Historical shareholding details of Ms. Joanne B. Olsen holdings in CIENA Corp. (CIEN)

Monthly changes of Ms. Joanne B. Olsen shareholding in CIENA Corp. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 27, 2025	Ms. Joanne B. Olsen	34,398	0.02%

Mar 21, 2024	Ms. Joanne B. Olsen	30,660	0.02%

Mar 30, 2023	Ms. Joanne B. Olsen	26,222	0.02%