Summary
Updated Aug 30, 2026
Hiroshi Mikitani is 10% Owner of AST SpaceMobile, Inc. (ASTS). 2 SEC Form 4 filings on record going back to 2024, most recently on 17 April 2026. Most recent open-market trade: sold $116.40M of ASTS on 17 April 2026. Lifetime open-market sales: $270.90M.
Recent Transactions
3Every recent SEC Form 4 transaction Hiroshi Mikitani has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Hiroshi Mikitani files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- AMERICAN TOWER CORP - $159.63M of ASTS open-market activity in the last 12 months
- Huiwen Yao - $12.74M of ASTS open-market activity in the last 12 months
- Scott Wisniewski - $7.73M of ASTS open-market activity in the last 12 months
- Andrew Martin Johnson - $5.31M of ASTS open-market activity in the last 12 months
- Julio A. Torres - $1.15M of ASTS open-market activity in the last 12 months
- Shanti B. Gupta - $773K of ASTS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Hiroshi Mikitani?
Hiroshi Mikitani is a corporate insider, tracked as 10% Owner of AST SpaceMobile, Inc. (ASTS). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Hiroshi Mikitani last file a Form 4?
The most recent primary Form 4 on record is dated 17 April 2026, one of 2 filings going back to 2024.
Has Hiroshi Mikitani been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($270.90M) across all tracked filings.
Where can I see all of Hiroshi Mikitani's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Follow Hiroshi Mikitani and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
