---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-21-066054"
form_type: "8-K"
ticker: "HYSR"
cik: "0001481028"
company_name: "SUNHYDROGEN, INC."
filed_at: "2021-12-17T23:59:59+00:00"
generated_at: "2026-06-28T00:05:12.184967+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# SunHydrogen exchanges $268K convertible note for Series C Preferred convertible at $0.00095

## Summary
- Converted $268,165 note ($187,800 principal + $80,365 accrued interest) into 2,700 Series C Preferred shares.
- Series C Preferred carries 10% annual cumulative dividend, convertible into common at $0.00095 per share.
- Investor cancels the note and foregoes future interest; note deemed fully paid and satisfied.
- Series C Preferred has $100 stated value, no voting rights, and is senior to common for dividends.
- Company filed Certificate of Designation authorizing 17,000 Series C Preferred shares with Nevada SOS.

## SEC filing metadata
- accession: 0001213900-21-066054
- form_type: 8-K
- ticker: HYSR
- cik: 0001481028
- company_name: SUNHYDROGEN, INC.
- filed_at: 2021-12-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1481028/000121390021066054/0001213900-21-066054-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1481028/000121390021066054/ea152593-8k_sunhydrogen.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-21-066054
- JSON: https://secwatch.observer/filing/0001213900-21-066054.json
- Plain text: https://secwatch.observer/filing/0001213900-21-066054.txt

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