Summary
Updated Aug 31, 2026
Gerald R. Cysewski files SEC Form 4 reports at CYANOTECH CORP (CYAN). 1 SEC Form 4 filing on record, dated 29 July 2025.
Recent Transactions
2Every recent SEC Form 4 transaction Gerald R. Cysewski has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Gerald R. Cysewski go back to 2025: 1 primary Form 4 filing, an average of 0.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Gerald R. Cysewski. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Michael A. /. Davis - $11K of CYAN 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 Gerald R. Cysewski?
Gerald R. Cysewski is a corporate insider of CYANOTECH CORP (CYAN). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Gerald R. Cysewski last file a Form 4?
The only primary Form 4 on record is dated 29 July 2025.
Where can I see all of Gerald R. Cysewski'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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