Insiders who reported open-market trades in the last 12 months at the companies Kristopher R. Westbrooks 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.
Michael S. Williams - $1.84M in MTUS purchases and sales in the last 12 months
Kristopher R. Westbrooks is a corporate insider, tracked as President & COO of Metallus Inc. (MTUS). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Kristopher R. Westbrooks last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 7 filings going back to 2025.
Has Kristopher R. Westbrooks been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($465K) across all tracked filings.
Kristopher R. Westbrooks is President & COO of Metallus Inc. (MTUS). 7 SEC Form 4 filings on record going back to 2025, most recently on 3 March 2026. Most recent open-market trade: sold $45K of MTUS on 5 February 2026. Lifetime open-market sales: $465K.
Recent transactions
15
The latest 15 SEC Form 4 transactions reported by Kristopher R. Westbrooks.
InsiderAlpha's records for Kristopher R. Westbrooks go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. 14 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.
