Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| HYMC | Rhodes Blake | Director | 10/28/2026 | Kauf | 16.69 | 3,000 | 50,075 | Form 4 |
| HY | Batcheler Colleen | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Poor Vincent | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Bemowski James | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Taplin Britton T | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Corvi Carolyn | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Eliopoulos Edward T | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Jumper John P | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Labarre Dennis W | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | O'Hara Ann | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Gary Collar L | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Butler John C Jr | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Williams David B | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Rankin Claiborne R | Director | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Rankin Chloe O | Member of a Group | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Butler Helen Rankin | Member of a Group | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HY | Williams Clara R | Member of a Group | 10/01/2026 | Zuteilung | — | 1,149 | — | Form 4 |
| HYLN | Standley Greg | Chief Accounting Officer. | 09/30/2026 | Wandlung | — | 17,550 | — | Form 4 |
| HYLN | Standley Greg | Chief Accounting Officer. | 09/30/2026 | Wandlung | — | 16,633 | — | Form 4 |
| HYLN | Oxholm Jose Miguel | Chief Legal&Compliance Officer | 09/30/2026 | Wandlung | — | 71,341 | — | Form 4 |
| HYLN | Oxholm Jose Miguel | Chief Legal&Compliance Officer | 09/30/2026 | Wandlung | — | 52,392 | — | Form 4 |
| HYLN | Mook Joshua T. | Chief Technology Officer | 09/30/2026 | Wandlung | — | 71,341 | — | Form 4 |
| HYLN | Mook Joshua T. | Chief Technology Officer | 09/30/2026 | Wandlung | — | 55,981 | — | Form 4 |
| HYLN | Panzer Jon | Chief Financial Officer | 09/30/2026 | Wandlung | — | 75,457 | — | Form 4 |
| HYLN | Panzer Jon | Chief Financial Officer | 09/30/2026 | Wandlung | — | 59,210 | — | Form 4 |
| HYLN | Healy Thomas J. | Chief Executive Officer | 09/30/2026 | Wandlung | — | 222,256 | — | Form 4 |
| HYLN | Healy Thomas J. | Chief Executive Officer | 09/30/2026 | Wandlung | — | 202,033 | — | Form 4 |
| HYLN | Cubbage Vincent T. | Director | 09/30/2026 | Schenkung | — | 5,750 | — | Form 4 |
| HYNE | Wiemann Theodore C. | Director | 09/26/2026 | W | 16.64 | 50 | 832 | Form 4 |
| HYLN | Oxholm Jose Miguel | Chief Legal&Compliance Officer | 09/21/2026 | Schenkung | — | 50,000 | — | Form 4 |
| HYMC | Rhodes Blake | Director | 09/01/2026 | Zuteilung | — | 1,811 | — | Form 4 |
| HYMC | Rhodes Blake | Director | 09/01/2026 | Zuteilung | — | 2,257 | — | Form 4 |
| HYMC | Olmsted Josh F. | Director | 09/01/2026 | Zuteilung | — | 1,811 | — | Form 4 |
| HYMC | Olmsted Josh F. | Director | 09/01/2026 | Zuteilung | — | 2,257 | — | Form 4 |
| HYMC | Cheuiche Godoy Marcelo | Director | 09/01/2026 | Zuteilung | — | 1,811 | — | Form 4 |
| HYMC | Cheuiche Godoy Marcelo | Director | 09/01/2026 | Zuteilung | — | 2,257 | — | Form 4 |
| HYMC | Obrien Richard T | Director | 09/01/2026 | Zuteilung | — | 2,264 | — | Form 4 |
| HYMC | Obrien Richard T | Director | 09/01/2026 | Zuteilung | — | 2,257 | — | Form 4 |
| HYNE | Rosenbaum Steven F. | Director | 08/28/2026 | Kauf | 16.56 | 200 | 3,312 | Form 4 |
| HYMC | Jennings Rebecca | EVP & General Counsel | 08/27/2026 | Zuteilung | — | 9,226 | — | Form 4 |
| HYLN | Cubbage Vincent T. | Director | 08/27/2026 | Kauf | 3.40 | 50,000 | 170,000 | Form 4 |
| HYNE | Healy Walter F | President, CEO and Director | 08/25/2026 | Kauf | 16.59 | 1,500 | 24,885 | Form 4 |
| HYPR | Teisseyre Thomas | Chief Operating Officer | 08/24/2026 | Verkauf | 0.854 | 7,345 | 6,273 | Form 4 |
| HYPR | Hale Brett | CFO and CAO | 08/24/2026 | Verkauf | 0.854 | 7,345 | 6,273 | Form 4 |
| HYNE | Healy Walter F | President, CEO and Director | 08/24/2026 | Kauf | 16.36 | 48 | 785 | Form 4 |
| HYLN | Healy Thomas J. | Chief Executive Officer | 08/21/2026 | J | 3.33 | 29,840 | 99,367 | Form 4 |
| HYLN | Ramasamy Govindaraj | Chief Commercial Officer | 08/21/2026 | J | 3.37 | 6,670 | 22,478 | Form 4 |
| HYLN | Oxholm Jose Miguel | Chief Legal&Compliance Officer | 08/21/2026 | J | 3.33 | 11,980 | 39,893 | Form 4 |
| HYLN | Mook Joshua T. | Chief Technology Officer | 08/21/2026 | J | 3.33 | 10,700 | 35,631 | Form 4 |
| HYLN | Panzer Jon | Chief Financial Officer | 08/21/2026 | J | 3.32 | 13,595 | 45,135 | Form 4 |
| HYLN | Standley Greg | Chief Accounting Officer. | 08/19/2026 | J | 3.73 | 3,731 | 13,917 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).