ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

Quadrature Capital Ltd's Holding History (CIK: 0001651424)

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

Q1 2018
Shares 16,161 Value ($000) $251 Avg Close — Range —
Q3 2017
Shares 12,014 Value ($000) $288 Avg Close — Range —
Q2 2017
Shares 10,428 Value ($000) $215 Avg Close — Range —
Q1 2016
Shares 16,241 Value ($000) $328 Avg Close — Range —