Thomas J. Healy serves as Executive at Hyliion Holdings Corp., where they oversee executive responsibilities. Since joining the company, Thomas J. Healy has executed 26 insider transactions totaling $17.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 12, 2025 involved transacting 134,963 shares valued at $261.8K.
Thomas J. Healy currently holds 35,102,148 shares of Hyliion Holdings Corp. (HYLN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas J. Healy has been a net seller of HYLN stock. They have purchased $157.8K and sold $17.6M worth of shares.
Thomas J. Healy's most recent insider trade was on Dec 12, 2025, when they sold 134,963 shares at $1.94 per share.
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| $1.66 |
| Discretionary |
| Aug 25, 2025 | HYLN | $0 | Payment | 0 | $N/A | Discretionary |
| Aug 25, 2025 | HYLN | $109.0K | Payment | 61,603 | $1.77 | Discretionary |
| Aug 13, 2024 | HYLN | $0 | Conversion | 263,250 | $N/A | Discretionary |
| Mar 26, 2024 | HYLN | $13.5K | Payment | 9,132 | $1.48 | Discretionary |
| Feb 28, 2024 | HYLN | $43.2K | Payment | 25,742 | $1.68 | Discretionary |
| Feb 13, 2024 | HYLN | $0 | Award | 438,750 | $N/A | Discretionary |
| Nov 15, 2023 | HYLN | $89.5K | Purchase | 139,798 | $0.64 | Discretionary |
| Nov 14, 2023 | HYLN | $68.3K | Purchase | 110,202 | $0.62 | Discretionary |
| Jun 20, 2023 | HYLN | $0 | Gift | 200,000 | $N/A | Discretionary |
| Mar 26, 2023 | HYLN | $19.5K | Payment | 9,132 | $2.14 | Planned |
| Feb 28, 2023 | HYLN | $70.0K | Payment | 24,743 | $2.83 | Discretionary |
| Feb 28, 2023 | HYLN | $0 | Award | 292,500 | $N/A | Discretionary |
| Mar 26, 2022 | HYLN | $39.9K | Payment | 9,132 | $4.37 | Discretionary |
| Feb 24, 2022 | HYLN | $0 | Award | 150,000 | $N/A | Discretionary |
| Feb 1, 2022 | HYLN | $1.8M | Sale | 400,000 | $4.47 | Discretionary |
| Nov 1, 2021 | HYLN | $2.5M | Sale | 300,000 | $8.31 | Discretionary |
| Oct 20, 2021 | HYLN | $1.6M | Sale | 200,000 | $7.77 | Discretionary |
| Sep 22, 2021 | HYLN | $1.7M | Sale | 200,000 | $8.41 | Discretionary |
| Aug 25, 2021 | HYLN | $1.8M | Sale | 200,000 | $8.96 | Discretionary |
| Jul 28, 2021 | HYLN | $2.0M | Sale | 200,000 | $9.84 | Discretionary |
| Jun 30, 2021 | HYLN | $1.2M | Sale | 100,000 | $11.65 | Discretionary |
| Jun 30, 2021 | HYLN | $2.3M | Sale | 200,000 | $11.65 | Discretionary |
| May 19, 2021 | HYLN | $2.8M | Sale | 300,000 | $9.33 | Discretionary |
| Oct 1, 2020 | HYLN | $0 | Award | 34,972,856 | $N/A | Discretionary |