UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13G/A


Under the Securities Exchange Act of 1934
(Amendment No. 4)*



Argan, Inc.
(Name of Issuer)

Common Stock, $0.15 par value
(Title of Class of Securities)

04010E109
(CUSIP Number)

5/31/09
(Date of Event Which Requires Filing of this Statement)

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

[X] Rule 13d-1(b)
[  ] Rule 13d-1(c)
[  ] Rule 13d-1(d)

Check the following box if a fee is being paid with this statement [ ].  A fee
is not required only if the filing person: (1) has a previous statement on file
reporting  beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
there to reporting beneficial  ownership of five percent or less of such class.
(See Rule 13d-7).

* 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
the disclosures provided in a prior cover page.

The information required in 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).

1.	NAME OF REPORTING PERSONS.  I.R.S. IDENTIFICATION NOS.
	OF ABOVE PERSONS (ENTITIES ONLY)

	Brown Advisory Holdings Incorporated ("BAHI")

2. 	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a) [ ]
	(b) [ ]

3. 	SEC USE ONLY

4. 	CITIZENSHIP OR PLACE OF ORGANIZATION

	BAHI is a Maryland Corporation.


			5 SOLE VOTING POWER		                    0 shares
NUMBER OF
SHARES
BENEFICIALLY		6 SHARED VOTING POWER	          	 	    0 shares
OWNED BY
EACH
REPORTING		7 SOLE DISPOSITIVE POWER			    0 shares
PERSON WITH

			8 SHARED DISPOSITIVE POWER	               4133000 shares


9. 	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	4133000 shares

10. 	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
	SHARES [   ]

11. 	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

	30.4%

12. 	TYPE OF REPORTING PERSON

        BAHI - HC


1.	NAME OF REPORTING PERSONS.  I.R.S. IDENTIFICATION NOS.
	OF ABOVE PERSONS (ENTITIES ONLY)

	NSB Advisors LLC

2. 	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a) [ ]
	(b) [ ]

3. 	SEC USE ONLY

4. 	CITIZENSHIP OR PLACE OF ORGANIZATION

	NSB Advisors LLC is a MD LLC


			5 SOLE VOTING POWER		                    0 shares
NUMBER OF
SHARES
BENEFICIALLY		6 SHARED VOTING POWER	          	 	    0 shares
OWNED BY
EACH
REPORTING		7 SOLE DISPOSITIVE POWER			    0 shares
PERSON WITH

			8 SHARED DISPOSITIVE POWER	               4133000 shares


9. 	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

	4133000 shares

10. 	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
	SHARES [   ]

11. 	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

	30.4%

12. 	TYPE OF REPORTING PERSON

        NSB Advisors LLC - IA



Item 1(a). 	Name of Issuer:

Argan, Inc.

Item 1(b). 	Address of Issuer's Principal Executive Offices:

One Church Street, Suite 401,
Rockville Maryland 20850

Item 2(a). 	Name of Person Filing:

BCHI

Item 2(b).	Address of Principal Business Office:

901 South Bond Street, Suite 400
Baltimore, Maryland 21231

Item 2(c). 	Citizenship:

BCHI is a Maryland Corporation.

Item 2(d). 	Title of Class of Securities:

Common Stock, $0.15 Par Value Per Share, of Argan, Inc.

Item 2(e).	CUSIP Number: 04010E109


Item 3. 	If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b),
	check  whether the person filing is a:

(g) [x] 	A parent holding company or control person in accordance with section
	240.13d-1(b)(1)(ii)(G)


Item 4. 	Ownership:

(a) 	Amount of Beneficially Owned:				  4133000 shares

(b) 	Percent of Class:	         				   30.4%

(c) 	Number of shares as to which such person has:
     (i)  Sole power to vote or to direct the vote:	                0 shares

    (ii)  Shared power to vote or to direct the vote: 	       	        0 shares

   (iii)  Sole power to dispose or to direct the disposition of:        0 shares

    (iv)Shared power to dispose or to direct the disposition of:4133000 shares


Item 5. 	Ownership of Five Percent or Less of a Class.

	Not applicable


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

	The securities as to which this Schedule is filed by BAHI, in its capacity
	as a parent holding company, are as follows: 4,133,000 shares, or 30.4% of
	the total shares outstanding of Argan, Inc., owned by clients of NSB
	Advisors LLC, an Investment Advisor registered under section 203 of the
	Investment Advisers Act of 1940.
	Those clients referenced herein have the right to receive, or the power to
	direct the receipt of, dividends from, or the proceeds from the sale of,
	such securities.


Item 7. 	Identification and Classification of the Subsidiary Which Acquired the
	Security Being Reported on by the Parent Holding Company or Control Person.

	This Schedule is being filed pursuant to Rule 13d-1(b)(1)(ii)(G).
	Refer to Exhibit A.


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 in the ordinary course of business
	and were not acquired for the purpose of and do not have the effect of
	changing or influencing the control of the issuer of such securities and were
	not acquired in connection with or as a participant in any transaction having
	such 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.


	Date:		As of May 31, 2010

	Signature:	Brown Advisory Holdings Incorporated

	By: 		/S/ David M. Churchill

	Title:		Treasurer and Secretary


	Joint Filing Agreement
	----------------------------

	Each party signing below agrees that this statement is submitted as a joint
	filing on behalf of the undersigned.

	Date:		As of May 31, 2010

	Signature:	NSB Advisors LLC

        By: 		/S/ William S. Harrison

	Title:		Chief Compliance Officer


Exhibit A

Pursuant to the instructions in Item 7 of this Schedule 13G, the identity
and the Item 3 classification of the relevant subsidiary is: NSB Advisors
LLC, an Investment Advisor registered under section 203 of the Investment
Advisers Act of 1940.