SCHEDULE 13G/A
Filing for 2005
CHASE CORPORATION
AMENDMENT NO. 1
Cusip Number: 16150R104
Page 1 of 4




CHASE CORPORATION 
Cusip Number: 16150R104		
Page 2 of 4 


1.	NAME OF REPORTING PERSON
S.S.  or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
	
		Wilen Management Company, Inc.
		52-1452536

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

3.	SEC USE ONLY

4.	CITIZEN OR PLACE OF ORGANIZATION

NUMBER OF SHARES BENEFICALLY OWNED BY EACH REPORTING
PERSON WITH:

5.  	SOLE VOTING POWER

		217,518 Shares

6.	SHARED VOTING POWER
		NONE

7.  	SOLE DISPOSITIVE POWER
		
		217,518 Shares


8.  	SHARES DISPOSTIVE POWER
		NONE

9.	AGGREGATE AMOUNT BENEFICALLY OWNED BY EACH PERSON

		217,518 Shares

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

			N/A

11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

			5.6%

12.	TYPE OF REPORTING PERSON*

			IA




CHASE CORPORATION 
Cusip Number: 16150R104
Page 3 of 4 


Item 1.   Security and Issuer:

This statement relates to the common stock of Chase
Corporation ("The Issuer") 26 Summer Street, 
Suite #220 Bridgewater, MA 02324.

Item 2.   Identity and Background:

(a)	Name of Person Filing: Wilen Management Company, Inc.

(b)	Address of Principal Business Office:  
2360 West Joppa Road, Suite 226 
Lutherville, MD  21093

(c)	Citizenship or Place of Organization:   Maryland

(d)	Title of Class of Securities:  Common Stock 

(e)	CUSIP Number:  16150R104


Item 3. 

The Entity Filing is an Investment Adviser registered under
section 203 of the Investment Advisers Act of 1940.


Item 4.  Ownership:

(a)	Amount Beneficially Owned:  217,518 Shares

(b)	Percent of class: 5.6%

(c)	Number of Shares as to which such entity has:
(i)	Sole power to vote or to direct the vote: 217,518 Shares
(ii)	Shared power to vote or to direct the vote:  None
(iii)	Sole power to dispose or to direct the disposition of: 217,518 Shares.
(iv)	Shared power to dispose or to direct the disposition of:  None


Item 5.  Ownership of Five Percent or Less of a Class of Securities:  
Not Applicable
 
Item 6.    Ownership of More Than Five Percent on Behalf of Another Person: 

Not Applicable



CHASE CORPORATION 
Cusip Number: 16150R104
Page 4 of 4


Item 7.    Identification and Classification of Subsidiaries
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 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 purposes 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.

Dated this 26th day of January, 2006.

James Wilen

James Wilen, President		 
Wilen Management Company, Inc.