SEC Form 4
FORM 4 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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
GENTILE JAMES H

(Last) (First) (Middle)
2381 MORSE AVENUE

(Street)
IRVINE CA 92614

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
MICROSEMI CORP [ MSCC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Vice President-Worldwide Sales
3. Date of Earliest Transaction (Month/Day/Year)
12/15/2004
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. 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) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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
Microsemi Common Stock 12/15/2004 F 2,500 D $17.88 0 D
Microsemi Common Stock ( 1 ) 12/15/2004 M 5,000 A $1.8125 5,000 D
Microsemi Common Stock ( 1 ) 12/15/2004 M 2,964 A $5.7188 7,964 D
Microsemi Common Stock ( 1 ) 12/15/2004 M 6,000 A $3.115 13,964 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 (Month/Day/Year) 3A. Deemed Execution Date, if any (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 Securities Underlying Derivative Security (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: 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
ISOOption to Buy Common Stock ( 1 ) $1.8125 12/15/2004 M 5,000 08/30/2000 08/30/2009 Common Stock 5,000 $1.8125 132,000 D
ISO Option to Buy Common Stock ( 1 ) $5.7188 12/15/2004 M 2,964 03/12/2002 03/12/2011 Common Stock 2,964 $5.7188 129,036 D
ISO Option to Buy Common Stock ( 1 ) $3.115 12/15/2004 M 6,000 11/26/2003 11/26/2012 Common Stock 6,000 $3.115 123,036 D
Explanation of Responses:
1. This incentive stock option was grated pursuant to Microsemi Corporation's 1987 Stock Plan, which satisfies the requirements of Rule 16b-3. The option becomes exercisable in four equal installments, commencing one year after the date of the grant.
Debbie Weber, Attorney-In-Fact for James H. Gentile 12/17/2004
** Signature of Reporting Person Date
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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