# EDGAR Filing Document

**Accession Number:** 0001240366
**File Stem:** 0001012975-26-000508
**Filing Date:** 2026-5
**Character Count:** 8955
**Document Hash:** 6df7130c4f9e9ccaa00663ae5caa009c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001012975-26-000508.hdr.sgml**: 20260529

**ACCESSION NUMBER**: 0001012975-26-000508

**CONFORMED SUBMISSION TYPE**: 4/A

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260527

**FILED AS OF DATE**: 20260529

**DATE AS OF CHANGE**: 20260529

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SINGER DAVID B
- **CENTRAL INDEX KEY:** 0001240366

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42646
- **FILM NUMBER:** 261046848

**MAIL ADDRESS:**
- **STREET 1:** C/O MAVERICK CAPITAL, LTD.
- **STREET 2:** 1900 N. PEARL STREET, 20TH FLOOR
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Infleqtion, Inc.
- **CENTRAL INDEX KEY:** 0002007825
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1315 WEST CENTURY DRIVE
- **STREET 2:** SUITE 150
- **CITY:** LOUISVILLE
- **STATE:** CO
- **ZIP:** 80027
- **BUSINESS PHONE:** (303) 440-1284

**MAIL ADDRESS:**
- **STREET 1:** 1315 WEST CENTURY DRIVE
- **STREET 2:** SUITE 150
- **CITY:** LOUISVILLE
- **STATE:** CO
- **ZIP:** 80027

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Churchill Capital Corp X/Cayman
- **DATE OF NAME CHANGE:** 20240110

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

## FORM 4/A

### 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>SINGER DAVID B<br><sub>(Last) (First) (Middle)</sub><br>C/O INFLEQTION, INC.<br>1315 WEST CENTURY DRIVE, SUITE 150<br><sub>(Street)</sub><br>LOUISVILLE, CO 80027<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-27 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Infleqtion, Inc. [ INFQ ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] 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 |
| Common Stock | 2026-05-27 |  | J<sup>(1)</sup> |  | 460072 | D | $0 | 2655270 | I | See Footnotes<sup>(7)(11)</sup> |
| Common Stock | 2026-05-27 |  | S<sup>(2)</sup> |  | 758561 | D | 15.2879<sup>(6)</sup> | 1896709 | I | See Footnotes<sup>(7)(11)</sup> |
| Common Stock | 2026-05-27 |  | S<sup>(2)</sup> |  | 332639 | D | 15.9754<sup>(12)</sup> | 1564070 | I | See Footnotes<sup>(7)(11)</sup> |
| Common Stock | 2026-05-27 |  | J<sup>(3)</sup> |  | 508549 | D | $0 | 4410403 | I | See Footnotes<sup>(8)(11)</sup> |
| Common Stock | 2026-05-27 |  | S<sup>(4)</sup> |  | 1376716 | D | 15.2879<sup>(6)</sup> | 3033687 | I | See Footnotes<sup>(8)(11)</sup> |
| Common Stock | 2026-05-27 |  | S<sup>(4)</sup> |  | 603707 | D | 15.9754<sup>(12)</sup> | 2429980 | I | See Footnotes<sup>(8)(11)</sup> |
| Common Stock | 2026-05-27 |  | J<sup>(5)</sup> |  | 349693 | A | $0 | 349693 | I | See Footnotes<sup>(9)(11)</sup> |
| Common Stock | 2026-05-27 |  | J<sup>(5)</sup> |  | 83773 | A | $0 | 83773 | I | See Footnotes<sup>(10)</sup> |

---

## 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 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Maverick Advisors Fund, L.P. ("Maverick Advisors Fund") distributed these shares to its limited partners pro rata for no consideration (the "MAF Distribution").

(2) These shares were sold by Maverick Advisors Fund as part of the MAF Distribution, and the proceeds of such sales were distributed to certain limited partners of Maverick Advisors Fund.

(3) Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund") distributed these shares to its limited partners pro rata for no consideration (the "MVIF Distribution").

(4) These shares were sold Maverick Ventures Fund as part of the MVIF Distribution, and the proceeds of such sales were distributed to certain limited partners of Maverick Ventures Fund.

(5) Received for no consideration in the pro rata distributions effected by Maverick Advisors Fund and Maverick Ventures Fund.

(6) The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.67 to $15.66 inclusive. The reporting persons undertake to provide the Issuer, any securityholder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within such range.

(7) Held directly by Maverick Advisors Fund. Maverick Capital Ventures, LLC ("Maverick Ventures") is the general partner of Maverick Advisors Fund. The Reporting Person is a managing partner of Maverick Ventures.

(8) Held directly by Maverick Ventures Fund. Maverick Ventures is the general partner of Maverick Ventures Fund.

(9) Held directly by Maverick Ventures.

(10) Held directly by family estate planning entities controlled by the Reporting Person.

(11) The Reporting Person disclaims, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, beneficial ownership of these securities, except to the extent of his pecuniary interest therein.

(12) The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.67 to $16.38 inclusive. The reporting persons undertake to provide the Issuer, any securityholder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within such range.

**Signature:** /s/ David B. Singer  
**Date:** 2026-05-29

### 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.**