0001209191-23-042957.txt : 20230720 0001209191-23-042957.hdr.sgml : 20230720 20230720183747 ACCESSION NUMBER: 0001209191-23-042957 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230719 FILED AS OF DATE: 20230720 DATE AS OF CHANGE: 20230720 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Miller Mark E CENTRAL INDEX KEY: 0001985746 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-22333 FILM NUMBER: 231100739 MAIL ADDRESS: STREET 1: 1319 MARQUETTE DR CITY: ROMEOVILLE STATE: IL ZIP: 60446 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NANOPHASE TECHNOLOGIES Corp CENTRAL INDEX KEY: 0000883107 STANDARD INDUSTRIAL CLASSIFICATION: PERFUMES, COSMETICS & OTHER TOILET PREPARATIONS [2844] IRS NUMBER: 363687863 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1319 MARQUETTE DRIVE CITY: ROMEOVILLE STATE: IL ZIP: 60446 BUSINESS PHONE: 6303231200 MAIL ADDRESS: STREET 1: 1319 MARQUETTE DRIVE CITY: ROMEOVILLE STATE: IL ZIP: 60446 FORMER COMPANY: FORMER CONFORMED NAME: NANOPHASE TECHNOLOGIES CORPORATION DATE OF NAME CHANGE: 19970305 4 1 doc4.xml FORM 4 SUBMISSION X0508 4 2023-07-19 0 0000883107 NANOPHASE TECHNOLOGIES Corp NANX 0001985746 Miller Mark E 1319 MARQUETTE DR ROMEOVILLE IL 60446 1 0 0 0 0 Common Stock (option to purchase) 1.24 2023-07-19 4 A 0 10000 1.24 A 2024-07-19 2030-07-19 Common Stock 10000 10000 D Beginning on this date, and subject to certain restrictions, options vest in three equal annual installments. /s/ Jess Jankowski under UPA for Mark E. Miller 2023-07-20