SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q1 2015
Shares 34,700 Value ($000) $4,797 Avg Close — Range —
Q4 2014
Shares 33,300 Value ($000) $4,571 Avg Close — Range —
Q3 2014
Shares 58,416 Value ($000) $7,945 Avg Close — Range —
Q2 2014
Shares 59,653 Value ($000) $6,054 Avg Close — Range —
Q1 2014
Shares 62,376 Value ($000) $5,825 Avg Close — Range —
Q4 2013
Shares 62,365 Value ($000) $5,863 Avg Close — Range —
Q3 2013
Shares 62,670 Value ($000) $5,345 Avg Close — Range —
Q2 2013
Shares 62,503 Value ($000) $5,023 Avg Close — Range —