PERMA FIX ENVIRONMENTAL SERVICES INC — Major Shareholding Notification 2011

Feb 14, 2011

SC 13G/A 1 v210136_sc13g-a.htm Unassociated Document Licensed to: Vintage Filings Document Created using EDGARizer 4.0.6.4 Copyright 1995 - 2008 EDGARfilings, Ltd., an IEC company. All rights reserved

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. No. 1 )*

Perma-Fix Environmental Services, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

714157104

(CUSIP Number)

December 31, 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 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).

CUSIP No. 714157104 13G Page 2 of 10 Pages

| 1 | NAME
OF REPORTING PERSON Oberweis
Asset Management, Inc. | |
| --- | --- | --- |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) Not
Applicable | (a) ¨ (b) ¨ |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION Illinois | |

| NUMBER
OF SHARES BENEFICIALLY OWNED
BY EACH REPORTING PERSON WITH | SOLE
VOTING POWER None |
| --- | --- |
| 6 | SHARED
VOTING POWER None |
| 7 | SOLE
DISPOSITIVE POWER None |
| 8 | SHARED
DISPOSITIVE POWER None |

| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None | |
| --- | --- | --- |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) Not
Applicable | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) IA | |

CUSIP No. 714157104 13G Page 3 of 10 Pages

| 1 | NAME
OF REPORTING PERSON James
D. Oberweis | |
| --- | --- | --- |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) Not
Applicable | (a) ¨ (b) ¨ |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION U.S.A. | |

| NUMBER
OF SHARES BENEFICIALLY OWNED
BY EACH REPORTING PERSON WITH | SOLE
VOTING POWER None |
| --- | --- |
| 6 | SHARED
VOTING POWER None |
| 7 | SOLE
DISPOSITIVE POWER None |
| 8 | SHARED
DISPOSITIVE POWER None |

| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None | |
| --- | --- | --- |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) Not
Applicable | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) IN | |

CUSIP No. 714157104 13G Page 4 of 10 Pages

| 1 | NAME
OF REPORTING PERSON James
W. Oberweis | |
| --- | --- | --- |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) Not
Applicable | (a) ¨ (b) ¨ |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION U.S.A. | |

| NUMBER
OF SHARES BENEFICIALLY OWNED
BY EACH REPORTING PERSON WITH | SOLE
VOTING POWER None |
| --- | --- |
| 6 | SHARED
VOTING POWER None |
| 7 | SOLE
DISPOSITIVE POWER None |
| 8 | SHARED
DISPOSITIVE POWER None |

| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None | |
| --- | --- | --- |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) Not
Applicable | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) IN | |

13G

Item 1(a) Name of Issuer:

Perma-Fix Environmental Services, Inc.

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

8302 Dunwoody Place, Suite 250 Atlanta, Georgia 30350

Item 2(a) Name of Person Filing:

Oberweis Asset Management, Inc. (“OAM”)

James D. Oberweis

James W. Oberweis

Item 2(b) Address of Principal Business Office or, if none, Residence:

OAM, James D. Oberweis and James W. Oberweis are located at:

3333 Warrenville Road

Suite 500

Lisle, IL 60532

Item 2(c) Citizenship:

OAM is an Illinois Corporation.

James D. Oberweis and James W. Oberweis are U.S. citizens.

Item 2(d) Title of Class of Securities:

Common Stock

Item 2(e) CUSIP Number:

714157104

Item 3 Type of Person:

(e) OAM is an investment adviser in accordance with §240.13d-1(b)(1)(ii)(E). James D. Oberweis and James W. Oberweis are the principal stockholders of OAM.

Page 5 of 10

13G

Item 4 Ownership (at December 31, 2010):

(a) Amount owned “beneficially” within the meaning of rule 13d-3:

None

(b) Percent of class:

0.0% (based on 55,067,970 shares outstanding on November 1, 2010)

(c) Number of shares as to which such person has:

(i) sole power to vote or to direct the vote:

None

(ii) shared power to vote or to direct the vote:

None

(iii) sole power to dispose or to direct the disposition of:

None

(iv) shared power to dispose or to direct disposition of:

None

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 [ 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

Page 6 of 10

13G

Item 8 Identification and Classification of Members of the Group:

Not Applicable

Item 9 Notice of Dissolution of Group:

Not Applicable

Page 7 of 10

13G

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.

Page 8 of 10

13G

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: February 14, 2011

The undersigned corporation, on the date above written, agrees and consents to the joint filing on its behalf of this Schedule 13G in connection with its beneficial ownership of the security reported herein.

OBERWEIS ASSET MANAGEMENT, INC.

By: /s/ Patrick B. Joyce

Patrick B. Joyce

Executive Vice President

The undersigned individual, on the date above written, agrees and consents to the joint filing on his behalf of this Schedule 13G in connection with his beneficial ownership of the security reported herein.

By: /s/ James D. Oberweis

James D. Oberweis

The undersigned individual, on the date above written, agrees and consents to the joint filing on his behalf of this Schedule 13G in connection with his beneficial ownership of the security reported herein.

By: /s/ James W. Oberweis

James W. Oberweis

Page 9 of 10

13G

Exhibit Index

Exhibit 1 Joint Filing Agreement dated as of February 14, 2011 between Oberweis Asset Management, Inc., James D. Oberweis and James W. Oberweis

Page 10 of 10