14 insiders reported 113 Form 4 transactions for Hyliion Holdings Corp. (HYLN) over the past 18 months (most recent 2026-08-21). Recent activity: Oxholm Jose Miguel (Chief Legal&Compliance Officer) Sell 11,980 shares, Standley Greg (Chief Accounting Officer.) Sell 3,731 shares, Panzer Jon (Chief Financial Officer) Sell 13,595 shares, MOOK JOSHUA T. (Chief Technology Officer) Sell 10,700 shares, RAMASAMY GOVINDARAJ (Chief Commercial Officer) Sell 6,670 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | Oxholm Jose Miguel | Chief Legal&Compliance Officer | Sell | 11,980 | $39,893 |
| 2026-08-21 | Standley Greg | Chief Accounting Officer. | Sell | 3,731 | $13,917 |
| 2026-08-21 | Panzer Jon | Chief Financial Officer | Sell | 13,595 | $45,135 |
| 2026-08-21 | MOOK JOSHUA T. | Chief Technology Officer | Sell | 10,700 | $35,631 |
| 2026-08-21 | RAMASAMY GOVINDARAJ | Chief Commercial Officer | Sell | 6,670 | $22,478 |
| 2026-06-30 | Healy Thomas J. | Chief Executive Officer | Sell | 2.5M | $0 |
| 2026-05-27 | Cubbage Vincent T. | Director | Sell | 11,500 | $0 |
| 2026-05-21 | RAMASAMY GOVINDARAJ | Chief Commercial Officer | Sell | 4,800 | $19,488 |
| 2026-05-21 | Healy Thomas J. | Chief Executive Officer | Sell | 16,600 | $67,728 |
| 2026-05-21 | Standley Greg | Chief Accounting Officer. | Sell | 3,981 | $16,123 |
| 2026-05-21 | Panzer Jon | Chief Financial Officer | Sell | 6,100 | $24,766 |
| 2026-05-21 | MOOK JOSHUA T. | Chief Technology Officer | Sell | 4,800 | $19,488 |
| 2026-05-21 | Oxholm Jose Miguel | Chief Legal&Compliance Officer | Sell | 8,550 | $34,713 |
| 2026-05-21 | Oxholm Jose Miguel | Chief Legal&Compliance Officer | Sell | 3,026 | $11,862 |
| 2026-05-21 | Healy Thomas J. | Chief Executive Officer | Sell | 11,426 | $45,475 |
| 2026-05-21 | Panzer Jon | Chief Financial Officer | Sell | 1,965 | $7,703 |
| 2026-05-21 | MOOK JOSHUA T. | Chief Technology Officer | Sell | 2,003 | $7,852 |
| 2026-05-21 | RAMASAMY GOVINDARAJ | Chief Commercial Officer | Sell | 1,715 | $6,723 |
| 2026-03-10 | RAMASAMY GOVINDARAJ | Chief Commercial Officer | Sell | 130 | $263 |
| 2026-03-04 | Standley Greg | Chief Accounting Officer. | Sell | 7,411 | $15,118 |
| 2026-03-04 | Healy Thomas J. | Chief Executive Officer | Sell | 58,202 | $119,314 |
| 2026-03-04 | Panzer Jon | Chief Financial Officer | Sell | 16,820 | $34,313 |
| 2026-03-04 | MOOK JOSHUA T. | Chief Technology Officer | Sell | 14,816 | $30,225 |
| 2026-03-04 | RAMASAMY GOVINDARAJ | Chief Commercial Officer | Sell | 12,758 | $26,026 |
| 2026-03-04 | Oxholm Jose Miguel | Chief Legal&Compliance Officer | Sell | 24,900 | $50,796 |
Source: SEC Form 4 filings · as of 2026-08-21