Amended Statement of Ownership (sc 13g/a)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

Sucampo Pharmaceuticals, Inc.

(Name of Issuer)

Class A common stock

(Title of Class of Securities)

864909106

(CUSIP Number)

April 30, 2015

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

¨ Rule 13d-1(c)

x Rule 13d-1(d)

*	The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP No. 864909106		13G		Page 2 of 5 Pages


1.	NAMES OF REPORTING PERSONS ORIX Corporation I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) 13-2792249
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions) (a) ¨ (b) x
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Tokyo, Japan
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5.	SOLE VOTING POWER 0
		6.	SHARED VOTING POWER 0
		7.	SOLE DISPOSITIVE POWER 0
		8.	SHARED DISPOSITIVE POWER 0
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions) ¨
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0
12.	TYPE OF REPORTING PERSON (see instructions) CO


CUSIP No. 864909106		13G		Page 3 of 5 Pages

Item 1.

(a)

Name of Issuer

Sucampo Pharmaceuticals, Inc.

(b)

Address of Issuer’s Principal Executive Offices

4520 East-West Highway, 3^rd Floor, Bethesda, MD 20814

Item 2.

(a)

Name of Person Filing

ORIX Corporation

(b)

Address of the Principal Office or, if none, residence

World Trade Center Bldg., 2-4-1, Hamamatsu-cho, Minato-ku, Tokyo, Japan 105-6135

(c)

Citizenship

Tokyo, Japan

(d)

Title of Class of Securities

Class A common stock

(e)

CUSIP Number

864909106

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

Not applicable.


CUSIP No. 864909106		13G		Page 4 of 5 Pages

Item 4.

Ownership.

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)

Amount beneficially owned: 0

(b)

Percent of class: 0

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote 0

(ii)

Shared power to vote or to direct the vote 0

(iii)

Sole power to dispose or to direct the disposition of 0

(iv)

Shared power to dispose or to direct the disposition of 0

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.

Not Applicable.


CUSIP No. 864909106		13G		Page 5 of 5 Pages

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.

Dated: June 18, 2015.