Form 4/A - Statement of changes in beneficial ownership of securities: [Amend]
SEC Accession No. 0001246360-10-004129
Filing Date
2010-12-17
Accepted
2010-12-17 12:35:15
Documents
2
Period of Report
2010-11-04

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT form.html 4/A  
1 PRIMARY DOCUMENT form.xml 4/A 6743
2 porwoll.htm EX-24 5637
  Complete submission text file 0001246360-10-004129.txt   14297
Mailing Address 3050 SPRUCE STREET ST LOUIS MO 63103
Business Address 3050 SPRUCE ST ST LOUIS MO 63103 3147715765
SIGMA ALDRICH CORP (Issuer) CIK: 0000090185 (see all company filings)

EIN.: 431050617 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 5160 Wholesale-Chemicals & Allied Products

Mailing Address 1001 WEST SAINT PAUL AVE MILWAUKEE WI 53233
Business Address
PORWOLL JOE (Reporting) CIK: 0001210653 (see all company filings)

Type: 4/A | Act: 34 | File No.: 000-08135 | Film No.: 101259134