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 * NAGARAJAN SUNDARAM   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) 02/10/2017 (Street) GLENVIEW, IL 60026 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               20,217 D

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

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option

$ 55.81

02/11/2012

02/11/2021

Common Stock

4,554

4,554

D

Employee Stock Option

$ 98.26

02/13/2016(1)

02/13/2025

Common Stock

21,056

21,056

D

Employee Stock Option

$ 78.59

02/14/2015(1)

02/14/2024

Common Stock

27,502

27,502

D

Employee Stock Option

$ 63.25

02/15/2014(1)

02/15/2023

Common Stock

37,301

37,301

D

Employee Stock Option

$ 91.88

02/12/2017(1)

02/12/2026

Common Stock

22,893

22,893

D

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

$ 0

(3)

(3)

Common Stock

4,988

4,988

D

Performance Restricted Stock Unit (granted 2/13/15) (2)

$ 0

(3)

(3)

Common Stock

4,410

4,410

D

Performance Restricted Stock Unit (granted 2/14/2014) (2)

$ 0

(3)

(3)

Common Stock

5,301

5,301

D

Employee Stock Option

$ 128

02/10/2017

A

26,556

02/10/2018(1)

02/10/2027

Common Stock

26,556

$ 0

$ 0

D

Performance Share Units (granted 2/10/17) (2)

$ 0

02/10/2017

A

2,783

(3)

(3)

Common Stock

2,783

$ 0

2,783

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
NAGARAJAN SUNDARAM ILLINOIS TOOL WORKS INC 155 HARLEM AVENUE GLENVIEW, IL 60026			Executive Vice President

Signatures

Sundaram Nagarajan by Janet O. Love, Deputy General Counsel & Assistant Secretary, Attorney-In-Fact POA on File		02/14/2017
**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)	Options vest in four (4) equal annual installments beginning one year from date of grant.
(2)	Each performance restricted stock unit (PRSU) and performance share unit (PSU) represents a contingent right to receive one share of the Company's common stock.
(3)	Each PRSU and PSU vests 100% three years from the date of grant if performance goals are met.

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.