Hyliion Holdings Corp. SEC filings HYLN
Hyliion Holdings Corp. has 669 filings in SEC EDGAR's recent list, going back to Nov 20, 2018. Its latest annual report, Form 10-K, was filed on Feb 25, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 2, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEF 14A | Proxy statement | Apr 8, 2026 | May 19, 2026 |
| DEF 14A | Proxy statement | Apr 8, 2025 | May 20, 2025 |
| DEFA14A | Additional proxy material | May 15, 2024 | — |
| DEF 14A | Proxy statement | Apr 10, 2024 | May 21, 2024 |
| DEFA14A | Additional proxy material | Apr 10, 2023 | — |
| DEF 14A | Proxy statement | Apr 7, 2023 | — |
| DEFA14A | Additional proxy material | Mar 25, 2022 | — |
| DEF 14A | Proxy statement | Mar 25, 2022 | May 10, 2022 |
| DEFA14A | Additional proxy material | Apr 29, 2021 | — |
| DEF 14A | Proxy statement | Apr 29, 2021 | Jun 8, 2021 |
| DEFA14A | Additional proxy material | Sep 28, 2020 | — |
| DEFA14A | Additional proxy material | Sep 28, 2020 | — |
| DEFA14A | Additional proxy material | Sep 28, 2020 | — |
| DEFA14A | Additional proxy material | Sep 25, 2020 | — |
| DEFA14A | Additional proxy material | Sep 24, 2020 | — |
| DEFA14A | Additional proxy material | Sep 21, 2020 | — |
| DEFA14A | Additional proxy material | Sep 17, 2020 | — |
| DEFA14A | Additional proxy material | Sep 15, 2020 | — |
| DEFA14A | Additional proxy material | Sep 10, 2020 | — |
| DEFA14A | Additional proxy material | Sep 10, 2020 | — |
| DEFM14A | Filing | Sep 8, 2020 | — |
| DEFA14A | Additional proxy material | Jul 30, 2020 | — |
| DEFA14A | Additional proxy material | Jul 29, 2020 | — |
| DEFA14A | Additional proxy material | Jul 21, 2020 | — |
| PREM14A | Form prem14a | Jul 10, 2020 | Jul 10, 2020 |
| DEFA14A | Additional proxy material | Jun 25, 2020 | — |
| DEFA14A | Additional proxy material | Jun 19, 2020 | — |
Showing 27 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Truck & Bus Bodies (SIC 3713)
- Listed as
- HYLN (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Cedar Park, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1759631
- Former names
- Tortoise Acquisition Corp. (until Sep 28, 2020)
Other Truck & Bus Bodies companies
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- Miller Industries Inc /TN/ MLR
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- GREENPOWER MOTOR Co INC. GP
Source: SEC EDGAR filings. This is company-reported data, not investment advice.