13D Filings
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Hyperion DeFi, Inc.
HYPD
Initial Filing
Ownership

9.30%

Total Shares

500,000

Issuer CIK

1682639

CUSIP

30234E203

Event Date

Jun 16, 2025

Accepted

Jul 16, 2025, 04:01 PM

SEC EDGARView Original Filing
Reporting Persons (1)
NameType% of ClassAggregateSole VotingShared Voting
Hyunsu Jung
Individual
9.30%500,000500,0000
Disclosure Items (7)

Security Title

Common Stock, $0.0001 par value

Issuer Name

Hyperion DeFi, Inc.

Issuer Address

23461 South Pointe Drive, Laguna Hills, CA, 92653

Filing Persons

This Schedule 13D is filed by Hyunsu Jung, who is referred to herein as the "Reporting Person."

Business Address

The Reporting Person's address is c/o Hyperion DeFi, Inc., 23461 South Pointe Drive, Suite 390, Laguna Hills, CA 92653.

Principal Occupation

The Reporting Person is the Chief Investment Officer and a Director of Hyperion DeFi, Inc.

Convictions

During the last five years, the Reporting Person has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Citizenship

United States of America.

The 500,000 shares of Common Stock were acquired by the Reporting Person pursuant to the Employment Agreement between the Reporting Person and the Issuer, dated June 17, 2025 (the "Employment Agreement"), as an inducement to accept employment with the Issuer. A copy of the Employment Agreement is filed as Exhibit 99.1 to this Schedule 13D and is incorporated herein by reference.

(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.

Percentage of Class

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%

Number of Shares

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.

Transactions

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.

Shareholders

Not applicable.

Date of 5% Ownership

Not applicable.

Not applicable.

Exhibit 99.1 Executive Employment Agreement by and between Eyenovia, Inc. and Hyunsu Jung, dated June 17, 2025 (incorporated by reference to Exhibit 10.4 to the Current Report on Form 8-K filed with the Securities and Exchange Commission on June 24, 2025 (File No. 001- 38365)).