Mark D. Griffin
EVP, Security Solutions · TELOS CORP
Individual
- 2025
- May 27, 2026
- 6
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark D. Griffin 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.
- Gary Mark Bendza - $3.22M in TLS purchases and sales in the last 12 months
- John B. Wood - $2.06M in TLS purchases and sales in the last 12 months
- Fredrick Schaufeld - $1.81M in TLS purchases and sales in the last 12 months
- Edward Hutchinson Robbins Jr. - $703K in TLS purchases and sales in the last 12 months
- Derrick D. Dockery - $261K in TLS purchases and sales in the last 12 months
- Bradley W. Jacobs - $240K in TLS purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark D. Griffin?
Mark D. Griffin is a corporate insider, tracked as EVP, Security Solutions of TELOS CORP (TLS). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mark D. Griffin last file a Form 4?
The most recent primary Form 4 on record is dated 27 May 2026, one of 6 filings going back to 2025.
