Summary
Updated Aug 31, 2026
Douglas Michael Polinsky is Chief Executive Officer of SUI Group Holdings Ltd. (SUIG). 3 SEC Form 4 filings on record going back to 2024, most recently on 31 July 2025. Most recent open-market trade: bought $7K of SUIG on 11 December 2024. Lifetime open-market purchases: $30K.
Recent Transactions
5Every recent SEC Form 4 transaction Douglas Michael Polinsky has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| Total purchases tracked | 5 |
Trading Pattern
InsiderAlpha's records for Douglas Michael Polinsky go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $6K (5 buys totaling $30K). The largest single buy on record is $19K of SUIG in 2024. 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 Douglas Michael Polinsky. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Laurence S. Zipkin - $12K of SUIG 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 Douglas Michael Polinsky?
Douglas Michael Polinsky is a corporate insider, tracked as Chief Executive Officer of SUI Group Holdings Ltd. (SUIG). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Douglas Michael Polinsky last file a Form 4?
The most recent primary Form 4 on record is dated 31 July 2025, one of 3 filings going back to 2024.
Has Douglas Michael Polinsky been buying or selling stock?
Recorded transactions: 5 open-market purchases ($30K) and 0 open-market sales across all tracked filings.
How accurate is Douglas Michael Polinsky's historical track record?
Across 5 tracked purchases, Douglas Michael Polinsky averaged no 30-day data yet with a win rate pending.
Where can I see all of Douglas Michael Polinsky'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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