William Andrew Macan serves as Executive at U.S. SILICA HOLDINGS, INC., where they oversee executive responsibilities. Since joining the company, William Andrew Macan has executed 39 insider transactions totaling $1.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 30, 2025 involved receiving (via award) 164,361 shares valued at $0.
William Andrew Macan currently holds 691,166 shares of U.S. SILICA HOLDINGS, INC. (SLCA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William Andrew Macan has been a net seller of SLCA stock. They have purchased $10.0K and sold $1.1M worth of shares.
William Andrew Macan's most recent insider trade was on Dec 30, 2025, when they sold 164,361 shares at $0.00 per share.
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| $2.94 |
| Discretionary |
| Feb 29, 2024 | STIM | $0 | Award | 15,000 | $N/A | Discretionary |
| Feb 28, 2024 | STIM | $70.7K | Sale | 22,377 | $3.16 | Discretionary |
| Feb 14, 2024 | STIM | $52.8K | Sale | 15,621 | $3.38 | Discretionary |
| Feb 6, 2024 | STIM | $18.3K | Sale | 5,385 | $3.39 | Discretionary |
| Feb 5, 2024 | STIM | $0 | Award | 90,000 | $N/A | Discretionary |
| Dec 21, 2023 | STIM | $29.4K | Sale | 11,663 | $2.52 | Planned |
| Dec 20, 2023 | STIM | $31.5K | Sale | 11,664 | $2.70 | Planned |
| Dec 19, 2023 | STIM | $26.1K | Sale | 11,664 | $2.24 | Planned |
| Oct 6, 2023 | STIM | $1.7K | Sale | 1,469 | $1.16 | Discretionary |
| Jul 11, 2023 | STIM | $5.6K | Sale | 2,645 | $2.13 | Discretionary |
| Mar 7, 2023 | STIM | $58.3K | Sale | 12,692 | $4.59 | Discretionary |
| Feb 16, 2023 | STIM | $65.3K | Sale | 11,044 | $5.91 | Discretionary |
| Feb 15, 2023 | STIM | $70.6K | Sale | 11,974 | $5.90 | Discretionary |
| Feb 8, 2023 | STIM | $0 | Award | 90,000 | $N/A | Discretionary |
| Feb 7, 2023 | STIM | $30.9K | Sale | 5,162 | $5.99 | Discretionary |
| Jan 23, 2023 | STIM | $95.6K | Sale | 16,046 | $5.96 | Discretionary |
| Oct 10, 2022 | STIM | $214 | Sale | 76 | $2.82 | Discretionary |
| Oct 7, 2022 | STIM | $4.5K | Sale | 1,547 | $2.93 | Discretionary |
| Jul 8, 2022 | STIM | $9.9K | Sale | 2,746 | $3.60 | Discretionary |
| Mar 8, 2022 | STIM | $430 | Sale | 137 | $3.14 | Discretionary |
| Mar 7, 2022 | STIM | $32.7K | Sale | 11,489 | $2.85 | Discretionary |
| Feb 9, 2022 | STIM | $0 | Award | 166,562 | $N/A | Discretionary |
| Feb 8, 2022 | STIM | $49 | Sale | 15 | $3.27 | Discretionary |
| Feb 7, 2022 | STIM | $15.4K | Sale | 4,716 | $3.26 | Discretionary |
| Jan 24, 2022 | STIM | $40.7K | Sale | 11,562 | $3.52 | Discretionary |
| Oct 4, 2021 | STIM | $0 | Award | 10,000 | $N/A | Discretionary |
| Jul 8, 2021 | STIM | $37.9K | Sale | 2,591 | $14.61 | Discretionary |
| Mar 9, 2021 | STIM | $125.1K | Sale | 8,537 | $14.65 | Discretionary |