# EDGAR Filing Document

**Accession Number:** 0001548568
**File Stem:** 0001213900-23-023779
**Filing Date:** 2023-3
**Character Count:** 5751
**Document Hash:** fb3c36013acba9a6610c0911210f1096
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-23-023779.hdr.sgml**: 20230328

**ACCESSION NUMBER**: 0001213900-23-023779

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230326

**FILED AS OF DATE**: 20230328

**DATE AS OF CHANGE**: 20230328

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Oxholm Jose Miguel
- **CENTRAL INDEX KEY:** 0001548568

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38823
- **FILM NUMBER:** 23771287

**MAIL ADDRESS:**
- **STREET 1:** C/O HYLIION HOLDINGS CORP.
- **STREET 2:** 1202 BMC DRIVE, SUITE 100
- **CITY:** CEDAR PARK
- **STATE:** TX
- **ZIP:** 78613
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Hyliion Holdings Corp.
- **CENTRAL INDEX KEY:** 0001759631
- **STANDARD INDUSTRIAL CLASSIFICATION:** TRUCK & BUS BODIES [3713]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1202 BMC DRIVE, SUITE 100
- **CITY:** CEDAR PARK
- **STATE:** TX
- **ZIP:** 78613
- **BUSINESS PHONE:** (833) 495-4466

**MAIL ADDRESS:**
- **STREET 1:** 1202 BMC DRIVE, SUITE 100
- **CITY:** CEDAR PARK
- **STATE:** TX
- **ZIP:** 78613

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Tortoise Acquisition Corp.
- **DATE OF NAME CHANGE:** 20181120

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[x] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Oxholm Jose Miguel<br><sub>(Last) (First) (Middle)</sub><br>C/O HYLIION HOLDING CORP.<br>1202 BMC DRIVE, SUITE 100<br><sub>(Street)</sub><br>CEDAR PARK, TX 78613<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_VP, General Counsel & CCO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Hyliion Holdings Corp. [ HYLN ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2023-03-26 |  | F<sup>(1)</sup> |  | 1732 | D | $2.14 | 360622 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Shares withheld for the payment of a tax liability related to the vesting and distribution of restricted stock awards.

**Signature:** /s/ Jose Miguel Oxholm  
**Date:** 2023-03-28

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**