Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
CATANI ALBERT J II
   2. Issuer Name and Ticker or Trading Symbol
LAMSON & SESSIONS CO [LMS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President-Manufacturing
(Last)
(First)
(Middle)
THE LAMSON & SESSIONS CO., 25701 SCIENCE PARK DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
12/07/2005
(Street)

CLEVELAND, OH 44122		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
COMMON STOCK 12/07/2005   M   6,000 A $ 8.563 8,240 D (1)  
COMMON STOCK 12/07/2005   M   10,000 A $ 7.938 18,240 D  
COMMON STOCK 12/07/2005   S   4,800 D $ 29.17 13,440 D  
COMMON STOCK 12/07/2005   S   300 D $ 29.16 13,140 D  
COMMON STOCK 12/07/2005   S   500 D $ 29.15 12,640 D  
COMMON STOCK 12/07/2005   S   1,400 D $ 29.13 11,240 D  
COMMON STOCK 12/07/2005   S   200 D $ 29.12 11,040 D  
COMMON STOCK 12/07/2005   S   1,700 D $ 29.1 9,340 D  
COMMON STOCK 12/07/2005   S   1,500 D $ 29.07 7,840 D  
COMMON STOCK 12/07/2005   S   600 D $ 29.06 7,240 D  
COMMON STOCK 12/07/2005   S   400 D $ 29.05 6,804 D  
COMMON STOCK 12/07/2005   S   600 D $ 29.04 6,204 D  
COMMON STOCK 12/07/2005   S   100 D $ 29.03 6,140 D  
COMMON STOCK 12/07/2005   S   100 D $ 29.02 6,040 D  
COMMON STOCK 12/07/2005   S   3,800 D $ 29 2,240 D (1)  
COMMON STOCK               3,702 I See Footnote (2)
COMMON STOCK               1,188 I See Footnote (3)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy Common Stock $ 8.563 12/07/2005   M   6,000   03/01/1997(4) 03/01/2006 Common Stock 6,000 $ 0 0 D  
Stock Option (Right to Buy Common Stock $ 7.938 12/07/2005   M   10,000   02/27/1998(5) 02/27/2007 Common Stock 10,000 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
CATANI ALBERT J II
THE LAMSON & SESSIONS CO.
25701 SCIENCE PARK DRIVE
CLEVELAND, OH 44122		       Vice President-Manufacturing  

Signatures

 /s/ Aileen Liebertz Aileen Liebertz, Attorney-in-Fact for Albert J. Catani, II   12/08/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Total also includes 740 restricted shares (grant previously reported) vesting on February 18, 2006.
(2) Held by the Trust pursuant to the Deferred Compensation Plan for Executive Officers - a 16b-3 Plan as of June 2, 2004.
(3) Held under The Lamson & Sessions Co. Deferred Savings Plan (the "401(k) Plan"), exempt under Rule 16b-3(c). Total adjusted to reflect ongoing acquisitions under the 401(k) Plan since Reporting Person's last report.
(4) Exercisable over three years as follows: one-third on March 1, 1997; one-third on March 1, 1998; and one-third on March 1, 1999, with the number of shares vested in each year rounded to the nearest whole share.
(5) Exercisable over three years as follows: one-third on February 27, 1998; one-third on February 27, 1999; and one-third on February 27, 2000, with the number of shares vested in each year rounded to the nearest whole share.

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