Summary
Updated Aug 30, 2026
Chuang I. Lin is Director of RBB Bancorp (RBB). 4 SEC Form 4 filings on record going back to 2025, most recently on 27 May 2026. Most recent open-market trade: sold $242K of RBB on 8 May 2026. Lifetime open-market sales: $242K.
Recent Transactions
6Every recent SEC Form 4 transaction Chuang I. Lin 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 Chuang I. Lin 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.
- Gary Fan - $201K of RBB open-market activity in the last 12 months
- David Richard Morris - $154K of RBB open-market activity in the last 12 months
- Bill Bennett - $99K of RBB 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 Chuang I. Lin?
Chuang I. Lin is a corporate insider, tracked as Director of RBB Bancorp (RBB). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Chuang I. Lin last file a Form 4?
The most recent primary Form 4 on record is dated 27 May 2026, one of 4 filings going back to 2025.
Has Chuang I. Lin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($242K) across all tracked filings.
Where can I see all of Chuang I. Lin'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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