Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark C. Fuller 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 C. Fuller?
Mark C. Fuller is a corporate insider 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 C. Fuller last file a Form 4?
The only primary Form 4 on record is dated 3 September 2025.
Has Mark C. Fuller been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($560K) across all tracked filings.