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 * Tolmachev Oleg E   2. Issuer Name and Ticker or Trading Symbol Eclipse Resources Corp [ECR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP & COO (Last) (First) (Middle) 2121 OLD GATESBURG ROAD, SUITE 110 3. Date of Earliest Transaction (Month/Day/Year) 02/23/2017 (Street) STATE COLLEGE, PA 16803 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 02/23/2017   F   5,060 (1) D $ 2.22 229,670 D   Common Stock 02/24/2017   F   44,344 (2) D $ 2.23 185,326 D   Common Stock (3) 02/24/2017   A   288,954 A $ 2.15 474,279 D   Common Stock (4) 02/24/2017   A   14,651 A $ 2.15 488,930 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

Performance Stock Units (5)

(5)

02/24/2017

A

288,953

(5)

(5)

Common Stock

228,953

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Tolmachev Oleg E 2121 OLD GATESBURG ROAD SUITE 110 STATE COLLEGE, PA 16803			EVP & COO

Signatures

/s/ Oleg E. Tolmachev		02/27/2017
**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)	Represents shares withheld to satisfy tax obligations upon the vesting restricted stock units for an award that the reporting person was granted on February 23, 2015 in the amount of 42,412 restricted stock units under the Company's 2014 Long Term Incentive Plan, with each unit representing the right to receive one share of the issuer's common stock. The total shares underlying the restricted stock units vested 33.33% on February 23, 2016 and 33.33% on February 23, 2017, respectively. The remaining restricted stock units will vest 33.33% on February 23, 2018.
(2)	Represents shares withheld to satisfy tax obligations upon the vesting of restricted stock units for an award that the reporting person was granted on February 25, 2016 in the amount of 143,113 restricted stock units under the Company's 2014 Long Term Incentive Plan, with each unit representing the right to receive one share of the issuer's common stock.
(3)	Represents restricted stock units representing the right to receive one share of common stock per unit granted on February 24, 2017 under the Company's 2014 Long-Term Incentive Plan, which vest in three equal installments of 33.33%, 33.33% and 33.33% on February 24, 2018, February 24, 2019 and February 24, 2020, respectively.
(4)	On February 24, 2017, the reporting person was granted 14,651 restricted stock units, with each unit representing the right to receive one share of the issuer's common stock. The restricted stock units will vest in full at 11:59 p.m. Eastern Standard Time on February 23, 2018.
(5)	Represents performance stock units representing the right to receive one share of common stock per unit granted on February 24, 2017 under the Company's 2014 Long-Term Incentive Plan, the vesting of which is subject to the satisfaction of certain performance criteria in the period beginning January 1, 2017 and ending on December 31, 2019.

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