------------------------ FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION ----------------------------- ------------------------ WASHINGTON, D.C. 20549 OMB APPROVAL ----------------------------- [ ]Check this box if STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OMB Number: 3235-0287 no longer subject Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Expires:September 30, 1998 to Section 16. Section 17(a) of the Public Utility Holding Company Act of 1935 or Estimated average Form 4 or Form 5 Section 30(f) of the Investment Company Act of 1940 burden hours per obligations may response: 0.5 continue. ----------------------------- SEE Instruction 1(b) (Print or Type Response) ----------------------------------------------------------------------------------------------------------------------------------- 1. Name and Address of Reporting 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person* Person(s) to Issuer KOLIOPOULOS, CHRIS L. ADE CORPORATION (ADEX) (Check all applicable) -------------------------------------------------------------------------------------- (Last) (First) (Middle) 3. IRS or Social 4. Statement for x Director 10% Owner Security Number Month/Year ___ ___ of Reporting Officer (give x Other specify Person 04/01 ___ (title below) ____ (below (Voluntary) below) 3480 EAST BRITANNIA SUITE 110 President of wholly owned subsidiary ----------------------------------------------------------------------------------------------------------------------------------- (Street) 5. If Amendment, 7. Individual or Joint/Group Date of Original Filing (Check Applicable Line) (Month/Year) x Form filed by One Reporting Person ___ TUCSON, AZ 87506 Form filed by More than One Reporting ___ Person ----------------------------------------------------------------------------------------------------------------------------------- (City) (State) (Zip) TABLE 1 - NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED ----------------------------------------------------------------------------------------------------------------------------------- 1. Title of Security 2. Trans- 3. Trans 4. Securities Acquired (A) 5. Amount of 6. Owner- 7. Nature (Instr. 3) action action or Disposed of (D) Securities ship- of Date Code (Instr. 3, 4 and 5) Beneficially Form: Indirect (Instr. 8) Owned at Direct Beneficial End of Month (D) or Owner- Indirect ship --------------------------------------- (I) (Month/ (A) Day/ or Year Code V Amount (D) Price (Instr. 3 and 4) (Instr. 4) (Instr. 4) ---------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- Common Stock 4/10/01 S 1,300 D $13.50 D ----------------------------------------------------------------------------------------------------------------------------------- Common Stock 4/11/01 S 8,700 D $13.50 1,081,000 D ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Over) * If the form is filed by more than one reporting person, SEE Instruction 4(b)(v). SEC 1474 (7-96) FORM 4 (continued) TABLE II - DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES) ---------------------------------------------------------------------------------------------------------------------------------- 1.Title of 2.Conver- 3.Trans- 4.Trans- 5.Number of 6.Date Exer- 7.Title 8.Price 9.Number 10.Owner- 11.Nature Derivative sion or action action of Deriv- cisable and and of of ship of Security Exercise Date Code ative Expiration Amount Deriv- Deriv- Form of Indirect (Instr. 3) Price of (Instr. Securities date (Month/ of ative ative Deriv- Benefi- Deriva- (Month/ 8) Acquired Day/ Under- Secur- Secur- ative cial tive Day/ (A) or Dis- Year) lying) ity ities Secur- Owner- Security Year) posed of (D) Securi- Instr. Benefi- ity: ship (Instr. 3, ties 5) cially Direct (Instr. 4) 4 and 5) (Instr. owned (D) or 3 and 4) at end Indirect of month (I) (Instr. 4) -------------------------------------------------------------------- Date Expira- Amount or Exer- tion Number of Code V (A) (D) isable Date Title Shares ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------------------ Explanation of Responses: ** Intentional misstatements or omissions of facts constitute /s/ Chris L. Koliopoulos 5/10/2001 Federal Criminal Violations. ------------------------------------ ----------------- SEE 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). **Signature of Reporting Person Date Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, SEE Instruction 6 for procedure. Potential persons who are to respond to the collection of Page 2 information contained in this form are not required to SEC 1474 (7-96) respond unless the form displays a currently valid OMB Number.