CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Empirical Finance, LLC's Holding History (CIK: 0001572838)

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

Q2 2021

Shares 25,009 Value ($000) $1,322 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 25,009 Value ($000) $1,322 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 25,009 Value ($000) $1,322 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 25,009 Value ($000) $993 Avg Close $52.62 Range $38.20 - $61.52

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	25,009	$1,322	$55.12	$49.51 - $61.09
Q1 2021	25,009	$1,322	$53.81	$47.52 - $57.57
Q4 2020	25,009	$1,322	$44.43	$38.03 - $54.05
Q3 2020	25,009	$993	$52.62	$38.20 - $61.52