Insiders who reported open-market trades in the last 12 months at the companies Robert Willis 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.
Geoffrey M. Parker - $106K in PRGO purchases and sales in the last 12 months
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Robert Willis is a corporate insider, tracked as EVP & CHRO of PERRIGO Co plc (PRGO). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Robert Willis last file a Form 4?
The most recent primary Form 4 on record is dated 10 July 2026, one of 6 filings going back to 2025.
Has Robert Willis been buying or selling stock?
Recorded transactions: 1 open-market purchase ($36K) and 0 open-market sales across all tracked filings.
Robert Willis is EVP & CHRO of PERRIGO Co plc (PRGO). 6 SEC Form 4 filings on record going back to 2025, most recently on 10 July 2026. Most recent open-market trade: bought $36K of PRGO on 22 August 2025. Lifetime open-market purchases: $36K.
Recent transactions
11
The latest 11 SEC Form 4 transactions reported by Robert Willis.
InsiderAlpha's records for Robert Willis go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $36K (1 buy totaling $36K). The largest single buy on record is $36K of PRGO in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
