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 five percent of the class of securities, check the following [ ].
?
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 or Control Person.
Not applicable
Item 8.
Identification and Classification of Members of the Group.
Not applicable
Item 9.
Notice of Dissolution of Group.
Not applicable
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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.
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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.
February 29, 2016
(Date)
Sabby Healthcare Master Fund, Ltd.
By: /s/ Harry Thompson
Name: Harry Thompson
Title: Authorized Person of TDF Management Ltd.,
a Director
Sabby Volatility Warrant Master Fund, Ltd.
By: /s/ Harry Thompson
Name: Harry Thompson
Title: Authorized Person of TDF Management Ltd.,
a Director
Sabby Management, LLC*
By: /s/ Robert Grundstein
Name: Robert Grundstein
Title: Chief Operating Officer
/s/ Hal Mintz*
Hal Mintz
*This Reporting Person disclaims beneficial ownership over the securities
reported herein except to the extent of its pecuniary interest therein.
The original statement shall be signed by each person on whose behalf the
statement is filed or his authorized representative. If the statement is
signed on behalf of a person by his authorized representative other than an
executive officer or general partner of the filing person, evidence of the
representative’s authority to sign on behalf of such person shall be filed
with the statement, provided, however, that a power of attorney for this
purpose which is already on file with the Commission may be incorporated by
reference. The name and any title of each person who signs the statement
shall be typed or printed beneath his signature.
Note. Schedules filed in paper format shall include a signed original and
five copies of the schedule, including all exhibits. See s.240.13d-7 for
other parties for whom copies are to be sent.
Attention. Intentional misstatements or omissions of fact constitute
Federal criminal violations (see 18 U.S.C. 1001).
EXHIBIT 1
———-
JOINT FILING AGREEMENT
The undersigned hereby agree that this Statement on Schedule 13G with
respect to the beneficial ownership of shares of Common Stock of Rexahn
Pharmaceuticals, Inc. is filed jointly, on behalf of each of them.
Dated: February 29, 2016
Sabby Healthcare Master Fund, Ltd.
By: /s/ Harry Thompson
Name: Harry Thompson
Title: Authorized Person of TDF Management
Ltd., a Director
Sabby Volatility Warrant Master Fund, Ltd.
By: /s/ Harry Thompson
Name: Harry Thompson
Title: Authorized Person of TDF Management
Ltd., a Director
Sabby Management, LLC
By: /s/ Robert Grundstein
Name: Robert Grundstein
Title: Chief Operating Officer
/s/ Hal Mintz
Hal Mintz