0000950170-25-004913.txt : 20250113 0000950170-25-004913.hdr.sgml : 20250113 20250113172923 ACCESSION NUMBER: 0000950170-25-004913 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20241231 FILED AS OF DATE: 20250113 DATE AS OF CHANGE: 20250113 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: JANKOWSKI JESS CENTRAL INDEX KEY: 0001184478 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-22333 FILM NUMBER: 25527166 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NANOPHASE TECHNOLOGIES Corp CENTRAL INDEX KEY: 0000883107 STANDARD INDUSTRIAL CLASSIFICATION: PERFUMES, COSMETICS & OTHER TOILET PREPARATIONS [2844] ORGANIZATION NAME: 08 Industrial Applications and Services 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 ownership.xml 4 X0508 4 2024-12-31 0000883107 NANOPHASE TECHNOLOGIES Corp NANX 0001184478 JANKOWSKI JESS 1319 MARQUETTE DRIVE ROMEOVILLE IL 60446 true true false false President, CEO false Common Stock 1000 I Spouse's IRA Common Stock 207450 D Common Stock (right to purchase) 0.42 2017-02-23 2026-02-23 Common Stock 69000 69000 D Common Stock (right to purchase) 0.68 2018-02-21 2027-02-21 Common Stock 81000 81000 D Common Stock (right to purchase) 0.82 2019-05-23 2028-05-23 Common Stock 90000 90000 D Common Stock (right to purchase) 0.51 2020-05-22 2029-05-22 Common Stock 16500 16500 D Common Stock (right to purchase) 0.45 2021-06-18 2027-06-18 Common Stock 90000 90000 D Common Stock (right to purchase) 4.17 2022-12-28 2028-12-28 Common Stock 90000 90000 D Common Stock (right to purchase) 1.165 2023-12-20 2029-12-20 Common Stock 72000 72000 D Common Stock (right to purchase) 0.61 2024-12-27 2030-12-27 Common Stock 12600 12600 D Common Stock (right to purchase) 2.44 2024-12-31 4 A false 22500 2.44 A 2025-12-31 2031-12-31 Common Stock 22500 22500 D Subject to certain restrictions, beginning on this date, options vest in three equal annual installments. This report is being filed late due to an administrative error on the part of the Company. Mr. Jankowski received this grant of stock options as part of the Company's annual equity compensation practices. /s/ Jess Jankowski 2025-01-13