Ast Spacemobile Inc
Ownership
Ownership Structure
Who owns Ast Spacemobile Inc (ASTS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 88.9% of the shares are freely tradable; institutional investors hold 47.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Rakuten Group Inc | 5.17 | 15,510,078 | -50.0 | 06/30/2026 |
| BlackRock Inc | 4.84 | 14,517,234 | +21.5 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.83 | 11,489,121 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 3.68 | 11,043,563 | +0.0 | 03/31/2026 |
| Alphabet Inc | 2.98 | 8,943,486 | +0.0 | 06/30/2026 |
| State Street Corp | 1.86 | 5,585,487 | +41.3 | 03/31/2026 |
| Vodafone Ventures Ltd. | 1.83 | 5,471,743 | +0.0 | 06/30/2026 |
| Geode Capital Management, LLC | 1.59 | 4,765,087 | +5.4 | 03/31/2026 |
| UBS Group AG | 1.52 | 4,543,334 | +31.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.01 | 9,038,434 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Avellan Abel Antonio | Chief Executive Officer | 78,692,209 | 4,603,494,227 $ | Aug 17, 2026 | direct |
| Cisneros Adriana | Director | 2,380,961 | 139,286,219 $ | Aug 31, 2026 | indirect |
| Wisniewski Scott | President | 782,443 | 45,772,916 $ | Aug 17, 2026 | direct |
| Johnson Andrew Martin | CFO and CLO | 556,484 | 32,554,314 $ | Aug 17, 2026 | direct |
| Gupta Shanti B. | Chief Operating Officer | 462,980 | 27,084,330 $ | Sep 16, 2026 | direct |
| Turco Christopher Edward | EVP and Chief of Staff | 200,500 | 11,729,250 $ | Aug 17, 2026 | direct |
| Bernal Maya | Chief Accounting Officer | 132,449 | 7,748,267 $ | Aug 17, 2026 | direct |
| Yao Huiwen | Chief Technology Officer | 34,750 | 2,032,875 $ | Sep 16, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | Yao Huiwen | Chief Technology Officer | Sell | 40,000 | 58.93 | 2,357,200 |
| Sep 16, 2026 | Gupta Shanti B. | Chief Operating Officer | Sell | 12,000 | 58.89 | 706,680 |
| Aug 31, 2026 | Cisneros Adriana | Director | Buy | 670 | 58.87 | 39,443 |
| Aug 31, 2026 | Cisneros Adriana | Director | Buy | 8,768 | 57.00 | 499,776 |
| Aug 31, 2026 | Cisneros Adriana | Director | Buy | 1,384 | 57.79 | 79,981 |
| Aug 19, 2026 | Yao Huiwen | Chief Technology Officer | Other | 40,000 | 0.0641 | 2,564 |
| Aug 17, 2026 | Avellan Abel Antonio | Chief Executive Officer | Other | 150,000 | 0.00 | – |
| Aug 17, 2026 | Bernal Maya | Chief Accounting Officer | Other | 20,000 | 0.00 | – |
| Aug 17, 2026 | Johnson Andrew Martin | CFO and CLO | Other | 75,000 | 0.00 | – |
| Aug 17, 2026 | Gupta Shanti B. | Chief Operating Officer | Other | 75,000 | 0.00 | – |
| Aug 17, 2026 | Wisniewski Scott | President | Other | 75,000 | 0.00 | – |
| Aug 17, 2026 | Turco Christopher Edward | EVP and Chief of Staff | Other | 200,000 | 0.00 | – |
| Aug 15, 2026 | Johnson Andrew Martin | CFO and CLO | Other | 12,297 | 70.98 | 872,841 |
| Aug 15, 2026 | Johnson Andrew Martin | CFO and CLO | Other | 9,838 | 70.98 | 698,301 |
| Aug 15, 2026 | Gupta Shanti B. | Chief Operating Officer | Other | 12,767 | 70.98 | 906,202 |
| Aug 15, 2026 | Bernal Maya | Chief Accounting Officer | Other | 2,919 | 70.98 | 207,191 |
| Aug 15, 2026 | Wisniewski Scott | President | Other | 12,297 | 70.98 | 872,841 |
| Aug 15, 2026 | Wisniewski Scott | President | Other | 9,838 | 70.98 | 698,301 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.