CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Stanley-Laman Group, Ltd.'s Holding History (CIK: 0001601489)

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

Q2 2025

Shares 73,076 Value ($000) $5,943 Avg Close $71.73 Range $49.21 - $86.21

Q2 2024

Shares 72,214 Value ($000) $3,479 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 74,624 Value ($000) $3,690 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 76,082 Value ($000) $3,424 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 73,662 Value ($000) $3,481 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 75,149 Value ($000) $3,193 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 74,758 Value ($000) $3,926 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 73,443 Value ($000) $3,744 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 75,849 Value ($000) $3,067 Avg Close $48.05 Range $39.44 - $56.38

Q4 2020

Shares 115,587 Value ($000) $6,109 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 107,337 Value ($000) $4,260 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 104,599 Value ($000) $5,665 Avg Close $49.71 Range $38.00 - $57.19

Q3 2019

Shares 6,745 Value ($000) $265 Avg Close $41.92 Range $37.94 - $46.78

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	73,076	$5,943	$71.73	$49.21 - $86.21
Q2 2024	72,214	$3,479	$47.46	$43.30 - $53.58
Q1 2024	74,624	$3,690	$52.75	$44.22 - $63.24
Q4 2023	76,082	$3,424	$44.09	$39.94 - $48.36
Q3 2023	73,662	$3,481	$44.08	$40.10 - $50.72
Q2 2023	75,149	$3,193	$45.54	$40.84 - $52.67
Q1 2023	74,758	$3,926	$49.92	$45.83 - $54.25
Q4 2022	73,443	$3,744	$45.21	$38.33 - $52.51
Q3 2022	75,849	$3,067	$48.05	$39.44 - $56.38
Q4 2020	115,587	$6,109	$44.43	$38.03 - $54.05
Q3 2020	107,337	$4,260	$52.62	$38.20 - $61.52
Q2 2020	104,599	$5,665	$49.71	$38.00 - $57.19
Q3 2019	6,745	$265	$41.92	$37.94 - $46.78