ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

MERCER GLOBAL ADVISORS INC /ADV's Holding History (CIK: 0000853758)

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

Q1 2022
Shares 10,735 Value ($000) $198 Avg Close — Range —
Q4 2021
Shares 9,835 Value ($000) $225 Avg Close — Range —