From Bitcoin to Blue Chips. Enter the Calamos Era of Protected Investing – Calamos Investments – 2.13.25

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Before investing, carefully consider the fund’s investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-866-363-9219. Read it carefully before investing.

©2025 Calamos Investments LLC. All Rights Reserved. Calamos®, Calamos Investments®; and Investment strategies for your serious money® are registered trademarks of Calamos Investments LLC.

Calamos Investments LLC, referred to herein as Calamos Investments®, is a financial services company offering such services through its subsidiaries: Calamos Advisors LLC, Calamos Wealth Management LLC, Calamos Financial Services LLC and Calamos Antetokounmpo Asset Management LLC.

The information in each fund’s prospectus and statement of additional information) is not complete and may be changed. We may not sell the securities of any fund until such fund’s registration statement filed with the Securities and Exchange Commission is effective. Each fund’s prospectus and statement of additional information is not an offer to sell such fund’s securities and is not soliciting an offer to buy such fund’s securities in any state where the offer or sale is not permitted.

Calamos Investments LLC, referred to herein Calamos is a financial services company offering such services through its subsidiaries: Calamos Advisors LLC, Calamos Wealth Management LLC, Calamos Investments LLP, and Calamos Financial Services LLC.

The Funds seek to provide investment results that, before taking fees and expenses into account, track the positive price return of the CME CF Bitcoin Reference Rate – New York Variant (“BRRNY”) (“Spot bitcoin”) up to a predetermined upside cap (the “Cap”) while seeking to protect against 100%, 90% or 80%, respectively, of losses (before total fund operating fees and expenses) of Spot bitcoin over a period of approximately one (1) year (the “Outcome Period”). The Funds will not invest directly in bitcoin. Instead, the Funds seek to provide investment results that, before taking total fund operating fees and expenses into account, track the positive price return of Spot bitcoin by investing in options that reference the price performance of one or more underlying exchange-traded products (“Underlying ETPs”) which, in turn, own bitcoin and/or one or more indexes that are designed to track the price of bitcoin (“Bitcoin Index”).

The Target Outcome may not be achieved, and investors may lose some or all of their money. The Funds are designed to achieve the Target Outcome only if an investor buys on the first day of the Outcome Period and holds a Fund until the end of the Outcome Period. While the Funds seek to provide 100%, 90% or 80% protection against losses experienced by the price of Spot bitcoin for shareholders who hold Fund Shares for an entire Outcome Period, there is no guarantee a Fund will successfully do so. If a Fund’s NAV has increased significantly, a shareholder that purchases Fund Shares after the first day of an Outcome Period could lose their entire investment. An investment in the Funds is only appropriate for shareholders willing to bear those losses. There is no guarantee the Capital Protection and Cap will be successful, and a shareholder investing at the beginning of an Outcome Period could also lose their entire investment.

An investment in the Fund is subject to risks, and you could lose money on your investment in the Fund. There can be no assurance that the Fund will achieve its investment objective. Your investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. The Fund also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund’s prospectus.

Digital Assets Risk: The bitcoin network was first launched in 2009 and bitcoins were the first cryptographic digital assets created to gain global adoption and critical mass. Although the bitcoin network is the most established digital asset network, the bitcoin network and other cryptographic and algorithmic protocols governing the issuance of digital assets represent a new and rapidly evolving industry that is subject to a variety of factors that are difficult to evaluate. Moreover, because digital assets, including bitcoin, have been in existence for a short period of time and are continuing to develop, there may be additional risks in the future that are impossible to predict as of the date of this prospectus. Digital assets represent a new and rapidly evolving industry, and the value of the Underlying ETPs’ shares depends on the acceptance of bitcoin. The realization of one or more of the following risks could materially adversely affect the value of the Underlying ETPs’ shares.

