CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

SHERBROOKE PARK ADVISERS LLC's Holding History (CIK: 0001965377)

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

Q3 2025

Shares 4,754 Value ($000) $693 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 8,813 Value ($000) $717 Avg Close $71.73 Range $49.21 - $86.21

Q4 2024

Shares 7,264 Value ($000) $616 Avg Close $71.76 Range $59.60 - $91.82

Q1 2024

Shares 35,710 Value ($000) $1,766 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 14,881 Value ($000) $670 Avg Close $44.09 Range $39.94 - $48.36

Q2 2023

Shares 20,700 Value ($000) $880 Avg Close $45.54 Range $40.84 - $52.67

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	4,754	$693	$101.84	$76.89 - $146.53
Q2 2025	8,813	$717	$71.73	$49.21 - $86.21
Q4 2024	7,264	$616	$71.76	$59.60 - $91.82
Q1 2024	35,710	$1,766	$52.75	$44.22 - $63.24
Q4 2023	14,881	$670	$44.09	$39.94 - $48.36
Q2 2023	20,700	$880	$45.54	$40.84 - $52.67