Company: HCTI
Filing Date: 2025-11-19
Form Type: 424B5
Source: 0001213900-25-112544
Chunk: 1

Company: Healthcare Triangle, Inc.
Filing Date: 2025-11-19
Form: 424B5
Chunk 1
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,000 and (2) the expiration of the effectiveness of the registration
statement related to this prospectus supplement pursuant to Rule 415(a)(5) under the Securities Act or any earlier date on which all securities
registered under the registration statement related to this prospectus supplement have been sold or the registration statement related
to this prospectus supplement has otherwise been withdrawn.

Currently, we are an “emerging
growth company” as defined in Section 2(a) of the Securities Act, and are subject to reduced public company reporting requirements.
Please read “Implications of Being an Emerging Growth Company” on page S-3 of this prospectus.

Investing in our securities involves a high degree of risk. You should read carefully and consider the “ Risk Factors” beginning on page S-6 of this prospectus supplement and on page 10 of the accompanying base prospectus.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense.

<div align='center'>Spartan Capital Securities, LLC

The date of this prospectus supplement is November 18, 2025

TABLE OF CONTENTS

PROSPECTUS SUPPLEMENT</div>

|                                                      |     | Page  |
| About This Prospectus Supplement                     |     | S-ii  |
| Cautionary Note Regarding Forward-Looking Statements |     | S-iii |
| Prospectus Supplement Summary                        |     | S-1   |
| The Offering                                         |     | S-5   |
| Risk Factors                                         |     | S-6   |
| Use of Proceeds                                      |     | S-8   |
| Dilution                                             |     | S-9   |
| Plan of Distribution                                 |     | S-10  |
| Legal Matters                                        |     | S-12  |
| Experts                                              |     | S-12  |
| Where You Can Find More Information                  |     | S-12  |
| Incorporation of Certain Information By Reference    |     | S-13  |

<div align='center'>PROSPECTUS</div>

|                                                           |     | Page |
| About This Prospectus                                     |     |   ii |
| Cautionary Statement Regarding Forward-Looking Statements |     |  iii |
| Prospectus Summary                                        |     |    1 |
| Risk Factors                                              |     |   10 |
| Use of Proceeds