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the evidence.
Regulator education, industry definitions and issuer disclosures used across the learning library.
Choose the source for the question
Use Investor.gov for investor education and SEC filings for company disclosures. Nareit is an industry association and a key source for FFO definitions and sector terminology; its industry perspective is not independent investment advice. Issuer releases define company-specific measures but represent the issuer's own reporting. Read them alongside the filed financial statements.
Keep the date and definition attached
A historical filing is evidence for its reporting period. It is not a live quote or a current portfolio database. When a definition differs between companies, retain each issuer's wording and reconciliation rather than assuming the labels are comparable.
Practise checking an issuer number
The historical filing labs connect specific annual-report and earnings-release tables to a complete calculation. Each separates reported inputs, DFB arithmetic and interpretation, including differences between cash paid, dividends declared and annualized rates. The linked source ledger preserves period, publication date, currency, scale and table location.
Source directory
- SEC Investor.gov: exchange-traded funds bulletin ↗www.investor.gov
- SEC Investor.gov: Publicly Traded REITs ↗www.investor.gov
- Investor.gov: How to read a 10-K and 10-Q ↗www.investor.gov
- Investor.gov: Non-Publicly Traded BDCs — liquidity, structure and disclosure ↗www.investor.gov
- Investor.gov: Publicly Traded Business Development Companies — investor bulletin ↗www.investor.gov
- Investor.gov: Direct investment and dividend reinvestment plans ↗www.investor.gov
- Investor.gov: Real Estate Investment Trust ↗www.investor.gov
- Main Street Capital: management structure FAQ — issuer perspective ↗www.mainstcapital.com
- Main Street filed investor presentation: management and regulatory structure — historical issuer explanation ↗www.mainstcapital.com
- Main Street September 2025 Form 10-Q: PIK and non-accrual accounting policies — historical definitions ↗www.mainstcapital.com
- Prologis 2025 results: company-share and venture disclosures ↗www.prologis.com
- Prologis supplemental results: proportionate ownership definitions ↗www.prologis.com
- Realty Income investor FAQs: lease-expiration disclosures ↗www.realtyincome.com
- Realty Income: quarterly and annual filings ↗www.realtyincome.com
- Realty Income FY2023 annual report: historical covenant calculation illustration ↗www.realtyincome.com
- Realty Income: business model ↗www.realtyincome.com
- Nareit glossary: capitalization rates and debt ↗www.reit.com
- Nareit: AFFO definition and comparability ↗www.reit.com
- Nareit: Capitalization Rate ↗www.reit.com
- Nareit: Funds From Operations ↗www.reit.com
- Nareit: Net Asset Value ↗www.reit.com
- Nareit: FFO reporting framework ↗www.reit.com
- Nareit: Introduction to Real Estate Securities ↗www.reit.com
- Nareit: data center REITs ↗www.reit.com
- Nareit: health care REITs ↗www.reit.com
- Nareit: industrial REITs ↗www.reit.com
- Nareit: lodging and resort REITs ↗www.reit.com
- Nareit: mortgage REITs ↗www.reit.com
- Nareit: office REITs ↗www.reit.com
- Nareit: residential REITs ↗www.reit.com
- Nareit: retail REITs ↗www.reit.com
- Nareit: self-storage REITs ↗www.reit.com
- Nareit: telecommunications REITs ↗www.reit.com
- Nareit: types of REITs ↗www.reit.com
- Ares Capital January 2025 filed financing prospectus: instrument terms and claims — historical example ↗www.sec.gov
- Ares Capital FY2024 results, Exhibit 99.1 ↗www.sec.gov
- Ares Capital 2024 Form 10-K ↗www.sec.gov
- Ares Capital 2024 Form 10-K/A, Amendment No.1 ↗www.sec.gov
- Ares Capital original 2025 Form 10-K: historical definitions, not current issuer data; check amendments and later filings ↗www.sec.gov
- Ares Capital March 2026 results: statement and reconciliation format — not example data ↗www.sec.gov
- AGNC 2024 Form 10-K: funding and risk disclosures ↗www.sec.gov
- Horizon Technology Finance 2025 financial highlights: tax/GAAP and spillover explanation, footnote 1 ↗www.sec.gov
- SEC filing details for Apple FY2024 Form 10-K ↗www.sec.gov
- Apple FY2024 Form 10-K ↗www.sec.gov
- One Liberty Properties 2023 annual report: AFFO reconciliation and limitations ↗www.sec.gov
- Realty Income FY2024 results, Exhibit 99.1 ↗www.sec.gov
- Realty Income 2024 Form 10-K ↗www.sec.gov
- Realty Income 2025 Form 10-K ↗www.sec.gov
- SEC: Beginners’ Guide to Financial Statements ↗www.sec.gov
- SEC: How to Read a 10-K — statements, notes and issuer responsibility ↗www.sec.gov
- SEC EDGAR search ↗www.sec.gov
- SEC staff: Non-GAAP Financial Measures, including FCF guidance ↗www.sec.gov
- SEC: REIT distribution and disclosure guidance ↗www.sec.gov
- SEC staff responses on Section 61(a): conditional reduction from 200% to 150% asset coverage; staff views, not a new rule ↗www.sec.gov
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