PHARMCHEM INC

Q: Sep 30 2003

Q: Jun 30 2003

Q: Mar 31 2003

FY: Dec 31 2002

Q: Sep 30 2002

Q: Jun 30 2002

Q: Mar 31 2002

Q: Mar 31 2002

FY: Dec 31 2001

FY: Dec 31 2001

FY: Dec 31 2000

Q: Sep 30 2001

Q: Jun 30 2001

Q: Mar 31 2001

FY: Dec 31 2000

Q: Sep 30 2000

Q: Jun 30 2000

Q: Mar 31 2000

FY: Dec 31 1999

Q: Sep 30 1999

5

5

5

4

Other events

Other events

Changes in registrant's certifying accountant

5

5

Other events

5

9

5,7

2,7

5,7

5

5

5

5,7

4,7

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

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

No description available

No description available

No description available

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

No description available

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Required Information in Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Required Information in Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

none

none

Jordan Tristram

PALO ALTO INVESTORS

PALO ALTO INVESTORS;MICRO CAP PARTNERS LP

PALO ALTO INVESTORS;MICRO CAP PARTNERS LP

PALO ALTO INVESTORS;MICRO CAP PARTNERS LP

PALO ALTO INVESTORS;MICRO CAP PARTNERS LP

WEINTRAUB CAPITAL MANAGEMENT

WC CAPITAL MANAGEMENT LLC

DIMENSIONAL FUND ADVISORS INC

PALO ALTO INVESTORS

PALO ALTO INVESTORS

PALO ALTO INVESTORS

WEINTRAUB CAPITAL MANAGEMENT

BOTTI BROWN ASSET MANAGEMENT LLC

DIMENSIONAL FUND ADVISORS INC

GOLDMAN SACHS GROUP INC/

WEINTRAUB CAPITAL MANAGEMENT /CA/ /ADV

PALO ALTO INVESTORS