UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934*
(Amendment No. 1)
Replidyne, Inc.
---------------
(Name of Issuer)
Common Stock, par value $0.001 per share
----------------------------------------
(Title of Class of Securities)
76028W107
---------
(CUSIP Number)
December 31, 2006
-----------------
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*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 the
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 purpose 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).
--------------------------------- ---------------------
CUSIP No. 76028W107 13G Page 2 of 7 Pages
--------------------------------- ---------------------
---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Duquesne Capital Management, L.L.C.
---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [X]
---------- ---------------------------------------------------------------------
3 SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Pennsylvania
-------------------- ------ ----------------------------------------------------
5 SOLE VOTING POWER
0
------ ----------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,383,918
OWNED BY
EACH
REPORTING ------ ----------------------------------------------------
PERSON 7 SOLE DISPOSITIVE POWER
WITH
0
------ ----------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,383,918
---------- ---------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,383,918
---------- ---------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
N/A
---------- ---------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.1%
---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
OO
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*SEE INSTRUCTION BEFORE FILLING OUT!
--------------------------------- ---------------------
CUSIP No. 76028W107 13G Page 3 of 7 Pages
--------------------------------- ---------------------
---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Stanley F. Druckenmiller
---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [X]
---------- ---------------------------------------------------------------------
3 SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
-------------------- ------ ----------------------------------------------------
5 SOLE VOTING POWER
0
------ ----------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,383,918
OWNED BY
EACH
REPORTING ------ ----------------------------------------------------
PERSON 7 SOLE DISPOSITIVE POWER
WITH
0
------ ----------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,383,918
---------- ---------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,383,918
---------- ---------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
N/A
---------- ---------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.1%
---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
--------------------------------- ---------------------
CUSIP No. 76028W107 13G Page 4 of 7 Pages
--------------------------------- ---------------------
---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Windmill Master Fund L.P.
---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [X]
---------- ---------------------------------------------------------------------
3 SEC USE ONLY
---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
-------------------- ------ ----------------------------------------------------
5 SOLE VOTING POWER
0
------ ----------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,097,509
OWNED BY
EACH
REPORTING ------ ----------------------------------------------------
PERSON 7 SOLE DISPOSITIVE POWER
WITH
0
------ ----------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,097,509
---------- ---------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,097,509
---------- ---------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
N/A
---------- ---------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
4.1%
---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
This Amendment No. 1 to Schedule 13G (this "Amendment No. 1") is being
filed with respect to the Common Stock of Replidyne, Inc., a corporation
organized under the laws of the State of Delaware (the "Company"), to amend the
Schedule 13G filed on July 7, 2006 (the "Schedule 13G") pursuant to the annual
amendment requirements. Additionally, this Amendment No. 1 reports that Windmill
Master Fund L.P. is no longer the beneficial owner of more than five percent of
the total outstanding Common Stock of the Company and therefore will cease to be
a Reporting Person. Capitalized terms used but not defined herein have the
meaning ascribed thereto in the Schedule 13G.
Item 4: Ownership:
------ ---------
Item 4 is hereby amended by deleting the entirety of the text thereof and
replacing it with the following:
The beneficial ownership of Common Stock by the Reporting Persons, as of
the date of this Amendment No. 1, is as follows:
A. Duquesne Capital
----------------
(a) Amount beneficially owned: 1,383,918.
(b) Percent of class: 5.1%. The percentages used herein and in the rest of
this Schedule 13G are calculated based upon a total of 26,935,680 shares of
Common Stock outstanding as of October 31, 2006, as reported in the Company's
Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2006.
(c) Number of shares as to which such person has:
(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 1,383,918
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 1,383,918
B. Mr. Druckenmiller
-----------------
(a) Amount beneficially owned: 1,383,918.
(b) Percent of class: 5.1%.
(c) Number of shares as to which such person has:
(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 1,383,918
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 1,383,918
-5-
C. Windmill
--------
(a) Amount beneficially owned: 1,097,509.
(b) Percent of class: 4.1%.
(c) Number of shares as to which such person has:
(i) Sole power to vote or direct the vote: -0-
(ii) Shared power to vote or direct the vote: 1,097,509
(iii) Sole power to dispose or direct the disposition: -0-
(iv) Shared power to dispose or direct the disposition: 1,097,509
Item 5: Ownership of Five Percent or Less of a Class:
------ --------------------------------------------
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following: [X]
In addition, Windmill has ceased to be the beneficial owner of more than
five percent of the total outstanding shares of Common Stock and therefore will
cease to be a Reporting Person. Duquesne Capital and Mr. Druckenmiller remain
beneficial owners of more than five percent of the total outstanding shares of
Common Stock and continue to be Reporting Persons.
Item 10: Certification:
------- -------------
Each Reporting Person hereby makes the following certification:
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.
[Signatures on following page]
-6-
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
DATED: February 9, 2007
DUQUESNE CAPITAL MANAGEMENT, L.L.C.
By: /s/ Gerald Kerner
-----------------------------------
Name: Gerald Kerner
Title: Managing Director
STANLEY F. DRUCKENMILLER
By: /s/ Gerald Kerner
-----------------------------------
Name: Gerald Kerner
Title: Attorney-in-Fact
WINDMILL MASTER FUND L.P.
By: Duquesne Capital Management, L.L.C.,
its investment manager
By: /s/ Gerald Kerner
-----------------------------------
Name: Gerald Kerner
Title: Managing Director
[SIGNATURE PAGE TO AMENDMENT NO. 1 TO SCHEDULE 13G
WITH RESPECT TO REPLIDYNE, INC.]