RICHTER KIRK A

CIK 00012008431 companyST. LOUIS, MO

SEC Profile

Transactions

Companies

Filings

CIK

0001200843

Recent Transactions

50 trades

Sale
SIGMA ALDRICH CORP
Common Stock
2012-02-14$70.00/sh−18,500→ 79,284 total
Award
SIGMA ALDRICH CORP
NQ Stock Option, Right To Buy
2012-02-14+6,678→ 6,678 total
Exercise/Conversion
SIGMA ALDRICH CORP
ISO Stock Option Right To Buy
2012-02-14−9,000→ 0 total
Exercise/Conversion
SIGMA ALDRICH CORP
Common Stock
2012-02-14$25.32/sh+11,000→ 88,784 total
Gift
SIGMA ALDRICH CORP
Common Stock
2012-02-14−1,450→ 77,834 total
Award
SIGMA ALDRICH CORP
ISO Stock Option Right To Buy
2012-02-14+1,422→ 1,422 total
Exercise/Conversion
SIGMA ALDRICH CORP
Common Stock
2012-02-14$25.32/sh+9,000→ 97,784 total
Exercise/Conversion
SIGMA ALDRICH CORP
NQ Stock Option Right To Buy
2012-02-14−11,000→ 0 total
Award
SIGMA ALDRICH CORP
Common Stock
2012-02-13+927→ 77,784 total
Gift
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2011-11-04$63.58/sh−800→ 76,857 total
Gift
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2011-08-31$64.39/sh−900→ 77,657 total
Award
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2011-02-18$62.49/sh+675→ 78,557 total
Award
SIGMA ALDRICH CORP
NQ Stock Option, Right to Buy
2011-02-14$62.49/sh+7,950→ 7,950 total
Award
SIGMA ALDRICH CORP
ISO Stock Option, Right to Buy
2011-02-14$62.49/sh+1,600→ 1,600 total
Gift
SIGMA ALDRICH CORP
Common Stock
2010-08-31$52.91/sh−1,900→ 77,882 total
Exercise/Conversion
SIGMA ALDRICH CORP
Common Stock
2010-08-31$18.25/sh+24,000→ 103,782 total
Sale
SIGMA ALDRICH CORP
Common Stock
2010-08-31$53.00/sh−24,000→ 79,782 total
Exercise/Conversion
SIGMA ALDRICH CORP
ISO Stock Option Right To Buy
2010-08-31−24,000→ 0 total
Award
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2010-02-17$48.61/sh+600→ 600 total
Award
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2010-02-17$48.61/sh+600→ 79,782 total
Award
SIGMA ALDRICH CORP
ISO Stock Option, $1 Par Value
2010-02-16$48.61/sh+2,439→ 2,439 total
Award
SIGMA ALDRICH CORP
NQ Stock Option, Right to Buy
2010-02-16$48.61/sh+5,561→ 5,561 total
Award
SIGMA ALDRICH CORP
NQ Stock Option, Right to Buy
2010-02-16$48.61/sh+5,561→ 5,561 total
Award
SIGMA ALDRICH CORP
ISO Stock Option, Right to Buy
2010-02-16$48.61/sh+2,439→ 2,439 total
Gift
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2009-11-30$52.97/sh+500→ 79,182 total
Gift
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2009-06-02$49.88/sh−500→ 79,682 total
Exercise/Conversion
SIGMA ALDRICH CORP
Common Stock
2009-03-04$13.44/sh+6,600→ 86,782 total
Exercise/Conversion
SIGMA ALDRICH CORP
ISO Stock Option Right To Buy
2009-03-04−6,600→ 0 total
Sale
SIGMA ALDRICH CORP
Common Stock
2009-03-04$33.74/sh−6,600→ 80,182 total
Sale
SIGMA ALDRICH CORP
Common Stock
2009-02-27$36.09/sh−100→ 80,182 total
Exercise/Conversion
SIGMA ALDRICH CORP
Common Stock
2009-02-27$13.44/sh+800→ 80,982 total
Sale
SIGMA ALDRICH CORP
Common Stock
2009-02-27$36.00/sh−1,500→ 82,082 total
Sale
SIGMA ALDRICH CORP
Common Stock
2009-02-27$36.02/sh−400→ 81,082 total
Sale
SIGMA ALDRICH CORP
Common Stock
2009-02-27$36.06/sh−100→ 80,682 total
Sale
SIGMA ALDRICH CORP
Common Stock
2009-02-27$36.07/sh−400→ 80,282 total
Exercise/Conversion
SIGMA ALDRICH CORP
Common Stock
2009-02-27$13.44/sh+2,600→ 83,582 total
Sale
SIGMA ALDRICH CORP
Common Stock
2009-02-27$36.03/sh−300→ 80,782 total
Exercise/Conversion
SIGMA ALDRICH CORP
NQ Stock Option Right To Buy
2009-02-27−2,600→ 0 total
Exercise/Conversion
SIGMA ALDRICH CORP
ISO Stock Option Right To Buy
2009-02-27−800→ 6,600 total
Sale
SIGMA ALDRICH CORP
Common Stock
2009-02-27$36.01/sh−600→ 81,482 total
Award
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2009-02-18$37.56/sh+540→ 80,182 total
Award
SIGMA ALDRICH CORP
NQ Stock Option, Right to Buy
2009-02-17$37.56/sh+4,268→ 4,268 total
Award
SIGMA ALDRICH CORP
ISO Stock Option, Right to Buy
2009-02-17$37.56/sh+2,232→ 2,232 total
Award
SIGMA ALDRICH CORP
Stock Option, Right to Buy
2007-02-16$41.62/sh+7,500→ 7,500 total
Other
SIGMA ALDRICH CORP
Common Stock, $1 Par Value
2007-01-02$38.86/sh+39,421→ 78,842 total
Award
SIGMA ALDRICH CORP
Stock Option, Right to Buy
2006-05-01$34.03/sh+3,750→ 7,500 total
Award
SIGMA ALDRICH CORP
Stock Option, Right to Buy
2006-05-01$68.06/sh+3,750→ 3,750 total
Award
SIGMA ALDRICH CORP
Stock Option, Right to Buy
2005-07-08$28.82/sh+3,750→ 7,500 total
Award
SIGMA ALDRICH CORP
Stock Option, Right to Buy
2005-07-08$57.65/sh+3,750→ 3,750 total
Award
SIGMA ALDRICH CORP
Stock Option, Right to Buy
2004-05-04$28.66/sh+7,500→ 15,000 total

Companies

SIGMA ALDRICH CORP
Treasurer

Recent Filings

Address

3050 SPRUCE STREET

ST. LOUIS, MO, 63103

View on SEC.gov