SEC FORM 4

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
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^*

SHANKS JAMES R

(Last)

(First)

(Middle)

200 N MILWAUKEE AVE

(Street)

VERNON HILLS

60061

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
CDW CORP [ CDWC ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President-CDWG

3. Date of Earliest Transaction (Month/Day/Year)
11/15/2004

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)
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	11/15/2004		M		3,125	A	$13.032	19,010.436	D
Common Stock, $.01 par value	11/15/2004		M		2,875	A	$23.985	21,885.436	D
Common Stock, $.01 par value	11/15/2004		M		23,534	A	$24.875	45,419.436	D
Common Stock, $.01 par value	11/16/2004		M		26,466	A	$24.875	71,885.436	D
Common Stock, $.01 par value	11/16/2004		M		1,100	A	$27.875	72,985.436	D
Common Stock, $.01 par value	11/16/2004		M		1,900	A	$33.375	74,885.436	D
Common Stock, $.01 par value	11/15/2004		S		5,300	D	$66.5	69,585.436	D
Common Stock, $.01 par value	11/15/2004		S		400	D	$66.51	69,185.436	D
Common Stock, $.01 par value	11/15/2004		S		100	D	$66.52	69,085.436	D
Common Stock, $.01 par value	11/15/2004		S		300	D	$66.54	68,785.436	D
Common Stock, $.01 par value	11/15/2004		S		1,600	D	$66.55	67,185.436	D
Common Stock, $.01 par value	11/15/2004		S		600	D	$66.56	66,585.436	D
Common Stock, $.01 par value	11/15/2004		S		300	D	$66.57	66,285.436	D
Common Stock, $.01 par value	11/15/2004		S		5,000	D	$66.58	61,285.436	D
Common Stock, $.01 par value	11/15/2004		S		900	D	$66.59	60,385.436	D
Common Stock, $.01 par value	11/15/2004		S		500	D	$66.6	59,885.436	D
Common Stock, $.01 par value	11/15/2004		S		7,395	D	$66.65	52,490.436	D
Common Stock, $.01 par value	11/15/2004		S		734	D	$66.66	51,756.436	D
Common Stock, $.01 par value	11/15/2004		S		771	D	$66.67	50,985.436	D
Common Stock, $.01 par value	11/15/2004		S		100	D	$66.68	50,885.436	D
Common Stock, $.01 par value	11/15/2004		S		1,000	D	$66.69	49,885.436	D
Common Stock, $.01 par value	11/15/2004		S		1,489	D	$66.7	48,396.436	D
Common Stock, $.01 par value	11/15/2004		S		1,000	D	$66.71	47,396.436	D
Common Stock, $.01 par value	11/15/2004		S		300	D	$66.72	47,096.436	D
Common Stock, $.01 par value	11/15/2004		S		1,745	D	$66.73	45,351.436	D
Common Stock, $.01 par value	11/16/2004		S		1,324	D	$65.36	44,027.436	D
Common Stock, $.01 par value	11/16/2004		S		100	D	$65.38	43,927.436	D
Common Stock, $.01 par value	11/16/2004		S		100	D	$65.42	43,827.436	D
Common Stock, $.01 par value	11/16/2004		S		100	D	$65.43	43,727.436⁽¹⁾⁽²⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Options (Right to buy)	$13.032	11/15/2004		M			3,125	12/31/2000	12/31/2017	Common stock, $.01 par value	3,125	$0	12,500	D
Stock Options (Right to buy)	$23.985	11/15/2004		M			2,875	12/31/2001	12/31/2018	Common stock, $.01 par value	2,875	$0	14,375	D
Stock Options (Right to buy)	$24.875	11/15/2004		M			23,534	10/08/2002	10/08/2019	Common stock, $.01 par value	23,534	$0	276,466	D
Stock Options (Right to buy)	$24.875	11/16/2004		M			26,466	10/08/2002	10/08/2019	Common stock, $.01 par value	26,466	$0	250,000	D
Stock Options (Right to buy)	$27.875	11/16/2004		M			1,100	12/31/2003	12/31/2020	Common stock, $.01 par value	1,100	$0	4,400	D
Stock Options (Right to buy)	$33.375	11/16/2004		M			1,900	03/12/2002	03/12/2021	Common stock, $.01 par value	1,900	$0	3,800	D

Explanation of Responses:

1. The reporting person also engaged in several additional sales of Common Stock, $.01 par value on 11/16/2004, as listed: 101 shares at $65.47 per share, 100 shares at $65.49 per share, 4,141 shares at $65.51 per share, 310 shares at $65.55 per share, 800 shares at $65.56 per share, 749 shares at $65.57 per share, 400 shares at $65.58 per share, 200 shares at $65.61, 300 shares at $65.62, 500 shares at $65.63 per share, 100 shares at $65.64 per share, 300 shares at $65.66, 200 shares at $65.67 per share, 200 shares at $65.71, 700 shares at $65.72, 100 shares at $65.73, 200 shares at $65.75, 500 shares at $65.76, 700 shares at $65.78, 100 shares at $65.79, 700 shares at $65.80, 100 shares at $65.81, 200 shares at $65.83, 5,000 shares at $65.84, 200 shares at $65.85, 245 shares at $65.86, 4,900 shares at $66.01, 500 shares at $66.02, 100 shares at $66.07, 100 shares at $66.08, 100 shares at $66.13, 300 shares at $66.14, 500 shares at $66.15, 100 shares at $66.17, 200 shares at $66.21,

2. 100 shares at $66.22, 600 shares at $66.25, 100 shares at $66.26, 300 shares at $66.27, 400 shares at $66.28, 100 shares at $66.30, 100 shares at $66.35, 100 shares at $66.38, 100 shares at $66.39, 500 shares at $66.43, 100 shares at $66.44, 100 shares at $66.45, 100 shares at $66.47, 300 shares at $66.48, 200 shares at $66.49 and 696 shares at $66.50. The transaction code applicable to each sale is "S". The amount of securities beneficially owned following these reported transactions are 15,885.436.

Remarks:

	Robert J. Welyki, Attorney-in-fact	11/17/2004
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.