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

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1. Name and Address of Reporting Person * Zimmerman Michael R.   2. Issuer Name and Ticker or Trading Symbol ILLINOIS TOOL WORKS INC [ITW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) ILLINOIS TOOL WORKS INC., 155 HARLEM AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 02/10/2015 (Street) GLENVIEW, IL 60025 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) Code V Amount (A) or (D) Price Commom Stock 02/10/2015   M   1,239 A $ 0 (1) 1,239 D   Commom Stock 02/10/2015   F   422 D $ 97.05 817 D

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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

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Stock Unit (granted 02/10/2012) (1)

$ 0

02/10/2015

M

1,239

(2)

(2)

Common Stock

1,239

$ 0

0

D

Employee Stock Option

$ 55.71

02/10/2013(3)

02/10/2022

Common Stock

10,017

10,017

D

Employee Stock Option

$ 63.25

02/15/2014(3)

02/14/2023

Common Stock

9,325

9,325

D

Employee Stock Option

$ 78.59

02/14/2015(3)

02/14/2024

Common Stock

6,600

6,600

D

Employee Stock Option

$ 55.81

02/11/2012(3)

02/11/2021

Common Stock

9,238

9,238

D

Employee Stock Option

$ 48.51

02/08/2009

02/08/2018

Common Stock

2,000

2,000

D

Employee Stock Option

$ 51.6

02/09/2008

02/09/2017

Common Stock

1,000

1,000

D

Restricted Stock Unit (granted 02/14/2014) (1)

$ 0

(2)

(2)

Common Stock

1,272

1,272

D

Restricted Stock Unit (granted 2/15/2013) (1)

$ 0

(2)

(2)

Common Stock

1,449

1,449

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Zimmerman Michael R. ILLINOIS TOOL WORKS INC. 155 HARLEM AVENUE GLENVIEW, IL 60025			Executive Vice President

Signatures

Michael R. Zimmerman, by Maria C. Green, Senior Vice President, General Counsel & Secretary, Attorney-In-Fact on File		02/12/2015
**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)	Each restricted stock unit (RSU) represents a contingent right to receive one share of the Company's common stock.
(2)	Each RSU vests 100% three years from the date of grant
(3)	Options vest in four (4) equal annual installments beginning one year from date of grant.

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