------------------------------ OMB APPROVAL [ ] Check this box if no longer ------------------------------ subject to Section 16. Form 4 or OMB Number 3235-0287 Form 5 obligations may continue. Expires: January 31, 2005 See Instruction 1(b). Estimated average burden hours per response ....... 0.5 ------------------------------ U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 4 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* Stark, Stevan R. -------------------------------------------------------------------------------- (Last) (First) (Middle) c/o Laboratory Corporation of America Holdings, 430 South Spring Street -------------------------------------------------------------------------------- (Street) Burlington, North Carolina 27215 -------------------------------------------------------------------------------- (City) (State) (Zip) -------------------------------------------------------------------------------- 2. Issuer Name and Ticker or Trading Symbol Laboratory Corporation of America Holdings ("LH") -------------------------------------------------------------------------------- 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) -------------------------------------------------------------------------------- 4. Statement for Month/Day/Year March 21, 2003 -------------------------------------------------------------------------------- 5. If Amendment, Date of Original (Month/Day/Year) -------------------------------------------------------------------------------- 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) [_] Director [_] 10% Owner [X] Officer (give title below) [_] Other (specify below) Executive Vice President ----------------------------------------------------- -------------------------------------------------------------------------------- 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 ================================================================================ 5. Amount of 6. 4. Securities Owner- Securities Acquired (A) Beneficially ship 2A. 3. or Disposed of (D) Owned Form: 7. 2. Deemed Transaction (Instr. 3, 4 and 5) Following Direct Nature of Transaction Execution Code ------------------------- Reported (D) or Indirect 1. Date Date, if (Instr. 8) (A) Transaction(s) Indirect Beneficial Title of Security (Month/Day any (Month/ ------------ Amount or Price (Instr. 3 (I) Ownership (Instr. 3) Year) Day/Year) Code V (D) and 4) (Instr.4) (Instr. 4) ------------------------------------------------------------------------------------------------------------------------------------ Common Stock (1) 3/20/03 F 8,819 D $27.39 ------------------------------------------------------------------------------------------------------------------------------------ Common Stock (2) 3/21/03 S 3,461 D $28.50 94,596.4176 (3) D ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ==================================================================================================================================== (1) Stock withholding to satisfy tax and withholding obligations. (2) Pursuant to a plan in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934. (3) Amount shown reflects a 2-for-1 stock split effective on May 10, 2002. (Over) SEC 1475(8-02) FORM 4 (continued) Table II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED (e.g., puts, calls, warrants, options, convertible securities) ================================================================================ 5. Number of 6. 3A. Derivative Date 2. 3. Deemed 4. Securities Exercisable and 1. Conversion Trans- Execution Transaction Acquired (A) or Expiration Date Title of or Exercise action Date, if Code Disposed of (D) (Month/Day/Year) Derivative Price of Date any (Instr.8) (Instr. 3, 4 and 5) ----------------------- Security Derivative (Month/ (Month/ ---------- ------------------- Date Expiration (Instr. 3) Security Day/Year) Day/Year) Code V (A) (D) Exercisable Date ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ==================================================================================================================================== 7. Title and Amount 9. 10. of Underlying Number of Ownership Form Securities Derivative of Derivative 11. (Instr. 3 and 4) 8. Securities Securities Nature of ---------------------------- Price of Beneficially Owned Beneficially Indirect Amount or Derivative Following Reported Owned at End Beneficial Number of Security Transaction(s) of Month Ownership Title Shares (Instr. 5) (Instr. 4) (Instr. 4) (Instr. 4) ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------- ================================================================================================================ Explanation of Responses: /s/ Bradford T. Smith March 21, 2003 --------------------------------------------- ----------------------- **Signature of Reporting Person Date Bradford T. Smith, Attorney-in-Fact for Stevan R. Stark Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4(b)(v). ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. Page 2