UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 26, 2017

MICROSEMI CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	0-8866	95-2110371
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

One Enterprise, Aliso Viejo, California	92656
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code

(949) 380-6100

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company   ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.   ☐

INFORMATION TO BE INCLUDED IN THE REPORT

Item 2.02 Results of Operations and Financial Condition.

On July 27, 2017, Microsemi Corporation issued a press release reporting its third quarter results, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 8.01 Other Events.

On July 26, 2017, Microsemi’s Board of Directors authorized a stock repurchase program for the repurchase of up to $250.0 million of the Company's common stock before July 31, 2019. Repurchases under this authorization may be made in the open market or through privately negotiated transactions and may also be made under a Rule 10b5-1 plan. On July 27, 2017, Microsemi Corporation issued a press release announcing the new stock repurchase program, a copy of which is attached hereto as Exhibit 99.2 and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.	Description
99.1	Press release dated July 27, 2017, reporting third quarter results
99.2	Press release dated July 27, 2017, announcing stock repurchase program

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	MICROSEMI CORPORATION (Registrant)
Date: July 27, 2017	By:	/s/ John W. Hohener
		John W. Hohener Executive Vice President, Chief Financial Officer, and Treasurer

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press release dated July 27, 2017, reporting third quarter results
99.2	Press release dated July 27, 2017, announcing stock repurchase program