<HTML>
<HEAD>
<TITLE>
</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF" LINK=BLUE  VLINK=PURPLE>
<BR>
<FONT SIZE=3 ><A HREF="#02STP2039_1">QuickLinks</A></FONT>
<font size=3> -- Click here to rapidly navigate through this document</font>

<!-- TOC_END -->
<HR NOSHADE>
<HR NOSHADE>
<P ALIGN="CENTER"><FONT SIZE=5><B>SECURITIES AND EXCHANGE COMMISSION<BR>  </B></FONT><FONT SIZE=2><B>Washington, D.C. 20549  </B></FONT></P>

<HR NOSHADE ALIGN="CENTER" WIDTH="120">
<P ALIGN="CENTER"><FONT SIZE=5><B>FORM S-8<BR>  </B></FONT><FONT SIZE=2><B>REGISTRATION STATEMENT<BR>
Under<BR>
The Securities Act of 1933  </B></FONT></P>

<HR NOSHADE ALIGN="CENTER" WIDTH="120">
<P ALIGN="CENTER"><FONT SIZE=5><B>ENDOCARDIAL SOLUTIONS,&nbsp;INC.<BR>  </B></FONT><FONT SIZE=2>(Exact name of registrant as specified in its charter) </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="50%" ALIGN="CENTER"><FONT SIZE=2><B>Delaware</B></FONT><FONT SIZE=2><BR>
(State or other jurisdiction of<BR>
incorporation or organization)</FONT></TD>
<TD WIDTH="50%" ALIGN="CENTER"><FONT SIZE=2><B>41-1724963</B></FONT><FONT SIZE=2><BR>
(I.R.S. Employer Identification&nbsp;No.)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="50%" ALIGN="CENTER"><BR><FONT SIZE=2><B>1350 Energy Lane, Suite 110<BR>
St. Paul, Minnesota</B></FONT><FONT SIZE=2><BR>
(Address of principal executive offices)</FONT></TD>
<TD WIDTH="50%" ALIGN="CENTER"><BR><FONT SIZE=2><B>55108</B></FONT><FONT SIZE=2><BR>
(Zip Code)</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<P ALIGN="CENTER"><FONT SIZE=2><B>ENDOCARDIAL SOLUTIONS,&nbsp;INC.<BR>
1993 LONG-TERM INCENTIVE AND STOCK OPTION PLAN<BR>
DIRECTORS' STOCK OPTION PLAN<BR>  </B></FONT><FONT SIZE=2>(Full title of the plans) </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B>James W. Bullock<BR>
Endocardial Solutions,&nbsp;Inc.<BR>
1350 Energy Lane, Suite 110<BR>
St. Paul, Minnesota 55108<BR>
(651)&nbsp;523-6900<BR>
Facsimile: (651)&nbsp;644-7897<BR>  </B></FONT><FONT SIZE=2>(Name, address and telephone number, including area code, of agent for service) </FONT></P>

