Home > Insider Trading > Filing (0001104659-11-031203)

Filing Details

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
1373486	Joseph Robert Johnson	C/O A123 Systems, Inc. 200 West Street Waltham MA 02451	Vp And Gm, Energy Sol'ns Group	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-05-20	25,000	$0.00	44,783	No	4	A	Direct
Common Stock	Disposition	2011-05-23	4,945	$5.52	39,838	No	4	S	Direct

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

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (right to buy)	Acquisiton	2011-05-20	37,000	$0.00	37,000	$5.66

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
37,000		2021-05-20	No	4	A	Direct

Footnotes

Restricted stock units ("RSUs"). Upon vesting thereof, the Reporting Person is entitled to receive one (1) share of common stock for each one (1) RSU.
25% of the RSUs will vest on May 20, 2012, and 6.25% of the total number of RSUs will vest at the end of each three-month period thereafter, so that 100% of the RSUs will be fully vested on May 20, 2015.
Includes 39,838 RSUs.
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.
These transactions were executed in multiple trades in prices ranging from $5.50 to $5.555. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the SEC staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
Option vests with respect to 25% of the shares subject thereto on May 20, 2012, and 6.25% of the total shares subject to the option will vest at the end of each three-month period thereafter, such that the option will be fully vested and exercisable on May 20, 2015.