Insider Trading - Lester J Mark - Portfolio Holdings (Majority Ownership)

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Sec Filings Insider Trading - Lester J Mark - Portfolio Holdings (Majority Ownership)

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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Insider Trading Transactions for Lester J Mark

LESTER J MARK: Insider Trading and Stock Options

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Common stock purchase or sale:

Transaction & Date	Reported Date	Company	Symbol	Insider Relationship	Shares Traded	Average Price	Total Amount	Shares Ownership	Filing
2009-07-01 Sale	2009-07-02 3:20 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	3,435	$19.67	$67,566	405,325 (Direct)	View
2008-10-10 Purchase	2008-10-10 6:15 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	10,000	$13.67	$136,700	362,619 (Direct)	View
2008-06-23 Sale	2008-06-24 4:02 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	13,062	$66.23	$865,045	315,858 (Direct)	View
2008-06-10 Sale	2008-06-12 5:08 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	18,287	$60.26	$1,101,913	328,920 (Direct)	View
2008-05-06 Sale	2008-05-08 6:07 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	2,613	$55.61	$145,303	389,782 (Direct)	View
2008-02-26 Sale	2008-02-28 4:00 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	6,894	$45.86	$316,159	390,061 (Direct)	View
2008-01-11 Sale	2008-01-14 5:56 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	8,842	$39.63	$350,424	398,842 (Direct)	View
2007-09-14 Sale	2007-09-18 1:38 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	6,514	$35.13	$228,845	381,400 (Direct)	View
2007-08-24 Sale	2007-08-27 10:09 am	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	8,903	$32.87	$292,644	387,914 (Direct)	View
2007-06-28 Sale	2007-06-29 11:51 am	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,625	$35.07	$197,266	348,389 (Direct)	View
2007-05-10- -2007-05-11 Sale	2007-05-14 5:37 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	11,875	$34.18	$405,927	354,014 (Direct)	View
2007-03-27 Sale	2007-03-28 1:38 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	7,500	$31.06	$232,930	350,902 (Direct)	View
2007-01-30 Sale	2007-02-01 3:08 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	3,056	$29.2	$89,235	350,902 (Direct)	View
2007-01-23 Sale	2007-01-25 10:52 am	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,048	$29.72	$150,004	346,008 (Direct)	View
2007-01-22 Sale	2007-01-24 12:28 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,384	$29.23	$157,386	351,056 (Direct)	View

Other transactions:

