WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2016
Shares 29,823 Value ($000) $3,557 Avg Close — Range —
Q1 2016
Shares 198,473 Value ($000) $1,770 Avg Close — Range —
Q4 2015
Shares 218,904 Value ($000) $6,473 Avg Close — Range —
Q3 2015
Shares 289,184 Value ($000) $11,223 Avg Close — Range —
Q2 2015
Shares 202,429 Value ($000) $13,310 Avg Close — Range —
Q1 2015
Shares 190,385 Value ($000) $9,638 Avg Close — Range —
Q4 2014
Shares 103,228 Value ($000) $6,586 Avg Close — Range —
Q3 2014
Shares 12,458 Value ($000) $1,202 Avg Close — Range —
Q2 2014
Shares 4,367 Value ($000) $600 Avg Close — Range —