Insiders who have reported open-market trades at the same companies as Charles Stroo. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Ryan D. Miller - $22K in TPIC purchases and sales on record
Charles Stroo is a corporate insider, tracked as Chief Operating Officer of TPI COMPOSITES, INC (TPIC). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Charles Stroo last file a Form 4?
The most recent primary Form 4 on record is dated 2 December 2025, one of 2 filings going back to 2024.
Charles Stroo is Chief Operating Officer of TPI COMPOSITES, INC (TPIC). 2 SEC Form 4 filings on record going back to 2024, most recently on 2 December 2025.
Recent transactions
4
The latest 4 SEC Form 4 transactions reported by Charles Stroo.
InsiderAlpha's records for Charles Stroo go back to 2024: 2 primary Form 4 filings, an average of 0.7 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
