CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Mesirow Financial Investment Management, Inc.'s Holding History (CIK: 0001469475)

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

Q4 2025

Shares 2,400 Value ($000) $561 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 2,400 Value ($000) $350 Avg Close $101.84 Range $76.89 - $146.53

Q4 2024

Shares 2,400 Value ($000) $204 Avg Close $71.76 Range $59.60 - $91.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,400	$561	$194.00	$143.19 - $248.00
Q3 2025	2,400	$350	$101.84	$76.89 - $146.53
Q4 2024	2,400	$204	$71.76	$59.60 - $91.82