Hyliion Holdings Corp.

For the period ended Sep 30, 2026. Filed Nov 10, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 10, 2026

HYLN$2.99-4.8%Stored close · as of Nov 10, 2026

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Contents

Item 6. Exhibits

ExhibitNumber	Description
1.1	Sales Agreement, dated August 11, 2026, by and among Needham & Company, LLC, Northland Securities, Inc. and Hyliion Holdings Corp. (incorporated by reference to Exhibit 1.1 to the Company’s Quarterly Report on Form 10-Q (File No. 001-38823) filed with the SEC on August 11, 2026).
3.1	Second Amended and Restated Certificate of Incorporation of the Company, dated October 1, 2020 (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K (File No. 001-38823) filed with the SEC on October 7, 2020).
3.2	Amended and Restated Bylaws of the Company, dated October 1, 2020 (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K (File No. 001-38823) filed with the SEC on October 7, 2020).
10.1	Sixth Amendment to Industrial Lease, dated July 31, 2026, by and between GSNTR ATX 1200 BMC Drive Owner LP, GSNTR ATX 1202 BMC Drive Owner LP, and Hyliion Inc. (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q (File No. 001-38823) filed with the SEC on August 11, 2026).
10.2*†	Consulting Agreement, dated August 30, 2026, by and between Hyliion Inc. and Gustanski Technical Services LLC.
10.3†	Hyliion Nonqualified Deferred Compensation Plan and Adoption Agreement, effective September 28, 2026 (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K (File No. 001-38823) filed with the SEC on October 2, 2026).
31.1*	Certification of Principal Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Principal Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS*	XBRL Instance Document
101.SCH*	XBRL Taxonomy Extension Schema Document
101.CAL*	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*	XBRL Taxonomy Extension Label Linkbase Document
101.PRE*	XBRL Taxonomy Extension Presentation Linkbase Document
104	Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibits 101)

Filed herewith.

** Furnished herewith.

† Indicates a management contract or compensatory plan or arrangement.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: November 10, 2026	HYLIION HOLDINGS CORP.
	/s/ Thomas Healy
	Name:	Thomas Healy
	Title:	Chief Executive Officer(Principal Executive Officer)
	/s/ Jon Panzer
	Name:	Jon Panzer
	Title:	Chief Financial Officer(Principal Financial Officer)

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.