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^*

WIENS HAROLD J

(Last)

(First)

(Middle)

(Street)

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
3M CO [ MMM ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
EXEC VP INDUSTRIAL

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2004

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	05/06/2004		M		4,790	A	$46.675	40,529	D
Common Stock	05/06/2004		F		2,636	D	$84.79	37,893	D
Common Stock	05/06/2004		F		704	D	$84.79	37,189	D
Common Stock	05/06/2004		M		43,096	A	$47.5	80,285	D
Common Stock	05/06/2004		F		24,142	D	$84.79	56,143	D
Common Stock	05/06/2004		F		6,197	D	$84.79	49,946	D
Common Stock	05/06/2004		M		710	A	$48.4	50,656	D
Common Stock	05/06/2004		F		405	D	$84.79	50,251	D
Common Stock	05/06/2004		F		99	D	$84.79	50,152	D
Common Stock	05/06/2004		M		4,812	A	$48.4	54,964	D
Common Stock	05/06/2004		F		2,746	D	$84.79	52,218	D
Common Stock	05/06/2004		F		675	D	$84.79	51,543	D
Common Stock	05/06/2004		M		732	A	$48.4	52,275	D
Common Stock	05/06/2004		F		417	D	$84.79	51,858	D
Common Stock	05/06/2004		F		102	D	$84.79	51,756	D
Common Stock	05/06/2004		M		5,396	A	$47.475	57,152	D
Common Stock	05/06/2004		F		3,021	D	$84.79	54,131	D
Common Stock	05/06/2004		F		776	D	$84.79	53,355	D
Common Stock	05/06/2004		M		526	A	$47.475	53,881	D
Common Stock	05/06/2004		F		294	D	$84.79	53,587	D
Common Stock	05/06/2004		F		75	D	$84.79	53,512	D
Common Stock	05/06/2004		M		468	A	$58.625	53,980	D
Common Stock	05/06/2004		F		323	D	$84.79	53,657	D
Common Stock⁽¹⁾	05/06/2004		F		47	D	$84.79	53,610	D
Common Stock								1,884	I	by 401k/PAESOP Trust

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)
Non-Qualified Stock Option (right to buy)	$46.675	05/06/2004		M			4,790	05/12/1999	05/12/2008	Common Stock	4,790	$0	0	D
Non-Qualified Stock Option (right to buy)	$47.475	05/06/2004		M			5,396	05/02/2001	05/14/2006	Common Stock	5,396	$0	0	D
Non-Qualified Stock Option (right to buy)	$47.475	05/06/2004		M			526	05/02/2001	05/13/2007	Common Stock	526	$0	0	D
Non-Qualified Stock Option (right to buy)	$47.5	05/06/2004		M			43,096	05/11/2000	05/10/2009	Common Stock	43,096	$0	0	D
Non-Qualified Stock Option (right to buy)	$48.4	05/06/2004		M			710	08/14/2000	05/07/2004	Common Stock	710	$0	0	D
Non-Qualified Stock Option (right to buy)	$48.4	05/06/2004		M			4,812	08/14/2000	05/06/2005	Common Stock	4,812	$0	0	D
Non-Qualified Stock Option (right to buy)	$48.4	05/06/2004		M			732	08/14/2000	05/12/2006	Common Stock	732	$0	0	D
Non-Qualified Stock Option (right to buy)	$58.625	05/06/2004		M			468	11/07/2001	05/13/2007	Common Stock	468	$0	6,210	D
Non-Qualified Stock Option (right to buy)	$84.8	05/06/2004		A		3,421		11/06/2004	05/06/2005	Common Stock	3,421	$0	3,421	D
Non-Qualified Stock Option (right to buy)	$84.8	05/06/2004		A		3,797		11/06/2004	05/12/2006	Common Stock	3,797	$0	3,797	D
Non-Qualified Stock Option (right to buy)	$84.8	05/06/2004		A		519		11/06/2004	05/12/2006	Common Stock	519	$0	4,316	D
Non-Qualified Stock Option (right to buy)	$84.8	05/06/2004		A		369		11/06/2004	05/11/2007	Common Stock	369	$0	369	D
Non-Qualified Stock Option (right to buy)	$84.8	05/06/2004		A		370		11/06/2004	05/11/2007	Common Stock	370	$0	739	D
Non-Qualified Stock Option (right to buy)	$84.8	05/06/2004		A		3,340		11/06/2004	05/12/2008	Common Stock	3,340	$0	3,340	D
Non-Qualified Stock Option (right to buy)	$84.8	05/06/2004		A		30,339		11/06/2004	05/11/2009	Common Stock	30,339	$0	30,339	D

Explanation of Responses:

1. The indirectly-held common stock holding (401k/PAESOP) reported in Table I includes shares acquired during the fiscal year pursuant to the 3M Voluntary Investment Plan. The directly-held common stock holding reported in Table I includes shares acquired pursuant to 3M's Dividend Reinvestment Program in transactions exempt from Section 16; this total also includes shares acquired during the fiscal year pursuant to 3M's General Employee Stock Purchase Plan.

	Harold James Wiens	05/06/2004
	** 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.
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