William Fuller Matlack serves as Executive at KLONDEX MINES LTD, where they oversee executive responsibilities. Since joining the company, William Fuller Matlack has executed 14 insider transactions totaling $1.4M, demonstrating a bullish approach to their equity position. Their most recent transaction on Oct 21, 2025 involved exercising options for 100,000 shares valued at $59.0K.
William Fuller Matlack currently holds 900,005 shares of KLONDEX MINES LTD (KLDX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William Fuller Matlack has been a net buyer of KLDX stock. They have purchased $934.3K and sold $506.2K worth of shares.
William Fuller Matlack's most recent insider trade was on Oct 21, 2025, when they sold 100,000 shares at $0.59 per share.
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| $N/A |
| Discretionary |
| Aug 8, 2022 | TLRS | $12.4K | Sale | 65,500 | $0.19 | Discretionary |
| Aug 2, 2022 | TLRS | $9.7K | Sale | 51,000 | $0.19 | Discretionary |
| Jul 20, 2022 | TLRS | $9.9K | Sale | 62,000 | $0.16 | Discretionary |
| Sep 14, 2020 | TLRS | $248.1K | Purchase | 3,543,600 | $0.07 | Discretionary |
| Aug 31, 2020 | TLRS | $90.0K | Purchase | 818,181 | $0.11 | Discretionary |
| Oct 23, 2019 | TLRS | $570.0K | Purchase | 7,125,000 | $0.08 | Discretionary |
| Jul 20, 2018 | KLDX | $0 | Disposition | 1,222,488 | $N/A | Discretionary |
| Nov 14, 2017 | KLDX | $26.3K | Purchase | 12,000 | $2.19 | Discretionary |
| Feb 17, 2017 | KLDX | $29.4K | Sale | 5,000 | $5.89 | Discretionary |
| Feb 16, 2017 | KLDX | $29.5K | Sale | 5,000 | $5.90 | Discretionary |
| Feb 14, 2017 | KLDX | $275.7K | Sale | 48,200 | $5.72 | Discretionary |
| Feb 10, 2017 | KLDX | $139.5K | Sale | 24,600 | $5.67 | Discretionary |