Insiders who reported open-market trades in the last 12 months at the companies Michael Weening 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.
Carl Russo - $31.90M in CALX purchases and sales in the last 12 months
Michael Weening is a corporate insider, tracked as President & CEO, Director of CALIX, INC (CALX). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Michael Weening last file a Form 4?
The most recent primary Form 4 on record is dated 17 February 2026, one of 8 filings going back to 2025.
Has Michael Weening been buying or selling stock?
Recorded transactions: 0 open-market purchases and 12 open-market sales ($53.34M) across all tracked filings.
Michael Weening is President & CEO, Director of CALIX, INC (CALX). 8 SEC Form 4 filings on record going back to 2025, most recently on 17 February 2026. Most recent open-market trade: sold $4.99M of CALX on 3 November 2025. Lifetime open-market sales: $53.34M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Michael Weening.
InsiderAlpha's records for Michael Weening go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. 7 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
