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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
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1. Name and Address of Reporting Person*
Mac Mahon, Thomas P.
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(Last) (First) (Middle)
c/o Laboratory Corporation of America Holdings, 430 South Spring Street
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(Street)
Burlington, North Carolina 27215
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(City) (State) (Zip)
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2. Issuer Name and Ticker or Trading Symbol
Laboratory Corporation of America Holdings ("LH")
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3. IRS Identification Number of Reporting Person, if an Entity (Voluntary)
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4. Statement for Month/Day/Year
March 20, 2003
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5. If Amendment, Date of Original (Month/Day/Year)
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6. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
[X] Director [_] 10% Owner
[X] Officer (give title below) [_] Other (specify below)
Chairman of the Board, Chief Executive Officer and President
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7. Individual or Joint/Group Filing (Check applicable line)
[X] Form filed by One Reporting Person
[_] Form filed by more than One Reporting Person
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Table I -- Non-Derivative Securities Acquired, Disposed of,
or Beneficially Owned
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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)
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Common Stock (1) 3/20/03 F 67,496 D $27.39 617,116 (2) D
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(1) Stock withholding to satisfy tax and withholding obligations.
(2) 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)
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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
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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)
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Explanation of Responses:
/s/ Bradford T. Smith March 20, 2003
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**Signature of Reporting Person Date
Bradford T. Smith, Attorney-in-Fact for
Thomas P. Mac Mahon
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.
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