According to GuruFocus Insider Data, the largest CFO buys during the past week were Constellation Energy Partners LLC, Janus Capital Group Inc, Ecotality Inc., STAG Industrial, and Marriott Vacations Worldwide.

Constellation Energy Partners LLC (CEP): CFO and Treasurer Charles C Ward Bought 20,000 Shares

CFO and Treasurer of Constellation Energy Partners LLC (CEP) Charles C Ward bought 20,000 shares on 12/22/2011 at an average price of $2. CONSTELLATION ENERGY PARTNERS LLC, is a limited liability company focused on the acquisition, development and production of oil and natural gas properties, as well as related midstream assets. Constellation Energy Partners Llc has a market cap of $46.5 million; its shares were traded at around $1.96 with a P/E ratio of 4.6 and P/S ratio of 0.3.

Constellation Energy Partners LLC reported third quarter 2011 results. On a GAAP basis, the company recorded net income of $7.5 million for the third quarter 2011 and $5.6 million for the year-to-date.

CFO and Treasurer Charles C Ward and 10% Owner Energy Corp Postrock bought shares of CEP stock.

10% Owner Energy Group Inc Constellation sold shares of CEP stock.

Janus Capital Group Inc (JNS): EVP and CFO Bruce L Koepfgen Bought 17,100 Shares

EVP and CFO of Janus Capital Group Inc (JNS) Bruce L Koepfgen bought 17,100 shares on 12/21/2011 at an average price of $5.86. Janus Capital Group Inc. is a asset manager offering individual investors and institutional clients complementary asset management disciplines through the firm's global distribution network. Janus Capital Group Inc has a market cap of $1.18 billion; its shares were traded at around $6.31 with a P/E ratio of 7.3 and P/S ratio of 1.2. The dividend yield of Janus Capital Group Inc stocks is 3.1%.

Janus Capital Group Inc. reported third quarter net income of $27.4 million, or $0.15 per diluted share, compared with net income of $41.9 million, or $0.23 per diluted share, in the second quarter 2011 and net income of $32.5 million, or $0.18 per diluted share, in the third quarter 2010. Third quarter 2011 revenues of $236.9 million decreased $27.1 million, or 10.3%, from second quarter 2011.

EVP and CFO Bruce L Koepfgen bought shares of JNS stock.

Ecotality Inc. (ECTY): CFO Hind Ravi Brar Bought 15,000 Shares

CFO of Ecotality Inc. (ECTY) Hind Ravi Brar bought 15,000 shares on 12/30/2011 at an average price of $1.04. ECOtality, Inc., headquartered in Scottsdale, Arizona, is a leader in clean electric transportation and storage technologies. Ecotality Inc. has a market cap of $25.7 million; its shares were traded at around $1.08 with and P/S ratio of 1.8.

ECOtality Inc. announced financial results for the quarter ended September 30, 2011. Revenue for the third quarter 2011 grew to $9.5 million, an increase of 58 percent, compared with $6.0 million reported in the second quarter of 2011. Net loss for the three month period ended September 30, 2011 was $3.4 million, a 39 percent improvement when compared with a net loss of $5.6 million in the second quarter of 2011.

CFO Hind Ravi Brar and Secretary/ asst. Treasury Barry Baer bought shares of ECTY stock.

STAG Industrial (STAG): CFO, EVP and Treasurer Gregory W Sullivan Bought 11,000 Shares

CFO, EVP and Treasurer of STAG Industrial (STAG) Gregory W Sullivan bought 11,000 shares on 12/29/2011 at an average price of $11.38. STAG Industrial, Inc. operates as a real estate company focused on the acquisition, ownership and management of single-tenant industrial properties throughout the United States. Stag Industrial has a market cap of $182.4 million; its shares were traded at around $11.47 . The dividend yield of Stag Industrial stocks is 9%.

STAG Industrial, Inc. announced its financial and operating results for the third quarter of 2011. Net operating income attributable to common stockholders was $9.7 million. Chairman, CEO and President Benjamin S Butcher, CFO, EVP and Treasurer Gregory W Sullivan, and Director Jeffrey D. Furber bought shares of STAG stock.

Marriott Vacations Worldwide (VAC): Exec. VP and CFO John E Jr Geller Bought 10,000 Shares

Exec. VP and CFO of Marriott Vacations Worldwide (VAC) John E Jr Geller bought 10,000 shares on 12/20/2011 at an average price of $18.54. Marriott Vacations Worldwide has a market cap of $578.4 million; its shares were traded at around $17.16 .

Marriott International, Inc. in addition to reporting its fourth quarter and full year 2010 results today, announced a plan to split the company’s businesses into two separate, publicly traded companies. Reported net income totaled $173 million in the fourth quarter of 2010 compared to $106 million in the year-ago quarter.

President & CEO Stephen P Weisz and Exec. VP and CFO John E Jr Geller bought shares of VAC stock.

10% Owner Richard E Marriott sold shares of VAC stock.

For the complete list of stocks that bought by their CFOs, go to: Insider Buys.

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