Robert Rubenstein - 12 Jan 2026 Form 4 Insider Report for HYPERION DEFI, INC. (EYEN)

Reporting relationship: General Counsel
Issuer ticker: EYEN
Reported as of: 12 Jan 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Jan 2026, 16:02:31 UTC
Source filing: View source filing
Reporting owner signature: /s/ Robert Rubenstein

Key filing fact

Robert Rubenstein filed Form 4 for HYPERION DEFI, INC. (EYEN) on 12 Jan 2026.

Key facts

This page summarizes Robert Rubenstein's Form 4 filing for HYPERION DEFI, INC. (EYEN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 12 Jan 2026, 16:02.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002103610 Primary reporting owner

Rubenstein Robert

Relationship: General Counsel
Address: C/O HYPERION DEFI, INC., 23461 SOUTH POINTE DRIVE, SUITE 390, LAGUNA HILLS
Signature: /s/ Robert Rubenstein
Signature date: 12 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HYPD transaction

Common Stock, par value $0.0001

Award

Transaction value: $0
Shares: +75,000
Change %
Price: $0.000000
Shares after: 75,000
Date: 12 Jan 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents restricted stock units ("RSUs") that vest as follows: (1) 37,500 RSUs shall vest on January 12, 2027 and (2) 37,500 RSUs shall vest in equal installments of 9,375 RSUs beginning three months after January 12, 2027 and continuing every three months thereafter until fully vested, subject to the Reporting Person's continued employment with the Company through each such vesting date.