CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

DUNCKER STREETT & CO INC's Holding History (CIK: 0001020585)

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

Q4 2021

Shares 950 Value ($000) $73 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 950 Value ($000) $49 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 950 Value ($000) $54 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 950 Value ($000) $52 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 950 Value ($000) $50 Avg Close $44.43 Range $38.03 - $54.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	950	$73	$61.70	$51.01 - $78.28
Q3 2021	950	$49	$55.54	$50.34 - $58.85
Q2 2021	950	$54	$55.12	$49.51 - $61.09
Q1 2021	950	$52	$53.81	$47.52 - $57.57
Q4 2020	950	$50	$44.43	$38.03 - $54.05