Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  UNITED THERAPEUTICS Corp
 2. Date of Event Requiring Statement (Month/Day/Year)
04/29/2018		 3. Issuer Name and Ticker or Trading Symbol
SteadyMed Ltd. [STDY]
(Last)
(First)
(Middle)
1040 SPRING STREET		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SILVER SPRING, MD 20910		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Ordinary Shares 0 (1) (2) (3)
D (1) (2) (3)
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
UNITED THERAPEUTICS Corp
1040 SPRING STREET
SILVER SPRING, MD 20910		     X    

Signatures

/s/ Paul A. Mahon, EVP, General Counsel and Corporate Secretary, United Therapeutics Corporation 05/07/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) United Therapeutics Corporation ("United Therapeutics") is deemed to have beneficial ownership over the 11,517,741 shares of the Issuer held by OrbiMed Private Investments VI, L.P., OrbiMed Israel Partners II L.P., Brian Stark and Keith Bank (collectively, the "SteadyMed Shareholders", and such held shares, "SteadyMed Held Shares"), as a result of entering into those certain Voting Agreements, dated as of April 29, 2018, with each of the SteadyMed Shareholders, pursuant to which, in part, the SteadyMed Shareholders agreed to support the transactions contemplated by the Merger Agreement (as defined below) (the "Transactions"), including the Merger (as defined below), by voting all SteadyMed Held Shares in favor of the Transactions. The SteadyMed Shareholders also agreed not to enter into any voting agreement or voting trust or grant a proxy which is inconsistent with its obligations to vote in favor of the Transactions. (Continued in Footnote 2)
(2) On April 29, 2018, an Agreement and Plan of Merger (the "Merger Agreement") was entered into by and among United Therapeutics, the Issuer and Daniel 24043 Acquisition Corp., a wholly owned subsidiary of United Therapeutics ("Merger Sub"). Pursuant to the Merger Agreement, Merger Sub will merge with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a subsidiary of United Therapeutics.
(3) United Therapeutics does not have any pecuniary interest in any of the SteadyMed Held Shares and expressly disclaims beneficial ownership over the SteadyMed Held Share.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.