SIGMA ALDRICH CORP

Q: Sep 30 2015

Q: Jun 30 2015

Q: Mar 31 2015

FY: Dec 31 2014

Q: Sep 30 2014

Q: Jun 30 2014

Q: Mar 31 2014

FY: Dec 31 2013

Q: Sep 30 2013

Q: Jun 30 2013

Q: Mar 31 2013

FY: Dec 31 2012

Q: Sep 30 2012

Q: Jun 30 2012

Q: Mar 31 2012

FY: Dec 31 2011

Q: Sep 30 2011

Q: Jun 30 2011

Q: Mar 31 2011

FY: Dec 31 2010

2.01

8.01,9.01

8.01,9.01

Temporary Suspension of Trading Under Registrant's Employee Benefit Plans

Results of Operations and Financial Condition

8.01,9.01

2.02,9.01

8.01

8.01,9.01

2.02,9.01

5.07

5.02

2.02,9.01

5.07,8.01,9.01

8.01

8.01

Results of Operations and Financial Condition

5.02

Entry into a Material Definitive Agreement

2.02,9.01

Certification of termination of registration of a class of securities (Section 12(g))

Notice of Effectiveness

Post Effective Amendment to S-8

Post-effective amendment to a registration statement

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Notification of removal from listing and/or registration on a national securities exchange

Notice of Effectiveness

Post-effective amendment to a registration statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Automatic Shelf Registration

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

none

MCCOLLUM LEE

Marberry Michael

KANAN MICHAEL F

COTTIER GILLES

CHURCH GEORGE

Bertsch Jan

Bergman Rebecca M

MILLER GEORGE LLOYD

MILLER GEORGE LLOYD

PAUL STEVEN M

Rau Douglas

REINHARD J PEDRO

SACHDEV RAKESH

SPATZ D DEAN

TOAN BARRETT A

WICKS FRANK

MILLER KAREN J

Nash Avi M

REINHARD J PEDRO

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Specialized Disclosure Report

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Specialized Disclosure Report

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Correspondence with the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC