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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in BEACON POWER CORP. Get notifications about new insider transactions in BEACON POWER CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jun 30 2011	BCON	BEACON POWER CORP	SPIEZIO JAMES M	VP of Finance, CFO	Grant	A	0.00	18,750	0	57,386	38.6 K to 57.4 K (+48.53 %)
Jun 30 2011	BCON	BEACON POWER CORP	LAZAREWICZ MATTHEW L	Chief Technical Off ...	Grant	A	0.00	18,750	0	69,550	50.8 K to 69.6 K (+36.91 %)
Jun 30 2011	BCON	BEACON POWER CORP	Judson Judith	VP, Asset Mgmt & Mr ...	Grant	A	0.00	18,750	0	29,754	11 K to 29.8 K (+170.39 %)
Jun 30 2011	BCON	BEACON POWER CORP	CAPP F WILLIAM	President and CEO	Grant	A	0.00	37,500	0	118,124	80.6 K to 118.1 K (+46.51 %)
May 19 2011	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	1.24	8,000	9,920	118,000	110 K to 118 K (+7.27 %)
Mar 08 2011	BCON	BEACON POWER CORP	LAZAREWICZ MATTHEW L	Chief Technical Off ...	Option Exercise	A	2.78	73,189	203,465	73,189
Mar 08 2011	BCON	BEACON POWER CORP	Judson Judith	VP, Asset Mgmt & Mr ...	Option Exercise	A	2.78	67,574	187,856	67,574
Mar 08 2011	BCON	BEACON POWER CORP	SPIEZIO JAMES M	VP of Finance, CFO	Option Exercise	A	2.78	81,516	226,614	81,516
Mar 08 2011	BCON	BEACON POWER CORP	CAPP F WILLIAM	President and CEO	Option Exercise	A	2.78	221,834	616,699	221,834
Dec 03 2010	BCON	BEACON POWER CORP	Weihman Edward A	Director	Option Exercise	A	0.23	50,000	11,500	50,000
Dec 03 2010	BCON	BEACON POWER CORP	Rose Virgil G	Director	Option Exercise	A	0.23	75,000	17,250	75,000
Dec 03 2010	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Option Exercise	A	0.23	50,000	11,500	50,000
Dec 03 2010	BCON	BEACON POWER CORP	SMITH JACK P	Director	Option Exercise	A	0.23	50,000	11,500	50,000
Aug 18 2010	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.32	20,000	6,466	110,000	90 K to 110 K (+22.22 %)
Aug 18 2010	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.32	10,000	3,226	90,000	80 K to 90 K (+12.50 %)
Aug 18 2010	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.32	10,000	3,203	80,000	70 K to 80 K (+14.29 %)
Aug 18 2010	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.32	10,000	3,200	70,000	60 K to 70 K (+16.67 %)
Aug 18 2010	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.32	10,000	3,198	60,000	50 K to 60 K (+20.00 %)
Jul 23 2010	BCON	BEACON POWER CORP	SPIEZIO JAMES M	VP of Finance, CFO	Grant	A	0.00	110,049	0	386,368	276.3 K to 386.4 K (+39.83 %)
Jul 23 2010	BCON	BEACON POWER CORP	Judson Judith	VP, Asset Mgmt & Mr ...	Grant	A	0.00	110,049	0	110,049	0 to 110 K
Jul 23 2010	BCON	BEACON POWER CORP	LAZAREWICZ MATTHEW L	Chief Technical Off ...	Grant	A	0.00	110,049	0	508,005	398 K to 508 K (+27.65 %)
Jul 23 2010	BCON	BEACON POWER CORP	CAPP F WILLIAM	President and CEO	Option Exercise	A	0.45	523,345	233,412	523,345
Jul 23 2010	BCON	BEACON POWER CORP	CAPP F WILLIAM	President and CEO	Grant	A	0.00	220,098	0	806,248	586.2 K to 806.2 K (+37.55 %)
Jun 02 2010	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Buy	P	0.42	4,700	1,974	50,000	45.3 K to 50 K (+10.38 %)
Jun 02 2010	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Buy	P	0.42	10,000	4,199	45,300	35.3 K to 45.3 K (+28.33 %)
Jun 02 2010	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Buy	P	0.42	8,000	3,358	35,300	27.3 K to 35.3 K (+29.30 %)
Jun 02 2010	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Buy	P	0.42	600	252	27,300	26.7 K to 27.3 K (+2.25 %)
Jun 02 2010	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Buy	P	0.41	18,900	7,749	26,700	7.8 K to 26.7 K (+242.31 %)
Jun 02 2010	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Buy	P	0.41	6,800	2,774	7,800	1,000 to 7.8 K (+680.00 %)
Jun 02 2010	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Buy	P	0.41	1,000	408	1,000	0 to 1,000
Apr 28 2010	BCON	BEACON POWER CORP	Judson Judith	VP, Asset Mgmt & Mr ...	Option Exercise	A	0.45	263,552	117,544	263,552
Apr 28 2010	BCON	BEACON POWER CORP	SPIEZIO JAMES M	VP of Finance, CFO	Option Exercise	A	0.45	357,668	159,520	357,668
Apr 28 2010	BCON	BEACON POWER CORP	SPIEZIO JAMES M	VP of Finance, CFO	Sell	D	0.00	316,456	0	276,319	592.8 K to 276.3 K (-53.39 %)
Apr 28 2010	BCON	BEACON POWER CORP	LAZAREWICZ MATTHEW L	Chief Technical Off ...	Option Exercise	A	0.45	321,135	143,226	321,135
