CORE LABORATORIES N V

CUSIP: N22717107 Class: COM

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

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

Q2 2014
Shares 1,300 Value ($000) $217 Avg Close — Range —
Q1 2014
Shares 1,800 Value ($000) $357 Avg Close — Range —
Q4 2013
Shares 1,800 Value ($000) $344 Avg Close — Range —
Q3 2013
Shares 1,800 Value ($000) $305 Avg Close — Range —
Q2 2013
Shares 1,800 Value ($000) $273 Avg Close — Range —