SEC Form 3
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
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person*
MORGENTHALER PARTNERS VI

(Last) (First) (Middle)
2710 SAND HILL ROAD
SUITE 100

(Street)
MENLO PARK CA 94025

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
08/07/2012
3. Issuer Name and Ticker or Trading Symbol
PEREGRINE SEMICONDUCTOR CORP [ PSMI ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
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 178,349 D (2)
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: 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
Series A1 Preferred Stock (1) (1) Common Stock 1,512,031 (1) D (2)
Series B1 Preferred Stock (1) (1) Common Stock 413,529 (1) D (2)
Series C1 Preferred Stock (1) (1) Common Stock 1,263,802 (1) D (2)
Series D1 Preferred Stock (1) (1) Common Stock 183,302 (1) D (2)
1. Name and Address of Reporting Person*
MORGENTHALER PARTNERS VI

(Last) (First) (Middle)
2710 SAND HILL ROAD
SUITE 100

(Street)
MENLO PARK CA 94025

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Morgenthaler Management Partners VI LLC

(Last) (First) (Middle)
50 PUBLIC SQUARE
SUITE 2700

(Street)
CLEVELAND OH 44113

(City) (State) (Zip)
Explanation of Responses:
1. Each share of the Series A1 Preferred Stock, Series B1 Preferred Stock, Series C1 Preferred Stock, and Series D1 Preferred Stock will automatically convert into one share of common stock upon the closing the Issuer's initial public offering, and has no expiration date.
2. Morgenthaler Management Partners VI, L.L.C., as the general partner of Morgenthaler Partners VI, L.P., beneficially owns the reported securities indirectly, but disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.
/s/ Jay Biskupski as Attorney-in-fact for Morgenthaler Management Partners VI, L.L.C. 08/07/2012
** 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 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).
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