ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q2 2020
Shares 20,133 Value ($000) $220 Avg Close — Range —
Q4 2019
Shares 16,097 Value ($000) $159 Avg Close — Range —
Q4 2017
Shares 7,392 Value ($000) $143 Avg Close — Range —
Q4 2015
Shares 832 Value ($000) $14 Avg Close — Range —
Q3 2015
Shares 78 Value ($000) $1 Avg Close — Range —
Q2 2015
Shares 596 Value ($000) $10 Avg Close — Range —
Q4 2014
Shares 546 Value ($000) $12 Avg Close — Range —
Q3 2014
Shares 11,489 Value ($000) $236 Avg Close — Range —
Q2 2014
Shares 919 Value ($000) $21 Avg Close — Range —
Q1 2014
Shares 3,454 Value ($000) $84 Avg Close — Range —
Q4 2013
Shares 557 Value ($000) $15 Avg Close — Range —
Q3 2013
Shares 7,940 Value ($000) $212 Avg Close — Range —
Q2 2013
Shares 6,651 Value ($000) $164 Avg Close — Range —