Hyliion Holdings's three largest insider shareholders as of April 28, 2026 are Thomas J. Healy (Chief Executive Officer, 35.34Mn shares), Joshua T. Mook (Chief Technology Officer, 1.11Mn shares), Vincent T. Cubbage (Director, 1.09Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Thomas J. Healy | Chief Executive Officer | 35,340,288 | 0 | 04 Mar, 2026 |
| Joshua T. Mook | Chief Technology Officer | 1,114,109 | 0 | 04 Mar, 2026 |
| Vincent T. Cubbage | - | 1,092,863 | 0 | 13 Feb, 2026 |
| Jon Panzer | Chief Financial Officer | 957,140 | 0 | 04 Mar, 2026 |
| Edward E Olkkola | - | 863,045 | 0 | 28 Feb, 2022 |
| Jose Miguel Oxholm | Chief Legalcompliance Officer | 823,370 | 0 | 04 Mar, 2026 |
| Cheri Lantz | Chief Strategy Officer | 730,204 | 0 | 04 Mar, 2026 |
| Govindaraj Ramasamy | Chief Commercial Officer | 607,105 | 0 | 10 Mar, 2026 |
| Dennis M. Gallagher | Chief Operating Officer | 476,575 | 0 | 18 Dec, 2023 |
| Jeffrey A Craig | - | 402,845 | 0 | 13 Feb, 2026 |
| Patrick Sexton | Chief Technology Officer | 364,499 | 0 | 26 Apr, 2022 |
| Richard Joseph Freeland | - | 283,774 | 0 | 13 Feb, 2026 |
| Greg Standley | Chief Accounting Officer. | 261,280 | 0 | 04 Mar, 2026 |
| Mary Gustanski | - | 256,379 | 0 | 13 Feb, 2026 |
| Sherri Baker | Chief Financial Officer | 236,985 | 0 | 28 Feb, 2022 |
| Melanie Montague Trent | - | 218,774 | 0 | 13 Feb, 2026 |
| Rodger L Boehm | - | 218,474 | 0 | 13 Feb, 2026 |
| Edward E Olkkola | - | 0 | 172,660 | 09 Dec, 2021 |
| Stephen S. Pang | - | 130,009 | 0 | 15 Mar, 2023 |
| Andrew H Jr Card | - | 101,435 | 0 | 15 Nov, 2023 |
| Elaine L. Chao | - | 57,606 | 0 | 15 Mar, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 10 Mar, 2026 | Govindaraj Ramasamy | Common Stock | D | 130 | $2.02 | 607,105 | D | J |
| 03 Mar, 2026 | Jose Miguel Oxholm | Common Stock | D | 24,900 | $2.04 | 823,370 | D | J |
| 03 Mar, 2026 | Govindaraj Ramasamy | Common Stock | D | 12,758 | $2.04 | 607,235 | D | J |
| 03 Mar, 2026 | Cheri Lantz | Common Stock | D | 16,700 | $2.04 | 730,204 | D | J |
| 03 Mar, 2026 | Jon Panzer | Common Stock | D | 16,820 | $2.04 | 957,140 | D | J |
| 03 Mar, 2026 | Greg Standley | Common Stock | D | 7,411 | $2.04 | 261,280 | D | J |
| 03 Mar, 2026 | Thomas J. Healy | Common Stock | D | 58,202 | $2.05 | 35,340,288 | D | J |
| 03 Mar, 2026 | Joshua T. Mook | Common Stock | D | 14,816 | $2.04 | 1,114,109 | D | J |
| 11 Feb, 2026 | Mary Gustanski | Common Stock | A | 60,976 | $2.05 | 256,379 | D | A |
| 11 Feb, 2026 | Richard Joseph Freeland | Common Stock | A | 60,976 | $2.05 | 283,774 | D | A |
| 11 Feb, 2026 | Melanie Montague Trent | Common Stock | A | 60,976 | $2.05 | 218,774 | D | A |
| 11 Feb, 2026 | Thomas J. Healy | Common Stock | A | 296,342 | $2.05 | 35,398,490 | D | A |
| 11 Feb, 2026 | Greg Standley | Common Stock | A | 46,803 | $2.05 | 268,691 | D | A |
| 11 Feb, 2026 | Jose Miguel Oxholm | Common Stock | A | 95,122 | $2.05 | 848,270 | D | A |
| 11 Feb, 2026 | Jeffrey A Craig | Common Stock | A | 60,976 | $2.05 | 402,845 | D | A |
| 11 Feb, 2026 | Joshua T. Mook | Common Stock | A | 95,122 | $2.05 | 1,128,925 | D | A |
| 11 Feb, 2026 | Jon Panzer | Common Stock | A | 100,610 | $2.05 | 973,960 | D | A |
| 11 Feb, 2026 | Vincent T. Cubbage | Common Stock | A | 60,976 | $2.05 | 1,092,863 | D | A |
| 11 Feb, 2026 | Govindaraj Ramasamy | Common Stock | A | 80,488 | $2.05 | 619,993 | D | A |
| 11 Feb, 2026 | Rodger L Boehm | Common Stock | A | 60,676 | $2.05 | 218,474 | D | A |