CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q2 2025

Shares 13,013 Value ($000) $1,058 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 13,013 Value ($000) $786 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 21,222 Value ($000) $1,800 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 25,576 Value ($000) $1,575 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 19,325 Value ($000) $931 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 9,800 Value ($000) $485 Avg Close $52.75 Range $44.22 - $63.24

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	13,013	$1,058	$71.73	$49.21 - $86.21
Q1 2025	13,013	$786	$79.05	$58.04 - $101.44
Q4 2024	21,222	$1,800	$71.76	$59.60 - $91.82
Q3 2024	25,576	$1,575	$52.69	$44.89 - $63.06
Q2 2024	19,325	$931	$47.46	$43.30 - $53.58
Q1 2024	9,800	$485	$52.75	$44.22 - $63.24