REPH Recro Pharma Inc

      CUSIP No.                 75629F109

          1.Names of Reporting Persons.

             Laurence W.Lytton

2. Check the Appropriate Box if a Member of a Group (See Instructions)

a)..........................................................................

(b)..........................................................................

      3.SEC Use Only

      4.Citizenship or Place of Organization

                USA

      5.Sole Voting Power         859,281

      6.Shared Voting Power       18,700

      7.Sole Dispositive Power    859,281
      8.Shared Dispositive Power   18,700


      9.Aggregate Amount Beneficially Owned by Each Reporting
      Person
                        877,981

      10.Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions).................................


      11.Percent of Class Represented by Amount in Row (9)

                  4.6% (1)

        (1) Based on 19,123,935 shares outstanding As of November 7, 2017
            as reported in the Sept 30, 2017 10-Q.

      12.Type of Reporting Person (See Instructions)

                        IN

            Item 1.

      (a)Name of Issuer         Recro Pharma, Inc.


      (b)Address of Issuer's Principal Executive Offices

                        490 Lapp Road, Malvern,
                        Pennsylvania 19355


              Item 2.

      (a)Name of Person Filing  Laurence W. Lytton

      (b)Address of Principal Business Office or, if none, Residence

                467 CPW
                N.Y., NY  10025

      (c)Citizenship                    USA

      (d)Title of Class of Securities   Common

      (e)CUSIP Number                   75629F109

      Item 3.   not applicable


      Item 4.Ownership.

      (a)Amount beneficially owned:      877,981 consisting of
        636,106 shares held by the reporting person, 65,763 held in
        the AWL Family LLC, 66,759 held in the IKL Trust, 53,162 held
        in the KLL Family Trust, 32,391 held in the L-K Foundation,
        and 23,800 shares held in other related accounts.

      (b)Percent of class:   4.6%

      (c)Number of shares as to which the person has:

      (i)Sole power to vote or to direct the vote       859,281

      (ii)Shared power to vote or to direct the vote       18,700

      (iii)Sole power to dispose or to direct the disposition of    859,281

      (iv)Shared power to dispose or to direct the disposition of      18,700


      Item 5.Ownership of Five Percent or Less of a Class:
        If this statement is being filed to report the fact that as of the
        date hereof the reporting person has ceased to be the beneficial
        owner of more than 5 percent of the class of securities, check the
        following (X).


      Item 6.Ownership of More than Five Percent on Behalf of Another Person.

                        Not applicable

      Item 7.Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on By the Parent Holding Company

                        Not applicable

      Item 8.Identification and Classification of Members of the Group

                        Not applicable

      Item 9.Notice of Dissolution of Group

                        Not applicable

      Item 10.Certification

      By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held
for the purpose of or with the effect of changing or influencing the control
of the issuer of the securities and were not acquired and are not held
in connection with or as a participant in any transaction having that
purpose or effect.


SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete
and correct.
      ___2/14/18____________________________
      Date
      ____s/ Laurence W. Lytton____________________________
      Signature
      _____Laurence W. Lytton___________________________
      Name/Title