CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.'s Holding History (CIK: 0001021642)

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

Q4 2025

Shares 63,462 Value ($000) $14,842 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 713,696 Value ($000) $103,964 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 1,235,696 Value ($000) $100,499 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 259,904 Value ($000) $16 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 799,546 Value ($000) $68 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 656,196 Value ($000) $40 Avg Close $52.69 Range $44.89 - $63.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	63,462	$14,842	$194.00	$143.19 - $248.00
Q3 2025	713,696	$103,964	$101.84	$76.89 - $146.53
Q2 2025	1,235,696	$100,499	$71.73	$49.21 - $86.21
Q1 2025	259,904	$16	$79.05	$58.04 - $101.44
Q4 2024	799,546	$68	$71.76	$59.60 - $91.82
Q3 2024	656,196	$40	$52.69	$44.89 - $63.06