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).
“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.”
Material Agreements
RADNOSTIX INC terminated Asset Purchase Agreement with American Fuel Resources, LLC (effective 2026-03-11).
“On March 16, 2026, Radnostix, Inc. (formerly International Isotopes, Inc., “RNX” or the “Company”), announced a mutual termination on March 11, 2026 of an Asset Purchase Agreement (the “APA”) dated February 8, 2024 that was entered into between RNX and its wholly-owned subsidiary International Isotopes Fluorine Products, Inc. (together with RNX, the “Seller”) and American Fuel Resources, LLC (“AFR”).”
Governance Changes
RADNOSTIX INC: Changed corporate name from International Isotopes Inc. to Radnostix, Inc. effective December 23, 2025 (effective 2025-12-23).
“On December 23, 2025, International Isotopes Inc. (“we,” “our,” “us,” or the “Company”) filed a Certificate of Amendment in the state of Texas for the sole purpose of amending our Certificate of Formation to change our corporate name from International Isotopes Inc. to Radnostix, Inc. (the “ Name Change ”).”
Governance Changes
RADNOSTIX INC: Amended bylaws to revise special meeting procedures, add advance notice requirements for business and director nominations, add advisory director provisions, revise written consent by shareholders, and add sections on indemnification and insurance (effective 2025-10-14).
“On October 14, 2025, the Board approved changes to the Company’s bylaws (the “Bylaws”), which are summarized below, and which are attached in full as an exhibit hereto.”
Governance Changes
RADNOSTIX INC: The Board approved amendments to the Company's bylaws, including revisions to special meetings, addition of advance notice procedures for business and nominations, addition of advisory directors, revision of shareholder written consent, and addition of indemnification and insurance provisions (effective 2025-10-14).
“On October 14, 2025, the Board approved changes to the Company’s bylaws (the “Bylaws”), which are summarized below, and which are attached in full as an exhibit hereto.”
Facts are extracted by an LLM and gated to those whose source quote is present verbatim in the filing text. Coverage is best-effort while backfill and monitoring mature; this is not yet a full-market index. See methodology.