M David Rothenstein

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
CIEN	$15.09	1,040	$15,694.74	143,023	2010-09-20	Filing
CIEN	$15.09	668	$10,081.66	144,063	2010-09-20	Filing
CIEN	$14.38	217	$3,120.61	137,031	2010-06-22	Filing
CIEN	$14.38	225	$3,235.59	137,248	2010-06-22	Filing
CIEN	$14.38	1,035	$14,883.92	137,473	2010-06-22	Filing
CIEN	$14.38	2,586	$37,188.23	138,508	2010-06-22	Filing
CIEN	$14.38	168	$2,416.01	141,094	2010-06-22	Filing
CIEN	$14.47	1,053	$15,238.81	141,262	2010-03-22	Filing
CIEN	$14.47	2,727	$39,463.78	142,315	2010-03-22	Filing
CIEN	$14.47	261	$3,777.30	145,042	2010-03-22	Filing
CIEN	$14.47	202	$2,923.55	145,303	2010-03-22	Filing
CIEN	$14.47	271	$3,922.07	145,505	2010-03-22	Filing
CIEN	$15.95	600	$9,570.00	145,776	2010-03-11	Filing
CIEN	$15.95	2,900	$46,255.29	146,376	2010-03-11	Filing
CIEN	$10.91	2,586	$28,214.55	149,276	2009-12-21	Filing
CIEN	$10.91	217	$2,367.51	151,862	2009-12-21	Filing
CIEN	$10.91	168	$1,832.93	152,079	2009-12-21	Filing
CIEN	$10.91	226	$2,465.80	152,247	2009-12-21	Filing
CIEN	$15.47	2,644	$40,909.03	104,473	2009-09-21	Filing
CIEN	$15.48	222	$3,435.45	107,117	2009-09-21	Filing