SC 13G/A: INTERNATIONAL ISOTOPES INC

AI Summary

SC 13G/A filing by INTERNATIONAL ISOTOPES INC.

Risk Assessment

Risk Level: low

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Filing Documents

• tm2412913d1_sc13ga.htm (SC 13G/A) — 71KB
• 0001104659-24-053680.txt ( ) — 73KB

If This Statement is Filed Pursuant to §§

Item 3. If This Statement is Filed Pursuant to §§ 240.13d-1(b), or 240.13d-2(b) or (c) , Check Whether the Person Filing is a: (a) Broker or dealer registered under Section15 of the Act. (b) Bank as defined in Section3(a)(6)of the Act. (c) Insurance company as defined in Section3(a)(19) of the Act. (d) Investment company registered under Section8 of the Investment Company Act of 1940. (e) An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E) ; (f) An employee benefit plan or endowment fund in accordance with § 240.13d-1 (b)(1)(ii)(F); (g) A parent holding company or control person in accordance with § 240.13d-1 (b)(l)(ii)(G); (h) A savings association as defined in Section3(b)of the Federal Deposit Insurance Act; (i) A church plan that is excluded from the definition of an investment company under Section3(c)(14) of the Investment Company Act; (j) A non-U.S. institution in accordance with § 240.13d-1 (b)(1)(ii)(J); (k) Group, in accordance with § 240.13d-1 (b)(l)(ii)(K). If filing as a non-U.S. institution in accordance with § 240.13d-1 (b)(1(ii)(j), please specify the type of institution: ________________

Ownership

Item 4. Ownership. (a) Amount beneficially owned: As of the date of this filing, each of Kennerman Associates,Inc. d/b/a Kershner Grosso& Co. and Christopher Grosso beneficially own the aggregate number and percentage of common stock of International Isotopes Inc. as set forth on each applicable coverpageabove. As of the date of this filing, Kennerman Associates, Inc. d/b/a Kershner Grosso & Co. had beneficial ownership of 233,289,586 shares of common stock of International Isotopes Inc. (“Shares”), including (i) vested options to purchase 5,000,000 Shares that were exercisable within 60 days of the date hereof (“Options”), and (iii) 26,300,000 shares of common stock issuable upon conversion of the issuer’s Series C Convertible Redeemable Preferred Stock (“Series C Preferred Stock”). Christopher Grosso is a principal of Kennerman Associates, Inc., and may be deemed to have beneficial ownership of the Shares and Options beneficially owned by Kennerman Associates, Inc. The filing of this report shall not be construed as an admission that Christopher Grosso is, for purposes of Section13(d)or 13(g)of the Act or for any other purposes, the beneficial owner of the Shares or Options. Christopher Grosso disclaims beneficial ownership of 170,086,913 Shares, Options, Warrants and SeriesC Preferred Stock covered by this Schedule 13G/A. (b) Percent of class: See Item 11 of each coverpageabove. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: See Item 5 of each cover pageabove. (ii) Shared power to vote or to direct the vote: See Item 6 of each cover pageabove. (iii) Sole power to dispose or to direct the disposition of: See Item 7 of each cover pageabove. (iv) Shared power to dispose of or to direct the disposition of: See Item 8 of each cover pageabove.

Ownership of Five Percent or Less of a Class

Item 5. Ownership of Five Percent or Less of a Class. Not Applicable.

Ownership of More than Five Percent on Behalf of Another Person

Item 6. Ownership of More than Five Percent on Behalf of Another Person. See Item 4(a)above.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. Not applicable.

Identification and Classification of Members of the Group

Item 8. Identification and Classification of Members of the Group. Not applicable.

Notice of Dissolution of Group

Item 9. Notice of Dissolution of Group. Not applicable.

Certifications

Item 10. Certifications. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240. 14a-11. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief,I certify that the information set forth in this statement is true, complete and correct. Kennerman Associates,Inc. d/b/a Kershner Grosso& Co. April 29, 2024 (Date) /s/ Christopher Grosso (Signature) President (Title) Christopher Grosso April 29, 2024 (Date) /s/ Christopher Grosso (Signature) EXHIBITA JOINT FILING AGREEMENT In accordance with Rule13d-1(k)under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the common stock, par value $.01 per share, of International Isotopes Inc. Kennerman Associates,Inc. d/b/a Kershner Grosso& Co. April 29, 2024 (Date) /s/ Christopher Grosso (Signature) President (Title) Christopher Grosso April 29, 2024 (Date) /s/ Christopher Grosso (Signature)

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