ASTS insider buying and SEC filings, explained
AST SpaceMobile, Inc. · CIK 1780312
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$657K
Insiders who bought
1
Sold (not marked 10b5-1)
$175.7M
Planned sales (10b5-1)
$12.7M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 16, 2026 | Planned (10b5-1) | Huiwen Yao (Chief Technology Officer) sold 40,000 shares at about $58.93 ($2.4M), marked as a 10b5-1 plan trade. Holdings down 54% to 34,750 shares. | SEC filing Filed Sep 17, 2026 |
| Sep 16, 2026 | Sale | Shanti B. Gupta (President / COO) sold 12,000 shares at about $58.89 ($707K). Holdings down 3% to 462,980 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 17, 2026 |
| Aug 31, 2026 | Purchase (code P) | Adriana Cisneros (Director) bought 10,822 shares indirectly at about $57.22 ($619K), reported as a purchase (code P). Indirect holdings up 1% to 796,353 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 1, 2026 |
| Jun 11, 2026 | Sale | Andrew Martin Johnson (CFO and Director) sold 45,809 shares at about $93.81 ($4.3M). Holdings down 8% to 503,619 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 12, 2026 |
| Jun 5, 2026 | Planned (10b5-1) | Huiwen Yao (Chief Technology Officer) sold 40,000 shares at about $96.37 ($3.9M), marked as a 10b5-1 plan trade. Holdings down 54% to 34,750 shares. | SEC filing Filed Jun 8, 2026 |
| May 27, 2025 | Sale | Scott Wisniewski (President / COO) sold 25,904 shares at about $126.64 ($3.3M). Holdings down 3% to 745,973 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 27, 2026 |
| May 20, 2026 | Sale | Andrew Martin Johnson (CFO and Director) sold 5,000 shares at $90.25 ($451K). Holdings down 1% to 565,805 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 21, 2026 |
| May 13, 2026 | Sale | Julio A. Torres (Director) sold 15,000 shares at about $76.34 ($1.1M). Holdings down 26% to 43,239 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 14, 2026 |
| Mar 23, 2026 | Planned (10b5-1) | Huiwen Yao (Chief Technology Officer) sold 40,000 shares at about $88.88 ($3.6M), marked as a 10b5-1 plan trade. Holdings down 89% to 4,750 shares. | SEC filing Filed Mar 24, 2026 |
| Mar 17, 2025 | Sale | Scott Wisniewski (President / COO) sold 47,000 shares at about $94.75 ($4.5M). Holdings down 7% to 666,681 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 18, 2026 |
| Dec 24, 2025 | Purchase (code P) | Keith R. Larson (Director) bought 625 shares indirectly (by retirement or benefit plan) at $80.00 ($50K), reported as a purchase (code P). Holdings by retirement or benefit plan up 45% to 2,015 shares. | SEC filing Filed Dec 29, 2025 |
| Dec 17, 2025 | Purchase (code P) | Keith R. Larson (Director) bought 715 shares indirectly (by retirement or benefit plan) at $70.02 ($50K), reported as a purchase (code P). Holdings by retirement or benefit plan up 106% to 1,390 shares. | SEC filing Filed Dec 17, 2025 |
| Dec 10, 2025 | Sale | Shanti B. Gupta (President / COO) sold 10,000 shares at $77.34 ($773K). Holdings down 3% to 382,375 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 12, 2025 |
| Dec 9, 2025 | Sale | AMERICAN TOWER CORP /MA/ (Member of 10% owner group) sold 2,288,621 shares indirectly at $69.75 ($159.6M). Indirect holdings down 92% to 211,379 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 11, 2025 |
| Dec 10, 2025 | Purchase (code P) | Keith R. Larson (Director) bought 675 shares indirectly (by retirement or benefit plan) at about $72.71 ($49K), reported as a purchase (code P). New position of 675 shares. | SEC filing Filed Dec 10, 2025 |
| Dec 5, 2025 | Planned (10b5-1) | Huiwen Yao (Chief Technology Officer) sold 40,000 shares at about $73.52 ($2.9M), marked as a 10b5-1 plan trade. Holdings down 89% to 4,750 shares. | SEC filing Filed Dec 8, 2025 |
| Dec 5, 2025 | Sale | Maya Bernal (Chief Accounting Officer) sold 6,000 shares at $73.76 ($443K). Holdings down 5% to 122,486 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 8, 2025 |
| Nov 26, 2025 | Sale | Andrew Martin Johnson (CFO) sold 10,000 shares at $56.00 ($560K). Holdings down 3% to 387,485 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 28, 2025 |
| Nov 20, 2025 | Purchase (code P) | Adriana Cisneros (Director) bought 750 shares indirectly at $50.79 ($38K), reported as a purchase (code P). Indirect holdings up <1% to 784,077 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 24, 2025 |
48 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
Follow ASTS in the Insider Ledger app
Get the appA plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.