FORM 4 ( ) Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 -------------------------------------------------------------------------- 1. Name and Address of Reporting Person Lynn C. Thurber c/o Jones Lang LaSalle Incorporated 200 East Randolph Drive Chicago, IL 60601 -------------------------------------------------------------------------- 2. Issuer Name and Ticker or Trading Symbol Jones Lang LaSalle Incorporated, JLL -------------------------------------------------------------------------- 3. IRS IDENTIFICATION NUMBER OF REPORTING PERSON, IF AN ENTITY (VOLUNTARY) -------------------------------------------------------------------------- 4. Statement for Month/Year 12/01 -------------------------------------------------------------------------- 5. If Amendment, Date of Original (Month/Year) -------------------------------------------------------------------------- 6. Relationship of Reporting Person to Issuer (Check all applicable) (X) DIRECTOR ( ) 10% OWNER (X) OFFICER (GIVE TITLE BELOW) ( ) OTHER (SPECIFY BELOW) Officer of Subsidiary -------------------------------------------------------------------------- 7. Individual or Joint/Group Filing (Check applicable line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person ========================================================================== TABLE I Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned -------------------------------------------------------------------------- 1. Title of Security (Instr. 3) Common Stock -------------------------------------------------------------------------- 2. Transaction Date (Month/Day/Year) (i) 12/7/01 (ii) 12/7/01 -------------------------------------------------------------------------- Form 4 / Lynn C. Thurber / Page 1 3. Transaction Code (Instr.8) (i) S (ii) S -------------------------------------------------------------------------- 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) (i) 21,322, D, $16.00 (ii) 5,323, D, $16.00 -------------------------------------------------------------------------- 5. Amount of Securities Beneficially Owned at End of Month (Instr 3 and 4) 104,592 shares of Common Stock -------------------------------------------------------------------------- 6. Ownership Form: Direct(D) or Indirect(I) (Instr. 4) (i) D (ii) I -------------------------------------------------------------------------- 7. Nature of Indirect Beneficial Ownership (Instr. 4) by a Company -------------------------------------------------------------------------- Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. ========================================================================== TABLE II Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) -------------------------------------------------------------------------- 1. Title of Derivative Security (Instr. 3) -------------------------------------------------------------------------- 2. Conversion or Exercise Price of Derivative Security -------------------------------------------------------------------------- 3. Transaction Date (Month/Day/Year) -------------------------------------------------------------------------- 4. Transaction Code (Instr. 8) -------------------------------------------------------------------------- 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) -------------------------------------------------------------------------- 6. Date Exercisable and Expiration Date (Month/Day/Year) -------------------------------------------------------------------------- 7. Title and Amount of Underlying Securities (Instr. 3 and 4) -------------------------------------------------------------------------- 8. Price of Derivative Security (Instr. 5) -------------------------------------------------------------------------- 9. Number of Derivative Securities Beneficially Owned at End of Year (Instr. 4) -------------------------------------------------------------------------- 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) -------------------------------------------------------------------------- 11. Nature of Indirect Beneficial Ownership (Instr. 4) -------------------------------------------------------------------------- ========================================================================== Form 4 / Lynn C. Thurber / Page 2 EXPLANATION OF RESPONSES: /s/ Gordon G. Repp as Attorney-in-Fact January 3, 2002 ------------------------------------------- --------------- **SIGNATURE OF REPORTING PERSON Date ------------------------------------------- INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACTS CONSTITUTE FEDERAL CRIMINAL VIOLATIONS. SEE 18 U.S.C. 1001 AND 15 U.S.C. 78FF(A). Form 4 / Lynn C. Thurber / Page 3