Edgar Filing: NUSSBAUM JOHN L

Ownership Submission

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 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

OMB APPROVAL

OMB Number:

3235-0287

Expires:

January 31, 2005

Estimated average burden hours per response...

0.5

(Print or Type Responses)

1. Name and Address of Reporting Person ^*

NUSSBAUM JOHN L

2. Issuer Name and Ticker or Trading Symbol
PLEXUS CORP [PLXS]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

__X__ Director	_____ 10% Owner
_____ Officer (give title below)	__X__ Other (specify below)
Chairman of the Board

(Last)

(First)

(Middle)

55 JEWELERS PARK DRIVE

3. Date of Earliest Transaction (Month/Day/Year)
02/14/2006

(Street)

NEENAH, WI 54956

4. If Amendment, Date 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

(City)

(State)

(Zip)

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)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, $.01 par value	02/14/2006		S		2,500	D	$ 30.09	188,710	D ⁽¹⁾
Common Stock, $.01 par value								7,841	I	401(k) ⁽²⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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 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

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Option to buy ⁽³⁾

$ 15.125

04/21/2000

04/21/2009

Common Stock

20,058

Option to buy ⁽³⁾

$ 35.5469

04/24/2001

04/24/2010

Common Stock

40,000

Option to buy ⁽³⁾

$ 23.55

04/06/2002

04/06/2011

Common Stock

30,000

Option to buy ⁽³⁾

$ 25.285

04/22/2003

04/22/2012

Common Stock

100,000

Option to buy ⁽³⁾

$ 8.975

07/30/2003

01/30/2013

Common Stock

3,000

Option to buy ⁽³⁾

$ 18.125

06/01/2004

12/01/2013

Common Stock

6,000

Option to buy ⁽³⁾

$ 14.055

06/01/2005

12/01/2014

Common Stock

6,000

Option to buy ⁽³⁾

$ 22.04

12/01/2005

12/01/2015

Common Stock

10,000

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
NUSSBAUM JOHN L 55 JEWELERS PARK DRIVE NEENAH, WI 54956	X			Chairman of the Board

Signatures

John L. Nussbaum, by Joseph D. Kaufman, Attorney-in-Fact		02/14/2006
^**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Shares of Plexus Corp. common stock held in the John L. and Sandra K. Nussbaum Revocable Trust.
(2)	Shares of Plexus Corp. common stock held in the Plexus Corp. Employee Stock Savings Plan, as of December 31, 2005, the last date of a statement from the Plan's Trustee.
(3)	Options granted under the Plexus Corp. 1998 Stock Option Plan, or a predecessor plan, or the 1995 Director's Stock Option Plan or the 2005 Equity Incentive Plan, which qualifies under Rule 16b-3.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.