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Home > Insider Trading > Filing (0001225208-11-014861)

Filing Details

Accession Number:: 0001225208-11-014861
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2011-05-20 10:47:47
Reporting Period:: 2011-05-18

Filing Date:: 2011-05-20
Accepted Time:: 2011-05-20 10:47:47
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
823768	Waste Management Inc	WM	Refuse Systems (4953)	731309529

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1197028	H Barry Caldwell	1001 Fannin Street Suite 4000 Houston TX 77002	Senior Vice President	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	Explanation
Common Stock	Acquisiton	2011-05-18	20,000	$21.05	49,196	No	4	M	Direct
Common Stock	Disposition	2011-05-18	20,145	$39.00	29,051	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	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	Stock Option (Right to Buy)	Disposition	2011-05-18	20,000	$21.05	20,000	$21.05

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2012-10-08	No	4	M	Direct

Footnotes

Stock option granted pursuant to Waste Management, Inc. 1993 Stock Incentive Plan. The stock option originally vested in 25% annual increments commencing on the first anniversary of the date of grant. The Compensation committee of the Board of Directors accelerated the vesting of the Company's outstanding options effective December 28, 2005.