Investing involves risks. Loss of principal is possible. The Fund(s) face numerous market trading risks, including authorized participation concentration risk, cap change risk, capital protection risk, capped upside risk, cash holdings risk, clearing member default risk, correlation risk, derivatives risk, equity securities risk, investment timing risk, large-capitalization investing risk, liquidity risk, market maker risk, market risk, non-diversification risk, options risk, premium-discount risk, secondary market trading risk, sector risk, tax risk, trading issues risk, underlying ETF risk and valuation risk. For a detailed list of fund risks see the prospectus.

100%, 90% or 80% capital protection is over a one-year period before fees and expenses. All caps are pre-determined.

Cap Rate – Maximum percentage return an investor can achieve from an investment in the Fund if held over the Outcome Period.

Cap Range – Ranges are based on multiple estimated cap rates obtained from 1/2/25 – 1/17/25, based on market conditions during the sample period, and are subject to change. The actual cap rates may be different based on market events.

Protection Level – Amount of protection the Fund is designed to achieve over the Days Remaining.

Outcome Period – Number of days in the Outcome Period.

The Funds seek to provide investment results that, before taking fees and expenses into account, track the positive price return of the CME CF Bitcoin Reference Rate – New York Variant (“BRRNY”) (“Spot bitcoin”) up to a predetermined upside cap (the “Cap”) while seeking to protect against 100%, 90% or 80%, respectively, of losses (before total fund operating fees and expenses) of Spot bitcoin over a period of approximately one (1) year (the “Outcome Period”). The Funds will not invest directly in bitcoin. Instead, the Funds seek to provide investment results that, before taking total fund operating fees and expenses into account, track the positive price return of Spot bitcoin by investing in options that reference the price performance of one or more underlying exchange-traded products (“Underlying ETPs”) which, in turn, own bitcoin and/or one or more indexes that are designed to track the price of bitcoin (“Bitcoin Index”).

The Target Outcome may not be achieved, and investors may lose some or all of their money. The Funds are designed to achieve the Target Outcome only if an investor buys on the first day of the Outcome Period and holds a Fund until the end of the Outcome Period. While the Funds seek to provide 100%, 90% or 80% protection against losses experienced by the price of Spot bitcoin for shareholders who hold Fund Shares for an entire Outcome Period, there is no guarantee a Fund will successfully do so. If a Fund’s NAV has increased significantly, a shareholder that purchases Fund Shares after the first day of an Outcome Period could lose their entire investment. An investment in the Funds is only appropriate for shareholders willing to bear those losses. There is no guarantee the Capital Protection and Cap will be successful, and a shareholder investing at the beginning of an Outcome Period could also lose their entire investment.

An investment in the Funds is subject to risks, and you could lose money on your investment in a Fund. There can be no assurance that a Fund will achieve its investment objective. Your investment in a Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in a Fund can increase during times of significant market volatility. The Funds also have specific principal risks, which are described below. More detailed information regarding these risks can be found in the Funds’ prospectus.

Digital Assets Risk: The Bitcoin network was first launched in 2009 and bitcoins were the first cryptographic digital assets created to gain global adoption and critical mass. Although the Bitcoin network is the most established digital asset network, the Bitcoin network and other cryptographic and algorithmic protocols governing the issuance of digital assets represent a new and rapidly evolving industry that is subject to a variety of factors that are difficult to evaluate. Moreover, because digital assets, including bitcoin, have been in existence for a short period of time and are continuing to develop, there may be additional risks in the future that are impossible to predict as of the date of this prospectus. Digital assets represent a new and rapidly evolving industry, and the value of the Underlying ETPs’ shares depends on the acceptance of bitcoin. The realization of one or more of the following risks could materially adversely affect the value of the Underlying ETPs’ shares.

