ASTS AST SpaceMobile, Inc.
AST SpaceMobile, Inc. (ASTS) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 3% planned / 97% discretionary
Largest single sale: $159.6M.
Where they traded
Last open-market purchase: August 31, 2026 , by Cisneros Adriana .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Cisneros Adriana 3 fills | Director | Buy | 10,822 | $57.22 | $619.2K | 797,023 | |
| Johnson Andrew Martin | CFO and CLO | Sell | 45,809 | $93.81 | $4.3M | 503,619 −8.3% of holding | |
| Yao Huiwen | Chief Technology Officer | Sell 10b5-1 | 40,000 | $96.37 | $3.9M | 34,750 −53.5% of holding | |
| Johnson Andrew Martin | CFO and CLO | Sell | 5,000 | $90.25 | $451.3K | 565,805 −0.9% of holding | |
| Torres Julio A. | Director | Sell | 15,000 | $76.34 | $1.1M | 43,239 −25.8% of holding | |
| Sell | 1,350,000 | $86.22 | $116.4M | 27,980,155 −4.6% of holding | |||
| Sell | 1,690,000 | $91.42 | $154.5M | 29,330,155 −5.4% of holding | |||
| Yao Huiwen | Chief Technology Officer | Sell 10b5-1 | 40,000 | $88.88 | $3.6M | 4,750 −89.4% of holding | |
| LARSON KEITH R | Director | Buy 10b5-1 | 625 | $80.00 | $50.0K | 2,015 | |
| LARSON KEITH R | Director | Buy 10b5-1 | 715 | $70.02 | $50.1K | 1,390 | |
| Gupta Shanti B. | Chief Operating Officer | Sell | 10,000 | $77.34 | $773.4K | 382,375 −2.5% of holding | |
| LARSON KEITH R | Director | Buy 10b5-1 | 675 | $72.71 | $49.1K | 675 | |
| AMERICAN TOWER CORP /MA/ | Other | Sell | 2,288,621 | $69.75 | $159.6M | 211,379 −91.5% of holding | |
| Yao Huiwen | Chief Technology Officer | Sell 10b5-1 | 40,000 | $73.52 | $2.9M | 4,750 −89.4% of holding | |
| Bernal Maya | Chief Accounting Officer | Sell | 6,000 | $73.76 | $442.6K | 122,486 −4.7% of holding | |
| Johnson Andrew Martin | CFO and CLO | Sell | 10,000 | $56.00 | $560.0K | 387,485 −2.5% of holding | |
| Cisneros Adriana 2 fills | Director | Buy | 750 | $50.79 | $38.1K | 784,077 | |
| Yao Huiwen | Chief Technology Officer | Sell 10b5-1 | 40,000 | $40.58 | $1.6M | 4,750 −89.4% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.