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 - $51.95M in SMMT purchases and sales in the last 12 months
Yu Xia - $10.00M in SMMT purchases and sales in the last 12 months
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.
When did Robert W. Duggan last file a Form 4?
The most recent primary Form 4 on record is dated 16 June 2026, one of 15 filings going back to 2024.
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.
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.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Robert W. Duggan.
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 recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
