FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person *   Li David H 2. Date of Event Requiring Statement (Month/Day/Year) 06/02/2008 3. Issuer Name and Ticker or Trading Symbol CABOT MICROELECTRONICS CORP [CCMP] (Last) (First) (Middle) C/O CABOT MICROELECTRONICS CORPORATION, 870 COMMONS DRIVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP, Asia Pacific Region 5. If Amendment, Date Original Filed(Month/Day/Year) 06/10/2008 (Street) AURORA, IL 60504 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock (1) 1,780 (1) D   Restricted Stock (1) 0 (1) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (Right to Buy)	05/01/2003(2)	05/01/2012	Common Stock	3,000 (5)	$ 49.8	D	Â
Stock Options (Right to Buy)	12/10/2005(3)	12/10/2014	Common Stock	1,250 (6)	$ 37.78	D	Â
Stock Options (Right to Buy)	12/09/2006(4)	12/09/2015	Common Stock	5,483 (7)	$ 30.51	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Li David H C/O CABOT MICROELECTRONICS CORPORATION 870 COMMONS DRIVE AURORA, IL 60504	Â	Â	  VP, Asia Pacific Region	Â

Signatures

/s/ H. Carol Bernstein (Power of Attorney)		03/15/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	This amendment is filed to correct the title of the Security from Restricted Stock to Common Stock and to correct the amounts previously reported.
(2)	Stock options subject to this grant is now fully vested.
(3)	Vesting Schedule: 25% 12/10/05, 25% 12/10/06, 25% 12/10/07, 25% 12/10/08.
(4)	Vesting Schedule: 25% 12/9/2006, 25% 12/9/2007, 25% 12/9/2008, 25% 12/9/2009.
(5)	This amendment is submitted to correct the number of Stock Options previously reported as 4,000 shares. The correct number is 3,000 shares.
(6)	This amendment is submitted to report the correct number of Stock Options previously reported as 2,500. The correct number is 1,250 shares.
(7)	This amendment is submitted to correct the number of Stock Options previously reported as 7,310. The correct number is 5,483 shares.

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