Ownership Submission
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 *
BROUILLARD RHEO A
  2. Issuer Name and Ticker or Trading Symbol
SI Financial Group, Inc. [SIFI]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and CEO
(Last)
(First)
(Middle)
803 MAIN STREET
3. Date of Earliest Transaction (Month/Day/Year)
08/31/2017
(Street)

WILLIMANTIC, CT 06226
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 08/31/2017   S   707 D $ 14.5 66,126 D  
Common Stock 08/31/2017   S   3,043 D $ 14.6 63,083 D  
Common Stock 08/31/2017   S   183 D $ 14.65 62,900 D  
Common Stock 09/01/2017   S   656 D $ 14.5 62,244 D  
Common Stock 09/01/2017   S   769 D $ 14.55 61,475 D  
Common Stock 09/01/2017   S   600 D $ 14.6 60,875 D  
Common Stock 09/01/2017   S   100 D $ 14.6375 60,775 D  
Common Stock 09/01/2017   S   575 D $ 14.65 60,200 D  
Common Stock 09/01/2017   S   100 D $ 14.675 60,100 D  
Common Stock 09/01/2017   S   200 D $ 14.7 59,900 D  
Common Stock               19,138 I By 401(k)
Common Stock               11,861 I By ESOP
Common Stock               4,699 I By IRA
Common Stock               898 I By Spouse
Common Stock               2,659 I By Spouse's IRA
Common Stock               3,333 I By Stock Award II (1)

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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
Stock Options $ 5.68             02/24/2011 02/24/2020 Common Stock 5,663 (2)   5,663 (2) D  
Stock Options $ 9.4             02/16/2012 02/16/2021 Common Stock 10,000 (2)   10,000 (2) D  
Stock Options $ 11.01             10/24/2013 10/24/2022 Common Stock 50,000 (3)   50,000 (3) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BROUILLARD RHEO A
803 MAIN STREET
WILLIMANTIC, CT 06226
  X     President and CEO  

Signatures

 /s/ Rheo A. Brouillard   09/05/2017
**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) Stock Awards granted pursuant to the SI Financial Group, Inc. 2012 Equity Incentive Plan vest in three equal annual installments commencing on September 23, 2015.
(2) Stock Options are fully vested and exercisable.
(3) Stock Options granted pursuant to the SI Financial Group, Inc. 2012 Equity Incentive Plan vest in five equal annual installments commencing on October 24, 2013.

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