Summary
Latest filing:
Michael B. High files SEC Form 4 reports at CoastalSouth Bancshares, Inc. (COSO). 2 SEC Form 4 filings on record, most recently on 13 February 2026. Most recent open-market trade: bought $38K of COSO on 12 February 2026. Lifetime open-market purchases: $38K.
Recent Transactions
1Every recent SEC Form 4 transaction Michael B. High 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 Michael B. High 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.
- Ernst W. Bruderer - $165K of COSO open-market activity in the last 12 months
- Anthony P. Valduga - $118K of COSO open-market activity in the last 12 months
- James S. Macleod - $9K of COSO open-market activity in the last 12 months
- Stephen R. Stone - $5K of COSO 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 Michael B. High?
Michael B. High is a corporate insider of CoastalSouth Bancshares, Inc. (COSO). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Michael B. High last file a Form 4?
The most recent primary Form 4 on record is dated 13 February 2026, one of 2 filings going back to 2026.
Has Michael B. High been buying or selling stock?
Recorded transactions: 1 open-market purchase ($38K) and 0 open-market sales across all tracked filings.
Where can I see all of Michael B. High'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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