Summary
Updated Aug 31, 2026
Robert W. Duggan is Director, 10% Owner of PULSE BIOSCIENCES, INC. (PLSE). 15 SEC Form 4 filings on record going back to 2024, most recently on 16 June 2026. Most recent open-market trade: bought $49.99M of SMMT on 12 June 2026. Lifetime open-market purchases: $88.47M. Historical track record: 4/5 stars across 11 tracked purchases.
Recent Transactions
20Every recent SEC Form 4 transaction Robert W. Duggan 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 | 11 |
| Purchases with forward-return data | 11 |
| 30-day win rate | 73% |
| 90-day win rate | 18% |
| Avg 5-day return | +13.14% |
| Avg 30-day return | +10.86% |
| Avg 90-day return | +17.60% |
| Best 30-day return | +30.97% |
Trading Pattern
InsiderAlpha's records for Robert W. Duggan go back to 2024: 15 primary Form 4 filings, an average of 5.0 per year. The typical open-market purchase is $6.81M (13 buys totaling $88.47M). The largest single buy on record is $49.99M of SMMT 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 W. Duggan 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.
- Mahkam Zanganeh - $57.93M of SMMT open-market activity in the last 12 months
- Yu Xia - $10.00M of SMMT open-market activity in the last 12 months
- Kevin Patrick Danahy - $3.39M of PLSE open-market activity in the last 12 months
- Darrin Uecker - $1.85M of PLSE open-market activity in the last 12 months
- Manmeet Singh Soni - $722K of SMMT open-market activity in the last 12 months
- Paul A. Laviolette - $591K of PLSE 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 W. Duggan?
Robert W. Duggan is a corporate insider, tracked as Director, 10% Owner of PULSE BIOSCIENCES, INC. (PLSE). InsiderAlpha holds 15 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 W. Duggan submitted recently?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Robert W. Duggan been buying or selling stock?
Recorded transactions: 13 open-market purchases ($88.47M) and 0 open-market sales across all tracked filings.
How accurate is Robert W. Duggan's historical track record?
Across 11 tracked purchases, Robert W. Duggan averaged +10.9% avg 30-day return with a 73% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
Where can I see all of Robert W. Duggan'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 W. Duggan 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