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

Overview of all insider trading transactions in Energy Recovery, Inc.. Get notifications about new insider transactions in Energy Recovery, Inc. for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Apr 21 2016	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Sell	S	12.59	50,000	629,310	1,145,800	1.2 M to 1.1 M (-4.18 %)
Dec 16 2015	ERII	Energy Recovery, I ...	Otero Juan	Gen Counsel,CCO,Cor ...	Buy	P	7.04	6,715	47,270	6,715	0 to 6.7 K
Dec 10 2015	ERII	Energy Recovery, I ...	Gannon Chris M	CFO	Option Exercise	A	6.88	100,000	688,000	300,000
Nov 20 2015	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	7.00	69,700	487,635	300,000	369.7 K to 300 K (-18.85 %)
Nov 18 2015	ERII	Energy Recovery, I ...	Gannon Chris M	CFO	Buy	P	7.54	6,306	47,522	6	-6,300 to 6 (-100.10 %)
Nov 18 2015	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Sell	S	7.12	75,000	533,700	1,305,800	1.4 M to 1.3 M (-5.43 %)
Nov 17 2015	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	7.13	13,647	97,291	369,700	383.3 K to 369.7 K (-3.56 %)
Nov 17 2015	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	7.53	12,753	96,031	383,347	396.1 K to 383.3 K (-3.22 %)
Nov 13 2015	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	7.65	2,900	22,179	395,100	398 K to 395.1 K (-0.73 %)
Nov 13 2015	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	7.77	10,700	83,117	399,000	409.7 K to 399 K (-2.61 %)
Jun 25 2015	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	Director	Option Exercise	A	2.92	53,392	155,905	69,841
Jun 25 2015	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Option Exercise	A	2.92	53,392	155,905	299,834
Jun 25 2015	ERII	Energy Recovery, I ...	MAO ROBERT YU LANG	Director	Option Exercise	A	2.92	53,392	155,905	224,834
Jun 25 2015	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Option Exercise	A	2.92	53,392	155,905	449,834
Jun 25 2015	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Option Exercise	A	2.92	53,392	155,905	215,084
Jun 25 2015	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	Director	Option Exercise	A	2.92	53,392	155,905	69,841
Mar 16 2015	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	10% Owner	Buy	P	2.74	200,000	548,760	8,490,334	8.3 M to 8.5 M (+2.41 %)
Mar 13 2015	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Sell	S	2.86	40,000	114,556	1,380,800	1.4 M to 1.4 M (-2.82 %)
Mar 12 2015	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	Director	Buy	P	2.87	15,000	43,058	120,000	105 K to 120 K (+14.29 %)
Mar 12 2015	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	Director	Buy	P	2.82	30,000	84,462	105,000	75 K to 105 K (+40.00 %)
Mar 12 2015	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	Director	Buy	P	2.82	15,000	42,237	75,000	60 K to 75 K (+25.00 %)
Mar 12 2015	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	Director	Buy	P	2.81	30,000	84,369	60,000	30 K to 60 K (+100.00 %)
Mar 12 2015	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	Director	Buy	P	2.76	30,000	82,809	30,000	0 to 30 K
Mar 12 2015	ERII	Energy Recovery, I ...	STROUD ANDREW B JR	VP, Human Resources	Buy	P	2.83	1,700	4,808	1,700	0 to 1.7 K
Mar 11 2015	ERII	Energy Recovery, I ...	Barnes David	Chief Sales Officer	Option Exercise	A	2.75	61,501	169,128	136,501
Mar 11 2015	ERII	Energy Recovery, I ...	Gay Joel	CFO	Option Exercise	A	2.75	307,503	845,633	549,503
Mar 11 2015	ERII	Energy Recovery, I ...	SMITH LENOX SHARON E	Controller	Option Exercise	A	2.75	36,900	101,475	88,752
