Summary
Updated Aug 31, 2026
Robert J. Dwyer is Director of MASTEC INC (MTZ). 16 SEC Form 4 filings on record going back to 2024, most recently on 18 August 2026. Most recent open-market trade: bought $5K of BMNM on 9 June 2026. Lifetime open-market purchases: $24K. Historical track record: 4/5 stars across 10 tracked purchases.
Recent Transactions
20Every recent SEC Form 4 transaction Robert J. Dwyer 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 |
|---|---|
| InsiderAlpha rating | ★★★★☆ (4/5) |
| Total purchases tracked | 10 |
| Purchases with forward-return data | 10 |
| 30-day win rate | 80% |
| 90-day win rate | 80% |
| Avg 5-day return | +3.44% |
| Avg 30-day return | +10.06% |
| Avg 90-day return | +19.65% |
| Best 30-day return | +22.35% |
Trading Pattern
InsiderAlpha's records for Robert J. Dwyer go back to 2024: 16 primary Form 4 filings, an average of 5.3 per year. The typical open-market purchase is $2K (10 buys totaling $24K). The largest single buy on record is $5K of BMNM 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Robert J. Dwyer 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 N. Csiszar - $4.37M of MTZ open-market activity in the last 12 months
- C. Robert Campbell - $2.24M of MTZ open-market activity in the last 12 months
- Robert E. Apple - $2.00M of MTZ open-market activity in the last 12 months
- Timothy Michael Love - $398K of MTZ open-market activity in the last 12 months
- Javier Alberto Palomarez - $309K of MTZ 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 Robert J. Dwyer?
Robert J. Dwyer is a corporate insider, tracked as Director of MASTEC INC (MTZ). InsiderAlpha holds 16 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Robert J. Dwyer submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Robert J. Dwyer been buying or selling stock?
Recorded transactions: 10 open-market purchases ($24K) and 0 open-market sales across all tracked filings.
How accurate is Robert J. Dwyer's historical track record?
Across 10 tracked purchases, Robert J. Dwyer averaged +10.1% avg 30-day return with a 80% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
Where can I see all of Robert J. Dwyer'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.
Learn More
Follow Robert J. Dwyer and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial