Sec Form 4 Filing - Hayes William B @ LABORATORY CORP OF AMERICA HOLDINGS - 2012-03-23

Insider filing report for Changes in Beneficial Ownership
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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES 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(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Hayes William B
2. Issuer Name and Ticker or Trading Symbol
LABORATORY CORP OF AMERICA HOLDINGS [ LH]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
Chief Financial Officer, EVP
(Last) (First) (Middle)
531 SOUTH SPRING STREET
3. Date of Earliest Transaction (MM/DD/YY)
03/23/2012
(Street)
BURLINGTON, NC27215
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/23/2012 M( 1 ) 30,367 A $ 60.04 58,932 D
Common Stock 03/23/2012 M( 1 ) 41,716 A $ 70.15 100,648 D
Common Stock 03/23/2012 S( 1 ) 16,707 ( 2 ) D $ 88.6712 83,941 D
Common Stock 03/23/2012 S( 1 ) 59,863 ( 3 ) D $ 89.9621 24,078 D
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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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
(MM/DD/YY)
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 Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-qualified Stock Options ( 4 ) $ 60.04 03/23/2012 M( 1 ) 30,367 02/10/2010( 5 ) 02/10/2019 Common Stock 30,367 $ 0 0 D
Non-qualified Stock Options ( 4 ) $ 70.15 03/23/2012 M( 1 ) 41,716 02/09/2011( 5 ) 02/09/2020 Common Stock 41,716 $ 0 24,984 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Hayes William B
531 SOUTH SPRING STREET
BURLINGTON, NC27215
Chief Financial Officer, EVP
Signatures
/s/ F. Samuel Eberts III, Attorney-in-Fact for William B. Hayes 03/27/2012
Signature of Reporting Person Date
Explanation of Responses:
( 1 )Pursuant to a plan in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934.
( 2 )The price of $88.6712 per share represents a weighted average of sales prices ranging from $88.40 to $88.99 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
( 3 )The price of $89.9621 per share represents a weighted average of sales prices ranging from $89.62 to $90.27 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
( 4 )Common stock purchase option granted under the Laboratory Corporation of America Holdings 2008 Stock Incentive Plan.
( 5 )The option vests in three equal annual installments beginning on the date reflected in this column.

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).

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