUPPORT FOR RUBIN LSST SCIENCE COLLABORATION COUNCIL EUROPE-BASED LEADERSHIP 1 1200 PART I, LINE 2: WE MAKE GRANTS BASED ON EVALUATION OF SUBMITTED PROPOSALS AND THE RECIPIENT'S WRITTEN AGREEMENT TO USE FUNDS AS OUTLINED IN THE AWARD AND TO FILE A REPORT ON THEIR SPENDING. FOR SMALLER GRANTS TO INDIVIDUALS, SUCH AS CHILDCARE OR UNDERGRADUATE SUMMER SUPPORT, NO ADDITIONAL REPORTING IS REQUIRED. FOR LARGER PROGRAMMATIC GRANTS, SUCH AS FELLOWSHIPS OR SPONSORED RESEARCH, WE REQUIRE RECIPIENTS TO SUBMIT FINAL REPORTS AND RESERVE THE RIGHT TO REQUEST PERIODIC UPDATES THROUGHOUT THE DURATION OF THE AWARD. 0 0 0 0 0 0 0 0 0 PATRICIA ELIASON EXECUTIVE OFFICER (UNTIL 10/22) 142387 0 0 0 1902 0 11538 0 7811 0 163638 0 0 0 BETH WILLMAN LEFKON CEO 65508 0 0 0 0 0 6651 0 1722 0 73881 0 0 0 DANIEL CALABBRESE CORPORATE SECRETARY 10230 0 0 0 0 0 1023 0 4723 0 15976 0 0 0 SCHEDULE J, PART II- COMPENSATION FROM AN UNRELATED ORGANIZATION NAME: BETH WILLMAN LEFKON COMPENSATION FROM UNRELATED ORGANIZATION: $73,881 NAME OF UNRELATED ORGANIZATION: ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY (AURA) TYPE OF COMPENSATION: WAGES AND BENEFITS NAME: DANIEL CALABBRESE COMPENSATION FROM UNRELATED ORGANIZATION: $15,976 NAME OF UNRELATED ORGANIZATION: ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY (AURA) TYPE OF COMPENSATION: WAGES AND BENEFITS NAME: PATRICIA ELIASON COMPENSATION FROM UNRELATED ORGANIZATION: $163,638 NAME OF UNRELATED ORGANIZATION: ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY (AURA) TYPE OF COMPENSATION: WAGES AND BENEFITS FORM 990, PART VI, SECTION A, LINE 6 LSST, INC. MEMBERS ARE CALIFORNIA INSTITUTE OF TECHNOLOGY, CARNEGIE MELLON UNIVERSITY, COLUMBIA UNIVERSITY, INSTITUT DE PHYSIQUE NUCLEAIRE ET DE PHYSIQUE DES PARTICULES (IN2P3), JOHNS HOPKINS UNIVERSITY, LAWRENCE LIVERMORE NATIONAL LABORATORY (LLNL), ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY (AURA), NORTHWESTERN UNIVERSITY, PENNSYLVANIA STATE UNIVERSITY, PRINCETON UNIVERSITY, RUTGERS UNIVERSITY, STANFORD LINEAR ACCELERATOR CENTER (SLAC), STANFORD UNIVERSITY-KAVLI INSTITUTE FOR PARTICLE ASTROPHYSICS AND COSMOLOGY (KIPAC), TEXAS A&M UNIVERSITY, UNIVERSITY OF ILLINOIS AT CHAMPAIGN-URBANA (NCSA), UNIVERSITY OF OXFORD, UNIVERSITY OF PENNSYLVANIA, UNIVERSITY OF PITTSBURGH, UNIVERSITY OF WASHINGTON, ISTITUTO NAZIONALE DI ASTROFISICA (INAF), LABORATORIO INTERINSTITUCIONAL DE E-ASTRONOMIA (LINEA), MAX PLANCK INSTITUT FUER ASTRONOMIE (MPIA), SCHMIDT FUTURES, UNIVERSITY OF CALIFORNIA BERKELEY, PURDUE UNIVERSITY, AND YALE UNIVERSITY. FORM 