| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Counted by filing, the last 12 months brought 1 open-market purchase by 1 insider worth about $101K and no sales. The 12 months before that brought 3 open-market purchases by 3 insiders worth about $85K and no sales.
The largest open-market purchase in the last two years was 63,400 shares by Katherine Bach Kalin (Director) at an average $1.59 on November 19, 2025, about $101K. Three months later SLS was up 141%.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 1.76M | $15.60M | - | |
| VP | 557.8K | $4.95M | - | |
| CFO | 554.3K | $4.92M | - | |
| Dir | 154.4K | $1.37M | - | |
| Dir | 92.9K | $824.0K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 19, 2025 | Katherine Bach Kalin | Director | Buy | 63,400 | $1.59 | $100,806.00 | +154.6% | +140.8% | - | |
| Jun 12, 2025 | Robert L Van Nostrand | Director | Buy | 10,000 | $1.48 | $14,800.00 | +96.2% | +13.9% | +374.5% | |
| May 30, 2025 | Jane Wasman | Director | Buy | 20,000 | $1.69 | $33,800.00 | +192.3% | +12.3% | +444.4% | |
| May 22, 2025 | Katherine Bach Kalin | Director | Buy | 20,000 | $1.80 | $36,000.00 | +95.2% | +5.1% | +342.0% | |
| Dec 5, 2022 | Angelos M. Stergiou | President and CEO | Sell | 6,494 | $2.61 | $16,938.30 | -3.9% | -37.7% | -57.5% | |
| Dec 5, 2022 | John Thomas Burns | Senior VP, Finance & CAO | Sell | 1,159 | $2.59 | $3,001.81 | -3.8% | -37.7% | -57.5% | |
| Dec 5, 2022 | Barbara A Wood | EVP, Gen. Counsel, Corp. Sec. | Sell | 2,153 | $2.59 | $5,576.27 | -3.7% | -37.7% | -57.5% | |
| Dec 2, 2021 | Angelos M. Stergiou | President and CEO | Sell | 2,120 | $6.25 | $13,251.91 | -1.7% | -5.0% | -58.6% | |
| Dec 2, 2021 | John Thomas Burns | VP, Finance & Corp Controller | Sell | 231 | $6.27 | $1,447.75 | -1.3% | -5.0% | -58.6% | |
| Dec 2, 2021 | Barbara A Wood | EVP, Gen. Counsel, Corp. Sec. | Sell | 847 | $6.25 | $5,297.73 | -2.0% | -5.0% | -58.6% |