# EDGAR Filing Document

**Accession Number:** 0002092002
**File Stem:** 0001104659-25-120375
**Filing Date:** 2025-12
**Character Count:** 8362
**Document Hash:** da3d26a7a1a04c9e5060a34ef38294a2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-120375.hdr.sgml**: 20251211

**ACCESSION NUMBER**: 0001104659-25-120375

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251211

**FILED AS OF DATE**: 20251211

**DATE AS OF CHANGE**: 20251211

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Fintiklis Orestes
- **CENTRAL INDEX KEY:** 0001828874

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43006
- **FILM NUMBER:** 251566086

**MAIL ADDRESS:**
- **STREET 1:** 555 MADISON AVENUE, SUITE 11A
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10002
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ITHAX Acquisition Sponsor III LLC
- **CENTRAL INDEX KEY:** 0002092002

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43006
- **FILM NUMBER:** 251566087

**BUSINESS ADDRESS:**
- **STREET 1:** 826 COLLINS AVENUE, SUITE 201
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33139
- **BUSINESS PHONE:** (305) 469-0917

**MAIL ADDRESS:**
- **STREET 1:** 826 COLLINS AVENUE, SUITE 201
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33139
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ITHAX Acquisition Corp III
- **CENTRAL INDEX KEY:** 0002080985
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 826 COLLINS AVE, SUITE 201
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33139
- **BUSINESS PHONE:** (305) 469-0917

**MAIL ADDRESS:**
- **STREET 1:** 826 COLLINS AVE, SUITE 201
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33139

## Exhibit 99.1

**Exhibit 99.1**

**Joint Filer Information**

---

| | |
|:---|:---|
| Name of Joint Filer: | ITHAX Acquisition Sponsor III LLC |
| Address of Joint Filer: | c/o ITHAX Acquisition Corp III<br> 826 Collins Avenue, Suite 201<br> West Palm Beach, Florida 33139 |
| Relationship of Joint Filer to Issuer: | 10% Owner Director (Director by Deputization). <br> Mr. Fintiklis serves as a Director of the Issuer. <br> ITHAX Acquisition Sponsor III LLC may be deemed <br> a director by deputization as a result of such service <br> of Mr. Fintiklis. |
| Issuer Name and Ticker or Trading Symbol: | ITHAX Acquisition Corp III [ITHA] |
| Date of Event Requiring Statement: |  |
| (Month/Day/Year): | 12/11/2025 |
| Name of Joint Filer: | Orestes Fintiklis |
| Address of Joint Filer: | c/o ITHAX Acquisition Corp III<br> 826 Collins Avenue, Suite 201<br> West Palm Beach, Florida 33139 |
| Relationship of Joint Filer to Issuer: | 10% Owner, Officer (Chief Executive Officer) and Director |
| Issuer Name and Ticker or Trading Symbol: | ITHAX Acquisition Corp III [ITHA] |
| Date of Event Requiring Statement: | 12/11/2025 |
| Month/Day/Year): |  |

---

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>ITHAX Acquisition Sponsor III LLC<br><sub>(Last) (First) (Middle)</sub><br>C/O ITHAX ACQUISITION CORP III<br>826 COLLINS AVENUE, SUITE 201<br><sub>(Street)</sub><br>MIAMI, FL 33139<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>ITHAX Acquisition Corp III [ ITHA ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-12-11 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Fintiklis Orestes<br><sub>(Last) (First) (Middle)</sub><br>C/O ITHAX ACQUISITION CORP III<br>826 COLLINS AVENUE, SUITE 201<br><sub>(Street)</sub><br>MIAMI, FL 33139<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>ITHAX Acquisition Corp III [ ITHA ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-12-11 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [X] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_CEO and CFO_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Class B Ordinary Shares | <sup>(1)</sup> | <sup>(1)</sup> | Class A Ordinary Shares | 7666667 | <sup>(1)</sup> | D<sup>(2)</sup> |  |

---

### Footnotes:

(1) The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-291600) (the "Registration Statement") and have no expiration date. The Class B ordinary shares beneficially owned by the Reporting Persons include up to 1,000,000 Class B ordinary shares subject to forfeiture to the Issuer depending on the extent to which the underwriters' over-allotment option is exercised in connection with the Issuer's initial public offering of units, as described in the Registration Statement.

(2) ITHAX Acquisition Sponsor III LLC is the record holder of the securities reported herein. Orestes Fintiklis is the managing member of ITHAX Acquisition Sponsor III LLC and has voting and investment discretion with respect to the securities held of record by ITHAX Acquisition Sponsor III LLC. Mr. Fintiklis disclaims any beneficial ownership of the securities held by ITHAX Acquisition Sponsor III LLC other than to the extent of any pecuniary interest he may have therein, directly or indirectly.

**Remarks:**
See Exhibit 99.1 - Joint Filer Information, which is incorporated herein by reference and describes in further detail the relationships of the Reporting Persons to the Issuer.

**Signature:** /s/ Orestes Fintiklis, for ITHAX Acquisition Sponsor III LLC  
**Date:** 2025-12-11

**Signature:** /s/ Orestes Fintiklis  
**Date:** 2025-12-11

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**