Mark D. Griffin
Known title: President, Telos IDCIK: 0001357717
Mark D. Griffin's purchase track record
How the stock did after each of Mark D. Griffin's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
3
of 3 since May 16, 2023
Stock higher 6 months later
100%
3 months: 33%
Median 6-month return
+41.5%
3 months: -12.5%
Beat the S&P 500
100%
median +26.6% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 8/12/2024 | TLS | $26K | +61.7% | +29.1% | +13.5% |
| 5/13/2024 | TLS | $19K | -12.5% | +41.5% | +14.9% |
| 5/16/2023 | TLS | $28K | -27.2% | +44.6% | +9.4% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| TLS | ▲ Buy | Grant | 106,763 | $0 | 5/26/2026 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 77,097 | $324K | 5/16/2026 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 51,286 | $219K | 3/19/2026 | View on chart |
| TLS | ▲ Buy | Grant | 113,716 | $0 | 3/18/2026 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 172,756 | $955K | 2/2/2026 | View on chart |
| TLS | ▲ Buy | Grant | 379,920 | $0 | 2/2/2026 | View on chart |
| TLS | ▲ Buy | Grant | 90,189 | $0 | 10/20/2025 | View on chart |
| TLS | ▲ Buy | Option Exercise | 191,417 | — | 10/20/2025 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 127,006 | $902K | 10/20/2025 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 30,507 | $95K | 7/1/2025 | View on chart |
| TLS | ▲ Buy | Grant | 67,642 | $211K | 7/1/2025 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 77,097 | $209K | 5/16/2025 | View on chart |
| TLS | ▲ Buy | Grant | 45,094 | $112K | 4/14/2025 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 21,617 | $54K | 4/14/2025 | View on chart |
| TLS | ▲ Buy | Open Market | 10,000 | $26K | 8/12/2024 | View on chart |
| TLS | ▲ Buy | Grant | 341,892 | $0 | 5/16/2024 | View on chart |
| TLS | ▲ Buy | Open Market | 6,150 | $19K | 5/13/2024 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 6,227 | $25K | 1/19/2024 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 98,838 | $420K | 12/1/2023 | View on chart |
| TLS | ▲ Buy | Open Market | 10,000 | $28K | 5/16/2023 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 121,448 | $591K | 1/20/2023 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 94,294 | $404K | 12/1/2022 | View on chart |
| TLS | ▲ Buy | Grant | 428,228 | $0 | 3/21/2022 | View on chart |
| TLS | ▼ Sell | Tax Withholding | 139,468 | $1.8M | 1/21/2022 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 26, 2026
No specific Telos Corporation news found in recent feed
The recent news items provided do not contain specific information regarding Telos Corporation. The headlines focus on TD SYNNEX earnings and general tax changes, which are not directly related to TLS. Consequently, this entry cannot provide specific news-driven context for the stock's recent movement.
No specific Telos Corporation news found in recent feed. The recent news items provided do not contain specific information regarding Telos Corporation. The headlines focus on TD SYNNEX earnings and general tax changes, which are not directly related to TLS. Consequently, this entry cannot provide specific news-driven context for the stock's recent movement.