Hyliion Holdings Corp.

For the period ended Jun 30, 2026. Filed Aug 11, 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.

Jun 30, 2026 · Filed Aug 11, 2026

HYLN$3.14+5.0%Stored close · as of Nov 9, 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.
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).
5.1*	Opinion of Vinson & Elkins L.L.P.
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.
23.1*	Consent of Vinson & Elkins L.L.P. (included in Exhibit 5.1).
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.

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: August 11, 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.