Summary
Latest filing:
Stephen P. Herbert is Chief Executive Officer, Chairman, and Director of Armada Acquisition Corp. III (AACIU). 2 SEC Form 4 filings on record going back to 2025, most recently on 18 March 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Stephen P. Herbert has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Stephen P. Herbert. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Douglas M. Lurio - of AACIU open-market activity on record
- Armada Sponsor II LLC - of AACIU open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Stephen P. Herbert?
Stephen P. Herbert is a corporate insider, tracked as Chief Executive Officer, Chairman, and Director of Armada Acquisition Corp. III (AACIU). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Stephen P. Herbert last file a Form 4?
The most recent primary Form 4 on record is dated 18 March 2026, one of 2 filings going back to 2025.
Has Stephen P. Herbert been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale across all tracked filings.
Where can I see all of Stephen P. Herbert'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.
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