SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO's Holding History (CIK: 0001141802)

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

Q3 2015
Shares 7,717 Value ($000) $1,072 Avg Close — Range —
Q2 2015
Shares 16,065 Value ($000) $2,238 Avg Close — Range —
Q1 2015
Shares 1,776 Value ($000) $245 Avg Close — Range —
Q4 2014
Shares 1,832 Value ($000) $251 Avg Close — Range —
Q3 2014
Shares 2,323 Value ($000) $316 Avg Close — Range —
Q2 2014
Shares 2,450 Value ($000) $249 Avg Close — Range —
Q1 2014
Shares 2,397 Value ($000) $224 Avg Close — Range —
Q4 2013
Shares 2,340 Value ($000) $220 Avg Close — Range —
Q3 2013
Shares 2,175 Value ($000) $186 Avg Close — Range —
Q2 2013
Shares 2,014 Value ($000) $162 Avg Close — Range —