<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 7)
ENVIROGEN, INC.
(Name of Issuer)
Common Stock, Par Value, $0.01 Per Share
(Title of Class of Securities)
294040100
(CUSIP Number)
Gaetano J. Casillo
Allen & Company Incorporated
711 Fifth Avenue, New York, New York 10022, (212) 830-8300
(Name, Address and Telephone Number of Person Authorized
to Receive Notices and Communications)
December 31, 1997
(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Section 13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box [ ].
NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Section 240.13d-7(b) for
other parties to whom copies are to be sent.
* The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purposes of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
Page 1 of 28 Pages<PAGE>
<PAGE>
AMENDMENT NO. 6
TO THE
SCHEDULE 13D
- ------------------- --------------------
CUSIP No. 294040100 Page 2 of 28 Pages
- ------------------- --------------------
==============================================================================
1 NAME OF REPORTING PERSON - S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE
PERSON
Allen Holding Inc.
- -----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [x]
- -----------------------------------------------------------------------------
3 SEC USE ONLY
- -----------------------------------------------------------------------------
4 SOURCE OF FUNDS*
Not Applicable
- -----------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(E) [ ]
- -----------------------------------------------------------------------------
6 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- -----------------------------------------------------------------------------
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
- -----------------------------------------------------------------------------
7 SOLE VOTING POWER
0
- -----------------------------------------------------------------------------
8 SHARED VOTING POWER
0
- -----------------------------------------------------------------------------
9 SOLE DISPOSITIVE POWER
0
- -----------------------------------------------------------------------------
10 SHARED DISPOSITIVE POWER
0
- -----------------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,797,250 (Includes 706,578 warrants to purchase 706,578 shares of the
Issuer's Common Stock).
- -----------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES* [ ]
- -----------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
11.7%
- -----------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
HC
===========================================================================
*SEE INSTRUCTIONS BELOW BEFORE FILLING OUT!
SEC 1746 (9-88)<PAGE>
<PAGE>
AMENDMENT NO. 6
TO THE
SCHEDULE 13D
- ------------------ -------------------
CUSIP No. 294040100 Page 3 of 28 Pages
- ------------------- --------------------
==============================================================================
1 NAME OF REPORTING PERSON - S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE
PERSON
Allen & Company Incorporated
- -----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [x]
- -----------------------------------------------------------------------------
3 SEC USE ONLY
- -----------------------------------------------------------------------------
4 SOURCE OF FUNDS*
Not Applicable
- -----------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(E) [ ]
- -----------------------------------------------------------------------------
6 CITIZENSHIP OR PLACE OF ORGANIZATION
New York
- ------------------------------------------------------------------------------
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
- ------------------------------------------------------------------------------
7 SOLE VOTING POWER
2,797,250 (Includes 706,578 warrants to purchase 706,578 shares of the
Issuer's Common Stock)
- -----------------------------------------------------------------------------
8 SHARED VOTING POWER
0
- -----------------------------------------------------------------------------
9 SOLE DISPOSITIVE POWER
2,797,250 (Includes 706,578 warrants to purchase 706,578 shares of the
Issuer's Common Stock).
- -----------------------------------------------------------------------------
10 SHARED DISPOSITIVE POWER
0
- -----------------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,797,250 (Includes 706,578 warrants to purchase 706,578 shares of the
Issuer's Common Stock).
- ------------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES* [ ]
- -----------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
11.7%
- -----------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
CO, BD.
- ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BELOW BEFORE FILLING OUT!
SEC 1746 (9-88)<PAGE>
<PAGE>
AMENDMENT NO. 6
TO THE
SCHEDULE 13D
- ------------------- ---------------------
CUSIP No. 294040100 Page 4 of 28 Pages
- ------------------- ---------------------
==============================================================================
1 NAME OF REPORTING PERSON - S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE
PERSON
Allen Capital L.P.
