Form 4: Hyliion Holdings CTO Reports Stock Transaction
Insider Transaction (Form 4)
Joshua T. Mook, Chief Technology Officer of Hyliion Holdings Corp., reported multiple transactions in common stock on September 30, 2026.
Summary
- Conversion of derivative: acquired 55,981 Common Stock on September 30, 2026; holds 1,152,587 after (Direct).
- Conversion of derivative: acquired 71,341 Common Stock on September 30, 2026; holds 1,223,928 after (Direct).
- Conversion of derivative: disposed of 55,981 Performance Stock Incentive Units on September 30, 2026; holds 223,924 after (Direct).
- Conversion of derivative: disposed of 71,341 Performance Stock Incentive Units on September 30, 2026; holds 214,025 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Joshua T. Mook — Officer (Chief Technology Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-30 | Conversion of derivative | Common Stock | 55,981 | — | — | 1,152,587 |
| 2026-09-30 | Conversion of derivative | Common Stock | 71,341 | — | — | 1,223,928 |
| 2026-09-30 | Conversion of derivative | Performance Stock Incentive Units | 55,981 | — | — | 223,924 |
| 2026-09-30 | Conversion of derivative | Performance Stock Incentive Units | 71,341 | — | — | 214,025 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-30 | Conversion of derivative (55,981 shares) |
| 2026-09-30 | Conversion of derivative (71,341 shares) |
| 2026-09-30 | Conversion of derivative (55,981 shares) |
| 2026-09-30 | Conversion of derivative (71,341 shares) |
Keywords
insider transaction, Form 4, HYLN, Hyliion Holdings Corp., neutral, Joshua T. Mook
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