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PCHM - As of  04/23/24, 10:47:33 AM:   51 Insider Transactions.

Sector: Unknown    Industry:
Prev Close:$0.18  Avg Vol(3m): 3,888  P/E: 0.00  EPS: -0.35

Email this page to a friend.    Insider Transactions for PCHM

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2004-03-19 00:00:00.0 PHARMCHEM INC PCHM PALO ALTO INVESTORS 25.8% view
S 2004-02-13 00:00:00.0 PHARMCHEM INC PCHM WEINTRAUB CAPITAL MANAGEMENT 6.8% view
B 2004-02-10 00:00:00.0 PHARMCHEM INC PCHM WC CAPITAL MANAGEMENT LLC 10.18% view
S 2004-02-06 00:00:00.0 PHARMCHEM INC PCHM DIMENSIONAL FUND ADVISORS INC 4.37% view
S 2003-03-14 00:00:00.0 PHARMCHEM INC PCHM PALO ALTO INVESTORS 25.5% view
B 2003-02-14 00:00:00.0 PHARMCHEM INC PCHM WEINTRAUB CAPITAL MANAGEMENT 9.9% view
B 2003-02-12 00:00:00.0 PHARMCHEM INC PCHM BOTTI BROWN ASSET MANAGEMENT LLC 12.0% view
B 2003-02-07 00:00:00.0 PHARMCHEM INC PCHM DIMENSIONAL FUND ADVISORS INC 5.09% view
S 2002-03-01 00:00:00.0 PHARMCHEM INC PCHM WEINTRAUB CAPITAL MANAGEMENT 9.9% view
B 2002-02-14 00:00:00.0 PHARMCHEM INC PCHM PALO ALTO INVESTORS 26.2% view
B 2002-02-13 00:00:00.0 PHARMCHEM INC PCHM WILLOW CREEK CAPITAL MANAGEMENT 10.0% view
B 2002-02-13 00:00:00.0 PHARMCHEM INC PCHM WILLOW CREEK CAPITAL MANAGEMENT 10.18% view
S 2002-02-12 00:00:00.0 PHARMCHEM INC PCHM DIMENSIONAL FUND ADVISORS INC n/a view
B 2002-02-06 00:00:00.0 PHARMCHEM INC PCHM BOTTI BROWN ASSET MANAGEMENT LLC 10.5% view
S 2001-02-21 00:00:00.0 PHARMCHEM INC PCHM WEINTRAUB CAPITAL MANAGEMENT 9.9% view
S 2001-02-14 00:00:00.0 PHARMCHEM INC PCHM PALO ALTO INVESTORS 26.0% view
B 2001-02-08 00:00:00.0 PHARMCHEM INC PCHM WILLOW CREEK CAPITAL MANAGEMENT 9.76% view
S 2001-02-02 00:00:00.0 PHARMCHEM INC PCHM DIMENSIONAL FUND ADVISORS INC n/a view
B 2001-01-29 00:00:00.0 PHARMCHEM INC PCHM PALO ALTO INVESTORS 26.0% view
B 2001-01-17 00:00:00.0 PHARMCHEM INC PCHM BOTTI BROWN ASSET MANAGEMENT LLC 10.28% view
B 2000-06-19 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 25.0% view
B 2000-03-13 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM BOTTI BROWN ASSET MANAGEMENT LLC 9.6% view
S 2000-02-15 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM BANNER PARTNERS 8.8% view
B 2000-02-14 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 22.8% view
B 2000-02-14 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM WILLOW CREEK CAPITAL MANAGEMENT 8.5% view
B 2000-02-14 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 8.7% view
S 2000-02-03 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM DIMENSIONAL FUND ADVISORS INC n/a view
B 1999-11-29 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 8.6% view
B 1999-11-29 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 8.6% view
B 1999-11-29 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM BANNER PARTNERS 21.7% view
S 1999-06-24 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 5.5% view
S 1999-02-12 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM IRWIN RICHARD D 11.4% view
S 1999-02-12 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM GRUMMAN HILL INVESTMENTS LP 11.4% view
S 1999-02-11 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM DIMENSIONAL FUND ADVISORS INC n/a view
B 1999-02-08 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM BOTTI BROWN ASSET MANAGEMENT LLC 6.5% view
B 1999-02-04 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM LONDON MERCHANT SECURITIES PLC 16.4% view
B 1998-11-13 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM BOTTI BROWN ASSET MANAGEMENT LLC 5.1% view
B 1998-09-25 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM WILLOW CREEK CAPITAL MANAGEMENT 5.1% view
B 1998-02-18 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 16.3% view
S 1998-02-12 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM GRUMMAN HILL INVESTMENTS LP 11.4% view
S 1998-02-12 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM IRWIN RICHARD D 11.4% view
B 1997-06-17 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM WEINTRAUB CAPITAL MANAGEMENT 9.9% view
B 1997-04-16 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM WEINTRAUB CAPITAL MANAGEMENT 8.7% view
B 1997-02-25 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM IRWIN RICHARD D 11.6% view
B 1997-02-24 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM GRUMMAN HILL INVESTMENTS LP 11.6% view
B 1997-02-18 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM HLM MANAGEMENT CO INC 1.0% view
B 1997-02-14 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 15.2% view
B 1997-02-13 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM DIMENSIONAL FUND ADVISORS INC n/a view
B 1997-01-24 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM WEINTRAUB CAPITAL MANAGEMENT 5.4% view
B 1996-04-26 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM BANNER PARTNERS 7.3% view
B 1996-04-12 00:00:00.0 PHARMCHEM LABORATORIES INC PCHM PALO ALTO INVESTORS 11.9% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.