Apr 28 2010	BCON	BEACON POWER CORP	LAZAREWICZ MATTHEW L	Chief Technical Off ...	Sell	D	0.00	316,456	0	397,956	714.4 K to 398 K (-44.30 %)
Apr 28 2010	BCON	BEACON POWER CORP	CAPP F WILLIAM	President and CEO	Option Exercise	A	0.45	450,000	200,700	450,000
Apr 28 2010	BCON	BEACON POWER CORP	CAPP F WILLIAM	President and CEO	Sell	D	0.00	632,911	0	586,150	1.2 M to 586.2 K (-51.92 %)
Dec 03 2009	BCON	BEACON POWER CORP	Rose Virgil G	Director	Option Exercise	A	0.65	69,642	45,267	69,642
Dec 03 2009	BCON	BEACON POWER CORP	Rose Virgil G	Director	Option Exercise	A	0.65	11,901	7,736	11,901
Dec 03 2009	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Option Exercise	A	0.65	46,428	30,178	46,428
Dec 03 2009	BCON	BEACON POWER CORP	SMITH JACK P	Director	Option Exercise	A	0.65	46,428	30,178	46,428
Dec 03 2009	BCON	BEACON POWER CORP	Weihman Edward A	Director	Option Exercise	A	0.65	46,428	30,178	46,428
Dec 03 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Option Exercise	A	0.65	46,428	30,178	46,428
May 29 2009	BCON	BEACON POWER CORP	SMITH JACK P	Director	Buy	P	0.76	25,000	18,898	28,000	3 K to 28 K (+833.33 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	25,329	18,997	50,000	24.7 K to 50 K (+102.67 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	500	375	24,671	24.2 K to 24.7 K (+2.07 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	300	225	24,171	23.9 K to 24.2 K (+1.26 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	300	225	23,871	23.6 K to 23.9 K (+1.27 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	100	75	23,571	23.5 K to 23.6 K (+0.43 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	14,300	10,715	23,471	9.2 K to 23.5 K (+155.93 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	400	300	9,171	8.8 K to 9.2 K (+4.56 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	800	599	8,771	8 K to 8.8 K (+10.04 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	300	225	7,971	7.7 K to 8 K (+3.91 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	600	449	7,671	7.1 K to 7.7 K (+8.49 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	400	299	7,071	6.7 K to 7.1 K (+6.00 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	700	523	6,671	6 K to 6.7 K (+11.72 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	600	448	5,971	5.4 K to 6 K (+11.17 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	500	373	5,371	4.9 K to 5.4 K (+10.26 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	600	448	4,871	4.3 K to 4.9 K (+14.05 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	300	224	4,271	4 K to 4.3 K (+7.55 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	100	75	3,971	3.9 K to 4 K (+2.58 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	600	447	3,871	3.3 K to 3.9 K (+18.34 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.75	800	596	3,271	2.5 K to 3.3 K (+32.38 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.74	1,271	947	2,471	1.2 K to 2.5 K (+105.92 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.74	100	74	1,200	1.1 K to 1.2 K (+9.09 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.74	500	372	1,100	600 to 1.1 K (+83.33 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.74	100	74	600	500 to 600 (+20.00 %)
May 26 2009	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Buy	P	0.74	500	371	500	0 to 500
May 20 2009	BCON	BEACON POWER CORP	Rose Virgil G	Director	Buy	P	0.82	25,000	20,500	25,000	0 to 25 K
Apr 07 2009	BCON	BEACON POWER CORP	LAZAREWICZ MATTHEW L	Chief Technical Off ...	Option Exercise	A	0.49	122,911	60,226	122,911
Apr 07 2009	BCON	BEACON POWER CORP	LAZAREWICZ MATTHEW L	Chief Technical Off ...	Grant	A	0.00	13,639	0	714,412	700.8 K to 714.4 K (+1.95 %)
Apr 07 2009	BCON	BEACON POWER CORP	SPIEZIO JAMES M	VP of Finance, CFO	Option Exercise	A	0.49	136,918	67,090	136,918
Apr 07 2009	BCON	BEACON POWER CORP	SPIEZIO JAMES M	VP of Finance, CFO	Grant	A	0.00	15,214	0	592,775	577.6 K to 592.8 K (+2.63 %)
Apr 07 2009	BCON	BEACON POWER CORP	CAPP F WILLIAM	President and CEO	Option Exercise	A	0.49	349,535	171,272	349,535
Apr 07 2009	BCON	BEACON POWER CORP	CAPP F WILLIAM	President and CEO	Grant	A	0.00	38,820	0	1,219,061	1.2 M to 1.2 M (+3.29 %)
