
Tammy L. Martin
General Counsel and Secretary · Castellum, Inc.
- 2026
- Oct 1, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Tammy L. Martin 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
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Frequently asked questions
Who is Tammy L. Martin?
Tammy L. Martin is a corporate insider, tracked as General Counsel and Secretary of Castellum, Inc. (CTM). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Tammy L. Martin submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Tammy L. Martin been buying or selling stock?
Recorded transactions: 2 open-market purchases ($1K) and 0 open-market sales across all tracked filings.