Transaction & Date	Reported Date	Company	Symbol	Insider Relationship	Shares Traded	Average Price	Total Amount	Shares Ownership	Filing
2009-09-30- -2009-10-01 Option Award Tax Withholding	2009-10-02 4:24 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	4,473	$28.11	$125,747	434,453 (Direct)	View
2009-08-25 Tax Withholding	2009-08-27 4:07 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	19,146	$23.35	$447,059	431,236 (Direct)	View
2009-07-02 Tax Withholding	2009-07-06 4:39 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	4,943	$18.68	$92,335	450,382 (Direct)	View
2009-06-30- -2009-07-01 Option Award	2009-07-02 3:20 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	51,578	$0.6067	$31,292	455,325 (Direct)	View
2009-03-31 Option Award	2009-04-02 5:20 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,030	$17.06	$85,812	407,093 (Direct)	View
2008-12-31- -2009-01-03 Option Award Tax Withholding	2009-01-05 6:01 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	56,112	$1.843	$103,426	400,476 (Direct)	View
2008-10-01 Option Award	2008-10-03 5:02 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	6,450	$0	$0	352,619 (Direct)	View
2008-09-30 Option Award	2008-10-02 4:28 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	2,943	$35.86	$105,536	346,169 (Direct)	View
2008-07-09 Tax Withholding	2008-07-11 4:24 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	2,884	$57.72	$166,464	343,198 (Direct)	View
2008-07-02- -2008-07-03 Tax Withholding	2008-07-07 4:22 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	9,700	$68.13	$660,816	346,082 (Direct)	View
2008-06-30- -2008-07-01 Option Award Tax Withholding	2008-07-02 6:14 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	47,024	$5.748	$270,290	355,782 (Direct)	View
2008-06-05 Tax Withholding	2008-06-09 6:40 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	42,575	$56.08	$2,387,606	347,207 (Direct)	View
2008-03-31 Option Award	2008-04-02 5:22 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	1,743	$46.15	$80,439	392,395 (Direct)	View
2008-01-15 Tax Withholding	2008-01-17 5:16 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	1,887	$39.54	$74,612	396,955 (Direct)	View
2008-01-03 Tax Withholding	2008-01-07 4:36 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	11,639	$40.5	$471,380	407,684 (Direct)	View
2007-09-28 Option Award^(A)	2008-01-04 2:19 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	2,704	$35.26	$95,343	384,146 (Direct)	View
2007-12-31- -2008-01-02 Option Award	2008-01-03 6:58 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	48,262	$0.6189	$29,870	419,375 (Direct)	View
2007-09-28 Option Award	2007-10-02 4:24 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	2,756	$35.26	$97,177	384,198 (Direct)	View
2007-07-09 Tax Withholding	2007-07-11 4:46 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	2,894	$35.28	$102,100	396,817 (Direct)	View
2007-07-05 Exercise	2007-07-09 11:51 am	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,625	$10.08	$56,700	399,711 (Direct)	View
2007-07-03 Tax Withholding	2007-07-05 5:15 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	4,736	$35.3	$167,181	394,086 (Direct)	View
2007-06-29- -2007-07-02 Option Award Tax Withholding	2007-07-03 2:35 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	51,924	$2.948	$153,070	398,822 (Direct)	View
2007-06-28 Exercise	2007-06-29 11:51 am	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,625	$10.08	$56,700	354,014 (Direct)	View
2007-05-10- -2007-05-11 Exercise	2007-05-14 5:37 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	11,875	$8.88	$105,450	359,639 (Direct)	View
2007-03-30 Option Award	2007-04-03 5:07 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	2,334	$30.88	$72,074	354,014 (Direct)	View
2007-03-27 Exercise	2007-03-28 1:38 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	7,500	$5.2	$39,000	358,402 (Direct)	View
2007-01-24 Exercise	2007-01-26 10:36 am	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	11,875	$8.88	$105,450	357,883 (Direct)	View
2007-01-15 Tax Withholding	2007-01-17 3:15 pm	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	1,444	$28.05	$40,504	356,440 (Direct)	View

(A) Indicate amendment filing.

Stock options: Exercise, Award, Grant, Conversion

Transaction & Date	Reported Date	Exercisable Expiration	Company	Symbol	Insider Relationship	Shares Traded	Conversion Price	Shares Ownership	Filing
2007-07-05 Exercise	2007-07-09 11:51 am	2004-06-24 2013-06-24	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,625	$10.08	0 (Direct)	View
2007-06-28 Exercise	2007-06-29 11:51 am	2004-06-24 2013-06-24	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,625	$10.08	0 (Direct)	View
2007-05-10 Exercise	2007-05-14 5:37 pm	2004-01-18 2013-01-08	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	6,250	$7.8	0 (Direct)	View
2007-05-11 Exercise	2007-05-14 5:37 pm	2004-06-24 2013-06-24	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,625	$10.08	5,625 (Direct)	View
2007-03-27 Exercise	2007-03-28 1:38 pm	2003-07-23 2012-07-23	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	7,500	$5.2	0 (Direct)	View
2007-01-24 Exercise	2007-01-26 10:36 am	2004-01-08 2013-01-08	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	6,250	$7.8	0 (Direct)	View
2007-01-24 Exercise	2007-01-26 10:36 am	2004-06-24 2013-06-24	CHESAPEAKE ENERGY CORP	CHK	LESTER J MARK (Executive Vice President)	5,625	$10.08	5,625 (Direct)	View

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