CIENA CORP

Ticker: CIEN CUSIP: 171779309 Class: EQTY

Pinnacle Bancorp, Inc.'s Holding History (CIK: 0001703383)

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

Q4 2025

Shares 156 Value ($000) $36 Avg Close $194.00 Range $143.19 - $248.00

Q3 2025

Shares 220 Value ($000) $32 Avg Close $101.84 Range $76.89 - $146.53

Q2 2025

Shares 265 Value ($000) $22 Avg Close $71.73 Range $49.21 - $86.21

Q1 2025

Shares 270 Value ($000) $16 Avg Close $79.05 Range $58.04 - $101.44

Q4 2024

Shares 270 Value ($000) $23 Avg Close $71.76 Range $59.60 - $91.82

Q3 2024

Shares 245 Value ($000) $15 Avg Close $52.69 Range $44.89 - $63.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	156	$36	$194.00	$143.19 - $248.00
Q3 2025	220	$32	$101.84	$76.89 - $146.53
Q2 2025	265	$22	$71.73	$49.21 - $86.21
Q1 2025	270	$16	$79.05	$58.04 - $101.44
Q4 2024	270	$23	$71.76	$59.60 - $91.82
Q3 2024	245	$15	$52.69	$44.89 - $63.06