Mar 11 2015	ERII	Energy Recovery, I ...	Bensalah Nocair	VP of Manufacturing	Option Exercise	A	2.75	133,456	367,004	284,030
Mar 11 2015	ERII	Energy Recovery, I ...	Otero Juan	Corporate Counsel & ...	Option Exercise	A	2.75	106,396	292,589	231,657
Feb 10 2015	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	Director	Option Exercise	A	3.53	16,449	58,065	16,449
Feb 09 2015	ERII	Energy Recovery, I ...	Pate-Cornell Marie-Elisabeth L ...	Director	Option Exercise	A	3.53	44,456	156,930	246,442
Feb 09 2015	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Option Exercise	A	3.53	44,456	156,930	161,692
Feb 09 2015	ERII	Energy Recovery, I ...	MAO ROBERT YU LANG	Director	Option Exercise	A	3.53	44,456	156,930	171,442
Feb 09 2015	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Option Exercise	A	3.53	44,456	156,930	396,442
Feb 09 2015	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Option Exercise	A	3.53	44,456	156,930	246,442
Feb 09 2015	ERII	Energy Recovery, I ...	Johannessen Fred Olav	Director	Option Exercise	A	3.53	44,456	156,930	246,442
Feb 09 2015	ERII	Energy Recovery, I ...	Cook Paul M.	Director	Option Exercise	A	3.53	44,456	156,930	246,442
Jan 06 2015	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Grant	A	0.00	27,609	0	447,651	420 K to 447.7 K (+6.57 %)
Dec 15 2014	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Sell	S	4.64	80,000	371,432	1,570,800	1.7 M to 1.6 M (-4.85 %)
Nov 12 2014	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	10% Owner	Buy	P	4.52	158,907	717,688	8,290,334	8.1 M to 8.3 M (+1.95 %)
Nov 07 2014	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	10% Owner	Buy	P	4.30	116,700	501,717	8,131,427	8 M to 8.1 M (+1.46 %)
Nov 07 2014	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	10% Owner	Buy	P	4.21	80,500	338,808	8,014,727	7.9 M to 8 M (+1.01 %)
Oct 03 2014	ERII	Energy Recovery, I ...	Gay Joel	CFO	Option Exercise	A	3.31	100,000	331,000	242,000
Sep 04 2014	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	10% Owner	Buy	P	4.38	735,000	3,215,625	7,934,227	7.2 M to 7.9 M (+10.21 %)
Aug 13 2014	ERII	Energy Recovery, I ...	Johannessen Fred Olav	Director	Gift	G	4.24	19,500	82,680	850,000	869.5 K to 850 K (-2.24 %)
Jul 08 2014	ERII	Energy Recovery, I ...	Gay Joel	CFO	Option Exercise	A	4.91	100,000	491,000	142,000
Jun 20 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	16,409	42,335	626,833
Jun 19 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	25,000	64,500	643,242
Jun 19 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	25,000	64,500	668,242
Jun 05 2014	ERII	Energy Recovery, I ...	Johannessen Fred Olav	Director	Gift	G	5.56	50,000	278,000	869,500	919.5 K to 869.5 K (-5.44 %)
May 30 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	5.15	7,018	36,134	420,042	413 K to 420 K (+1.70 %)
May 30 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	5.15	14,553	74,925	413,024	398.5 K to 413 K (+3.65 %)
May 28 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	4.99	16,045	80,000	398,471	382.4 K to 398.5 K (+4.20 %)
May 28 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	4.85	1,000	4,845	382,426	381.4 K to 382.4 K (+0.26 %)
May 28 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	4.38	6,800	29,784	381,426	374.6 K to 381.4 K (+1.82 %)
May 28 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	4.63	15,721	72,773	374,626	358.9 K to 374.6 K (+4.38 %)
May 21 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Option Exercise	X	2.49	45,708	113,813	117,236
May 21 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Option Exercise	X	2.61	39,042	101,900	162,944