Jan 06 2009	BCON	BEACON POWER CORP	Quercus Trust		Sell	S	0.52	176,500	91,427	3,162,821	3.3 M to 3.2 M (-5.29 %)
Jan 06 2009	BCON	BEACON POWER CORP	Quercus Trust		Sell	S	0.53	244,549	130,614	3,339,321	3.6 M to 3.3 M (-6.82 %)
Jan 06 2009	BCON	BEACON POWER CORP	Quercus Trust		Sell	S	0.53	169,721	89,171	3,583,870	3.8 M to 3.6 M (-4.52 %)
Dec 29 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.53	11,900	6,286	3,838,539	3.9 M to 3.8 M (-0.31 %)
Dec 29 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.52	125,900	65,166	3,850,439	4 M to 3.9 M (-3.17 %)
Dec 31 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.53	53,748	28,223	3,753,591	3.8 M to 3.8 M (-1.41 %)
Dec 31 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.52	31,200	16,112	3,807,339	3.8 M to 3.8 M (-0.81 %)
Dec 23 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.54	189,000	102,060	3,976,339	4.2 M to 4 M (-4.54 %)
Dec 23 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.67	205,284	136,617	4,165,339	4.4 M to 4.2 M (-4.70 %)
Dec 23 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.63	115,396	72,803	4,370,623	4.5 M to 4.4 M (-2.57 %)
Dec 23 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.62	199,942	124,004	4,486,019	4.7 M to 4.5 M (-4.27 %)
Dec 23 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.57	62,900	35,822	4,685,961	4.7 M to 4.7 M (-1.32 %)
Dec 09 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.56	93,393	51,861	5,231,984	5.3 M to 5.2 M (-1.75 %)
Dec 09 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.55	4,400	2,420	5,325,377	5.3 M to 5.3 M (-0.08 %)
Dec 16 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.57	43,300	24,538	4,748,861	4.8 M to 4.7 M (-0.90 %)
Dec 16 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.55	46,314	25,630	4,792,161	4.8 M to 4.8 M (-0.96 %)
Dec 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.57	97,173	55,010	4,838,475	4.9 M to 4.8 M (-1.97 %)
Dec 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.57	74,603	42,718	4,935,648	5 M to 4.9 M (-1.49 %)
Dec 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.58	221,733	129,581	5,010,251	5.2 M to 5 M (-4.24 %)
Dec 05 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.56	57,800	32,085	5,329,777	5.4 M to 5.3 M (-1.07 %)
Dec 05 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.55	50,000	27,730	5,387,577	5.4 M to 5.4 M (-0.92 %)
Dec 05 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.56	106,288	59,213	5,437,577	5.5 M to 5.4 M (-1.92 %)
Dec 03 2008	BCON	BEACON POWER CORP	ADIK STEPHEN P	Director	Option Exercise	A	0.56	71,419	39,995	71,419
Dec 03 2008	BCON	BEACON POWER CORP	Rose Virgil G	Director	Option Exercise	A	0.56	71,419	39,995	71,419
Dec 03 2008	BCON	BEACON POWER CORP	SMITH JACK P	Director	Option Exercise	A	0.56	71,419	39,995	71,419
Dec 03 2008	BCON	BEACON POWER CORP	Weihman Edward A	Director	Option Exercise	A	0.56	71,419	39,995	71,419
Dec 02 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.60	58,665	35,170	5,543,865	5.6 M to 5.5 M (-1.05 %)
Dec 02 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.62	26,438	16,429	5,602,530	5.6 M to 5.6 M (-0.47 %)
Dec 02 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.62	146,143	90,389	5,628,968	5.8 M to 5.6 M (-2.53 %)
Dec 03 2008	BCON	BEACON POWER CORP	Kletter Daniel E	Director	Option Exercise	A	0.56	71,419	39,995	71,419
Nov 26 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.60	103,767	61,856	5,775,111	5.9 M to 5.8 M (-1.77 %)
Nov 26 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.62	60,513	37,766	5,878,878	5.9 M to 5.9 M (-1.02 %)
Nov 24 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.57	214,972	123,501	5,939,391	6.2 M to 5.9 M (-3.49 %)
Nov 24 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.66	21,312	14,036	6,154,363	6.2 M to 6.2 M (-0.35 %)
Nov 24 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	0.80	74,214	59,000	6,175,675	6.2 M to 6.2 M (-1.19 %)
Sep 23 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.34	9,600	12,884	6,249,889	6.3 M to 6.2 M (-0.15 %)
Sep 19 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.25	221,406	276,115	6,259,489	6.5 M to 6.3 M (-3.42 %)
Sep 19 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.20	20,100	24,106	6,480,895	6.5 M to 6.5 M (-0.31 %)
