# EDGAR Filing Document

**Accession Number:** 0001374849
**File Stem:** 0001104659-26-038052
**Filing Date:** 2026-3
**Character Count:** 11078
**Document Hash:** 60fd4e64dc0b8d77ce71918e1838fdd9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-038052.hdr.sgml**: 20260331

**ACCESSION NUMBER**: 0001104659-26-038052

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260327

**FILED AS OF DATE**: 20260331

**DATE AS OF CHANGE**: 20260331

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Harries-Jones Trevor
- **CENTRAL INDEX KEY:** 0001374849

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43111
- **FILM NUMBER:** 26824354

**MAIL ADDRESS:**
- **STREET 1:** 275 SACRAMENTO STREET
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94111
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Shea Ryan
- **CENTRAL INDEX KEY:** 0002103988

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43111
- **FILM NUMBER:** 26824353

**MAIL ADDRESS:**
- **STREET 1:** 406 N SANGAMON STREET
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60642
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Idea Tender LLC
- **CENTRAL INDEX KEY:** 0002090849

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43111
- **FILM NUMBER:** 26824355

**BUSINESS ADDRESS:**
- **STREET 1:** 1010 WILSHIRE BOULEVARD SUITE 1604
- **CITY:** LOS ANGELES
- **STATE:** CA
- **ZIP:** 90017
- **BUSINESS PHONE:** 202-703-7948

**MAIL ADDRESS:**
- **STREET 1:** 1010 WILSHIRE BOULEVARD SUITE 1604
- **CITY:** LOS ANGELES
- **STATE:** CA
- **ZIP:** 90017
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Idea Acquisition Corp.
- **CENTRAL INDEX KEY:** 0002091176
- **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:** 1010 WILSHIRE BOULEVARD SUITE 1604
- **CITY:** LOS ANGELES
- **STATE:** CA
- **ZIP:** 90017
- **BUSINESS PHONE:** 202-703-7948

**MAIL ADDRESS:**
- **STREET 1:** 1010 WILSHIRE BOULEVARD SUITE 1604
- **CITY:** LOS ANGELES
- **STATE:** CA
- **ZIP:** 90017

## Exhibit 99.1

**Exhibit 99.1**

Joint Filer Information

---

| | |
|:---|:---|
| Name of Joint Filer: | Idea Tender LLC |
| Address of Joint Filer: | c/o Idea Acquisition Corp. |
|  | 1010 Wilshire Boulevard, Suite 1604 |
|  | Los Angeles, California 90017 |
| Relationship of Joint Filer to Issuer: | 10% Owner, Director |
| Issuer Name and Ticker or Trading Symbol: | Idea Acquisition Corp. [IACO] |
| Date of Event Requiring Statement: |  |
| (Month/Day/Year): | 03/27/2026 |
| Name of Joint Filer: | Trevor Harries-Jones |
| Address of Joint Filer: | c/o Idea Acquisition Corp. |
|  | 1010 Wilshire Boulevard, Suite 1604 |
|  | Los Angeles, California 90017 |
| Relationship of Joint Filer to Issuer: | Director, Officer (Chief Executive Officer) |
| Issuer Name and Ticker or Trading Symbol: | Idea Acquisition Corp. [IACO] |
| Date of Event Requiring Statement: |  |
| (Month/Day/Year): | 03/27/2026 |
| Name of Joint Filer: | Ryan Shea |
| Address of Joint Filer: | c/o Idea Acquisition Corp. |
|  | 1010 Wilshire Boulevard, Suite 1604 |
|  | Los Angeles, California 90017 |
| Relationship of Joint Filer to Issuer: | Director, Officer (Chief Operating Officer) |
| Issuer Name and Ticker or Trading Symbol: | Idea Acquisition Corp. [IACO] |
| Date of Event Requiring Statement: |  |
| (Month/Day/Year): | 03/27/2026 |

---

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Idea Tender LLC<br><sub>(Last) (First) (Middle)</sub><br>C/O IDEA ACQUISITION CORP.<br>1010 WILSHIRE BOULEVARD, SUITE 1604<br><sub>(Street)</sub><br>LOS ANGELES, CA 90017<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-27 | **5. 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>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Idea Acquisition Corp. [ IACO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>Harries-Jones Trevor<br><sub>(Last) (First) (Middle)</sub><br>C/O IDEA ACQUISITION CORP.<br>1010 WILSHIRE BOULEVARD, SUITE 1604<br><sub>(Street)</sub><br>LOS ANGELES, CA 90017<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-27 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Executive Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Idea Acquisition Corp. [ IACO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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>Shea Ryan<br><sub>(Last) (First) (Middle)</sub><br>C/O IDEA ACQUISITION CORP.<br>1010 WILSHIRE BOULEVARD, SUITE 1604<br><sub>(Street)</sub><br>LOS ANGELES, CA 90017<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-27 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Operating Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Idea Acquisition Corp. [ IACO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<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 |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Class B Ordinary Shares<sup>(1)</sup> | <sup>(1)</sup> | 2026-03-27 |  | J<sup>(2)</sup> |  |  | 1312500 | <sup>(1)</sup> | <sup>(1)</sup> | Class A Ordinary Shares<sup>(1)</sup> | 1312500 | 0.00<sup>(1)</sup> | 8750000<sup>(1)</sup> | D<sup>(3)</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. 333-291010) (the "Registration Statement") and have no expiration date.

(2) On March 27, 2026, Idea Tender LLC forfeited at no cost 1,312,500 Class B Ordinary Shares of the Issuer in connection with the expiration of the option grated to the underwriters of the Issuer's initial public offering of units to cover any over-allotments.

(3) Idea Tender LLC is the record holder of the securities reported herein. Trevor Harries-Jones and Ryan Shea are the managing members of Idea Tender LLC. Each of Messrs. Harries-Jones and Shea has voting and investment discretion with respect to the securities held of record by Idea Tender LLC.

**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/ Jordan Leon, Attorney-in- Fact for Idea Tender LLC  
**Date:** 2026-03-31

**Signature:** /s/ Jordan Leon, Attorney-in-Fact for Trevor Harries-Jones  
**Date:** 2026-03-31

**Signature:** /s/ Jordan Leon, Attorney-in-Fact for Ryan Shea  
**Date:** 2026-03-31

### 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.**