CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

KBC Group NV's Holding History (CIK: 0001411133)

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

Q4 2025

Shares 31,161 Value ($000) $7 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 28,005 Value ($000) $4 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 28,005 Value ($000) $2 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 30,039 Value ($000) $2 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 30,057 Value ($000) $3 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 50,161 Value ($000) $3 Avg Close $52.69 Range $44.89 - $63.06

Q2 2024

Shares 49,673 Value ($000) $2 Avg Close $47.46 Range $43.30 - $53.58

Q1 2024

Shares 49,240 Value ($000) $2 Avg Close $52.75 Range $44.22 - $63.24

Q4 2023

Shares 48,723 Value ($000) $2 Avg Close $44.09 Range $39.94 - $48.36

Q3 2023

Shares 48,389 Value ($000) $2 Avg Close $44.08 Range $40.10 - $50.72

Q2 2023

Shares 46,046 Value ($000) $2 Avg Close $45.54 Range $40.84 - $52.67

Q1 2023

Shares 46,046 Value ($000) $2 Avg Close $49.92 Range $45.83 - $54.25

Q4 2022

Shares 81,186 Value ($000) $4 Avg Close $45.21 Range $38.33 - $52.51

Q3 2022

Shares 78,316 Value ($000) $3 Avg Close $48.05 Range $39.44 - $56.38

Q2 2022

Shares 46,046 Value ($000) $2 Avg Close $51.84 Range $41.63 - $61.78

Q1 2022

Shares 51,929 Value ($000) $3 Avg Close $65.45 Range $53.29 - $77.38

Q4 2021

Shares 54,742 Value ($000) $4 Avg Close $61.70 Range $51.01 - $78.28

Q3 2021

Shares 45,217 Value ($000) $2,322 Avg Close $55.54 Range $50.34 - $58.85

Q2 2021

Shares 110,303 Value ($000) $6,275 Avg Close $55.12 Range $49.51 - $61.09

Q1 2021

Shares 117,496 Value ($000) $6,429 Avg Close $53.81 Range $47.52 - $57.57

Q4 2020

Shares 116,568 Value ($000) $6,161 Avg Close $44.43 Range $38.03 - $54.05

Q3 2020

Shares 82,947 Value ($000) $3,292 Avg Close $52.62 Range $38.20 - $61.52

Q2 2020

Shares 21,474 Value ($000) $1,163 Avg Close $49.71 Range $38.00 - $57.19

Q2 2018

Shares 2,092 Value ($000) $55 Avg Close $25.40 Range $22.99 - $27.10

Q1 2018

Shares 2,361 Value ($000) $61 Avg Close $23.53 Range $20.71 - $27.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,161	$7	$194.00	$143.19 - $248.00
Q3 2025	28,005	$4	$101.84	$76.89 - $146.53
Q2 2025	28,005	$2	$71.73	$49.21 - $86.21
Q1 2025	30,039	$2	$79.05	$58.04 - $101.44
Q4 2024	30,057	$3	$71.76	$59.60 - $91.82
Q3 2024	50,161	$3	$52.69	$44.89 - $63.06
Q2 2024	49,673	$2	$47.46	$43.30 - $53.58
Q1 2024	49,240	$2	$52.75	$44.22 - $63.24
Q4 2023	48,723	$2	$44.09	$39.94 - $48.36
Q3 2023	48,389	$2	$44.08	$40.10 - $50.72
Q2 2023	46,046	$2	$45.54	$40.84 - $52.67
Q1 2023	46,046	$2	$49.92	$45.83 - $54.25
Q4 2022	81,186	$4	$45.21	$38.33 - $52.51
Q3 2022	78,316	$3	$48.05	$39.44 - $56.38
Q2 2022	46,046	$2	$51.84	$41.63 - $61.78
Q1 2022	51,929	$3	$65.45	$53.29 - $77.38
Q4 2021	54,742	$4	$61.70	$51.01 - $78.28
Q3 2021	45,217	$2,322	$55.54	$50.34 - $58.85
Q2 2021	110,303	$6,275	$55.12	$49.51 - $61.09
Q1 2021	117,496	$6,429	$53.81	$47.52 - $57.57
Q4 2020	116,568	$6,161	$44.43	$38.03 - $54.05
Q3 2020	82,947	$3,292	$52.62	$38.20 - $61.52
Q2 2020	21,474	$1,163	$49.71	$38.00 - $57.19
Q2 2018	2,092	$55	$25.40	$22.99 - $27.10
Q1 2018	2,361	$61	$23.53	$20.71 - $27.73