CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Vontobel Holding Ltd.'s Holding History (CIK: 0001588340)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 39,702 Value ($000) $9,285 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 2,190 Value ($000) $319 Avg Close $101.84 Range $76.89 - $146.53

Q1 2024

Shares 6,175 Value ($000) $305 Avg Close $52.75 Range $44.22 - $63.24

Q1 2022

Shares 19,106 Value ($000) $1,172 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 13,590 Value ($000) $1,045 Avg Close $61.70 Range $51.01 - $78.28

Q4 2020

Shares 7,800 Value ($000) $412 Avg Close $44.43 Range $38.03 - $54.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,702	$9,285	$194.00	$143.19 - $248.00
Q3 2025	2,190	$319	$101.84	$76.89 - $146.53
Q1 2024	6,175	$305	$52.75	$44.22 - $63.24
Q1 2022	19,106	$1,172	$65.45	$53.29 - $77.38
Q4 2021	13,590	$1,045	$61.70	$51.01 - $78.28
Q4 2020	7,800	$412	$44.43	$38.03 - $54.05