David R. Knox - 30 Mar 2026 Form 4 Insider Report for HYPERION DEFI, INC. (HYPD)

Reporting relationship: Chief Financial Officer
Issuer ticker: HYPD
Reported as of: 30 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Apr 2026, 17:00:14 UTC
Prior SEC filing: 05 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ David R. Knox

Key filing fact

David R. Knox filed Form 4 for HYPERION DEFI, INC. (HYPD) on 01 Apr 2026.

Key facts

This page summarizes David R. Knox's Form 4 filing for HYPERION DEFI, INC. (HYPD).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Apr 2026, 17:00.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
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 0002089491 Primary reporting owner

Knox David R.

Relationship: Chief Financial Officer
Address: C/O HYPERION DEFI, INC., 23461 SOUTH POINTE DRIVE, SUITE 390, LAGUNA HILLS
Signature: /s/ David R. Knox
Signature date: 01 Apr 2026

Reported non-derivative transactions

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

HYPD transaction

Common Stock, par value $0.0001

Tax liability

Transaction value
Shares: -20,831
Change %: -6.4%
Price: $0.000000^*
Shares after: 307,119
Date: 30 Mar 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

These shares were withheld to satisfy tax withholding obligations incurred upon the vesting and settlement of a portion of a previously reported grant of restricted stock units held by the Reporting Person