- -----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [x]
- -----------------------------------------------------------------------------
3 SEC USE ONLY
- -----------------------------------------------------------------------------
4 SOURCE OF FUNDS*
Not Applicable
- -----------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(E) [ ]
- -----------------------------------------------------------------------------
6 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- ------------------------------------------------------------------------------
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
- ------------------------------------------------------------------------------
7 SOLE VOTING POWER
0
- -----------------------------------------------------------------------------
8 SHARED VOTING POWER
0
- -----------------------------------------------------------------------------
9 SOLE DISPOSITIVE POWER
0
- -----------------------------------------------------------------------------
10 SHARED DISPOSITIVE POWER
0
- -----------------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
- -----------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES* [ ]
- -----------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
- -----------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
PN
==============================================================================
*SEE INSTRUCTIONS BELOW BEFORE FILLING OUT!
SEC 1746 (9-88)
<PAGE>
<PAGE>
AMENDMENT NO. 6
TO THE
SCHEDULE 13D
- ------------------- ----------------------
CUSIP No. 294040100 Page 5 of 28 Pages
- ------------------- ----------------------
==============================================================================
1 NAME OF REPORTING PERSON - S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE
PERSON
Allen Capital (International) L.P.
- -----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [x]
- -----------------------------------------------------------------------------
3 SEC USE ONLY
- -----------------------------------------------------------------------------
4 SOURCE OF FUNDS*
Not Applicable
- -----------------------------------------------------------------------------
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) or 2(E) [ ]
- -----------------------------------------------------------------------------
6 CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
- ------------------------------------------------------------------------------
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
- ------------------------------------------------------------------------------
7 SOLE VOTING POWER
0
- -----------------------------------------------------------------------------
8 SHARED VOTING POWER
0
- -----------------------------------------------------------------------------
9 SOLE DISPOSITIVE POWER
0
- -----------------------------------------------------------------------------
10 SHARED DISPOSITIVE POWER
0
- -----------------------------------------------------------------------------
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
- -----------------------------------------------------------------------------
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES* [ ]
- -----------------------------------------------------------------------------
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
0%
- -----------------------------------------------------------------------------
14 TYPE OF REPORTING PERSON*
PN
==============================================================================
*SEE INSTRUCTIONS BELOW BEFORE FILLING OUT!
SEC 1746 (9-88)
<PAGE>
<PAGE> Page 6 of 28 Pages
AMENDMENT NO. 6
TO THE
SCHEDULE 13D
The Reporting Persons, consisting of Allen & Company Incorporated
("ACI"), Allen Holding Inc. ("AHI"), Allen Capital L.P. ("Capital") and Allen
Capital (International) L.P. ("International") hereby amend their Schedule 13D
relating to the Common Stock, $0.01 per share of Envirogen, Inc. as set forth
below.
Item 5. Interest in Securities of the Issuer
(a) As of the close of business on October 9, 1996, the Reporting
Persons, by virtue of the language of Rule 13d-3(d)(1)(i), may be deemed to
own beneficially in the aggregate the number and percentage of the Issuer's
Common Stock set forth opposite their names below (based upon the number
Issuer's Quarterly Report on Form 10-Q for the period ended June 30, 1996
which reported the number of shares of Common Stock outstanding to be
12,868,640).
<TABLE>
<CAPTION>
==============================================================================
Name Shares of Common Stock Percentage
- ------------------------------------------------------------------------------
<S> <C> <C>
Allen Holding Inc. 2,797,250(1) 11.7%
- ------------------------------------------------------------------------------
Allen & Company Incorporated(1) 2,797,250(2) 11.7%
- ------------------------------------------------------------------------------
Allen Capital L.P. 0 0%
- ------------------------------------------------------------------------------
Allen Capital (International) L.P. 0 0%
==============================================================================
</TABLE>
(1) Represents shares of the Issuer's Common Stock owned by ACI.
(2) Does not include shares owned by officers and directors of ACI
with respect to which ACI disclaims beneficial ownership. Includes 706,578
warrants to purchase 706,578 shares of the Issuer's Common Stock. A total of
16,913 shares of the Issuer's Common Stock and warrants to purchase 487,678
shares of the Issuer's Common Stock are held in ACI's market maker account.
(c) Trades made by ACI in the past 60 days in its capacity as a
market maker are reflected in Exhibit J attached hereto and incorporated
herein by reference.
<PAGE>
Item 7. Material to be filed as Exhibits
Exhibit A -- Directors and Executive Officers of Allen Holding Inc. and
Allen & Company Incorporated.
Exhibit J -- Trades made by ACI in the past 60 days in its capacity as a
market marker.