May 21 2014	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	M	4.49	84,750	380,528	358,905	274.2 K to 358.9 K (+30.91 %)
May 21 2014	ERII	Energy Recovery, I ...	MAO ROBERT YU LANG	Director	Buy	P	4.58	2,200	10,085	57,361	55.2 K to 57.4 K (+3.99 %)
May 21 2014	ERII	Energy Recovery, I ...	MAO ROBERT YU LANG	Director	Buy	P	4.56	47,800	218,202	55,161	7.4 K to 55.2 K (+649.37 %)
May 07 2014	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	10% Owner	Buy	P	5.21	1,000,000	5,209,100	7,199,227	6.2 M to 7.2 M (+16.13 %)
Apr 28 2014	ERII	Energy Recovery, I ...	ROONEY THOMAS S JR	President, CEO	Option Exercise	A	4.96	440,000	2,182,400	1,967,135
Mar 27 2014	ERII	Energy Recovery, I ...	Johannessen Fred Olav	Director	Sell	S	5.47	80,000	437,472	102,200	182.2 K to 102.2 K (-43.91 %)
Mar 27 2014	ERII	Energy Recovery, I ...	Johannessen Fred Olav	Director	Sell	S	5.46	100,000	545,890	919,500	1 M to 919.5 K (-9.81 %)
Mar 21 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	2,340	6,037	693,242
Mar 14 2014	ERII	Energy Recovery, I ...	Sanchez-Blanco Borja	SVP, Sales	Option Exercise	A	6.00	84,000	504,000	712,759
Mar 14 2014	ERII	Energy Recovery, I ...	Audrey Bold	Chief Marketing Off ...	Option Exercise	A	6.00	84,000	504,000	268,338
Mar 14 2014	ERII	Energy Recovery, I ...	Krish Prem	Chief Technology Of ...	Option Exercise	A	6.00	84,000	504,000	273,894
Mar 14 2014	ERII	Energy Recovery, I ...	Otero Juan	Corporate Counsel & ...	Option Exercise	A	6.00	56,000	336,000	125,261
Mar 14 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	A	6.00	100,000	600,000	695,582
Mar 14 2014	ERII	Energy Recovery, I ...	Bensalah Nocair	VP of Manufacturing	Option Exercise	A	6.00	42,000	252,000	150,574
Mar 14 2014	ERII	Energy Recovery, I ...	SMITH LENOX SHARON E	Controller	Option Exercise	A	6.00	42,000	252,000	51,852
Mar 13 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	6,108	15,759	595,582
Mar 13 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	9,221	23,790	601,690
Mar 13 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	25,000	64,500	610,911
Mar 11 2014	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Sell	S	6.01	80,000	480,800	1,650,800	1.7 M to 1.7 M (-4.62 %)
Mar 10 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	25,000	64,500	635,911
Mar 10 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	25,000	64,500	660,911
Mar 10 2014	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	M	2.58	25,000	64,500	685,911
Feb 20 2014	ERII	Energy Recovery, I ...	Lorentzen Ole Peter	10% Owner	Buy	P	4.17	100,000	417,420	6,199,227	6.1 M to 6.2 M (+1.64 %)
Dec 03 2013	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	5.01	20,300	101,662	409,700	430 K to 409.7 K (-4.72 %)
Nov 14 2013	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	4.85	10,552	51,177	274,155	263.6 K to 274.2 K (+4.00 %)
Nov 14 2013	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	4.60	54,070	248,722	263,603	209.5 K to 263.6 K (+25.81 %)
Sep 05 2013	ERII	Energy Recovery, I ...	Pate-Cornell Marie-Elisabeth L ...	Director	Option Exercise	A	5.43	17,236	93,591	201,986
Sep 05 2013	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Option Exercise	A	5.43	17,236	93,591	201,986
Sep 05 2013	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Option Exercise	A	5.43	17,236	93,591	351,986
Sep 05 2013	ERII	Energy Recovery, I ...	Johannessen Fred Olav	Director	Option Exercise	A	5.43	17,236	93,591	201,986
Sep 05 2013	ERII	Energy Recovery, I ...	MAO ROBERT YU LANG	Director	Option Exercise	A	5.43	17,236	93,591	126,986
Sep 05 2013	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Option Exercise	A	5.43	17,236	93,591	201,986