990, PART VI, SECTION A, LINE 7A SLAC/NATIONAL ACCELERATOR LABORATORY, UNIVERSITY OF ARIZONA, UNIVERSITY OF WASHINGTON, AND THE UNIVERSITY OF CHILE, AND ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY (AURA) EACH HAVE THE RIGHT TO APPOINT A BOARD OF DIRECTORS MEMBER. THE VOTING RIGHTS OF THESE BOARD MEMBERS ARE EQUIVALENT TO ANY OTHER BOARD MEMBER. FORM 990, PART VI, SECTION A, LINE 8B THERE ARE NO COMMITTEES WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY. FORM 990, PART VI, SECTION B, LINE 11B THE FORM 990 IS REVIEWED BY THE CONTRACT CPA, THE DIRECTOR OF FINANCE AND ADMINISTRATION, AND THE CEO. A FINAL VERSION IS THEN SHARED WITH THE CHAIR OF THE BOARD OF DIRECTORS FOR REVIEW AND APPROVAL PRIOR TO SUBMISSION. FORM 990, PART VI, SECTION B, LINE 12 LSST INC. HAS A WRITTEN CONFLICT OF INTEREST POLICY. OFFICERS, DIRECTORS, AND KEY EMPLOYEES ARE REQUIRED TO DISCLOSE POTENTIAL CONFLICTS ANNUALLY. THE POLICY IS REVIEWED BY THE EXECUTIVE COMMITTEE, WHICH OVERSEES ENFORCEMENT AND ENSURES THAT DISCLOSURES ARE ON FILE FOR ALL RELEVANT INDIVIDUALS. FORM 990, PART VI, SECTION B, LINE 15 ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY (AURA)'S HUMAN RESOURCES DEPARTMENT PERFORMED A COMPARABILITY DATA ANALYSIS RELATED TO THE LSST DISCOVERY ALLIANCE CEO'S COMPENSATION USING VARIOUS TOOLS AND EXTERNAL RESOURCES. THE FINAL COMPENSATION FOR THE LSST DISCOVERY ALLIANCE CEO WAS REVIEWED AND APPROVED BY ITS BOARD OF DIRECTORS. THE PROCESS DESCRIBED HERE WAS LAST COMPLETED IN 2024. FORM 990, PART VI, SECTION C, LINE 19 LSST, INC.'S ARTICLES OF INCORPORATION, IRS DETERMINATION LETTER, CONFLICT OF INTEREST POLICY, AND AUDITED FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST. FORM 990, PART VII, SECTION A AND SCHEDULE J, PART II: LSST, INC. DOES NOT DIRECTLY EMPLOY STAFF. THE EXECUTIVE DIRECTOR AND BOARD SECRETARY WERE EMPLOYED BY ASSOCIATION OF UNIVERSITIES FOR RESEARCH IN ASTRONOMY (AURA). THEIR SERVICES WERE PROVIDED TO LSST INC. BY A PAID CONTRACT WITH AURA. AURA IS NOT A RELATED ORGANIZATION TO LSST, INC. THEIR COMPENSATION, SINCE KNOWN, IS REPORTED ON PART VII. FORM 990, PAGE 1, SECTION B: THE AUDITED FINANCIAL STATEMENTS FOR THE PERIOD COVERING THIS FORM 990 WERE ISSUED AFTER THE DUE DATE OF THE FILING. AS A RESULT, THE 2022 LSST, INC FORM 990 HAS BEEN AMENDED. CHANGES TO THE FORM 990 OCCURED IN THE FOLLOWING AREAS: FORM 990, PART I FORM 990, PART III FORM 990, PART VI FORM 990, PART VIII FORM 990, PART IX FORM 990, PART X FORM 990, PART XI SCHEDULE A SCHEDULE D SCHEDULE F SCHEDULE I