---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-017929"
form_type: "8-K"
ticker: "INIS"
cik: "0001038277"
company_name: "RADNOSTIX INC"
filed_at: "2026-05-20T19:36:45+00:00"
generated_at: "2026-05-20T19:40:05.012894+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Radnostix extends Series C Preferred maturity to February 28, 2028

## Summary
- Majority of Series C Preferred holders approved extension of maturity date by one year to February 28, 2028.
- All other terms of the Series C Preferred Stock remain unchanged.
- Company filed Certificate of Amendment with Texas Secretary of State on May 19, 2026.

## SEC filing metadata
- accession: 0001437749-26-017929
- form_type: 8-K
- ticker: INIS
- cik: 0001038277
- company_name: RADNOSTIX INC
- filed_at: 2026-05-20T19:36:45+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1038277/000143774926017929/0001437749-26-017929-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1038277/000143774926017929/inis20260519_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-017929
- JSON: https://secwatch.observer/filing/0001437749-26-017929.json
- Plain text: https://secwatch.observer/filing/0001437749-26-017929.txt

## Key facts
- Governance Changes
  RADNOSTIX INC: Extended the maturity date of Series C Convertible Redeemable Preferred Stock by one year to February 28, 2028, through a Certificate of Amendment to Statement of Designation (effective 2026-05-19).
  - Change: charter amendment
  - Effective: 2026-05-19
  source text: On May 14, 2026, Radnostix, Inc. (the “Company”) received approval of a further modification to the maturity date of its Series C Convertible Redeemable Preferred Stock (the “Series C Preferred Stock”) from a majority of the outstanding shares of the Series C Preferred Stock. The modification extends the maturity date of the Series C Preferred for an additional year to February 28, 2028. All other terms in the Series C Preferred Stock remain unchanged. In connection therewith, on May 19, 2026, the Company filed a Certificate of Amendment to Statement of Designation of the Series C Preferred Stock (the “Certificate of Amendment”) with the Secretary of State of the State of Texas to reflect the approved modification.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1038277/000143774926017929/0001437749-26-017929-index.htm

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