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Filing Details

Accession Number:: 0001181431-13-017374
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2013-03-18 14:34:00
Reporting Period:: 2013-03-14

Filing Date:: 2013-03-18
Accepted Time:: 2013-03-18 14:34:00
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
277135	Grainger W W Inc	GWW	Wholesale-Durable Goods (5000)	361150280

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1451437	G Donald Macpherson	100 Grainger Parkway Lake Forest IL 60045-5201	Sr. Vp, Global Supply Chain	No	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	2013-03-14	3,000	$81.49	33,658	No	4	M	Direct
Common Stock	Disposition	2013-03-14	100	$224.18	33,558	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.19	33,458	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.20	33,358	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.23	33,258	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.25	33,158	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.29	33,058	No	4	S	Direct
Common Stock	Disposition	2013-03-14	503	$224.47	32,555	No	4	S	Direct
Common Stock	Disposition	2013-03-14	300	$224.48	32,255	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.49	32,155	No	4	S	Direct
Common Stock	Disposition	2013-03-14	1	$224.51	32,154	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.52	32,054	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.53	31,954	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$224.63	31,854	No	4	S	Direct
Common Stock	Disposition	2013-03-14	200	$224.79	31,654	No	4	S	Direct
Common Stock	Disposition	2013-03-14	34	$224.87	31,620	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$225.02	31,520	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$225.03	31,420	No	4	S	Direct
Common Stock	Disposition	2013-03-14	55	$225.06	31,365	No	4	S	Direct
Common Stock	Disposition	2013-03-14	75	$225.12	31,290	No	4	S	Direct
Common Stock	Disposition	2013-03-14	125	$225.13	31,165	No	4	S	Direct
Common Stock	Disposition	2013-03-14	207	$225.25	30,958	No	4	S	Direct
Common Stock	Disposition	2013-03-14	200	$225.30	30,758	No	4	S	Direct
Common Stock	Disposition	2013-03-14	100	$225.33	30,658	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	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	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	Disposition	2013-03-14	3,000	$0.00	3,000	$81.49

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
24,000	2012-04-29	2019-04-28	No	4	M	Direct

Reported Derivative Holdings

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Sec. Name	Sec. Type	Price	Date	Expiration Date	Amount	Remaning Holdings	Nature of Ownership
Common Stock	Option	$108.15	2013-04-28	2020-04-27	29,000	29,000	Direct
Common Stock	Option	$149.02	2014-04-27	2021-04-26	24,876	24,876	Direct
Common Stock	Option	$204.01	2015-04-25	2022-04-24	16,923	16,923	Direct

Expiration Date	Amount	Remaning Holdings	Nature of Ownership
2020-04-27	29,000	29,000	Direct
2021-04-26	24,876	24,876	Direct
2022-04-24	16,923	16,923	Direct

Footnotes

Transaction pursuant to a previously adopted Rule 10b5-1 trading program.