William R. Mcdermott serves as Executive at Under Armour, Inc., where they oversee executive responsibilities. Since joining the company, William R. Mcdermott has executed 458 insider transactions totaling $93.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 9, 2026 involved receiving (via award) 57,930 shares valued at $0.
William R. Mcdermott currently holds 115,860 shares of Under Armour, Inc. (UARM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William R. Mcdermott has been a net seller of UARM stock. They have purchased $6.5M and sold $86.7M worth of shares.
William R. Mcdermott's most recent insider trade was on Feb 9, 2026, when they sold 57,930 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Nov 17, 2025 | NOW | $374.4K | Payment | 448 | $835.79 | Discretionary |
| Nov 17, 2025 | NOW | $0 | Option Exercise | 832 | $N/A | Discretionary |
| Nov 14, 2025 | NOW | $0 | Option Exercise | 1,255 | $N/A | Discretionary |
| Nov 14, 2025 | NOW | $574.0K | Payment | 675 | $850.43 | Discretionary |
| Nov 12, 2025 | NOW | $279.1K | Payment | 323 | $864.04 | Discretionary |
| Nov 12, 2025 | NOW | $0 | Option Exercise | 600 | $N/A | Discretionary |
| Nov 7, 2025 | NOW | $0 | Option Exercise | 1,753 | $N/A | Discretionary |
| Nov 7, 2025 | NOW | $812.7K | Payment | 943 | $861.87 | Discretionary |
| Aug 28, 2025 | NOW | $272.8K | Sale | 300 | $909.26 | Discretionary |
| Aug 28, 2025 | NOW | $260.6K | Sale | 287 | $908.05 | Discretionary |
| Aug 28, 2025 | NOW | $240.3K | Sale | 265 | $906.76 | Discretionary |
| Aug 28, 2025 | NOW | $271.6K | Sale | 300 | $905.22 | Discretionary |
| Aug 28, 2025 | NOW | $180.7K | Sale | 200 | $903.34 | Discretionary |
| Aug 28, 2025 | NOW | $360.9K | Sale | 400 | $902.29 | Discretionary |
| Aug 28, 2025 | NOW | $319.5K | Sale | 355 | $900.00 | Discretionary |
| Aug 28, 2025 | NOW | $456.4K | Sale | 489 | $933.35 | Discretionary |
| Aug 28, 2025 | NOW | $120.2K | Sale | 129 | $932.14 | Discretionary |
| Aug 28, 2025 | NOW | $128.5K | Sale | 138 | $931.19 | Discretionary |
| Aug 28, 2025 | NOW | $553.2K | Sale | 595 | $929.71 | Discretionary |
| Aug 28, 2025 | NOW | $578.6K | Sale | 623 | $928.69 | Discretionary |
| Aug 28, 2025 | NOW | $9.2K | Sale | 10 | $924.93 | Discretionary |
| Aug 28, 2025 | NOW | $175.3K | Sale | 190 | $922.82 | Discretionary |
| Aug 28, 2025 | NOW | $184.1K | Sale | 200 | $920.27 | Discretionary |
| Aug 28, 2025 | NOW | $250.7K | Sale | 273 | $918.20 | Discretionary |
| Aug 28, 2025 | NOW | $91.4K | Sale | 100 | $913.96 | Discretionary |
| Aug 28, 2025 | NOW | $122.3K | Sale | 134 | $912.86 | Discretionary |
| Aug 28, 2025 | NOW | $561.9K | Sale | 616 | $912.17 | Discretionary |
| Aug 28, 2025 | NOW | $201.2K | Sale | 221 | $910.46 | Discretionary |