Company: USCB
Filing Date: 2025-05-02
Form Type: S-3
Source: 0001193125-25-111625
Chunk: 44

Company: USCB FINANCIAL HOLDINGS, INC.
Filing Date: 2025-05-02
Form: S-3
Chunk 44
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 to the close of business on the expiration date and in accordance with the procedures set forth in the applicable
prospectus supplement. Upon and after the close of business on the expiration date, unexercised warrants will be void and have no further force, effect or value.

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DESCRIPTION OF PURCHASE CONTRACTS We may issue purchase contracts for the purchase or sale of Common Stock, Preferred Stock or debt securities issued by us as specified in the applicable prospectus supplement. Each purchase contract will entitle the holder thereof to purchase or sell, and obligate us to sell or purchase on specified dates, such securities at a specified purchase price, which may be based on a formula, all as set forth in the applicable prospectus supplement. We may, however, satisfy our obligations, if any, with respect to any purchase contract by delivering the cash value of such purchase contract or the cash value of the securities otherwise deliverable, as set forth in the applicable prospectus supplement. The applicable prospectus supplement will also specify the methods by which the holders may purchase or sell such securities, and any acceleration, cancellation or termination provisions or other provisions relating to the settlement of a purchase contract. The price per security and the number of securities may be fixed at the time the purchase contracts are entered into or may be determined by reference to a specific formula set forth in the applicable purchase contracts. The purchase contracts may be issued separately or as part of units consisting of a purchase contract and debt securities, or any other securities offered under this prospectus and described in the applicable prospectus supplement or any combination of the foregoing, securing the holders’ obligations to purchase the securities under the purchase contracts. The purchase contracts may require holders to secure their obligations under the purchase contracts in a specified manner. The purchase contracts also may require us to make periodic payments to the holders of the purchase contracts or vice versa, and those payments may be unsecured or pre-fundedon some basis. The prospectus supplement relating to any offering of purchase contracts will contain the specific terms of the purchase contracts. These terms may include, without limitation, the following:

| • |     | whether the purchase contracts obligate the holder or us to purchase or sell, or both purchase and sell, the                                                   
 securities subject to purchase under the purchase contract, and the nature and amount of each of those securities, or the method of determining those amounts; |

| • |     | whether the purchase contracts are to be prepaid or not; |

| • |     | whether the purchase contracts are to be settled by