Company: HBCP
Filing Date: 2025-11-21
Form Type: S-3
Source: 0001628280-25-053512
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Company: HOME BANCORP, INC.
Filing Date: 2025-11-21
Form: S-3
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 the Securities Act of 1933 or until the Registration Statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.

The information in this prospectus is not complete and may be changed. We may not sell any of these securities or accept any offer to buy any of them until the registration statement filed with the Securities and Exchange Commission is declared effective. This prospectus is not an offer to sell these securities and is not soliciting an offer to buy these securities in any state or other jurisdiction where the offer or sale is not permitted.

#### SUBJECT TO COMPLETION, DATED
<div align='center'>NOVEMBER 21, 2025</div>

PROSPECTUS

#### HOME BANCORP, INC.
<div align='center'>$150,000,000</div>

#### Debt Securities

#### Common Stock

#### Preferred Stock

#### Depositary Shares

#### Warrants

#### Purchase Contracts

#### Subscription Rights

#### Units
We may offer and sell from time to time, in one or more series, our debt securities, which may consist of notes, debentures, or other evidences of indebtedness, shares of our common stock or preferred stock, depositary shares, purchase contracts, warrants, rights and units comprised of two or more of these securities in any combination. The debt securities, preferred stock and depositary shares we may offer may be convertible into or exchangeable for other securities of ours. The aggregate offering price of the securities offered by us under this prospectus will not exceed $150,000,000.

This prospectus provides you with a general description of these securities. Each time any securities are offered pursuant to this prospectus, we will provide you with a prospectus supplement, and, if necessary, a pricing supplement, that will describe the specific amounts, prices and terms of the securities being offered. These supplements may also add, update or change information contained in this prospectus. To understand the terms of the securities offered, you should carefully read this prospectus with the applicable supplements, which together provide the specific terms of the securities being offered.

We may offer and sell the securities to or through one or more underwriters, dealers and agents, or directly to purchasers, on a continuous or delayed basis.

Our common stock is listed on the NASDAQ Global Select Market under the symbol “HBCP.” None of the other securities offered for sale are currently publicly traded. Each prospectus supplement will indicate if the securities offered thereby will be listed