<PAGE>
<PAGE> Page 7 of 28 Pages
After reasonable inquiry and to the best of our knowledge and
belief, we certify that the information set forth in this statement is true,
complete and correct.
Dated: March 6, 1998
ALLEN HOLDING INC.
By: -------------------------
Gaetano J. Casillo
Vice President
ALLEN & COMPANY INCORPORATED
By: -------------------------
Gaetano J. Casillo
Vice President
ALLEN CAPITAL L.P.
By: Allen Capital Incorporated
By: --------------------------
Ellen Lynch
ALLEN CAPITAL (INTERNATIONAL) L.P.
By: Allen Capital (International) Inc.
By: --------------------------
Ellen Lynch
<PAGE>
<PAGE> Page 7 of 28 Pages
After reasonable inquiry and to the best of our knowledge and
belief, we certify that the information set forth in this statement is true,
complete and correct.
Dated: March 6, 1998
ALLEN HOLDING INC.
/s/ Gaetano J. Casillo
By: -------------------------
Gaetano J. Casillo
Vice President
ALLEN & COMPANY INCORPORATED
/s/ Gaetano J. Casillo
By: -------------------------
Gaetano J. Casillo
Vice President
ALLEN CAPITAL L.P.
By: Allen Capital Incorporated
By: /s/ Ellen Lynch
------------------------------
Ellen Lynch
ALLEN CAPITAL (INTERNATIONAL) L.P.
By: Allen Capital (International) Inc.
/s/ Ellen Lynch
By: --------------------------
Ellen Lynch
114649<PAGE>
<PAGE> Page 8 of 28 Pages
<TABLE> EXHIBIT A
OFFICERS AND DIRECTORS OF ALLEN & COMPANY INCORPORATED
<S> <C> <C>
Principal Occupation
Business (i.e., Position with
Name xx Address Allen & Company Incorporated)
Herbert A. Allen x President, Managing Director, Director,
Chief Executive Officer
Herbert A. Allen III x Vice President, Director
Grace Allen x Director
Eran S. Ashany x Vice President, Director
Jonathan S. Bean x Vice President, Director
Edmund M. Bleich x Vice President
Denise Calvo-Silver x Vice President, Director
Dominick J. Cantalupo x Co-Chief Operations Officer, Vice
President
Marvyn Carton x Director - Emeritus
Gaetano J. Casillo x Chief Compliance Officer,
Vice President
Robert H. Cosgriff x Chief Administrative Officer,
Executive Vice President,
Managing Director, Director
Richard M. Crooks, Jr. x Director
Thalia V. Crooks x Vice President, Director
Mary L. Cullen x Vice President, Secretary, Director
Robert Dean x Vice President - Elect
Orin F. Devereux x Vice President, Director
Daniel Englander x Vice President - Elect
Howard M. Felson x Assistant Secretary, Vice President
Anthony J. Ferrante x Treasurer
Richard Fields x Executive Vice President, Managing
Director, Director
<PAGE>
<PAGE> Page 9 of 28 Pages
Principal Occupation
Business (i.e., Position with
Name xx Address Allen & Company Incorporated)
Paul A. Gould x Executive Vice President, Managing
Director, Director
John G. Hall x Vice President, Director
Daniel P. Harley x Vice President
John H. Josephson x Vice President, Director
Clark R. Keough x Vice President, Director
Donald R. Keough x Chairman of the Board, Managing Director,
Director
Dara Khosrowshahi x Vice President, Director
Kaveh A. Khosrowshahi x Vice President, Director
Neal Kopp x Vice President
Irwin H. Kramer x Executive Vice President,
Managing Director, Director
Terry Allen Kramer x Director
Suzanne G. Kucera x Vice President - Elect, Director
Robert J. Kurz x Vice President
William F. Leimkuhler x Assistant Secretary, Vice President,
General Counsel
LeRoy Kim x Vice President - Elect
Jonathan Lipton x Vice President - Elect
Jeffrey J. Logan x Vice President - Elect
Sharon K. Losee x Vice President
