# EDGAR Filing Document

**Accession Number:** 0001682639
**File Stem:** 0001104659-25-068319
**Filing Date:** 2025-7
**Character Count:** 8012
**Document Hash:** c0b0f311694f6ce991b2ab8dcaa8ea3f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-068319.hdr.sgml**: 20250716

**ACCESSION NUMBER**: 0001104659-25-068319

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250716

**DATE AS OF CHANGE**: 20250716

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HYPERION DEFI, INC.
- **CENTRAL INDEX KEY:** 0001682639
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 471178401
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-90395
- **FILM NUMBER:** 251127366

**BUSINESS ADDRESS:**
- **STREET 1:** 23461 SOUTH POINTE DRIVE,
- **STREET 2:** SUITE 390
- **CITY:** LAGUNA HILLS
- **STATE:** CA
- **ZIP:** 92653
- **BUSINESS PHONE:** 833-393-6684

**MAIL ADDRESS:**
- **STREET 1:** 23461 SOUTH POINTE DRIVE,
- **STREET 2:** SUITE 390
- **CITY:** LAGUNA HILLS
- **STATE:** CA
- **ZIP:** 92653

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** EYENOVIA, INC.
- **DATE OF NAME CHANGE:** 20160818
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Jung Hyunsu
- **CENTRAL INDEX KEY:** 0002075658

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D

**MAIL ADDRESS:**
- **STREET 1:** C/O EYENOVIA, INC.
- **STREET 2:** 23461 SOUTH POINTE DR., SUITE 390
- **CITY:** LAGUNA HILLS
- **STATE:** CA
- **ZIP:** 92653

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**Hyperion DeFi, Inc.**

*(Name of Issuer)*

**Common Stock, $0.0001 par value**

*(Title of Class of Securities)*

**30234E203**

*(CUSIP Number)*

**Hyunsu Jung**<br>23461 South Pointe Drive<br>Suite 390<br>Laguna Hills CA 92653<br>(833) 393-6684

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**06/17/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **30234E203** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Hyunsu Jung** | Name of reporting person<br>**Hyunsu Jung** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**SC** | Source of funds (See Instructions)<br>**SC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**500000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**500000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**500000.00** | Aggregate amount beneficially owned by each reporting person<br>**500000.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.3%** | Percent of class represented by amount in Row (11)<br>**9.3%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** (1)  Includes 500,000 shares of Common Stock (defined below).
(2)  Calculated based on 5,361,034 shares of Common Stock outstanding as of July 10, 2025.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, $0.0001 par value

**(b) Name of Issuer:**
Hyperion DeFi, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
23461 South Pointe Drive, Suite 390, Laguna Hills, CA, 92653

This statement on Schedule 13D ("Schedule 13D") relates to shares of common stock, $0.0001 par value (the "Common Stock") of Hyperion DeFi, Inc., a Delaware corporation (the "Issuer"), whose principal executive offices are located at 23461 South Pointe Drive, Suite 390, Laguna Hills, CA 92653.

**Item 4. Purpose of Transaction**

(a)-(j). The shares of Common Stock beneficially owned by the Reporting Person have been acquired for investment purposes and were not acquired with the intent to change or influence control of the Issuer or to participate in any transaction having that purpose or effect. The Reporting Person reserves the right to change his plan and intentions at any time as he deems appropriate.

Pursuant to the Employment Agreement, the Issuer committed to issue an additional 1,000,000 shares of Common Stock to Mr. Jung upon the vesting of restricted stock units (the "RSUs") that were granted to Mr. Jung subject to and upon any necessary approvals by the Issuer's stockholders and the Issuer's board of directors and the terms of the Company's 2018 Omnibus Stock Incentive Plan, as amended. The RSUs vest as follows: 500,000 shares will vest upon the Company achieving a market capitalization of $150,000,000, and the remaining 500,000 shares will vest upon the Company achieving a market capitalization of $500,000,000. The Reporting Person may acquire additional shares of Common Stock, dispose of all or some of his shares of Common Stock from time to time, in each case in the open market or private transactions, block sales or purchases or otherwise, or may continue to hold the shares of Common Stock, depending on business and market conditions, and other factors.

Other than as set forth above, the Reporting Person has no plans or proposals which would relate or result in any of the matters set forth in subparagraphs (a) - (j) of Item 4 of Schedule 13D except as set forth herein.

**Item 5. Interest in Securities of the Issuer**

**(a)**
The aggregate number and percentage of Common Stock beneficially owned by the Reporting Person (on the basis of a total of 5,304,868 shares of Common Stock outstanding as of July 8, 2025) are as follows:

Amount beneficially owned: 500,000                                          Percentage: 9.3%

**(b)**
Number of shares to which the Reporting Person has:

      i.   Sole power to vote or to direct the vote:                                500,000(1)
      ii.  Shared power to vote or to direct the vote:                             0
      iii. Sole power to dispose or to direct the disposition of:            500,000(1)
      iv. Shared power to dispose or to direct the disposition of:         0

   (1) Includes 500,000 shares of Common Stock acquired by the Reporting Person pursuant to the Employment Agreement, as an inducement to accept employment with the Issuer.

**(c)**
The required transaction described in this Item 5(a) was reported on a Form 4 filed by Mr. Jung with the SEC pursuant to Section 16 of the Act, which is available on the SEC's website at www.sec.gov. The information reported in such filing is expressly incorporated herein.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Not applicable.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Hyunsu Jung

**Signature:** /s/ Hyunsu Jung

**Name/Title:** Hyunsu Jung

**Date:** 07/16/2025