Mark D. Griffin serves as Executive at TELOS CORP, where they oversee executive responsibilities. Since joining the company, Mark D. Griffin has executed 21 insider transactions totaling $8.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Oct 20, 2025 involved exercising options for 191,417 shares valued at $0.
Mark D. Griffin currently holds 1,281,999 shares of TELOS CORP (TLSRP), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark D. Griffin has been a net seller of TLSRP stock. They have purchased $73.5K and sold $8.2M worth of shares.
Mark D. Griffin's most recent insider trade was on Oct 20, 2025, when they sold 191,417 shares at $0.00 per share.
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| $7.10 |
| Discretionary |
| Oct 20, 2025 | TLS | $0 | Award | 90,189 | $N/A | Discretionary |
| Jul 1, 2025 | TLS | $95.2K | Payment | 30,507 | $3.12 | Discretionary |
| Jul 1, 2025 | TLS | $211.0K | Award | 67,642 | $3.12 | Discretionary |
| Aug 12, 2024 | TLS | $26.3K | Purchase | 10,000 | $2.63 | Discretionary |
| May 16, 2024 | TLS | $0 | Award | 341,892 | $N/A | Discretionary |
| May 13, 2024 | TLS | $19.2K | Purchase | 6,150 | $3.13 | Discretionary |
| Jan 19, 2024 | TLS | $24.6K | Payment | 6,227 | $3.95 | Discretionary |
| Dec 1, 2023 | TLS | $420.1K | Payment | 98,838 | $4.25 | Discretionary |
| May 16, 2023 | TLS | $28.0K | Purchase | 10,000 | $2.80 | Discretionary |
| Jan 20, 2023 | TLS | $591.5K | Payment | 121,448 | $4.87 | Discretionary |
| Dec 1, 2022 | TLS | $403.6K | Payment | 94,294 | $4.28 | Discretionary |
| Mar 21, 2022 | TLS | $0 | Award | 428,228 | $N/A | Discretionary |
| Jan 21, 2022 | TLS | $1.8M | Payment | 139,468 | $12.72 | Discretionary |
| Apr 1, 2021 | TLS | $8.2M | Sale | 249,437 | $33.00 | Discretionary |
| Apr 1, 2021 | TLS | $0 | Award | 100,000 | $N/A | Discretionary |
| Jan 28, 2021 | TLS | $0 | Award | 650,000 | $N/A | Discretionary |
| Jan 28, 2021 | TLS | $0 | Award | 30,882 | $N/A | Discretionary |
| Jun 4, 2008 | TLSRP | $0 | Award | 112,625 | $N/A | Discretionary |
| Jun 4, 2008 | TLSRP | $0 | Award | 71,575 | $N/A | Discretionary |