0002096617 2026-11-04 2026-11-04 0002096617 DVST:DividendSustainabilityPortfolio20264Member 2026-11-04 2026-11-04 0002096617 DVST:InternationalDividendSustainabilityPortfolio20264Member 2026-11-04 2026-11-04 0002096617 DVST:GlobalDividendSustainabilityPortfolio20264Member 2026-11-04 2026-11-04 true 0002096617 0002096617 1 S-6 2026-11-04 Invesco Unit Trusts, Series 2504 Principal Investment Strategy. The Portfolio seeks to achieve its objective by investing in a portfolio of common stocks of companies derived from the S&P 500 Dividend Aristocrats Index. The S&P 500 Dividend Aristocrats Index consists of stocks of those companies contained in the S&P 500 Index that have followed a policy of consistently increasing dividends every year for at least 25 years, which Invesco Capital Markets, Inc., the Sponsor, refers to as “dividend sustainability” companies. The Sponsor selected the stocks for the Portfolio from among the S&P 500 Dividend Aristocrats Index component list as most recently made available to the Sponsor prior to the Initial Date of Deposit. As of the Initial Date of Deposit, all of the Portfolio’s investments are in securities of “dividend sustainability” companies. Principal Investment Strategy. The Portfolio seeks to achieve its objective by investing in a portfolio of common stocks and American Depositary Receipts (“ADRs”) of foreign companies with a history of increasing dividend distributions, which Invesco Capital Markets, Inc., the Sponsor, refers to as international “dividend sustainability” companies. The Sponsor only considered companies with an S&P Global Issuer Credit Rating of BBB- or higher and a minimum share price of $5 (USD) at the time of selection. Companies considered for inclusion in the Portfolio must have demonstrated consistent dividend per share growth over the last 5 years. As of the Initial Date of Deposit, all of the Portfolio’s investments are in securities of international “dividend sustainability” companies. Principal Investment Strategy. The Portfolio seeks to achieve its objective by investing in a portfolio of stocks of foreign and domestic companies selected by applying two separate specialized strategies. The Dividend Sustainability Strategy will make up approximately 60% of the initial Portfolio, while the International Dividend Sustainability Strategy will comprise approximately 40%. Invesco Capital Markets, Inc. is the Sponsor of the Portfolio. The Sponsor refers to companies selected through the Dividend Sustainability Strategy as “dividend sustainability” companies and those selected through the International Dividend Sustainability Strategy as international “dividend sustainability” companies. As of the Initial Date of Deposit, the Portfolio invests all of its assets in securities of “dividend sustainability” and international “dividend sustainability” companies.