Sec Form 4 Filing - Tullman Stephen A. @ Aclaris Therapeutics, Inc. - 2016-09-15

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 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 Tullman Stephen A. 2. Issuer Name and Ticker or Trading Symbol Aclaris Therapeutics, Inc. [ ACRS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ACLARIS THERAPEUTICS, INC., 101 LINDENWOOD DRIVE, SUITE 400 3. Date of Earliest Transaction (MM/DD/YY) 09/15/2016 (Street) MALVERN, PA19355 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 09/15/2016 J( 1 ) 521,739 D $ 0 0 I By NeXeption, LLC ( 1 ) Common Stock 09/15/2016 J( 1 ) 116,999 A $ 0 116,999 D Common Stock 09/15/2016 J( 1 ) 144,153 A $ 0 144,153 I By NST, LLC ( 2 ) Common Stock 09/15/2016 J( 3 ) 50,002 D $ 0 94,151 I By NST, LLC ( 2 ) Common Stock 09/15/2016 J( 3 ) 4,790 A $ 0 121,789 D Common Stock 394,014 I By Trust ( 4 )

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 Ex ercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Tullman Stephen A. C/O ACLARIS THERAPEUTICS, INC. 101 LINDENWOOD DRIVE, SUITE 400 MALVERN, PA19355 X Signatures /s/ Brian F. Leaf, Attorney-in-fact 09/19/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Liquidating distribution by NeXeption, LLC, of which the reporting person is a member, in accordance with NeXeption, LLC's Limited Liability Company Operating Agreement. The reporting person was also the sole Manager of NeXeption, LLC prior to its liquidation. In prior reports, the reporting person reported beneficial ownership of 521,739 shares of the issuer's common stock held by NeXeption, LLC. The reporting person disclaims beneficial ownership of the shares held by NeXeption, LLC except to the extent of his pecuniary interest therein. ( 2 )These shares are held by NST, LLC of which the reporting person is a member and the sole Manager. The reporting person has sole voting and dispositive power over the shares held by NST, LLC. The reporting person disclaims beneficial ownership over the shares held by NST, LLC except to the extent of his pecuniary interest therein. ( 3 )Pro rata distribution by NST, LLC, of which the reporting person is a member, in accordance with NST, LLC's Limited Liability Company Operating Agreement. NST, LLC received 144,153 shares of the issuer's common stock as a liquidating distribution from NeXeption, LLC described in footnotes (1) and (2) above and immediately distributed 50,002 of the shares on a pro rata basis to its members. ( 4 )These shares are held by the 2007 Irrevocable Trust of Stephen A. Tullman, for which the reporting person's spouse serves as the trustee.

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