Amendment: SEC Form SCHEDULE 13D/A filed by AST SpaceMobile Inc.
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 1)
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AST SpaceMobile, Inc. (Name of Issuer) |
Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) |
00217D100 (CUSIP Number) |
American Tower Corporation 222 Berkeley St., Boston, MA, 02116 (617) 375-7500 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
12/09/2025 (Date of Event Which Requires Filing of This Statement) |

SCHEDULE 13D
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| CUSIP No. | 00217D100 |
| 1 |
Name of reporting person
American Tower Corporation | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
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| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
DELAWARE
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 11 | Aggregate amount beneficially owned by each reporting person
2,382,036.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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| 13 | Percent of class represented by amount in Row (11)
0.84 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
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| CUSIP No. | 00217D100 |
| 1 |
Name of reporting person
ATC TRS II LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
2,382,036.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
0.84 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
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| Item 1. | Security and Issuer | |
| (a) | Title of Class of Securities:
Class A Common Stock, par value $0.0001 per share | |
| (b) | Name of Issuer:
AST SpaceMobile, Inc. | |
| (c) | Address of Issuer's Principal Executive Offices:
Midland Intl. Air & Space Port, 2901 Enterprise Lane, Midland,
TEXAS
, 79706. | |
Item 1 Comment:
This Amendment No. 1 to Schedule 13D ("Amendment No. 1") amends and supplements the Schedule 13D originally filed with the Securities and Exchange Commission (the "SEC") on April 16, 2021 (the "Schedule 13D"), relating to the shares of Class A Common Stock, par value $0.0001 per share (the "Class A Common Stock"), of AST SpaceMobile, Inc., a Delaware corporation (the "Issuer"). This Amendment No. 1 amends and restates Items 5(a)-(c) as set forth below. Unless specified otherwise, capitalized terms used herein without definition shall have the meanings set forth in the Schedule 13D. | ||
| Item 5. | Interest in Securities of the Issuer | |
| (a) | The responses set forth in rows 11 and 13 on the cover page to this Amendment No. 1 are incorporated by reference into this Item 5. | |
| (b) | The responses set forth in rows 7 through 10 on the cover page to this Schedule 13D are incorporated by reference into this Item 5. | |
| (c) | On December 9, 2025, the Reporting Persons sold an aggregate of 2,288,621 shares of Class A Common Stock pursuant to a block trade with Barclays Capital Inc. at a price of $69.75 per share. | |
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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(b)