---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-000748"
form_type: "8-K"
ticker: "HYPD"
cik: "0001682639"
company_name: "HYPERION DEFI, INC."
filed_at: "2026-01-05T23:59:59+00:00"
generated_at: "2026-05-16T11:40:43.421804+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Hyperion DeFi appoints Hyunsu Jung as permanent CEO; employment agreement through January 2029

## Summary
- Hyunsu Jung (formerly interim CEO since Sept 2025) named permanent CEO effective Jan 1, 2026; base salary $520K.
- Employment agreement provides up to 100% of base salary bonus for 2026 and 12-month severance for non-cause termination.
- 100,000 shares of Series A Preferred converted into 300,000 common shares on Jan 5, 2026; exempt from registration.
- Robert Rubenstein appointed General Counsel effective Jan 12, 2026; brings 30 years of legal and compliance experience.
- Board reaffirms 2026 strategic priorities focused on building a Hyperliquid-native DeFi platform.

## SEC filing metadata
- accession: 0001104659-26-000748
- form_type: 8-K
- ticker: HYPD
- cik: 0001682639
- company_name: HYPERION DEFI, INC.
- filed_at: 2026-01-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 3.02, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1682639/000110465926000748/0001104659-26-000748-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1682639/000110465926000748/tm2534601d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-000748
- JSON: https://secwatch.observer/filing/0001104659-26-000748.json
- Plain text: https://secwatch.observer/filing/0001104659-26-000748.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.