Dan W. Lufkin x Special Advisor to the Board of
Directors
Ellen F. Lynch x Vice President
Robert A. Mackie x Executive Vice President,
Managing Director, Director
James C. Maiden, Jr. x Vice President
Terence C. McCarthy x Co-Chief Operations Officer, Vice
President<PAGE>
<PAGE> Page 10 of 28 Pages
Principal Occupation
Business (i.e., Position with
Name xx Address Allen & Company Incorporated)
Robert C. Miller x Vice President, Director
Terrence Morris x Vice President - Elect
Brian J. Murphy x Vice President, Director
Louis J. Mustacchio x Vice President
Walter T. O'Hara, Jr. x Executive Vice President, Managing
Director, Director
Glenn A. Okun x Vice President, Director
Nancy B. Peretsman x Executive Vice President, Managing
Director, Director
Patrick S. Perry x Vice President, Director
Pamela M. Plager x Vice President, Director
Eugene Protash x Vice President, Assistant Secretary
James W. Quinn x Director, Vice President, Assistant
Secretary
Bradley A. Roberts x Director - Elect,
Vice President - Elect
Philip D. Scaturro x Executive Vice President, Managing
Director, Director
John A. Schneider x Executive Vice President, Managing
Director, Director
Enrique F. Senior x Executive Vice President, Managing
Director, Director
Stanley S. Shuman x Executive Vice President, Managing
Director, Director
John M. Simon x Executive Vice President, Managing
Director, Director
Daniel Selmonosky x Vice President, Director
Ian G. Smith x Vice President - Elect
Lauren M. Tyler x Vice President, Director
Dennis J. Warfield x Vice President,Chief Information
Officer
<PAGE>
<PAGE> Page 11 of 28 Pages
Principal Occupation
Business (i.e., Position with
Name xx Address Allen & Company Incorporated)
Kim M. Weiland x Executive Vice President, Managing
Director, Director, Chief Financial
Officer
Edward D. Weinberger x Vice President, Director
Harold M. Wit x Executive Vice President, Managing
Director, Director
</TABLE>
x 711 Fifth Avenue, New York, New York 10022-3194.
xx All the Executive Officers and Directors of Allen & Company
Incorporated are U.S. citizens unless otherwise indicated.
<PAGE>
<PAGE> Page 12 of 28 Pages
<TABLE>
OFFICERS AND DIRECTORS
OF ALLEN HOLDING INC.
<S> <C> <C>
Principal Occupation
Business (i.e., Position with
Name xx Address Allen & Company Incorporated)
Herbert A. Allen x President, Managing Director,
Director, Chief Executive Officer
Herbert A. Allen, III x Vice President, Director
Grace Allen x Director
Eran S. Ashany x Vice President
Jonathan S. Bean x Vice President - Elect
Robert E. Beers x Vice President - Elect
Edmund M. Bleich x Vice President
Denise Calvo-Silver x Vice President, Director
Dominick J. Cantalupo x Co-Chief Operations Officer, Vice President
Marvyn Carton x Director - Emeritus
Gaetano J. Casillo x Chief Compliance Officer, Vice President
Robert H. Cosgriff x Chief Administrative Officer, Executive
Vice President, Managing Director, Director
Richard M. Crooks, Jr. x Director
Thalia V. Crooks x Vice President, Director
Mary L. Cullen x Vice President, Secretary, Director
Robert Dean x Vice President - Elect
Orin F. Devereux x Vice President, Director
Daniel Englander x Vice President, - Elect
Howard M. Felson x Assistant Secretary, Vice President
Anthony J. Ferrante x Treasurer
Richard L. Fields x Executive Vice President, Managing
Director, Director Executive Vice
President, Managing Director, Director
<PAGE>
<PAGE> Page 13 of 28 Pages
Principal Occupation
Business (i.e., Position with
