SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

OPPENHEIMER & CO INC's Holding History (CIK: 0000822581)

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

Q3 2015
Shares 10,175 Value ($000) $1,414 Avg Close — Range —
Q2 2015
Shares 10,175 Value ($000) $1,418 Avg Close — Range —
Q1 2015
Shares 9,600 Value ($000) $1,327 Avg Close — Range —
Q4 2014
Shares 12,002 Value ($000) $1,648 Avg Close — Range —
Q3 2014
Shares 9,170 Value ($000) $1,247 Avg Close — Range —
Q2 2014
Shares 12,415 Value ($000) $1,260 Avg Close — Range —
Q1 2014
Shares 12,413 Value ($000) $1,159 Avg Close — Range —
Q4 2013
Shares 4,151 Value ($000) $391 Avg Close — Range —
Q3 2013
Shares 2,949 Value ($000) $251 Avg Close — Range —