Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark S. Alarie 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.
- Jay O. Wright - $428K in CTM purchases and sales in the last 12 months
- Charles Thomas McMillen - $65K in CTM purchases and sales in the last 12 months
- Andrew Merriman - $36K in CTM purchases and sales in the last 12 months
- Glen R. Ives - $10K in CTM purchases and sales in the last 12 months
- David T. Bell - $1K in CTM purchases and sales in the last 12 months
- Tammy L. Martin - $1K in CTM purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Mark S. Alarie?
Mark S. Alarie is a corporate insider, tracked as Director of Castellum, Inc. (CTM). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mark S. Alarie last file a Form 4?
The only primary Form 4 on record is dated 13 November 2025.