1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 F O R M 10 - K/A [x] Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 (Fee Required) For the fiscal year ended March 31, 1998 OR [ ] Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 (No Fee Required) For the transition period from __________ to __________ Commission file number 0-11363 Chad Therapeutics, Inc. (Exact name of registrant as specified in its charter) California 95-3792700 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 21622 Plummer Street, Chatsworth, CA 91311 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (818) 882-0883 Securities registered pursuant to Section 12(b) of the Act: None. Securities registered pursuant to Section 12(g) of the Act: Common Shares, $.01 par value (Title of class) Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [ ] Indicate by check mark if disclosures of delinquent filers pursuant to Item 405 of Regulation SK (229.405 of this chapter) is 2 not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [ ] The aggregate market value of the voting shares held by non-affiliates of the Registrant on June 12, 1998 (based on the average over-the-counter bid and asked prices of such stock on such date) was $60,072,000. Indicate the number of shares outstanding of each of the registrant's classes of common stock as of June 12, 1998: Common Shares 10,012,000 Portions of the Registrant's definitive Proxy Statement for its September 15, 1998, Shareholders' meeting ("Proxy Statement") (which Proxy Statement has not been filed as of the date hereof) are incorporated into Part III as set forth herein. Portions of the Registrant's Annual Report to Shareholders for the year ended March 31, 1998 ("Annual Report") are incorporated into Part II as set forth herein and only such portions of the Annual Report as are specifically incorporated by reference are thereby made a part of this Annual Report on Form 10-K. 2 3 PART IV Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K. (a) (3) Exhibits. This first amendment to the Form 10-K for the year ended March 31, 1998, is being filed to provide the following two exhibits: 10.27 Employment Agreement with Thomas E. Jones 10.28 Form of Severance and Change of Control Agreement for officers 3 4 SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Los Angeles, State of California, on the 29th day of June, 1998. CHAD THERAPEUTICS, INC. By /S/Thomas E. Jones ---------------------------------------------- Thomas E. Jones, Chief Executive Officer Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated. Signature Title Date /S/Thomas E. Jones Chief Executive June 29, 1998 - ---------------------------- Officer and Director Thomas E. Jones (Principal Executive Officer) /S/Francis R. Fleming President, Chief June 29, 1998 - ---------------------------- Operating Officer and Francis R. Fleming Director /S/Earl L. Yager Senior Vice President, June 29, 1998 - ---------------------------- Chief Financial Officer Earl L. Yager and Secretary and Director (Principal Financial and Accounting Officer) Chairman of the Board June 29, 1998 - ---------------------------- Charles R. Adams /S/David L. Cutter Director June 29, 1998 - ---------------------------- David L. Cutter /S/John C. Boyd Director June 29, 1998 - ---------------------------- John C. Boyd /S/Norman Cooper Director June 29, 1998 - ---------------------------- Norman Cooper /S/Philip Wolfstein Director June 29, 1998 - ---------------------------- Philip Wolfstein 4 5 Exhibit Index Exhibit Index Sequentially Exhibit No. Document Numbered Page - ----------- -------- ------------- 10.27 Employment Agreement with Thomas E. Jones 10.28 Form of Severance and Change in Control Agreement with Officers 5