ADTRAN INC

CUSIP: 00738A106 Class: COMMON STOCK

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q3 2014
Shares 11,500 Value ($000) $236 Avg Close — Range —
Q1 2014
Shares 9,800 Value ($000) $239 Avg Close — Range —
Q4 2013
Shares 9,800 Value ($000) $265 Avg Close — Range —
Q3 2013
Shares 9,800 Value ($000) $261 Avg Close — Range —
Q2 2013
Shares 13,500 Value ($000) $332 Avg Close — Range —