ADTRAN HOLDINGS INC

Ticker: ADTN CUSIP: 00486H105 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2025

Shares 13,719 Value ($000) $119 Avg Close $8.68 Range $7.11 - $10.75

Q3 2025

Shares 19,400 Value ($000) $182 Avg Close $9.32 Range $7.95 - $10.64

Q2 2024

Shares 13,469 Value ($000) $71 Avg Close $5.10 Range $4.34 - $5.87

Q1 2023

Shares 10,347 Value ($000) $164 Avg Close $16.92 Range $14.49 - $19.68

Q4 2022

Shares 17,909 Value ($000) $337 Avg Close $19.51 Range $17.59 - $22.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,719	$119	$8.68	$7.11 - $10.75
Q3 2025	19,400	$182	$9.32	$7.95 - $10.64
Q2 2024	13,469	$71	$5.10	$4.34 - $5.87
Q1 2023	10,347	$164	$16.92	$14.49 - $19.68
Q4 2022	17,909	$337	$19.51	$17.59 - $22.50