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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(Print or Type Responses)

1. Name and Address of Reporting Person * Schlitz Lei Zhang   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) 155 HARLEM AVE. 3. Date of Earliest Transaction (Month/Day/Year) 05/10/2016 (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 Common Stock 05/10/2016   S   500 D $ 105.45 (1) 92 D   Common Stock 05/10/2016   M   2,000 A $ 43.64 2,092 D   Common Stock 05/10/2016   S   2,000 D $ 104.42 92 D   Common Stock               3,968 I SEE FOOTNOTE (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Employee Stock Option

$ 43.64

05/10/2016

M

2,000

02/12/2011

02/12/2020

Common Stock

2,000

$ 0

0

D

Employee Stock Option

$ 55.81

02/11/2012

02/11/2021

Common Stock

16,207

16,207

D

Employee Stock Option

$ 78.59

02/14/2015(3)

02/14/2024

Common Stock

8,800

8,800

D

Employee Stock Option

$ 91.88

02/12/2017(3)

02/12/2026

Common Stock

13,736

13,736

D

Employee Stock Option

$ 63.25

02/15/2014(3)

02/15/2023

Common Stock

13,564

13,564

D

Employee Stock Option

$ 98.26

02/13/2016(3)

02/13/2025

Common Stock

6,478

6,478

D

Employee Stock Option

$ 55.71

02/10/2013

02/10/2022

Common Stock

17,422

17,422

D

Restricted Stock Unit (granted 02/13/15) (4)

$ 0

(5)

(5)

Common Stock

1,356

1,356

D

Restricted Stock Unit (granted 02/14/2014) (4)

$ 0

(5)

(5)

Common Stock

1,696

1,696

D

Performance Restricted Stock Unit (granted 2/12/2016) (6)

$ 0

(7)

(7)

Common Stock

2,993

2,993

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Schlitz Lei Zhang 155 HARLEM AVE. GLENVIEW, IL 60025			Executive Vice President

Signatures

Lei Zhang Schlitz, by Janet O. Love, Deputy General Counsel & Assistant Secretary, Attorney-In-Fact on File		05/12/2016
**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)	This transaction was executed at multiple prices ranging from $105.453 to $105.46. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, Illinois Tool Works Inc. or a shareholder of Illinois Tool Works Inc. full information regarding the number of shares and prices at which the transaction was effected.
(2)	Shares of common stock allocated to my account in the Illinois Tool Works Inc. Savings & Investment Plan--Information reported as of May 10, 2016.
(3)	Options vest in four (4) equal annual installments beginning one year from date of grant.
(4)	Each restricted stock unit (RSU) represents a contingent right to receive one share of the Company's common stock.
(5)	Each RSU vests 100% three years from the date of grant.
(6)	Each performance restricted stock unit (PRSU) represents a contingent right to receive one share of the Company's common stock.
(7)	Each PRSU vests 100% three years from date of grant if performance goals are met.

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