Sep 17 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.18	139,815	164,450	6,500,995	6.6 M to 6.5 M (-2.11 %)
Sep 17 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.14	22,400	25,552	6,640,810	6.7 M to 6.6 M (-0.34 %)
Sep 17 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.14	4,900	5,586	6,663,210	6.7 M to 6.7 M (-0.07 %)
Sep 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.14	200	228	6,668,110	6.7 M to 6.7 M (0.00 %)
Sep 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.16	21,097	24,574	6,668,310	6.7 M to 6.7 M (-0.32 %)
Sep 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.27	1,002	1,272	6,689,407	6.7 M to 6.7 M (-0.01 %)
Sep 10 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.31	11,097	14,575	6,690,409	6.7 M to 6.7 M (-0.17 %)
Aug 28 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.37	132,897	182,069	6,734,306	6.9 M to 6.7 M (-1.94 %)
Sep 04 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.39	1,800	2,502	6,701,506	6.7 M to 6.7 M (-0.03 %)
Sep 02 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.41	8,800	12,408	6,703,306	6.7 M to 6.7 M (-0.13 %)
Sep 02 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.42	22,200	31,524	6,712,106	6.7 M to 6.7 M (-0.33 %)
Aug 22 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.32	2,800	3,696	6,867,203	6.9 M to 6.9 M (-0.04 %)
Aug 20 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.34	64,303	86,166	6,870,003	6.9 M to 6.9 M (-0.93 %)
Aug 20 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.34	120,900	162,006	6,934,306	7.1 M to 6.9 M (-1.71 %)
Aug 20 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.34	200,000	268,000	7,055,206	7.3 M to 7.1 M (-2.76 %)
Aug 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.24	297,786	369,255	7,255,206	7.6 M to 7.3 M (-3.94 %)
Aug 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.34	241,080	323,047	7,512,992	7.8 M to 7.5 M (-3.11 %)
Aug 12 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.26	100,164	126,207	7,754,072	7.9 M to 7.8 M (-1.28 %)
Aug 04 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.29	89,200	115,068	7,854,236	7.9 M to 7.9 M (-1.12 %)
Jul 31 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.33	105,996	140,975	7,943,436	8 M to 7.9 M (-1.32 %)
Jul 30 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.31	102,806	134,676	8,049,432	8.2 M to 8 M (-1.26 %)
Jul 30 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.31	157,306	206,071	8,152,238	8.3 M to 8.2 M (-1.89 %)
Jul 29 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.34	131,126	175,709	8,309,544	8.4 M to 8.3 M (-1.55 %)
Jul 28 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.39	111,548	155,052	8,440,670	8.6 M to 8.4 M (-1.30 %)
Jul 28 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.37	111,957	153,381	8,552,218	8.7 M to 8.6 M (-1.29 %)
Jul 28 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.39	97,485	135,504	8,664,175	8.8 M to 8.7 M (-1.11 %)
Jul 28 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.39	222,601	309,415	8,761,660	9 M to 8.8 M (-2.48 %)
Jul 21 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.41	402,360	567,328	8,984,261	9.4 M to 9 M (-4.29 %)
Jul 21 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.35	248,118	334,959	9,386,621	9.6 M to 9.4 M (-2.58 %)
Jul 17 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.41	214,576	302,552	9,634,739	9.8 M to 9.6 M (-2.18 %)
Jul 17 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.32	265,139	349,983	9,849,315	10.1 M to 9.8 M (-2.62 %)
Jul 11 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.47	156,450	229,982	10,584,939	10.7 M to 10.6 M (-1.46 %)
Jul 11 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.59	416,106	661,609	10,741,389	11.2 M to 10.7 M (-3.73 %)
Jul 16 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.30	180,505	234,657	10,114,454	10.3 M to 10.1 M (-1.75 %)
Jul 16 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.30	170,380	221,494	10,294,959	10.5 M to 10.3 M (-1.63 %)
Jul 15 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.51	119,600	180,596	10,465,339	10.6 M to 10.5 M (-1.13 %)
Jul 08 2008	BCON	BEACON POWER CORP	Quercus Trust	10% Owner	Sell	S	1.46	743,075	1,084,890	11,157,495	11.9 M to 11.2 M (-6.24 %)

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