FORM 10-Q (Mark one) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June30, 2026. ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from ________ to ________. Commission File Number 001-37468 AppFolio, Inc. (Exact name of registrant as specified in its charter) Delaware26-0359894(State of incorporation or organization)(I.R.S. Employer Identification No.) (805) 364-6093 N/A (Former name, former address and former fiscal year, if changed since last report) Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to suchfiling requirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submitsuch files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company oran emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and "emerging growthcompany" in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with anynew or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒ As of July16, 2026, the number of shares of the registrant’s Class A common stock outstanding was 24,087,367 and the number of shares of theregistrant’s Class B common stock outstanding was 11,329,625. TABLE OF CONTENTS Forward-Looking StatementsPart I. Financial InformationItem 1. Condensed Consolidated Financial Statements (Unaudited)Condensed Consolidated Balance Sheets as of June 30, 2026 and December 31, 2025Condensed Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2026and 2025Condensed Consolidated Statements of Comprehensive Income for the Three and Six Months EndedJune 30, 2026 and 2025Condensed Consolidated Statements of Stockholders' Equity for the Three and Six Months Ended June30, 2026 and 2025Condensed Consolidated Statements of Cash Flows for the Three and Six Months Ended June 30, 2026and 2025Notes to Condensed Consolidated Unaudited Financial StatementsItem 2. Management’s Discussion and Analysis of Financial Condition and Results of OperationsItem 3. Quantitative and Qualitative Disclosures about Market RiskItem 4. Controls and ProceduresPart II. Other InformationItem 1. Legal ProceedingsItem 1A. Risk FactorsItem 5. Other InformationItem 6. ExhibitsSignatures FORWARD-LOOKING STATEMENTS This Quarterly Report on Form 10-Q for the fiscal quarter ended June30, 2026 (this "Quarterly Report"), contains forward-looking statements within the meaning of the federal securities laws, including the Private Securities Litigation Reform Act of 1995(the “PSLRA”), which statements involve substantial risks and uncertainties. The forward-looking statements made in this QuarterlyReport are intended to qualify for the protection of the safe harbor provided by the PSLRA and are based primarily on our currentexpectations and projections about future events and trends that we believe may affect our business, financial condition, operatingresults, cash flows and/or prospects. Forward-looking statements include all statements that are not statements of historical fact.Forward-lookingstatements can also be identified by words such as“may,”“will,”“should,”“might,”“expects,”“plans,”“anticipates,” “could,” “intends,” “target,” “projects,” “contemplates,” “believes,” “estimates,” “predicts,” “potential,” “future,” or“continue,” or the negative of these words or other similar terms or expressions. Examples of forward-looking statements include,among others, statements regarding changes in the competitive environment, responding to customer needs, research and productdevelopment plans, including with respect to artificial intelligence, future products and services, growth in the size of our business andnumber of customers, strategic plans and objectives, the benefits or performance of our strategic investments, business forecasts andplans, our future or assumed financial condition, results of operations and liquidity, trends affecting our business and industry, capit