SIERRA METALS INC

CUSIP: 82639W106 Class: COM

RAMSEY QUANTITATIVE SYSTEMS's Holding History (CIK: 0001132897)

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

Q4 2018
Shares 159,769 Value ($000) $281 Avg Close — Range —
Q3 2018
Shares 199,125 Value ($000) $501 Avg Close — Range —
Q2 2018
Shares 128,964 Value ($000) $347 Avg Close — Range —
Q1 2018
Shares 107,355 Value ($000) $276 Avg Close — Range —
Q4 2017
Shares 74,033 Value ($000) $184 Avg Close — Range —