SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. __ )*

Osteotech, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

688582105

(CUSIP Number)

August 30, 2010

(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)


*	The remainder of this cover page shall be filled out for a reporting person’s initial filing in 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, as amended (the “Act”), or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act.

SCHEDULE 13G

CUSIP No. 688582105

Name of Reporting Person

HEARTLAND ADVISORS, INC.

Check the Appropriate Box if a Member of a Group

(a) [ ]

(b) [ ]

SEC Use Only

Citizenship or Place of Organization

WISCONSIN, U.S.A.

Number of Shares Beneficially Owned by Each Reporting Person With:


5)	Sole Voting Power:	None
6)	Shared Voting Power:	1,596,588
7)	Sole Dispositive Power:	None
8)	Shared Dispositive Power:	1,705,978

Aggregate Amount Beneficially Owned by Each Reporting Person

1,705,978

10)

Check if the Aggregate Amount in Row (9) Excludes Certain Shares

Not Applicable

11)

Percent of Class Represented by Amount in Row (9)

9.4%

12)

Type of Reporting Person

SCHEDULE 13G

CUSIP No. 688582105

Name of Reporting Person

WILLIAM J. NASGOVITZ

Check the Appropriate Box if a Member of a Group

(a) [ ]

(b) [ ]

SEC Use Only

Citizenship or Place of Organization

U.S.A.

Number of Shares Beneficially Owned by Each Reporting Person With:


5)	Sole Voting Power:	None
6)	Shared Voting Power:	1,596,588
7)	Sole Dispositive Power:	None
8)	Shared Dispositive Power:	1,705,978

Aggregate Amount Beneficially Owned by Each Reporting Person

1,705,978

10)

Check if the Aggregate Amount in Row (9) Excludes Certain Shares

Not Applicable

11)

Percent of Class Represented by Amount in Row (9)

9.4%

12)

Type of Reporting Person

SCHEDULE 13G

CUSIP No. 688582105

ITEM 1(a).

Name of Issuer:

Osteotech, Inc.

ITEM 1(b).

Address of Issuer’s Principal Executive Offices:

51 James Way

Eatontown, NJ 07724

ITEM 2(a).

Names of Persons Filing:

Heartland Advisors, Inc.

William J. Nasgovitz

ITEM 2(b).

Address of Principal Business Office:

All reporting persons may be contacted at 789 North Water Street, Milwaukee, Wisconsin 53202.

ITEM 2(c).

Citizenship or Place of Organization:

Heartland Advisors, Inc. is a Wisconsin corporation. Mr. Nasgovitz is a United States citizen.

ITEM 2(d).

Title of Class of Securities:

This Statement pertains to the shares of common stock, $0.01 par value, of Osteotech, Inc.

ITEM 2(e).

CUSIP Number:

688582105

ITEM 3.

If this statement is filed pursuant to Sections 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)	[X]*	An investment adviser in accordance with Section 240.13d-1(b)(1)(ii)(E);
(f)	[ ]	An employee benefit plan or endowment fund in accordance with Section 240.13d-1(b)(1)(ii)(F);
(g)	[X]*	A parent holding company or control person in accordance with Section 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)	[ ]	A non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J);
(k)	[ ]	Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).
*	The persons filing this Schedule 13G are Heartland Advisors, Inc., an investment adviser registered with the SEC, and William J. Nasgovitz, President and control person of Heartland Advisors, Inc. The reporting persons do not admit that they constitute a group.

ITEM 4.

Ownership.

(a)

Amount beneficially owned:

1,705,978 shares may be deemed beneficially owned within the meaning of Rule 13d-3 of the Securities Exchange Act of 1934 by (1) Heartland Advisors, Inc. by virtue of its investment discretion and voting authority granted by certain clients, which may be revoked at any time; and (2) William J. Nasgovitz, by virtue of his control of Heartland Advisors, Inc. Mr. Nasgovitz disclaims beneficial ownership of any shares reported on the Schedule.

(b)

Percent of Class: 9.4%

(c)

For information on voting and dispositive power with respect to the above listed shares, see Items 5-9 of the Cover Pages.

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.

ITEM 10.

Certification.

By signing below, the undersigned certify that, to the best of their 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

After reasonable inquiry and to the best of their knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

DATE: August 31, 2010

WILLIAM J. NASGOVITZ

/s/ Paul T. Beste

BY:

Paul T. Beste

TITLE:

As Attorney in Fact for

William J. Nasgovitz

(Pursuant to Power of Attorney

Previously Filed)

HEARTLAND ADVISORS, INC.

/s/ Paul T. Beste

BY:

Paul T. Beste

TITLE:

Chief Operating Officer

EXHIBIT INDEX


Exhibit 1	Joint Filing Agreement

Exhibit 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing with the other reporting person of a statement on Schedule 13G (including amendments thereto) with respect to the common stock, $0.01 par value, of Osteotech, Inc., and that this Agreement be included as an Exhibit to such joint filing.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement this 31st day of August, 2010.

WILLIAM J. NASGOVITZ

/s/ Paul T. Beste

BY:

Paul T. Beste

TITLE:

As Attorney in Fact for

William J. Nasgovitz

(Pursuant to Power of Attorney

Previously Filed)

HEARTLAND ADVISORS, INC.

/s/ Paul T. Beste

BY:

Paul T. Beste

TITLE:

Chief Operating Officer