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Home > Insider Trading > Filing (0001179110-10-006179)

Filing Details

Accession Number:: 0001179110-10-006179
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-03-31 13:00:00
Reporting Period:: 2010-03-29

Filing Date:: 2010-03-31
Accepted Time:: 2010-03-31 16:39:28
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1167178	A123 Systems Inc.	AONE	Miscellaneous Electrical Machinery, Equipment & Supplies (3690)	043583876

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1472308	N Gilbert Jr. Riley	C/O A123 Systems, Inc. 321 Arsenal Street Watertown MA 02472	Cto And Vp Of Res. And Dev.	Yes	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2010-03-29	25,000	$14.29	778,705	No	4	S	Indirect	By The Yusun Kim Riley Revocable Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	By The Yusun Kim Riley Revocable Trust

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	374,681	Direct

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.