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 * KOHN THOMAS W   2. Issuer Name and Ticker or Trading Symbol CHEMICAL FINANCIAL CORP [CHFC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Officer of Principal Bus. Unit (Last) (First) (Middle) 235 E. MAIN STREET 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2017 (Street) MIDLAND, MI 48640 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 03/01/2017   M   6,626 (1) A $ 0 51,418 D   Common Stock 03/01/2017   F   3,062 (2) D $ 54.81 48,356 D   Common Stock               2.033 I (3) By wife Common Stock               8,032 I (3) By wife in trust

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

Restricted Stock Performance Units

(1)

03/01/2017

M

4,417 (1)

(1)

(1)

Common Stock

6,626 (1)

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
KOHN THOMAS W 235 E. MAIN STREET MIDLAND, MI 48640				Officer of Principal Bus. Unit

Signatures

/s/ Lori A. Gwizdala, His Attorney-in-Fact		03/02/2017
**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)	Restricted stock units converted into shares of common stock upon the attainment by the Company of certain financial performance criteria upon completion of the year ended December 31, 2016 and the reporting person's satisfaction of the service requirement as of March 1, 2017. Each restricted stock unit was converted to 1.5 shares of common stock, as performance targets were achieved at the maximum level.
(2)	Shares withheld to satisfy applicable withholding taxes in connection with conversion of restricted stock units.
(3)	The reporting person disclaims any beneficial ownership of all shares owned by his wife. The filing of this statement shall not be construed as an admission that the reporting person is, for purposes of Section 16 of the Exchange Act of 1934 or for any other purpose, the beneficial owner of the securities owned by his wife.

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