<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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SCHEDULE 13D
(Rule 13d-101)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
RULE 13d-2(a)
(Amendment No. 5)
IMPCO TECHNOLOGIES, INC.
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(Name of Issuer)
Shares of Common Stock, par value $0.001 per share
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(Title of Class of Securities)
45255W106
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(CUSIP Number)
Questor Partners Fund, L.P.
Questor Side-by-Side Partners, L.P.
103 Springer Building
3411 Silverside Road
Wilmington, DE 19810
(302) 478-6160
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(Name, Address and Telephone Number of
Person Authorized to Receive Notices and
Communications)
Copies to:
Edward L. Scarff Michael J. Coleman, Esq.
601 California Street Shearman & Sterling
Suite 1450 555 California Street, Suite 2000
San Francisco, CA 94108 San Francisco, CA 94104
Telephone: (415) 433-6670 Telephone: (415) 616-1100
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July 19, 2000
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(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 Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box
[ ].
Page 1 of 7
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SCHEDULE 13D
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CUSIP NO. 45255W106
-----------------------
------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Questor Partners Fund, L.P.
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [X]
(b) [_]
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SEC USE ONLY
3
------------------------------------------------------------------------------
SOURCE OF FUNDS*
4
------------------------------------------------------------------------------
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e) [_]
5
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CITIZENSHIP OR PLACE OF ORGANIZATION
6
Delaware
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SOLE VOTING POWER
7
NUMBER OF
1,040,594
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 8
OWNED BY 74,732
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
9
REPORTING
1,040,594
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 10
74,732
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
1,115,326
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
12
[_]
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
10.9%**
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TYPE OF REPORTING PERSON*
14
PN
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*SEE INSTRUCTIONS BEFORE FILLING OUT!
INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
(INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
** Based upon 8,579,807 shares outstanding as of May 31, 2000 as reported in
Impco's Report on Form 10-K for the fiscal year ended April 30, 2000,
plus 1,625,000 shares issued on July 19, 2000
Page 2 of 7
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SCHEDULE 13D
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CUSIP NO. 45255W106
-----------------------
------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Questor Side-by-Side Partners, L.P.
------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [X]
(b) [_]
------------------------------------------------------------------------------
SEC USE ONLY
3
------------------------------------------------------------------------------
SOURCE OF FUNDS*
4
------------------------------------------------------------------------------
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e) [_]
5
------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
6
Delaware
------------------------------------------------------------------------------
SOLE VOTING POWER
7
NUMBER OF
74,732
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 8
OWNED BY 1,040,594
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
9
REPORTING
74,732
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 10
1,040,594
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
1,115,326
------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*
12
[_]
------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
10.9%**
------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
14
PN
------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
(INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.
** Based upon 8,579,807 shares outstanding as of May 31, 2000 as reported in
Impco's Report on Form 10-K for the fiscal year ended April 30, 2000, plus
1,625,000 shares issued on July 19, 2000
Page 3 of 7
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This Amendment No. 5 ("Amendment No. 5") amends the Statement on
Schedule 13D (as amended, the "Schedule 13D") filed with the Securities and
Exchange Commission on June 16, 1998, as amended, by Questor Partners Fund,
L.P., a Delaware limited partnership ("Questor Partners"), and Questor Side-by-
Side Partners L.P., a Delaware limited partnership ("Questor SBS", and together
with Questor Partners, the "Reporting Persons") with respect to shares of common
stock, par value $0.001 per share (the "Common Shares"), of IMPCO Technologies,
Inc., a Delaware corporation ("Impco").
Capitalized terms used herein and not defined herein have the meanings
ascribed thereto in the Schedule 13D. Except as indicated herein, the
information set forth in the Schedule 13D remains unchanged.
Item 4. Purpose of Transaction.
----------------------
The following text is added to Item 4 of the Schedule 13D:
On July 19, 2000, Questor Partners and Questor SBS completed the
previously announced sale of 816,375 Common Shares and 58,625 Common Shares,
respectively, to the Underwriters pursuant to the Underwriting Agreement at a
purchase price of $32.90 per Common Share.
Item 5. Interest in Securities of Issuer.
--------------------------------
Item 5 of the Schedule 13D is amended and restated in its entirety to
read as follows:
(a) The table set forth below indicates the number of Common Shares
owned by Questor Partners and Questor SBS. The percentage calculations are
based on 8,579,807
Page 4 of 7
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Common Shares being outstanding as of May 31, 2000 (according to Impco's
Quarterly Report on Form 10-K for the fiscal year ended April 30, 2000), plus
1,625,000 shares issued on July 19, 2000.
<TABLE>
<CAPTION>
Beneficial Ownership
Number of Percentage of
Common Shares Common Shares
--------------------- ----------------------
<S> <C> <C>
Questor Partners 1,040,594 10.2%
Questor SBS 74,732 0.7%
---------- -----
Total 1,115,326 10.9%
</TABLE>
Each of Mr. Scarff and Mr. Mumford holds stock options to purchase
20,000 Common Shares at an exercise price of $16.25 per share, which stock
options vest at the rate of 25% per year beginning October 15, 1999 until fully
vested. Neither Questor Partners nor Questor SBS has any beneficial ownership in
these stock options or the underlying securities. Such stock options and the
underlying securities are not included in the number of Common Shares owned by
Questor Partners or Questor SBS.
Except as set forth above, none of the other persons named in Item 2
above own any interests in Common Shares.
(b) The number of Common Shares with respect to which Questor
Partners and Questor SBS (i) have sole voting power, (ii) share voting power,
(iii) have sole dispositive power and (iv) share dispositive power, are listed
in the responses to Items 7, 8, 9 and 10, respectively, on the cover pages filed
herewith, and such responses are incorporated by reference herein.
(c) As noted in Item 4 above, on July 19, 2000, Questor Partners and
Questor SBS completed the previously announced sale of 816,375 Common Shares
and 58,625 Common Shares, respectively, to the Underwriters pursuant to the
Underwriting Agreement at a purchase price of $32.90 per Common Share.
Page 5 of 7
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Except as described in the Schedule 13D, none of Questor Partners or Questor SBS
or any party referred to above, has acquired or disposed of, or entered into any
other transaction with respect to, any Common Shares during the past 60 days.
(d) None.
(e) Not applicable.
Page 6 of 7
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SIGNATURE
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After reasonable inquiry and to the best of their knowledge and
belief, the undersigned certify that the information set forth in this Statement
is true, complete and correct.
July 25, 2000 Questor Partners Fund, L.P.
By: Questor General Partner, L.P., its
general partner
By: Questor Principals, Inc., its
general partner
By: /s/ Robert E. Shields
------------------------
Name: Robert E. Shields
Questor Side-by-Side Partners, L.P.
By: Questor Principals, Inc., its
general partner
By: /s/ Robert E. Shields
---------------------
Name: Robert E. Shields
Page 7 of 7
