Hyliion Holdings Corp.
Last updated September 27, 2026
Organization details
- Legal name
- Hyliion Holdings Corp.
- Former names
- Tortoise Acquisition Corp.
- Ownership
- Public
- Status
- Active
- SIC code
- 3713 — Truck & Bus Bodies
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Cedar Park
- Headquarters state / province
- Texas
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- HYLN
- Primary stock exchange
- NYSE American
Identifiers
- SEC CIK
- 0001759631
Board of directors
-
Andrew H. Card Jr. · DirectorSince 2023
-
Elaine L. Chao · DirectorSince 2023
-
Howard M. Jenkins · DirectorSince 2023
-
Jeffrey A. Craig · DirectorSince 2023
-
Mary Gustanski · DirectorSince 2023
-
Melanie Montague Trent · DirectorSince 2023
-
Richard Joseph Freeland · DirectorSince 2023
-
Robert M. Knight Jr. · DirectorSince 2023
-
Rodger L. Boehm · DirectorSince 2023
-
Stephen S. Pang · DirectorSince 2023
-
Thomas J. Healy · Director · Chief Executive OfficerSince 2023
-
Vincent T. Cubbage · DirectorSince 2023
Chief executives
Thomas J. Healy
· Chief Executive Officer
Dates unknown
Director election results
Annual meeting of May 19, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
93.8%
-
94.4%
-
94.5%
Board connections
9 of this board's directors also sit on 12 other boards.
- via Jeffrey A. Craig and Melanie Montague Trent
- via Stephen S. Pang and Vincent T. Cubbage
- via Mary Gustanski
- via Jeffrey A. Craig
- via Elaine L. Chao
- via Richard Joseph Freeland
- via Melanie Montague Trent
- via Rodger L. Boehm
- via Elaine L. Chao
- via Robert M. Knight Jr.
- via Elaine L. Chao
- via Richard Joseph Freeland
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $170,000
- 1 purchase by 1 insider
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 21, 2026 | Oxholm Jose Miguel Officer (Chief Legal&Compliance Officer) | Gift | −50,000 | — | — |
| Aug 27, 2026 | Vincent T. Cubbage Director | Open-market purchase | +50,000 | $3.40 | $170,000 |
| Aug 21, 2026 | Panzer Jon Officer (Chief Financial Officer) | Other | −13,595 | $3.32 | $45,135 |
| Aug 21, 2026 | MOOK JOSHUA T. Officer (Chief Technology Officer) | Other | −10,700 | $3.33 | $35,631 |
| Aug 21, 2026 | Oxholm Jose Miguel Officer (Chief Legal&Compliance Officer) | Other | −11,980 | $3.33 | $39,893 |
| Aug 21, 2026 | RAMASAMY GOVINDARAJ Officer (Chief Commercial Officer) | Other | −6,670 | $3.37 | $22,478 |
| Aug 21, 2026 | Thomas J. Healy Director, Officer (Chief Executive Officer), 10% owner | Other | −29,840 | $3.33 | $99,367 |
| Aug 19, 2026 | Standley Greg Officer (Chief Accounting Officer.) | Other | −3,731 | $3.73 | $13,917 |
| Jun 26, 2026 | Thomas J. Healy Director, Officer (Chief Executive Officer), 10% owner | Gift | −2,500,000 | — | — |
| May 26, 2026 | Vincent T. Cubbage Director | Gift | −11,500 | — | — |
| May 20, 2026 | RAMASAMY GOVINDARAJ Officer (Chief Commercial Officer) | Other | −1,715 | $3.92 | $6,723 |
| May 20, 2026 | Oxholm Jose Miguel Officer (Chief Legal&Compliance Officer) | Other | −3,026 | $3.92 | $11,862 |
| May 20, 2026 | MOOK JOSHUA T. Officer (Chief Technology Officer) | Other | −2,003 | $3.92 | $7,852 |
| May 20, 2026 | Panzer Jon Officer (Chief Financial Officer) | Other | −1,965 | $3.92 | $7,703 |
| May 20, 2026 | Thomas J. Healy Director, Officer (Chief Executive Officer), 10% owner | Other | −11,426 | $3.98 | $45,475 |
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