1.	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Ithan Creek Master Investment Partnership (Cayman) II, L.P. 96-0643603
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ]
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5. SOLE VOTING POWER	0
		6. SHARED VOTING POWER	259,200
		7. SOLE DISPOSITIVE POWER	0
		8. SHARED DISPOSITIVE POWER	259,200
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 259,200
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.66%
12.	TYPE OF REPORTING PERSON PN

1.	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Wellington Hedge Management, LLC 04-3215301
2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ]
3.	SEC USE ONLY
4.	CITIZENSHIP OR PLACE OF ORGANIZATION Massachusetts
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5. SOLE VOTING POWER	0
		6. SHARED VOTING POWER	259,200
		7. SOLE DISPOSITIVE POWER	0
		8. SHARED DISPOSITIVE POWER	259,200
9.	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 259,200
10.	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]
11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 6.66%
12.	TYPE OF REPORTING PERSON CO

Item 1.
	(a)	Name of Issuer Eagle Bancorp Montana, Inc.
	(b)	Address of Issuer's Principal Executive Offices 1400 Prospect Avenue Helena, MT 59601
Item 2.
	(a)	Name of Person Filing This schedule is filed on behalf of Ithan Creek Master Investment Partnership (Cayman) II, L.P. (''Ithan Creek II''), a Cayman Islands limited partnership and Wellington Hedge Management, LLC (''WHML''), a Massachusetts limited liability company which is the sole general partner of Ithan Creek II.
	(b)	Address of Principal Business Office or, if None, Residence c/o Wellington Management Company, LLP 280 Congress Street Boston, MA 02210
	(c)	Citizenship Cayman Islands
	(d)	Title of Class of Securities Common Stock
	(e)	CUSIP Number 26942G100
Item 3.	If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:
	(a)	[ ]	Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o).
	(b)	[ ]	Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).
	(c)	[ ]	Insurance Company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c).
	(d)	[ ]	Investment Company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
	(e)	[ ]	An investment adviser in accordance with Rule 240.13d-1(b)(1)(ii)(E);
	(f)	[ ]	An employee benefit plan or endowment fund in accordance with Rule 240.13d-1(b)(1)(ii)(F);
	(g)	[ ]	A parent holding company or control person in accordance with Rule 240.13d-1(b)(1)(ii)(G);
	(h)	[ ]	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
	(i)	[ ]	A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
	(j)	[ ]	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(J).
		If this statement is filed pursuant to Rule 13d-1(c), check this box [X]
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:
		Ithan Creek II and WHML each may be deemed to beneficially own 259,200 shares of the Common Stock of the Issuer.
	(b)	Percent of Class:
		6.66%
	(c)	Number of shares as to which such person has:
		(i)	sole power to vote or to direct the vote	0
		(ii)	shared power to vote or to direct the vote	259,200
		(iii)	sole power to dispose or to direct the disposition of	0
		(iv)	shared power to dispose or to direct the disposition of	259,200
Item 5.	Ownership of Five Percent or Less of 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.
	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 acquired and are held in the ordinary course of business and 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

	By: Ithan Creek Master Investment Partnership (Cayman) II, L.P.
	By: Wellington Hedge Management, LLC Its General Partner
	By: /s/ Gregory S. Konzal
	--------------------------------------
	Name: Gregory S. Konzal
	Title: Vice President
	Date: February 14, 2012