Stock Trading History of Leuba Mark L.

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Leuba Mark L. since year 2005. The trader's CIK number is 1417595. At the time of this reporting, Leuba Mark L. is the SVP, Chief Information Officer of American Public Education Inc . (stock ticker symbol APEI). See this page for all insider trading activities at American Public Education Inc .

Stock purchases, sales, and option exercises reported by insider *Leuba Mark L.* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-09-15	APEI	American Public Education Inc	Sale	4,500	47.90	215,550
2008-05-06	APEI	American Public Education Inc	Option Exercise	3,039	7.00	21,273
2008-08-22	APEI	American Public Education Inc	Sale	9,000	45.27	407,430
2008-02-05	APEI	American Public Education Inc	Option Exercise	9,118	1.05	9,573
2007-11-14	APEI	American Public Education Inc	Purchase	1,580	20.00	31,600
2007-11-09	APEI	American Public Education Inc	Purchase	1,580	20.00	31,600

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Leuba Mark L. (SVP, Chief Information Officer of American Public Education Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.