Name xx Address Allen & Company Incorporated)
John G. Hall x Vice President - Elect, Director
Daniel P. Harley x Vice President
John H. Josephson x Vice President, Director
Donald R. Keough x Chairman, Director
Clark R. Keough x Vice President, Director
Dara Khosrowshahi x Vice President, Director
Kaveh A. Khosrowshahi x Vice President, Director
Neal Kopp x Vice President
Irwin H. Kramer x Executive Vice President, Managing
Director, Director
Terry Allen Kramer x Director
Suzanne G. Kucera x Vice President - Elect, Director
Robert J. Kurz x Vice President
P. Don Lattimer x Executive Vice President, Managing
Director, Director
William F. Leimkuhler x Assistant Secretary, Vice President,
General Counsel
LeRoy Kim x Vice President - Elect
Jonathan Lipton x Vice President - Elect
Jeffrey J. Logan x Vice President - Elect
Sharon K. Losee x Vice President
Dan W. Lufkin x Special Advisor to the Board of Directors
Ellen F. Lynch x Vice President
Robert A. Mackie x Executive Vice President, Managing
Director, Director
James C. Maiden, Jr. x Vice President
Terence C. McCarthy x Co-Chief Operations Officer, Vice President
Vice President - Elect, Director
<PAGE>
<PAGE> Page 14 of 28 Pages
Principal Occupation
Business (i.e., Position with
Name xx Address Allen & Company Incorporated)
Robert C. Miller x Vice President, Director
Terrence Morris x Vice President - Elect
Brian J. Murphy x Vice President, Director
Louis J. Mustacchio x Vice President
Walter T. O'Hara x Executive Vice President, Managing
Director, Director
Glenn A. Okun x Vice President, Director
Nancy B. Peretsman x Executive Vice President, Managing
Director, Director
Patrick S. Perry x Vice President, Director
Pamela M. Plager x Vice President, Director
Eugene Protash x Assistant Secretary, Vice President
James W. Quinn x Vice President, Assistant Secretary,
Director
Bradley A. Roberts x Director - Elect, Vice President - Elect
Philip D. Scaturro x Executive Vice President, Managing
Director, Director
John A. Schneider x Executive Vice President, Managing
Director, Director
Daniel Selmonosky x Vice President, Director
Enrique F. Senior x Executive Vice President, Managing
Director, Director
Stanley S. Shuman x Executive Vice President, Managing
Director, Director
John M. Simon x Executive Vice President, Managing
Director, Director
Ian G. Smith x Vice President - Elect
Lauren M. Tyler x Vice President, Director
<PAGE>
<PAGE> Page 15 of 28 Pages
Principal Occupation
Business (i.e., Position with
Name xx Address Allen & Company Incorporated)
Dennis J. Warfield x Vice President, Chief Information Officer
Kim M. Weiland x Vice President, Director, Chief Financial
Officer
Edward D. Weinberger x Vice President, Managing Director, Director
Harold M. Wit x Executive Vice President, Managing
Director, Director
</TABLE>
x 711 Fifth Avenue, New York, New York 10022-3194.
xx All the Executive Officers and Directors of Allen Holding, Inc. are
U.S. citizens unless otherwise indicated.
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 16
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- -------
10/30/97 11/04/97 B 6D E461066 294040100000 ENVG 1000 2.5
ENVIROGEN INC
SNET
WE MAKE A MKT IN THIS SECURI
10/31/97 11/05/97 S 6D E461066 294040100000 ENVG 1800 2.625
ENVIROGEN INC
WE MAKE A MKT IN THIS SECURITY
10/31/97 11/05/97 S 6D E461066 294040100000 ENVG 1800 2.625
ENVIROGEN INC
WE MAKE A MKT IN THIS SECURITY
11/05/97 11/10/97 B 6D E461066 294040100000 ENVG 2200 2.625
ENVIROGEN INC
