# EDGAR Filing Document

**Accession Number:** 0001053507
**File Stem:** 0001193125-25-315966
**Filing Date:** 2025-12
**Character Count:** 8066
**Document Hash:** 04699e953dcbf13b1cb56fba9fa5c712
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-315966.hdr.sgml**: 20251211

**ACCESSION NUMBER**: 0001193125-25-315966

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251209

**FILED AS OF DATE**: 20251211

**DATE AS OF CHANGE**: 20251211

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN TOWER CORP /MA/
- **CENTRAL INDEX KEY:** 0001053507
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39040
- **FILM NUMBER:** 251565144

**BUSINESS ADDRESS:**
- **STREET 1:** 116 HUNTINGTON AVE
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** 6173757500

**MAIL ADDRESS:**
- **STREET 1:** 116 HUNTINGTON AVE
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

**FORMER NAME:**
- **FORMER CONFORMED NAME:** AMERICAN TOWER SYSTEMS CORP
- **DATE OF NAME CHANGE:** 19980128
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AST SpaceMobile, Inc.
- **CENTRAL INDEX KEY:** 0001780312
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMMUNICATION SERVICES, NEC [4899]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** MIDLAND INTL. AIR & SPACE PORT
- **STREET 2:** 2901 ENTERPRISE LANE
- **CITY:** MIDLAND
- **STATE:** TX
- **ZIP:** 79706
- **BUSINESS PHONE:** 432-276-3966

**MAIL ADDRESS:**
- **STREET 1:** MIDLAND INTL. AIR & SPACE PORT
- **STREET 2:** 2901 ENTERPRISE LANE
- **CITY:** MIDLAND
- **STATE:** TX
- **ZIP:** 79706

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** New Providence Acquisition Corp.
- **DATE OF NAME CHANGE:** 20190620

### 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>AMERICAN TOWER CORP /MA/<br><sub>(Last) (First) (Middle)</sub><br>222 BERKELEY ST.<br><sub>(Street)</sub><br>BOSTON, MA 02116<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-12-09 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[ ] Officer (give title below) [X] Other (specify below)<br>_Member of 10% owner group_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>AST SpaceMobile, Inc. [ ASTS ] | **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 |
| Class A Common Stock | 2025-12-09 |  | S |  | 2288621<sup>(1)</sup> | D | $69.75 | 211379 | I | See Explanation of Responses |
| Class B Common Stock |  |  |  |  |  |  |  | 2170657<sup>(2)</sup> | I | See Explanation of Responses |

---

## 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 |
| Common Units | <sup>(3)</sup> |  |  |  |  |  |  | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Stock | 2170657 |  | 2170657 | I | See Explanation of Responses |

---

### Footnotes:

(1) Represents shares of Class A Common Stock ("Class A Shares") of AST SpaceMobile, Inc. (the "Issuer") held by ATC TRS II LLC ("TRS II"), a wholly owned subsidiary of American Tower Corporation (together with TRS II, the "Reporting Persons"), sold pursuant to a block trade with Barclays Capital Inc.

(2) TRS II directly holds 2,170,657 common units ("Common Units") of AST & Science LLC ("AST LLC") and an equal number of Class B Common Stock of the Issuer ("Class B Shares").

(3) The Common Units, together with an equal number of Class B Shares, may be redeemed by TRS II at any time for Class A Shares on a one-to-one basis. The Common Units do not expire.

**Remarks:**
The Reporting Person may be deemed to be a member of a group (for purposes of Rule 13d-3 under the Exchange Act) with the other stockholders of the Issuer party to the Stockholders' Agreement, dated April 6, 2021, filed as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed with the Securities and Exchange Commission (the "SEC") on April 12, 2021, as amended and restated by the Amended and Restated Stockholders' Agreement, dated June 5, 2024, filed as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed with the SEC on June 7, 2024, and the First Amendment to Amended and Restated Stockholders' Agreement, dated as of February 5, 2025, filed as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed with the SEC on February 7, 2025. The Reporting Person disclaims beneficial ownership of any securities reported by any person except to the extent of its pecuniary interest therein.

**Signature:** /s/ Rodney M. Smith, By: Executive Vice President, Chief Financial Officer and Treasurer, American Tower Corporation  
**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.**