Mark S. Demilio serves as Executive at MAGELLAN HEALTH SERVICES INC, where they oversee executive responsibilities. Since joining the company, Mark S. Demilio has executed 94 insider transactions totaling $29.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 14, 2026 involved selling 2,254 shares valued at $495.9K.
Mark S. Demilio currently holds 19,962 shares of MAGELLAN HEALTH SERVICES INC (MGLN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark S. Demilio has been a net seller of MGLN stock. They have purchased $750.8K and sold $29.0M worth of shares.
Mark S. Demilio's most recent insider trade was on Jan 14, 2026, when they sold 2,254 shares at $220.00 per share.
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| $220.10 |
| Discretionary |
| Sep 19, 2025 | RH | $472.3K | Sale | 2,000 | $236.13 | Discretionary |
| Sep 16, 2025 | RH | $760.8K | Payment | 3,298 | $230.70 | Discretionary |
| Sep 16, 2025 | RH | $760.8K | Option Exercise | 20,000 | $38.04 | Discretionary |
| Sep 19, 2024 | RH | $345.0K | Sale | 1,000 | $345.00 | Discretionary |
| Sep 18, 2024 | RH | $680.6K | Sale | 2,000 | $340.30 | Discretionary |
| Jun 27, 2024 | RH | $0 | Award | 547 | $N/A | Discretionary |
| Apr 11, 2024 | RH | $0 | Award | 4,000 | $N/A | Discretionary |
| Apr 9, 2024 | RH | $289.0K | Sale | 1,000 | $288.99 | Discretionary |
| Apr 2, 2024 | RH | $616.4K | Sale | 2,000 | $308.22 | Discretionary |
| Jun 29, 2023 | RH | $0 | Award | 423 | $N/A | Discretionary |
| Jun 27, 2023 | RH | $610.5K | Sale | 2,000 | $305.24 | Discretionary |
| Jun 6, 2023 | RH | $534.7K | Sale | 2,000 | $267.35 | Discretionary |
| Jan 10, 2023 | RH | $612.8K | Sale | 2,000 | $306.41 | Discretionary |
| Oct 12, 2022 | RH | $251.0K | Sale | 1,000 | $250.96 | Discretionary |
| Sep 19, 2022 | RH | $162.2K | Sale | 615 | $263.75 | Discretionary |
| Jul 15, 2022 | RH | $320.0K | Sale | 1,224 | $261.47 | Discretionary |
| Jun 30, 2022 | RH | $0 | Award | 511 | $N/A | Discretionary |
| Jul 15, 2021 | RH | $0 | Award | 180 | $N/A | Discretionary |
| Jul 22, 2020 | RH | $0 | Award | 456 | $N/A | Discretionary |
| Sep 6, 2019 | RH | $300.0K | Sale | 2,000 | $150.00 | Discretionary |
| Aug 21, 2019 | RH | $290.0K | Sale | 2,000 | $145.00 | Discretionary |
| Jul 24, 2019 | RH | $0 | Award | 1,002 | $N/A | Discretionary |
| Jul 18, 2018 | RH | $0 | Award | 915 | $N/A | Discretionary |
| Apr 2, 2018 | RH | $609.6K | Sale | 6,400 | $95.25 | Discretionary |
| Apr 2, 2018 | RH | $450.0K | Sale | 4,700 | $95.75 | Discretionary |
| Jun 27, 2017 | RH | $0 | Award | 2,233 | $N/A | Discretionary |
| Jun 22, 2016 | RH | $0 | Award | 4,731 | $N/A | Discretionary |
| May 18, 2016 | COSI | $25.0K | Award | 42,373 | $0.59 | Discretionary |