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ASTS SEC Filing News — AST SpaceMobile, Inc.

Latest SEC filings for AST SpaceMobile, Inc. (ASTS) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
Form 8-K Material Company Update 2026-04-20

ASTS filed 8-K — material company event

AST SpaceMobile, Inc. filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
Form 4 Insider Selling 2026-04-16

ASTS insider Mikitani Hiroshi (10% Owner) sold 3,040,000 shares (~$270.90M)

Mikitani Hiroshi, listed as 10% Owner at AST SpaceMobile, Inc., reported an open-market sale of 3,040,000 ASTS shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Mikitani Hiroshi (10% Owner) Shares: 3,040,000 Est. Value: $270.90M
Form 4 Tax / Compensation Filing 2026-04-02

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Johnson Andrew Martin (Director, CFO and CLO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Johnson Andrew Martin (Director, CFO and CLO) Shares: 12,167
Form 4 Tax / Compensation Filing 2026-04-02

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Gupta Shanti B. (Chief Operating Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Gupta Shanti B. (Chief Operating Officer) Shares: 8,357
Form 4 Tax / Compensation Filing 2026-04-02

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Wisniewski Scott (President) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Wisniewski Scott (President) Shares: 15,241
Form 4 Tax / Compensation Filing 2026-04-02

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Avellan Abel Antonio (Director, Chief Executive Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Avellan Abel Antonio (Director, Chief Executive Officer) Shares: 22,490
Form 4 Tax / Compensation Filing 2026-03-26

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Johnson Andrew Martin (Director, CFO and CLO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Johnson Andrew Martin (Director, CFO and CLO) Shares: 100,000
Form 4 Tax / Compensation Filing 2026-03-26

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Wisniewski Scott (President) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Wisniewski Scott (President) Shares: 123,437
Form 4 Tax / Compensation Filing 2026-03-26

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Avellan Abel Antonio (Director, Chief Executive Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Avellan Abel Antonio (Director, Chief Executive Officer) Shares: 184,375
Form 4 Tax / Compensation Filing 2026-03-26

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Gupta Shanti B. (Chief Operating Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Gupta Shanti B. (Chief Operating Officer) Shares: 54,687
Form 4 Insider Selling 2026-03-24

ASTS insider Yao Huiwen (Chief Technology Officer) sold 40,000 shares (~$3.56M)

Yao Huiwen, listed as Chief Technology Officer at AST SpaceMobile, Inc., reported an open-market sale of 40,000 ASTS shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Yao Huiwen (Chief Technology Officer) Shares: 40,000 Est. Value: $3.56M
Form 4 Tax / Compensation Filing 2026-03-24

ASTS insider Form 4 filed for equity award, exercise, or tax withholding

Bernal Maya (Chief Accounting Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Bernal Maya (Chief Accounting Officer) Shares: 3,664
Form 144 Large Proposed Insider Sale 2026-03-23

ASTS Form 144 filed for proposed insider sale by Yao Huiwen (40,000 shares) ~$7.19M

Yao Huiwen filed a Form 144 with the SEC indicating intent to sell ASTS (AST SpaceMobile, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Yao Huiwen Shares: 40,000 Est. Value: $7.19M
Form 4 Insider Selling 2026-03-18

ASTS insider Wisniewski Scott (President) sold 47,000 shares (~$4.45M)

Wisniewski Scott, listed as President at AST SpaceMobile, Inc., reported an open-market sale of 47,000 ASTS shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Wisniewski Scott (President) Shares: 47,000 Est. Value: $4.45M
Form 144 Large Proposed Insider Sale 2026-03-17

ASTS Form 144 filed for proposed insider sale by Wisniewski Scott (47,000 shares) ~$8.91M

Wisniewski Scott filed a Form 144 with the SEC indicating intent to sell ASTS (AST SpaceMobile, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Wisniewski Scott Shares: 47,000 Est. Value: $8.91M
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