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Filing Details

Accession Number:: 0001140361-11-010780
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-02-18 12:00:00
Reporting Period:: 2011-02-16

Filing Date:: 2011-02-18
Accepted Time:: 2011-02-18 16:22:44
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
60849	Lufkin Industries Inc	LUFK	General Industrial Machinery & Equipment (3560)	750404410

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1185404	F John Glick	P. O. Box 849 Lufkin TX 75902	President & Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2011-02-16	18,750	$27.70	36,350	No	4	M	Direct
Common Stock	Disposition	2011-02-16	85	$77.28	36,265	No	4	S	Direct
Common Stock	Disposition	2011-02-16	200	$77.30	36,065	No	4	S	Direct
Common Stock	Disposition	2011-02-16	300	$77.35	35,765	No	4	S	Direct
Common Stock	Disposition	2011-02-16	300	$77.36	35,465	No	4	S	Direct
Common Stock	Acquisiton	2011-02-16	115	$77.37	35,350	No	4	S	Direct
Common Stock	Disposition	2011-02-16	1,522	$77.39	33,828	No	4	S	Direct
Common Stock	Disposition	2011-02-16	10,392	$77.40	23,436	No	4	S	Direct
Common Stock	Disposition	2011-02-16	1,300	$77.41	22,136	No	4	S	Direct
Common Stock	Disposition	2011-02-16	210	$77.42	21,926	No	4	S	Direct
Common Stock	Disposition	2011-02-16	2,068	$77.46	19,858	No	4	S	Direct
Common Stock	Disposition	2011-02-16	2,258	$77.49	17,600	No	4	S	Direct
Common Stock	Acquisiton	2011-02-16	5,392	$18.06	22,992	No	4	M	Direct
Common Stock	Disposition	2011-02-16	1,292	$77.49	21,700	No	4	S	Direct
Common Stock	Disposition	2011-02-16	1,900	$77.53	19,800	No	4	S	Direct
Common Stock	Disposition	2011-02-16	1,600	$77.65	18,200	No	4	S	Direct
Common Stock	Disposition	2011-02-16	200	$77.66	18,000	No	4	S	Direct
Common Stock	Disposition	2011-02-16	200	$77.67	17,800	No	4	S	Direct
Common Stock	Disposition	2011-02-16	200	$77.68	17,600	No	4	S	Direct
Common Stock	Acquisiton	2011-02-17	12,108	$18.06	29,708	No	4	M	Direct
Common Stock	Disposition	2011-02-17	12,108	$77.40	17,600	No	4	S	Direct
Common Stock	Acquisiton	2011-02-17	10,149	$32.23	27,749	No	4	M	Direct
Common Stock	Disposition	2011-02-17	3,073	$77.40	24,676	No	4	S	Direct
Common Stock	Disposition	2011-02-17	1,800	$77.42	22,876	No	4	S	Direct
Common Stock	Disposition	2011-02-17	48	$77.43	22,828	No	4	S	Direct
Common Stock	Disposition	2011-02-17	1,800	$77.44	21,028	No	4	S	Direct
Common Stock	Disposition	2011-02-17	2,399	$77.46	18,629	No	4	S	Direct
Common Stock	Disposition	2011-02-17	50	$77.47	18,579	No	4	S	Direct
Common Stock	Disposition	2011-02-17	100	$77.47	18,479	No	4	S	Direct
Common Stock	Disposition	2011-02-17	879	$77.48	17,600	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Option to Purchase Common Stock	Disposition	2011-02-16	18,750	$27.70	18,750	$27.70
Common Stock	Option to Purchase Common Stock	Disposition	2011-02-16	5,392	$18.06	5,392	$18.06
Common Stock	Option to Purchase Common Stock	Disposition	2011-02-17	12,108	$18.06	12,108	$18.06
Common Stock	Option to Purchase Common Stock	Disposition	2011-02-17	10,149	$32.23	10,149	$32.23

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
221,250	2009-02-12	2018-02-11	No	4	M	Direct
215,858	2010-02-10	2019-02-09	No	4	M	Direct
203,750	2010-02-10	2019-02-09	No	4	M	Direct
193,601	2011-02-09	2020-02-08	No	4	M	Direct