ADTRAN HOLDINGS INC

Ticker: ADTN CUSIP: 00486H105 Class: Common Stock

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q1 2023

Shares 5,802 Value ($000) $92 Avg Close $16.92 Range $14.49 - $19.68

Q3 2022

Shares 8,972 Value ($000) $176 Avg Close $21.11 Range $16.78 - $24.69

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	5,802	$92	$16.92	$14.49 - $19.68
Q3 2022	8,972	$176	$21.11	$16.78 - $24.69