| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Brett McBrayer | Chief Executive Officer | 2025-12-01 | 19,000 | $2.58 | $48.94kBuy |
| Darrell L. McNair | Director | 2025-11-19 | 3,000 | $2.52 | $7.56kBuy |
| Berkman Investment Co Louis | 10% Owner | 2025-11-17 | 93,000 | $2.67 | $248.31kBuy |
| Michael I. German | Director | 2025-11-17 | 40,000 | $2.65 | $106.00kBuy |
| Darrell L. McNair | Director | 2025-11-17 | 10,000 | $2.68 | $26.80kBuy |
| Samuel Lyon | President of Union Electric | 2025-05-15 | 3,375 | $2.26 | $7.63kSell |
| David George Anderson | President Air Liquid Systms | 2025-05-15 | 942 | $2.26 | $2.13kSell |
| David George Anderson | President Air Liquid Systms | 2025-05-15 | 1,496 | $2.26 | $3.38kSell |
| Michael G. McAuley | Senior V.P. CFO Treasurer | 2025-05-15 | 2,052 | $2.26 | $4.64kSell |
| Michael G. McAuley | Senior V.P. CFO Treasurer | 2025-05-15 | 2,278 | $2.26 | $5.15kSell |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Berkman Investment Co Louis | 15.39% | 3,127,792 | $11.35M | Insider |
| Louis Berkman | 12.69% | 2,578,842 | $9.36M | Insider |
| Gamco Investors Inc Et Al 1 | 11.73% | 2,384,210 | $8.65M | Institution |
| Frederick D. Disanto | 11.12% | 2,259,400 | $8.20M | Insider |
| Altor II Aggregator Topco Ltd | 8.74% | 1,776,604 | $6.45M | Insider |
| Gabelli Funds LLC | 6.79% | 1,380,800 | $5.01M | Institution |
| Ameriprise Financial Inc | 5.67% | 1,151,665 | $4.18M | Institution |
| Irrevocable Trust Of Laura W. Van Loan For The Benefit Of Mary M. Crawford 2006 | 4.85% | 986,444 | $3.58M | Insider |
| Ancora Advisors LLC | 4.68% | 951,318 | $3.45M | Institution |
| Vanguard Group Inc | 3.28% | 667,704 | $2.42M | Institution |