WE MAKE A MKT IN THIS SECURITY
11/06/97 11/12/97 B 6D E461066 294040100000 ENVG 2500 2.5625
ENVIROGEN INC
WE MAKE A MKT IN THIS SECURITY
11/06/97 11/12/97 B 6D E461066 294040100000 ENVG 7500 2.625
ENVIROGEN INC
WE MAKE A MKT IN THIS SECURITY
11/07/97 11/13/97 B 6D E461066 294040100000 ENVG 1000 2.625
ENVIROGEN INC
11/07/97 11/13/97 S 6D E461066 294040100000 ENVG 400 2.5
ENVIROGEN INC
SNET
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 17
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- -------
11/07/97 11/13/97 S 6D E461066 294040100000 ENVG 500 2.53125
ENVIROGEN INC
SNET
11/07/97 11/13/97 S 6D E461066 294040100000 ENVG 1000 2.5
ENVIROGEN INC
SNET
11/07/97 11/13/97 S 6D E461066 294040100000 ENVG 1000 2.5
ENVIROGEN INC
SNET
11/07/97 11/13/97 S 6D E461066 294040100000 ENVG 1000 2.625
ENVIROGEN INC
11/07/97 11/13/97 S 6D E461066 294040100000 ENVG 2100 2.5
ENVIROGEN INC
SNET
11/10/97 11/14/97 S 6D E461066 294040100000 ENVG 2000 2.5625
ENVIROGEN INC
SNET
11/12/97 11/17/97 B 6D E461066 294040100000 ENVG 4000 2.625
ENVIROGEN INC
11/12/97 11/17/97 S 6D E461066 294040100000 ENVG 400 2.625
ENVIROGEN INC
SNET
11/12/97 11/17/97 S 6D E461066 294040100000 ENVG 500 2.625
ENVIROGEN INC
SNET
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 18
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- ------
11/12/97 11/17/97 S 6D E461066 294040100000 ENVG 2000 2.625
ENVIROGEN INC
SNET
11/17/97 11/20/97 B 6D E461066 294040100000 ENVG 1000 2.53125
ENVIROGEN INC
11/17/97 11/20/97 B 6D E461066 294040100000 ENVG 3500 2.53125
ENVIROGEN INC
11/17/97 11/20/97 S 6D E461066 294040100000 ENVG 1000 2.53125
ENVIROGEN INC
SNET
11/17/97 11/20/97 S 6D E461066 294040100000 ENVG 3000 2.53125
ENVIROGEN INC
SNET
11/18/97 11/21/97 S 6D E461066 294040100000 ENVG 1200 2.5625
ENVIROGEN INC
11/20/97 11/25/97 B 6D E461066 294040100000 ENVG 500 2.3125
ENVIROGEN INC
SNET
11/20/97 11/25/97 S 6D E461066 294040100000 ENVG 100 2.40625
ENVIROGEN INC
11/21/97 11/26/97 B 6D E461066 294040100000 ENVG 500 2.1875
ENVIROGEN INC
SNET
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 19
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- -----
11/26/97 12/02/97 B 7N E461066 294040100000 ENVG 5000 2
ENVIROGEN INC
11/26/97 12/02/97 S 7N E461066 294040100000 ENVG 5000 2
ENVIROGEN INC
12/03/97 12/08/97 B 6D E461066 294040100000 ENVG 500 2.0625
ENVIROGEN INC
12/05/97 12/10/97 B 6N E461066 294040100000 ENVG 10000 1.9688
ENVIROGEN INC
12/05/97 12/10/97 S 6N E461066 294040100000 ENVG 10000 1.9688
ENVIROGEN INC
12/05/97 12/10/97 B 6D E461066 294040100000 ENVG 500 1.875
ENVIROGEN INC
12/05/97 12/10/97 B 6D E461066 294040100000 ENVG 2000 1.9375
ENVIROGEN INC
12/05/97 12/10/97 S 6D E461066 294040100000 ENVG 300 1.96875
ENVIROGEN INC
***
12/05/97 12/10/97 S 6D E461066 294040100000 ENVG 800 1.9375
ENVIROGEN INC
12/08/97 12/11/97 B 6D E461066 294040100000 ENVG 500 2
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 20
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- -------
12/08/97 12/11/97 B 6D E461066 294040100000 ENVG 1000 2.03125
ENVIROGEN INC
12/08/97 12/11/97 B 6D E461066 294040100000 ENVG 1000 2.03125
ENVIROGEN INC
12/08/97 12/11/97 B 6D E461066 294040100000 ENVG 2000 2
ENVIROGEN INC
12/08/97 12/11/97 B 6D E461066 294040100000 ENVG 2000 2
ENVIROGEN INC
12/09/97 12/12/97 B 6D E461066 294040100000 ENVG 500 1.9375
ENVIROGEN INC
12/10/97 12/15/97 B 6D E461066 294040100000 ENVG 300 1.9375
ENVIROGEN INC
12/11/97 12/12/97 B 7N E461066 294040100000 ENVG 400 1.875
