SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* CATANI ALBERT J II (Last) (First) (Middle) THE LAMSON & SESSIONS CO. 25701 SCIENCE PARK DRIVE (Street) CLEVELAND OH 44122 (City) (State) (Zip)	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
	3. Date of Earliest Transaction (Month/Day/Year) 12/14/2005
	4. If Amendment, Date of Original Filed (Month/Day/Year) 12/16/2005	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

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	12/14/2005		S		200	D	$27.58	30,540	D
COMMON STOCK	12/14/2005		S		100	D	$27.56	30,440	D
COMMON STOCK	12/14/2005		S		1,300	D	$27.55	29,140	D
COMMON STOCK	12/14/2005		S		1,500	D	$27.54	27,640	D
COMMON STOCK	12/14/2005		S		1,700	D	$27.53	25,940	D
COMMON STOCK	12/14/2005		S		1,000	D	$27.52	24,940	D
COMMON STOCK	12/14/2005		S		3,500	D	$27.51	21,440	D
COMMON STOCK	12/14/2005		S		19,200	D	$27.5	2,240	D
COMMON STOCK	12/15/2005		M		7,000	A	$4.1	9,240	D
COMMON STOCK	12/15/2005		M		1,400	A	$3.44	10,640	D
COMMON STOCK	12/15/2005		S		100	D	$26.9	10,540	D
COMMON STOCK	12/15/2005		S		100	D	$26.89	10,440	D
COMMON STOCK	12/15/2005		S		100	D	$26.87	10,340	D
COMMON STOCK	12/15/2005		S		300	D	$26.86	10,040	D
COMMON STOCK	12/15/2005		S		400	D	$26.71	9,640	D
COMMON STOCK	12/15/2005		S		100	D	$26.6	9,540	D
COMMON STOCK	12/15/2005		S		900	D	$26.59	8,640	D
COMMON STOCK	12/15/2005		S		800	D	$26.58	7,840	D
COMMON STOCK	12/15/2005		S		700	D	$26.55	7,140	D
COMMON STOCK	12/15/2005		S		900	D	$26.51	6,240	D
COMMON STOCK	12/15/2005		S		4,000	D	$26.5	2,240	D(1)
COMMON STOCK								3,702	I	See Footnote(2)
COMMON STOCK								1,188	I	See Footnote(3)

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 Securities Underlying Derivative Security (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: 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)	$6.938	12/14/2005		M		15,000		02/26/1999(4)	02/26/2008	Common Stock	15,000	$0.00	0	D
Stock Option (Right to Buy Common Stock)	$4.968	12/14/2005		M		12,000		02/25/2000(5)	02/25/2009	Common Stock	12,000	$0.00	0	D
Stock Option (Right to Buy Common Stock)	$6.625	12/14/2005		M		12,000		02/23/2001(6)	02/23/2010	Common Stock	12,000	$0.00	0	D
Stock Option (Right to Buy Common Stock)	$9.88	12/14/2005		M		10,000		02/21/2002(7)	02/21/2011	Common Stock	10,000	$0.00	0	D
Stock Option (Right to Buy Common Stock)	$4.1	12/14/2005		M		5,000		02/20/2003(8)	02/20/2012	Common Stock	5,000	$0.00	7,000	D
Stock Option (Right to Buy Common Stock)	$4.1	12/15/2005		M		7,000		02/20/2003(9)	02/20/2012	Common Stock	7,000	$0.00	0	D
Stock Option (Right to Buy Common Stock)	$3.44	12/15/2005		M		1,400		02/18/2004(10)	02/18/2013	Common Stock	1,400	$0.00	6,600	D

Explanation of Responses:

1. Total also includes 740 restricted shares (grant previously reported) vesting on February 18, 2006.

2. Balance held by the Trust as of December 31, 2005. Total adjusted to reflect distribution of 7,789 shares from the Trust to the Reporting Person, who now holds them directly.

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 February 26, 1999; one-third on February 26, 2000; and one-third on February 26, 2001, 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 25, 2000; one-third on February 25, 2001; and one-third on February 25, 2002, with number of shares vested in each year rounded to the nearest whole share.

6. Exercisable over three years as follows: one-third on February 23, 2001; one-third on February 23, 2002; and one-third on February 23, 2003 with the number of shares vested in each year rounded to the nearest whole share.

7. Exercisable over three years as follows: one-third on February 21, 2002; one-third on February 21, 2003; and one-third on February 21, 2004, with number of shares vested in each year rounded to the nearest whole share.

8. Exercisable over three years as follows: one-third on February 20, 2003; one-third on February 20, 2004; and one-third on February 20, 2005, with number of shares vested in each year rounded to the nearest whole share.

9. Exercisable over three years as follows: one-third on February 20, 2003; one-third on February 20, 2004; and one-third on February 20, 2005, with number of shares vested in each year rounded to the nearest whole share.

10. Exercisable over three years as follows: one-third on February 18, 2004; one-third on February 18, 2005; and one-third on February 18, 2006, with number of shares vested in each year rounded to the nearest whole share.

Remarks:

Form 2 of 2

	/s/ Aileen Liebertz, Attorney-in-Fact for Albert J. Catani, II	02/03/2006
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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