Sep 05 2013	ERII	Energy Recovery, I ...	Cook Paul M.	Director	Option Exercise	A	5.43	17,236	93,591	201,986
Sep 03 2013	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Buy	P	5.06	39,900	201,894	1,730,800	1.7 M to 1.7 M (+2.36 %)
Sep 03 2013	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Buy	P	5.20	40,900	212,680	1,690,900	1.7 M to 1.7 M (+2.48 %)
May 15 2013	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	3.50	57,143	199,943	209,533	152.4 K to 209.5 K (+37.50 %)
Mar 15 2013	ERII	Energy Recovery, I ...	SMITH LENOX SHARON E	Controller	Option Exercise	A	3.92	9,852	38,620	9,852
Mar 15 2013	ERII	Energy Recovery, I ...	ROONEY THOMAS S JR	President, CEO	Option Exercise	A	3.92	123,153	482,760	1,527,135
Mar 15 2013	ERII	Energy Recovery, I ...	Sanchez-Blanco Borja	SVP, Sales	Option Exercise	A	3.92	73,892	289,657	408,759
Mar 15 2013	ERII	Energy Recovery, I ...	Otero Juan	Corporate Counsel & ...	Option Exercise	A	3.92	49,261	193,103	69,261
Mar 15 2013	ERII	Energy Recovery, I ...	Krish Prem	Chief Technology Of ...	Option Exercise	A	3.92	98,522	386,206	189,894
Mar 15 2013	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	A	3.92	98,522	386,206	710,911
Mar 15 2013	ERII	Energy Recovery, I ...	Bensalah Nocair	VP of Manufacturing	Option Exercise	A	3.92	24,631	96,554	108,574
Mar 15 2013	ERII	Energy Recovery, I ...	Audrey Bold	Chief Marketing Off ...	Option Exercise	A	3.92	73,892	289,657	184,338
Jan 03 2013	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	3.43	30,000	102,810	430,000	460 K to 430 K (-6.52 %)
Dec 04 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	3.17	15,000	47,550	460,000	475 K to 460 K (-3.16 %)
Dec 04 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Sell	S	3.13	15,000	46,950	475,000	490 K to 475 K (-3.06 %)
Aug 16 2012	ERII	Energy Recovery, I ...	Pate-Cornell Marie-Elisabeth L ...	Director	Option Exercise	A	2.49	45,708	113,813	45,708
Aug 16 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Director	Option Exercise	A	2.49	45,708	113,813	45,708
Aug 16 2012	ERII	Energy Recovery, I ...	MAO ROBERT YU LANG	Director	Option Exercise	A	2.49	45,708	113,813	45,708
Aug 16 2012	ERII	Energy Recovery, I ...	Johannessen Fred Olav	Director	Option Exercise	A	2.49	45,708	113,813	45,708
Aug 16 2012	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Option Exercise	A	2.49	45,708	113,813	45,708
Aug 16 2012	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Option Exercise	A	2.49	45,708	113,813	45,708
Aug 16 2012	ERII	Energy Recovery, I ...	Cook Paul M.	Director	Option Exercise	A	2.49	45,708	113,813	45,708
Jul 05 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.42	10,000	24,207	490,000	500 K to 490 K (-2.00 %)
Jul 05 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.42	53,730	129,919	500,000	553.7 K to 500 K (-9.70 %)
Apr 04 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.26	63,730	143,794	553,730	617.5 K to 553.7 K (-10.32 %)
Mar 21 2012	ERII	Energy Recovery, I ...	Sanchez-Blanco Borja	EVP, Sales, Mktg & ...	Option Exercise	A	2.46	38,716	95,241	154,867
Mar 21 2012	ERII	Energy Recovery, I ...	Bensalah Nocair	VP of Manufacturing	Option Exercise	A	2.46	11,062	27,213	44,248
Mar 21 2012	ERII	Energy Recovery, I ...	Bokas Deno G	VP Finance and CAO	Option Exercise	A	2.46	6,637	16,327	26,549
Mar 21 2012	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	A	2.46	53,097	130,619	212,389
Mar 21 2012	ERII	Energy Recovery, I ...	ROONEY THOMAS S JR	President, CEO	Option Exercise	A	2.46	88,495	217,698	353,382
