1 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON AUGUST 18, 1999 REGISTRATION NO. 333-57947 REGISTRATION NO. 333-67429 REGISTRATION NO. 333-75227 ================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ---------------------- POST-EFFECTIVE AMENDMENT NO. 1 TO REGISTRATION STATEMENTS ON FORM S-3 Under The Securities Act of 1933 ---------------------- MAXWELL TECHNOLOGIES, INC. (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 95-2390133 (STATE OR OTHER JURISDICTION OF (IRS EMPLOYER INCORPORATION OR ORGANIZATION) IDENTIFICATION NO.) 9275 SKY PARK COURT SAN DIEGO, CALIFORNIA 92123 (619) 279-5100 (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF REGISTRANTS' PRINCIPAL EXECUTIVE OFFICES) ---------------------- DONALD M. ROBERTS, ESQ. GENERAL COUNSEL MAXWELL TECHNOLOGIES, INC. 9275 SKY PARK COURT SAN DIEGO, CALIFORNIA 92123 (619) 279-5100 (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF AGENT FOR SERVICE) ---------------------- COPIES TO: THOMAS A. WALDMAN, ESQ. Riordan & McKinzie 300 South Grand Avenue 29th Floor Los Angeles, California 90071 (213) 629-4824 ---------------------- APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: Not applicable (see below). If the only securities being registered on this form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. [ ] If any of the securities being registered on this form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. [ ] If this form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. [ ] If this form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. [ ] If delivery of the prospectus is expected to be made pursuant to Rule 434, please check the following box. [ ] This Post-Effective Amendment No. 1 is being filed for the purpose of removing from registration 364,210 shares of Registrant's Common Stock, which are now available for resale under Rule 144. These shares were previously registered on Registration Statement Nos. 333-57947, 333-67429 and 333-75227. Registration Statement Nos. 333-67429 and 333-75227 were filed to register additional securities for an offering under Registration Statement No. 333-57947 pursuant to Rule 462(b) under the Securities Act. ================================================================================ 2 SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant has duly caused this Post-Effective Amendment No. 1 to Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of San Diego, and the State of California on the 17th day of August 1999. MAXWELL TECHNOLOGIES, INC. /s/ Thomas L. Horgan ---------------------------------------- Thomas L. Horgan President and Chief Executive Office Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 1 to Registration Statement has been signed below by the following persons in the capacities and on the date indicated. Signature Title Date --------- ----- ---- /s/ Thomas L. Horgan President, Chief Executive Officer August 17, 1999 - ------------------------------ and Director (Principal Executive Thomas L. Horgan Officer) /s/ Vickie L. Capps Vice President -- Finance and August 17, 1999 - ------------------------------ Administration, Chief Financial Officer Vickie L. Capps and Treasurer (Principal Financial Officer and Principal Accounting Officer) * Director August 17, 1999 - ------------------------------ Carlton J. Eibl * Director August 17, 1999 - ------------------------------ Mark Rossi * Director August 17, 1999 - ------------------------------ Karl M. Samuelian /s/ Kenneth F. Potashner Director August 17, 1999 - ------------------------------ Kenneth F. Potashner * /s/ Kenneth F. Potashner August 17, 1999 - ------------------------------ By: Kenneth F. Potashner Attorney in Fact 2