Investing involves risks. Loss of principal is possible. The Funds face numerous market trading risks, including authorized participation concentration risk, underlying ETP risk, cap change risk, capital protection risk, capped upside risk, cash holdings risk, concentration risk, clearing member default risk, correlation risk, costs of buying and selling fund shares, counterparty risk, derivatives risk, equity securities risk, FLEX options risk, interest rate risk, investment in a subsidiary, investment timing risk, liquidity risk, management risk, market maker risk, market risk, new fund risk, non-diversification risk, options risk, OTC options risk, position limits risk, premium-discount risk, secondary market trading risk, sector risk, tax risk, trading issues risk, U.S. Government security risk, U.S. Treasury risk, and valuation risk. For a detailed list of Fund risks see the prospectus.

100%, 90% or 80% capital protection is over a one-year period before fees and expenses. All caps are pre-determined

Before investing, carefully consider the fund’s investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-866-363-9219. Read it carefully before investing.

An investment in the Fund(s) is subject to risks, and you could lose money on your investment in the Fund(s). There can be no assurance that the Fund(s) will achieve its investment objective. Your investment in the Fund(s) is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund(s) can increase during times of significant market volatility. The Fund(s) also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund’s prospectus. Risks of investing in the Calamos Alternative Nasdaq & Bond ETF include risks associated with: Authorized Participant Concentration Risk — Only an Authorized Participant may engage in creation or redemption transactions directly with the Fund, and none of those Authorized Participants is obligated to engage in creation and/or redemption transactions; Debt Securities Risk — Debt securities are subject to various risks, including interest rate risk, credit risk and default risk; Equity Securities Risk — The securities markets are volatile, and the market prices of the Fund’s securities may decline generally; FLEX Options Risk — The Fund may invest in FLEX Options issued and guaranteed for settlement by The Options Clearing Corporation (“OCC”). FLEX Options are customized option contracts that trade on an exchange but provide investors with the ability to customize key contract terms like strike price, style and expiration date while achieving price discovery in competitive, transparent auctions markets and avoiding the counterparty exposure of over-the-counter options positions; High Yield Risk — High yield securities and unrated securities of similar credit quality (commonly known as “junk bonds”) are subject to greater levels of credit and liquidity risks; LEAPS Options Risk — The Fund’s investments in options contracts may include long-term equity anticipation securities known as LEAPS Options. LEAPS Options are long-term exchange-traded call options that allow holders the opportunity to participate in the underlying securities’ appreciation in excess of a specified strike price without receiving payments equivalent to any cash dividends declared on the underlying securities; Liquidity Risk – FLEX Options — In the event that trading in the underlying FLEX Options is limited or absent, the value of the Fund’s FLEX Options may decrease; Liquidity Risk – LEAPS Options — In the event that trading in the underlying LEAPS Options is limited or absent, the value of the Fund’s LEAPS Options may decrease; Market Maker Risk — If the Fund has lower average daily trading volumes, it may rely on a small number of third-party market makers to provide a market for the purchase and sale of Fund Shares; Market Risk— The risk that the securities markets will increase or decrease in value is considered market risk and applies to any security; New Fund Risk — The Fund is a recently organized investment company with a limited operating history; Non-Diversification Risk — The Fund is classified as “non-diversified” under the 1940 Act; Options Risk—The Fund’s ability to close out its position as a purchaser or seller of an over-the-counter or exchange-listed put or call option is dependent, in part, upon the liquidity of the option market; Other Investment Companies (including ETFs) Risk — The Fund may invest in the securities of other investment companies to the extent that such investments are consistent with the Fund’s investment objective and the policies are permissible under the 1940 Act.

Nasdaq® and Nasdaq-100, are registered trademarks of Nasdaq, Inc. (which with its affiliates is referred to as the “Corporations”) and are licensed for use by Calamos Advisors LLC. The Fund has not been passed on by the Corporations as to their legality or suitability. The Fund is not issued, endorsed, sold, or promoted by the Corporations. THE CORPORATIONS MAKE NO WARRANTIES AND BEAR NO LIABILITY WITH RESPECT TO THE FUND(S)