Mar 16 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.23	10,000	22,323	617,460	627.5 K to 617.5 K (-1.59 %)
Mar 15 2012	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	2.26	3,410	7,707	165,865	162.5 K to 165.9 K (+2.10 %)
Mar 15 2012	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	2.33	62,294	145,014	162,455	100.2 K to 162.5 K (+62.19 %)
Mar 15 2012	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	2.40	40,340	96,772	100,161	59.8 K to 100.2 K (+67.43 %)
Feb 21 2012	ERII	Energy Recovery, I ...	Bokas Deno G	VP Finance and CAO	Option Exercise	A	2.46	19,912	48,984	0
Feb 21 2012	ERII	Energy Recovery, I ...	Sanchez-Blanco Borja	EVP, Sales, Mktg & ...	Option Exercise	A	2.46	116,151	285,731	0
Feb 21 2012	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	A	2.46	159,292	391,858	0
Feb 21 2012	ERII	Energy Recovery, I ...	ROONEY THOMAS S JR	President, CEO	Option Exercise	A	2.46	265,487	653,098	0
Feb 03 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.41	19,200	46,251	627,460	646.7 K to 627.5 K (-2.97 %)
Feb 03 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.34	20,400	47,803	646,660	667.1 K to 646.7 K (-3.06 %)
Feb 03 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.36	60,400	142,755	667,060	727.5 K to 667.1 K (-8.30 %)
Jan 05 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.59	89,978	233,142	727,460	817.4 K to 727.5 K (-11.01 %)
Jan 05 2012	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Sell	S	2.64	60,022	158,740	817,438	877.5 K to 817.4 K (-6.84 %)
Jan 04 2012	ERII	Energy Recovery, I ...	ROONEY THOMAS S JR	President, CEO	Option Exercise	A	2.59	250,000	647,500	250,000
Dec 14 2011	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	2.71	2,800	7,588	59,821	57 K to 59.8 K (+4.91 %)
Nov 28 2011	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	2.27	6,597	14,991	57,021	50.4 K to 57 K (+13.08 %)
Nov 23 2011	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Buy	P	2.41	11,382	27,390	50,424	39 K to 50.4 K (+29.15 %)
Sep 20 2011	ERII	Energy Recovery, I ...	Trempont Dominique	Director	Option Exercise	A	2.61	39,042	101,900	39,042
Sep 20 2011	ERII	Energy Recovery, I ...	Pate-Cornell Marie-Elisabeth L ...	Director	Option Exercise	A	2.61	39,042	101,900	0
Sep 20 2011	ERII	Energy Recovery, I ...	MAO ROBERT YU LANG	Director	Option Exercise	A	2.61	39,042	101,900	39,042
Sep 20 2011	ERII	Energy Recovery, I ...	Johannessen Fred Olav	Director	Option Exercise	A	2.61	39,042	101,900	39,042
Sep 20 2011	ERII	Energy Recovery, I ...	Hanstveit Arve	Director	Option Exercise	A	2.61	39,042	101,900	39,042
Sep 20 2011	ERII	Energy Recovery, I ...	Michelet Hans Peter	Chairman	Option Exercise	A	2.61	39,042	101,900	39,042
Sep 20 2011	ERII	Energy Recovery, I ...	Cook Paul M.	Director	Option Exercise	A	2.61	39,042	101,900	39,042
Aug 03 2011	ERII	Energy Recovery, I ...	Michelet Hans Peter	Executive Chairman	Sell	S	2.95	100,000	295,450	877,460	977.5 K to 877.5 K (-10.23 %)
Jun 16 2011	ERII	Energy Recovery, I ...	MAO ROBERT YU LANG	Director	Buy	S	2.67	7,361	19,671	7,361	0 to 7.4 K
Jun 03 2011	ERII	Energy Recovery, I ...	BUEHLER ALEXANDER J	CFO	Option Exercise	A	2.58	400,000	1,032,000	400,000
May 20 2011	ERII	Energy Recovery, I ...	Pique Gonzalo G	Director	Sell	S	2.96	20,000	59,200	130,000	150 K to 130 K (-13.33 %)
May 20 2011	ERII	Energy Recovery, I ...	Pique Gonzalo G	Director	Sell	S	2.95	11,000	32,450	150,000	161 K to 150 K (-6.83 %)
May 04 2011	ERII	Energy Recovery, I ...	Michelet Hans Peter	Executive Chairman	Sell	S	2.94	5,600	16,478	977,460	983.1 K to 977.5 K (-0.57 %)

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