AST SpaceMobile, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for AST SpaceMobile, Inc. (ASTS), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are ASTS insiders buying or selling?
In the last 12 months, AST SpaceMobile, Inc. insiders reported 5 open-market purchases ($806.4K) and 15 sales ($459.3M) — net selling of $458.5M. Since April 2021, Trabud has recorded 41 Form 4 filings for ASTS: 10 buys ($28.2M) and 31 sells ($473.0M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $619.2K by Adriana Cisneros (Director) on Sep 1, 2026. SEC ↗
- The most recent open-market purchase was reported on Sep 1, 2026 (47 days ago).
Key Statistics (April 2021 – Sep 17, 2026)
Total Form 4 filings
41
SEC EDGAR
Insider filers
11
Insider buys (10)
$28.2M
Insider sells (31)
$473.0M
Insider sentiment
Net sellingNet insider flow of $444.8M in net selling since April 2021, and $458.5M in net selling over the last 12 months. 1 insider buy in the last 90 days.
Recent ASTS insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 17, 2026 | Huiwen Yao | Chief Technology Officer | Sale | 40.0K | $58.93 | $2.4M | SEC ↗ |
| Sep 17, 2026 | Shanti B. Gupta | Chief Operating Officer | Sale | 12.0K | $58.89 | $706.7K | SEC ↗ |
| Sep 1, 2026 | Adriana Cisneros | Director | Purchase | 10.8K | $57.22 | $619.2K | SEC ↗ |
| Jun 12, 2026 | Andrew Martin Johnson | CFO and CLO | Sale | 45.8K | $93.81 | $4.3M | SEC ↗ |
| Jun 8, 2026 | Huiwen Yao | Chief Technology Officer | Sale | 40.0K | $96.37 | $3.9M | SEC ↗ |
| May 27, 2026 | Scott Wisniewski | President | Sale | 25.9K | $126.64 | $3.3M | SEC ↗ |
| May 21, 2026 | Andrew Martin Johnson | CFO and CLO | Sale | 5.0K | $90.25 | $451.3K | SEC ↗ |
| May 14, 2026 | Julio A. Torres | Director | Sale | 15.0K | $76.34 | $1.1M | SEC ↗ |
| Apr 17, 2026 | Mikitani Hiroshi | 10% Owner | Sale | 3.0M | $89.11 | $270.9M | SEC ↗ |
| Mar 24, 2026 | Huiwen Yao | Chief Technology Officer | Sale | 40.0K | $88.88 | $3.6M | SEC ↗ |
| Mar 19, 2026 | Scott Wisniewski | President | Sale | 47.0K | $94.75 | $4.5M | SEC ↗ |
| Dec 29, 2025 | Keith R Larson | Director | Purchase | 625 | $80.00 | $50.0K | SEC ↗ |
| Dec 17, 2025 | Keith R Larson | Director | Purchase | 715 | $70.02 | $50.1K | SEC ↗ |
| Dec 12, 2025 | Shanti B. Gupta | Chief Operating Officer | Sale | 10.0K | $77.34 | $773.4K | SEC ↗ |
| Dec 11, 2025 | AMERICAN TOWER CORP /MA | Other | Sale | 2.3M | $69.75 | $159.6M | SEC ↗ |
| Dec 10, 2025 | Keith R Larson | Director | Purchase | 675 | $72.71 | $49.1K | SEC ↗ |
| Dec 8, 2025 | Huiwen Yao | Chief Technology Officer | Sale | 40.0K | $73.52 | $2.9M | SEC ↗ |
| Dec 8, 2025 | Maya Bernal | Chief Accounting Officer | Sale | 6.0K | $73.76 | $442.6K | SEC ↗ |
| Nov 28, 2025 | Andrew Martin Johnson | CFO and CLO | Sale | 10.0K | $56.00 | $560.0K | SEC ↗ |
| Nov 24, 2025 | Adriana Cisneros | Director | Purchase | 750 | $50.79 | $38.1K | SEC ↗ |
| Sep 17, 2025 | Huiwen Yao | Chief Technology Officer | Sale | 40.0K | $40.58 | $1.6M | SEC ↗ |
| Sep 4, 2025 | Huiwen Yao | Chief Technology Officer | Sale | 16.0K | $48.04 | $768.6K | SEC ↗ |
| Aug 26, 2025 | Andrew Martin Johnson | CFO and CLO | Sale | 20.0K | $52.48 | $1.0M | SEC ↗ |
| Jun 16, 2025 | Shanti B. Gupta | Chief Operating Officer | Sale | 10.0K | $41.84 | $418.4K | SEC ↗ |
| Jun 10, 2025 | Shanti B. Gupta | Chief Operating Officer | Sale | 15.0K | $36.08 | $541.2K | SEC ↗ |
Showing the 25 most recent of 41 Form 4 filings for AST SpaceMobile, Inc..
Most active ASTS insiders
- Huiwen Yao9 filings
- Adriana Cisneros6 filings
- Scott Wisniewski6 filings
- Shanti B. Gupta6 filings
- Andrew Martin Johnson4 filings
Ask anything about ASTS insider activity
Use Trabud's AI agent to query AST SpaceMobile, Inc.'s Form 4 history in plain English — "Show me ASTS CEO purchases this year" or compare it against any other ticker.
Open the AI agentASTS insider trading FAQ
Are AST SpaceMobile, Inc. insiders buying or selling?
In the last 12 months, AST SpaceMobile, Inc. insiders reported 5 open-market purchases ($806.4K) and 15 sales ($459.3M) — net selling of $458.5M. Since April 2021, Trabud has recorded 41 Form 4 filings for ASTS: 10 buys ($28.2M) and 31 sells ($473.0M). Over the full record that is net selling of $444.8M.
How many insiders trade ASTS stock?
11 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for AST SpaceMobile, Inc.. The most recent filing was accepted on Sep 17, 2026.
Where does Trabud get ASTS insider trading data?
All ASTS insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.