SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q3 2015
Shares 173,163 Value ($000) $24,055 Avg Close — Range —
Q2 2015
Shares 174,193 Value ($000) $24,274 Avg Close — Range —
Q1 2015
Shares 175,013 Value ($000) $24,196 Avg Close — Range —
Q4 2014
Shares 169,925 Value ($000) $23,326 Avg Close — Range —
Q3 2014
Shares 165,564 Value ($000) $22,518 Avg Close — Range —
Q2 2014
Shares 162,730 Value ($000) $16,514 Avg Close — Range —
Q1 2014
Shares 169,286 Value ($000) $15,808 Avg Close — Range —
Q4 2013
Shares 168,381 Value ($000) $15,829 Avg Close — Range —
Q3 2013
Shares 168,330 Value ($000) $14,358 Avg Close — Range —
Q2 2013
Shares 169,909 Value ($000) $13,654 Avg Close — Range —