2026-09-15T11:23:01-05:00 2025-12-31 946214841 Armanino Advisory LLC 2700 Camino Ramon Ste 350 San Ramon CA 945835004 990 2025-01-01 921296468 iNaturalist INAT 4153206269 1020 B Street San Rafael CA 94901 Scott Loarie Executive Director 4152781220 2026-09-11 1 Katy Brown P00650274 9257902600 2026-09-11 2025 Scott Loarie 1020 B Street San Rafael CA 94901 9011958 0 X www.inaturalist.org X 2022 CA To connect people to nature & advance biodiversity science & conservation 9 8 21 1508033 0 0 4436376 8580779 100974 172178 173470 264681 540 -5680 4711360 9011958 0 0 0 0 2129224 2791962 0 26900 612102 922353 1138500 3051577 3957362 1659783 5054596 5932237 12269983 105184 1388334 5827053 10881649 X iNaturalist's mission is to connect people to nature and advance biodiversity science and conservation. Its vision is a world where everyone can understand and sustain biodiversity through the practice of observing wild organisms and sharing information about them. 1 0 2974115 172178 iNaturalist connects people to nature through open-source technology that enables individuals worldwide to record and learn about biodiversity while contributing to science and conservation. In 2025, iNaturalist advanced its exempt purpose across community engagement, scientific discovery, and global conservation:Community Engagement & Global Reach-Supported over 1.4 million active individuals who directly contributed biodiversity observations or verified identifications for others.-Engaged approximately 2 million monthly active users across the iNaturalist and Seek mobile applications, and over 4 million monthly website visitors.-Surpassed 250 million total verifiable global biodiversity observations recorded on the platform to date.Scientific Innovation & Open Data Access-Released 8 updated computer vision models and location-based geomodels assisting in the identification of over 110,000 taxa.-Launched the open-access iNaturalist Open Range Map Dataset, using machine learning across millions of observations to generate species range maps for over 100,000 taxa.-Enabled scientific research, resulting in over 1,100 peer-reviewed scientific publications citing or using iNaturalist data in 2025.Applied Conservation ImpactsiNaturalist data serves as vital infrastructure used by researchers, land managers, and conservationists to discover new species, track invasive and endangered taxa, refine species distributions, support protected area management, and inform climate change response. 2974115 1 1 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 8 0 1 21 1 0 0 0 0 0 0 0 0 0 0 0 0 X 9 8 0 0 0 0 0 0 0 1 0 0 0 1 1 1 1 1 1 1 1 0 CA X X Adrienne Pettit Director of Finance & HR CFO 4153206269 1020 B Street San Rafael CA 94901 Scott Loarie Executive Director, Secretary 40.00 X X 193491 0 36012 Dick Raines Board Chair, President 4.00 X X 0 0 0 Catherine Chang Director 2.00 X 0 0 0 Nick Grandy Director 2.00 X 0 0 0 Kelly Jin Director 2.00 X 0 0 0 Lucas Joppa Director 2.00 X 0 0 0 Aileen Lee Director 2.00 X 0 0 0 Amber Mace Director 2.00 X 0 0 0 Marcia Marsh Director 2.00 X 0 0 0 Dan Rademacher Director (Thru 10/25) 2.00 X 0 0 0 Jason Walthall Head of Admin., CFO/Treasurer 20.00 X 86742 0 4495 Carrie Seltzer Head of Engagement 40.00 X 187786 0 20160 Jeanne Braha Head of Development 40.00 X 164015 0 15709 Kirk Van Gorkom Head of Engineering (thru 10/25) 40.00 X 150905 0 22548 Patrick Leary SR. Staff Software and Devops Eng. 40.00 X 195472 0 18508 Ken-Ichi Ueda Co-Founder, Staff Software Engineer 40.00 X 181773 0 16823 Abhas Misraraj Staff UI/UX Designer 40.00 X 148283 0 16597 Dorothea Skaff Dir. of Dig. Fundraising & Engmt 40.00 X 135679 0 26874 Alison Young Director of Outreach Programs 40.00 X 129399 0 20894 1573545 0 198620 12 0 1 0 Adansonia Tech 94 Avenue du General Leclerc SaintMaurdesFosses FR Technical Consulting 196569 Johannes Klein Auf der Aue 5 Kraichtal GM Technical Consulting 166593 2 69141 8511638 8580779 Consulting Services 813312 170131 170131 Corporate Sponsorships 813312 2047 2047 172178 264681 264681 3293 3293 Other Income 900099 241 241 Loss on Curr. Exchange 900099 -9214 -9214 -8973 9011958 172178 0 259001 X 881863 447082 190496 244285 1538553 1464785 28110 45658 62568 57614 968 3986 125863 87780 17117 20966 183115 133032 19458 30625 51715 51715 26900 26900 500058 458636 8611 32811 15689 15305 384 67378 793 2521 64064 342018 223606 7255 111157 8900 4850 4050 102760 63142 16408 23210 15816 11877 3887 52 3598 3598 14800 14800 Event Expenses 8004 8004 Employee Training 7764 2015 5749 3957362 2974115 371145 612102 317257 690193 5443612 9495674 131652 2015055 772 20381 17425 30759 26229 8308 21519 17921 5932237 12269983 105184 170381 1217953 105184 1388334 X 4786435 8502456 1040618 2379193 5827053 10881649 5932237 12269983 5054596 0 X 0 1 X 1 0 X 4987614 4436376 8580779 18004769 4987614 4436376 8580779 18004769 6330809 11673960 58433 180258 267974 506665 18511434 780964 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 1000 18 1018 0.98232 0.01768 0 0 26229 8308 17921 17921 X 10443453 1431495 1431495 9011958 0 9011958 5388857 1431495 1431495 3957362 0 3957362 Part X, Line 2: There is no provision for federal or state taxes on income as iNaturalist is a tax-exempt entity