ENVIROGEN INC
0020000519000-CUSTOMER A/C
12/11/97 12/12/97 B 7N E461066 294040100000 ENVG 1000 1.7
ENVIROGEN INC
0020000519000-CUSTOMER A/C
12/11/97 12/12/97 S 7N E461066 294040100000 ENVG 400 1.875
ENVIROGEN INC
12/11/97 12/12/97 S 7N E461066 294040100000 ENVG 1000 1.7
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 21
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- ------
12/11/97 12/16/97 B 6N E461066 294040100000 ENVG 5000 1.5937
ENVIROGEN INC
12/11/97 12/16/97 S 6N E461066 294040100000 ENVG 5000 1.5937
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 200 1.6875
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 200 1.75
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 300 1.75
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 500 1.4375
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 500 1.5625
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 500 1.5625
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 500 1.8125
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 3000 1.3125
ENVIROGEN INC
12/11/97 12/16/97 B 6D E461066 294040100000 ENVG 5000 1.5625
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 22
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- ------
12/11/97 12/16/97 S 6D E461066 294040100000 ENVG 500 1.875
ENVIROGEN INC
12/12/97 12/17/97 B 6D E461066 294040100000 ENVG 3000 1.75
ENVIROGEN INC
12/12/97 12/17/97 B 6D E461066 294040100000 ENVG 10000 1.75
ENVIROGEN INC
12/12/97 12/17/97 S 6D E461066 294040100000 ENVG 1800 1.8125
ENVIROGEN INC
12/12/97 12/17/97 S 6D E461066 294040100000 ENVG 3000 1.8125
ENVIROGEN INC
12/12/97 12/17/97 S 6D E461066 294040100000 ENVG 9000 1.8125
ENVIROGEN INC
12/16/97 12/19/97 B 6D E461066 294040100000 ENVG 2000 1.75
ENVIROGEN INC
12/16/97 12/19/97 S 6D E461066 294040100000 ENVG 2000 1.75
ENVIROGEN INC
12/18/97 12/23/97 B 6D E461066 294040100000 ENVG 1000 1.6875
ENVIROGEN INC
12/18/97 12/23/97 B 6D E461066 294040100000 ENVG 2500 1.6875
ENVIROGEN INC
12/18/97 12/23/97 B 6H E461066 294040100000 ENVG 3500 1.71875
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 23
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- -------
12/19/97 12/23/97 B CXL 6H E461066 294040100000 ENVG 3500 1.71875
ENVIROGEN INC
12/19/97 12/23/97 S 6H E461066 294040100000 ENVG 3500 1.71875
ENVIROGEN INC
AS OF 12/18/97
12/19/97 12/24/97 B 6D E461066 294040100000 ENVG 1000 1.625
ENVIROGEN INC
12/19/97 12/24/97 B 6D E461066 294040100000 ENVG 1290 1.6875
ENVIROGEN INC
12/19/97 12/24/97 B 6D E461066 294040100000 ENVG 1500 1.625
ENVIROGEN INC
12/19/97 12/24/97 B 6D E461066 294040100000 ENVG 1500 1.625
ENVIROGEN INC
12/19/97 12/24/97 B 6D E461066 294040100000 ENVG 1500 1.6875
ENVIROGEN INC
12/19/97 12/24/97 B 6D E461066 294040100000 ENVG 2000 1.6875
ENVIROGEN INC
12/19/97 12/24/97 B 6D E461066 294040100000 ENVG 2500 1.6875
ENVIROGEN INC
12/19/97 12/24/97 B 6D E461066 294040100000 ENVG 2600 1.6875
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 24
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- -------
12/19/97 12/24/97 S 6H E461066 294040100000 ENVG 17400 1.6875
ENVIROGEN INC
12/22/97 12/23/97 S CXL 6H E461066 294040100000 ENVG 3500 1.71875
ENVIROGEN INC
AS OF 12/18/97
12/22/97 12/26/97 B 6D E461066 294040100000 ENVG 100 1.625
ENVIROGEN INC
12/22/97 12/26/97 B 6D E461066 294040100000 ENVG 500 1.625
ENVIROGEN INC
12/22/97 12/26/97 B 6D E461066 294040100000 ENVG 1000 1.625
ENVIROGEN INC
12/22/97 12/26/97 B 6D E461066 294040100000 ENVG 2000 1.5625
