Hiroshi Mikitani - 14 Apr 2026 Form 4 Insider Report for AST SpaceMobile, Inc. (ASTS)

Reporting relationship: 10%+ Owner
Issuer ticker: ASTS
Reported as of: 14 Apr 2026
Net transaction value: -$270,896,800
SEC form: 4
Accepted by SEC: 16 Apr 2026, 20:59:19 UTC
Prior SEC filing: 10 Oct 2024
Source filing: View source filing
Reporting owner signature: Hiroshi Mikitani /s/Hiroshi Mikitani

Key filing fact

Hiroshi Mikitani filed Form 4 for AST SpaceMobile, Inc. (ASTS) on 16 Apr 2026.

Key facts

This page summarizes Hiroshi Mikitani's Form 4 filing for AST SpaceMobile, Inc. (ASTS).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 16 Apr 2026, 20:59.

Change

Previous filing in this sequence was filed on 10 Oct 2024.
Current net transaction value: -$270,896,800.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (3)

CIK 0001760624 Primary reporting owner

Mikitani Hiroshi

Relationship: 10%+ Owner
Address: 1-14-1 TAMAGAWA, SETAGAYA-KU, TOKYO, JAPAN
Signature: Hiroshi Mikitani /s/Hiroshi Mikitani
Signature date: 16 Apr 2026

CIK 0001294591

Rakuten Group, Inc.

Relationship: 10%+ Owner
Address: 1-14-1 TAMAGAWA, SETAGAYA-KU, TOKYO, JAPAN
Signature: Rakuten Group, Inc. /s/Kentaro Hyakuno, Representative Director, Group Senior Executive Vice President
Signature date: 16 Apr 2026

CIK 0002035591

Rakuten Mobile, Inc.

Relationship: 10%+ Owner
Address: 1-14-1 TAMAGAWA, SETAGAYA-KU, TOKYO, JAPAN
Signature: Rakuten Mobile, Inc. /s/Atsushi Maeda, Director, Executive Vice President and CFO
Signature date: 16 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ASTS transaction

Class A Common Stock

Sale

Transaction value: $154,499,800
Shares: -1,690,000
Change %: -5.4%
Price: $91.42
Shares after: 29,330,155
Date: 14 Apr 2026
Ownership: See footnote
Footnotes: F1, F2

ASTS transaction

Class A Common Stock

Sale

Transaction value: $154,499,800
Shares: -1,690,000
Change %: -5.4%
Price: $91.42
Shares after: 29,330,155
Date: 14 Apr 2026
Ownership: See footnote
Footnotes: F1, F2

ASTS transaction

Class A Common Stock

Sale

Transaction value: $154,499,800
Shares: -1,690,000
Change %: -5.4%
Price: $91.42
Shares after: 29,330,155
Date: 14 Apr 2026
Ownership: See footnote
Footnotes: F1, F2

ASTS transaction

Class A Common Stock

Sale

Transaction value: $116,397,000
Shares: -1,350,000
Change %: -4.6%
Price: $86.22
Shares after: 27,980,155
Date: 15 Apr 2026
Ownership: See footnote
Footnotes: F1, F3

ASTS transaction

Class A Common Stock

Sale

Transaction value: $116,397,000
Shares: -1,350,000
Change %: -4.6%
Price: $86.22
Shares after: 27,980,155
Date: 15 Apr 2026
Ownership: See footnote
Footnotes: F1, F3

ASTS transaction

Class A Common Stock

Sale

Transaction value: $116,397,000
Shares: -1,350,000
Change %: -4.6%
Price: $86.22
Shares after: 27,980,155
Date: 15 Apr 2026
Ownership: See footnote
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Hiroshi Mikitani is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 3 footnotes

Footnote F1

The shares of Class A Common Stock of the Issuer (the "Common Stock") set forth herein are held of record by Rakuten Mobile, Inc., a wholly-owned subsidiary of Rakuten Group, Inc. Hiroshi Mikitani is the founder, Chairman and Chief Executive Officer of Rakuten Group, Inc. and has voting and investment discretion with respect to the securities held of record by Rakuten Mobile, Inc. By reason of the provisions of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, Mr. Mikitani and Rakuten Group, Inc. may be deemed to be the beneficial owner of the securities beneficially owned by Rakuten Mobile, Inc. Mr. Mikitani and Rakuten Group, Inc. hereby disclaim beneficial ownership of all such securities, except to the extent of any indirect pecuniary interest therein.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.50 to $103.96 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote 2 to this Form 4.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.04 to $88.71 per share, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote 2 to this Form 4.