ADTRAN HOLDINGS INC

Ticker: ADTN CUSIP: 00486H105 Class: Common Stock

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q1 2025

Shares 10,887 Value ($000) $95 Avg Close $10.06 Range $8.30 - $12.44

Q4 2023

Shares 10,810 Value ($000) $79 Avg Close $6.59 Range $4.91 - $8.56

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	10,887	$95	$10.06	$8.30 - $12.44
Q4 2023	10,810	$79	$6.59	$4.91 - $8.56