ENVIROGEN INC
12/22/97 12/26/97 B 6D E461066 294040100000 ENVG 2000 1.5625
ENVIROGEN INC
12/22/97 12/26/97 B 6D E461066 294040100000 ENVG 3300 1.625
ENVIROGEN INC
12/22/97 12/26/97 B 6D E461066 294040100000 ENVG 8500 1.625
ENVIROGEN INC
12/22/97 12/26/97 S 6D E461066 294040100000 ENVG 5000 1.625
ENVIROGEN INC
12/23/97 12/29/97 B 6D E461066 294040100000 ENVG 1000 1.625
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 25
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- ------
12/23/97 12/29/97 B 6D E461066 294040100000 ENVG 1500 1.625
ENVIROGEN INC
12/23/97 12/29/97 B 6D E461066 294040100000 ENVG 3000 1.625
ENVIROGEN INC
12/23/97 12/29/97 B 6D E461066 294040100000 ENVG 3500 1.625
ENVIROGEN INC
12/23/97 12/29/97 B 6D E461066 294040100000 ENVG 5000 1.59375
ENVIROGEN INC
12/23/97 12/29/97 B 6D E461066 294040100000 ENVG 5000 1.625
ENVIROGEN INC
12/23/97 12/29/97 S 6D E461066 294040100000 ENVG 2800 1.625
ENVIROGEN INC
12/23/97 12/29/97 S 6D E461066 294040100000 ENVG 5000 1.6875
ENVIROGEN INC
12/23/97 12/29/97 S 6H E461066 294040100000 ENVG 12600 1.65625
ENVIROGEN INC
12/24/97 12/30/97 B 6D E461066 294040100000 ENVG 500 1.625
ENVIROGEN INC
12/26/97 12/31/97 B 6D E461066 294040100000 ENVG 2500 1.53125
ENVIROGEN INC
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 500 1.5
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 26
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- -------
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 500 1.53125
ENVIROGEN INC
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 900 1.53125
ENVIROGEN INC
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 1000 1.4375
ENVIROGEN INC
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 1000 1.53125
ENVIROGEN INC
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 4000 1.5
ENVIROGEN INC
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 5000 1.53125
ENVIROGEN INC
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 10000 1.53125
ENVIROGEN INC
12/29/97 01/02/98 B 6D E461066 294040100000 ENVG 17300 1.46875
ENVIROGEN INC
12/29/97 01/02/98 S 6D E461066 294040100000 ENVG 1000 1.53125
ENVIROGEN INC
12/29/97 01/02/98 S 6D E461066 294040100000 ENVG 5000 1.5625
ENVIROGEN INC
12/30/97 01/05/98 B 6D E461066 294040100000 ENVG 200 1.5
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 27
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- ------
12/30/97 01/05/98 B 6D E461066 294040100000 ENVG 300 1.5625
ENVIROGEN INC
2/30/97 01/05/98 B 6D E461066 294040100000 ENVG 500 1.46875
ENVIROGEN INC
12/30/97 01/05/98 B 6D E461066 294040100000 ENVG 500 1.5
ENVIROGEN INC
12/30/97 01/05/98 B 6D E461066 294040100000 ENVG 500 1.5625
ENVIROGEN INC
12/30/97 01/05/98 B 6D E461066 294040100000 ENVG 2500 1.46875
ENVIROGEN INC
12/30/97 01/05/98 B 6D E461066 294040100000 ENVG 4000 1.5
ENVIROGEN INC
12/30/97 01/05/98 B 6D E461066 294040100000 ENVG 5000 1.46875
ENVIROGEN INC
12/30/97 01/05/98 S 6D E461066 294040100000 ENVG 3500 1.4375
ENVIROGEN INC
12/31/97 01/06/98 B 6D E461066 294040100000 ENVG 1000 1.59375
ENVIROGEN INC
12/31/97 01/06/98 B 6D E461066 294040100000 ENVG 1000 1.625
ENVIROGEN INC
12/31/97 01/06/98 B 6D E461066 294040100000 ENVG 6800 1.46875
ENVIROGEN INC
<PAGE>
<PAGE> ALLEN TRADE DATE HISTORY REPORT
PAGE : 28
DATE : 03-11-1998
T/D S/D B/S CXL BL SEC# CUSIP# SYM QUANTITY PRICE
- -------- -------- - --- -- ------- ------------ -------- -------- -------
12/31/97 01/06/98 S 6D E461066 294040100000 ENVG 1000 1.65625
ENVIROGEN INC
114649
