Robert J. Lipstein holds the role of Director at Quest Resource Holding Corp (QRHC). Lipstein's filing history also covers AppTech Payments Corp. (APCX) and SEACOAST BANKING CORP OF FLORIDA (SBCF). Lipstein has reported 9 insider filings with the SEC since 2024. The most recent filing was in July 2026.
Every role Robert J. Lipstein has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Quest Resource Holding Corp (QRHC)4 filingsSEACOAST BANKING CORP OF FLORIDA (SBCF)1 filingUpdated Aug 31, 2026
Robert J. Lipstein is Director of Quest Resource Holding Corp (QRHC). 12 SEC Form 4 filings on record going back to 2024, most recently on 17 August 2026. Most recent open-market trade: bought $2K of APCX on 27 May 2026. Lifetime open-market purchases: $71K. Historical track record: 1/5 stars across 5 tracked purchases.
Every recent SEC Form 4 transaction Robert J. Lipstein has reported, most recent first.
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 |
|---|---|
| InsiderAlpha rating | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 5 |
| Purchases with forward-return data | 5 |
| 30-day win rate | 20% |
| 90-day win rate | 80% |
| Avg 5-day return | +9.26% |
| Avg 30-day return | +3.87% |
| Avg 90-day return | +12.70% |
| Best 30-day return |
InsiderAlpha's records for Robert J. Lipstein go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $14K (5 buys totaling $71K). The largest single buy on record is $29K of APCX in 2026. 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.
Insiders who reported open-market trades in the last 12 months at the companies Robert J. Lipstein 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.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Robert J. Lipstein is a corporate insider, tracked as Director of Quest Resource Holding Corp (QRHC). InsiderAlpha holds 12 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
5 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 5 open-market purchases ($71K) and 0 open-market sales across all tracked filings.
Across 5 tracked purchases, Robert J. Lipstein averaged +3.9% avg 30-day return with a 20% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$SBCF SEACOAST BANKING CORP OF FLORIDA2.0K shares @ $34.74$70K
| +34.09% |