under Internal Revenue Code Section 501(c)(3) and California Revenue and Taxation Code 23701d. iNaturalist has evaluated its current tax positions and has concluded that as of December 31, 2025, it does not have any significant uncertain tax positions for which a reserve would be necessary. X X X X X 1 K2D Strategies 4201 Wilson Blvd 300 Arlington VA 22203 Direct Mail & Digital Fundraising Strategic Advisement,Campa 0 94994 21900 73094 Stefanie Mathew Strategies LLC 24 Courthouse Sq Apt 605 Rockville MD 20850 Corporate Giving & Partnerships Advisement 0 2047 5000 -2953 97041 26900 70141 AL AK AZ AR CA CO CT DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY X 0 0 0 0 0 0 0 0 0 Scott Loarie Executive Director, Secretary 192291 0 0 0 1200 0 9580 0 26432 0 229503 0 0 0 Patrick Leary SR. Staff Software and Devops Eng. 194272 0 0 0 1200 0 9826 0 8682 0 213980 0 0 0 Carrie Seltzer Head of Engagement 186586 0 0 0 1200 0 9503 0 10657 0 207946 0 0 0 Ken-Ichi Ueda Co-Founder, Staff Software Engineer 180573 0 0 0 1200 0 8397 0 8426 0 198596 0 0 0 Jeanne Braha Head of Development 162765 0 0 0 1250 0 6057 0 9652 0 179724 0 0 0 Kirk Van Gorkom Head of Engineering (thru 10/25) 149905 0 0 0 1000 0 4565 0 17983 0 173453 0 0 0 Abhas Misraraj Staff UI/UX Designer 147083 0 0 0 1200 0 7611 0 8986 0 164880 0 0 0 Dorothea Skaff Dir. of Dig. Fundraising & Engmt 134479 0 0 0 1200 0 4299 0 22575 0 162553 0 0 0 Alison Young Director of Outreach Programs 128299 0 0 0 1100 0 5332 0 15562 0 150293 0 0 0 Part I, Line 3 in FY25, Executive Director compensation changes were approved by the Board. In prior years, the organization used an independent compensation consultant to establish an organizational pay scale, and that individual reviewed 990s of comparable organizations to arrive at final recommendations. Form 990, Part III, line 2 In 2025, iNaturalist introduced two new programmatic initiatives to expand global access and enhance community participation: -Next-Generation Mobile Application: Released an updated iOS mobile application featuring real-time in-camera species identification, streamlined photo import workflows, and expanded observation search capabilities. -iNaturalist Ambassador Program: Launched a formal community leadership program providing volunteers with training, presentation decks, educational guides, physical signage, and QR code tools to facilitate local biodiversity education and outreach worldwide. Form 990, Part VI, Section A, line 8b The board does not have committees. Form 990, Part VI, Section B, line 11b The Form 990 is prepared by an outside accounting firm with data provided by management. The return is reviewed by the CFO and then by the Leadership team. Prior to filing, the draft return is sent to the board of directors for final review and approval. Form 990, Part VI, Section B, line 12c The board of directors reviews and determines whether any transaction is a conflict of interest. Any person with a conflict of interest in a transaction must recuse themselves from any votes or decisions concerning the transaction. The organization will enter into the transaction only if the Board determines, by a majority vote of the non-interested directors then in office, that the transaction or arrangement is in the organization's best interests and for its own benefit; is fair and reasonable to the organization and, after exercising due diligence, determines that the organization cannot obtain a more advantageous transaction or arrangement with reasonable efforts under the circumstances. The following are the individuals covered with this policy: (i) a director or officer of the organization, or any member of a committee of the organization with Board-delegated powers, (ii) an employee of the organization earning $50,000 or more annually, (iii) any other person in a position to exercise substantial influence over the organization's affairs, or (iv) a family member of an individual described in (i), (ii) or (iii). Form 990, Part VI, Section B, line 15 In 2023, the organization hired an outside consulting firm to benchmark all top management positions based on market data. The compensation structure of top management is based on the data and finding and was adjusted for the prevailing inflation rate in 2024. The Board reviews and approves the compensation structure of top management annually. Form 990, Part VI, Section C, line 19 The organization's governing documents, conflict of interest policy and financial statements are available upon request. Form 990, Part IX, line 11g Payroll Fees: Program service expenses 0. Management and general expenses 5,259. Fundraising expenses 0. Total expenses 5,259. HR Contractors: Program service expenses 1,680. Management and general expenses 3,352. Fundraising expenses 1,298. Total expenses 6,330. Technical Contractors: Program service expenses 442,025. Management and general expenses 0. Fundraising expenses 0. Total expenses 442,025. Communications Consultants: Program service expenses 14,931. Management and general expenses 0. Fundraising expenses 0. Total expenses 14,931. Other Professional Services: Program service expenses 0. Management and general expenses 0. Fundraising expenses 31,513. Total expenses 31,513.