<HR NOSHADE ALIGN="CENTER" WIDTH="120">
<P ALIGN="CENTER"><FONT SIZE=2><B>CALCULATION OF REGISTRATION FEE  </B></FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD COLSPAN=9 VALIGN="BOTTOM"><BR><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="35%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Title of Securities<BR>
to be Registered(1)</B></FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=1>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Amount to be<BR>
Registered(1)</B></FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=1>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Proposed Maximum Offering Price<BR>
Per Share(2)</B></FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=1>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Proposed Maximum Aggregate Offering Price(2)</B></FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=1>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Amount of<BR>
Registration Fee</B></FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD COLSPAN=9 VALIGN="BOTTOM"><HR NOSHADE></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="35%" VALIGN="BOTTOM"><FONT SIZE=2>Common Stock ($.01 par value)</FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=2>850,000 shares</FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=2>$8.10</FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=2>$6,885,000</FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=2>$633.42</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD COLSPAN=9 VALIGN="BOTTOM"><HR NOSHADE></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<DL compact>
<DT style='margin-bottom:-11pt;'><FONT SIZE=2>(1)</FONT></DT><DD><FONT SIZE=2>The
number of shares being registered represents the number of shares of common stock indicated for each of the following plans in addition to shares previously registered under the
plans: Endocardial Solutions,&nbsp;Inc. 1993 Long-Term Incentive and Stock Option Plan (750,000 shares); and Endocardial Solutions,&nbsp;Inc. Directors' Stock Option Plan (100,000
shares). Includes corresponding rights to acquire shares of Endocardial Solutions,&nbsp;Inc. preferred stock pursuant to the Rights Agreement between Endocardial Solutions,&nbsp;Inc. and Wells
Fargo Bank Minnesota, N.A. Pursuant to Rule&nbsp;416 under the Securities Act of 1933, as amended, this registration statement shall also cover any additional shares of common stock which become
issuable under such plans pursuant to their respective antidilution provisions.
<BR><BR></FONT></DD><DT style='margin-bottom:-11pt;'><FONT SIZE=2>(2)</FONT></DT><DD><FONT SIZE=2>Estimated
solely for the purpose of calculating the registration fee in accordance with Rule&nbsp;457(h) under the Securities Act of 1933, as amended, using the average of the high
and low prices of the common stock as reported on the Nasdaq National Market on June&nbsp;3, 2002. </FONT></DD></DL>
<BR>
<HR NOSHADE>
<HR NOSHADE>
<HR NOSHADE>
<!-- ZEQ.=1,SEQ=1,EFW="2081604",CP="ENDOCARDIAL SOLUTIONS, INC.",DN="1",CHK=916495,FOLIO='blank',FILE='DISK038:[02STP9.02STP2039]BA2039A.;12',USER='JBAKER',CD=';4-JUN-2002;14:34' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->

<P><FONT SIZE=2><A
NAME="page_de2039_1_2"> </A> </FONT></P>

<!-- TOC_END -->

<P><FONT SIZE=2>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to General Instruction E of Form&nbsp;S-8, this Registration Statement relates to the registration of additional shares of common stock, $.01 par value per share,
of the Registrant under the Endocardial Solutions,&nbsp;Inc. 1993 Long-Term Incentive and Stock Option Plan and the Endocardial Solutions,&nbsp;Inc. Directors' Stock Option Plan, and
incorporates by reference the following: the Registration Statement on Form&nbsp;S-8 relating to the 1993 Long-Term Incentive and Stock Option Plan and the Directors' Stock
Option Plan filed with the Securities and Exchange Commission (the "Commission") on May&nbsp;29, 1997 (File No.&nbsp;333-27979), and the Registration Statement on
Form&nbsp;S-8 relating to the 1993 Long-Term Incentive and Stock Option Plan filed with the Commission on October&nbsp;19, 2001 (File No.&nbsp;333-71858). </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="de2039_part_ii._information_re__de202451"> </A>
<A NAME="de2039_part_#160;ii"> </A>
<A NAME="toc_de2039_1"> </A>
<BR></FONT><FONT SIZE=2><B>PART II.<BR>  INFORMATION REQUIRED IN THE REGISTRATION STATEMENT    <BR>  </B></FONT></P>

<P><FONT SIZE=2><B>Item 8. </B></FONT><FONT SIZE=2><B><I>Exhibits.  </I></B></FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="100%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="6%"><FONT SIZE=2>&nbsp;&nbsp;4.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="92%"><FONT SIZE=2>Amended and Restated Certificate of Incorporation of the Registrant (incorporated by reference to Exhibit&nbsp;3.2 to the Registrant's Registration Statement on Form&nbsp;S-1, dated January&nbsp;29, 1997, as amended on
March&nbsp;5, 1997, March&nbsp;13, 1997 and March&nbsp;18, 1997 (File No.&nbsp;0-22233))</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="6%"><FONT SIZE=2><BR>
&nbsp;&nbsp;4.2</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="92%"><FONT SIZE=2><BR>
Amended Bylaws of the Registrant (incorporated by reference to Exhibit&nbsp;3.2 to the Registrant's Annual Report on Form&nbsp;10-K for the year ended December&nbsp;31, 1999 (File No.&nbsp;0-22233))</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="6%"><FONT SIZE=2><BR>
&nbsp;&nbsp;4.3</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="92%"><FONT SIZE=2><BR>
Rights Agreement, dated as of August 25, 1999, between the Registrant and Wells Fargo Bank Minnesota, National Association (formerly Norwest Bank Minnesota, National Association) as Rights Agent (incorporated by reference to Exhibit&nbsp;1 to the
Registrant's Registration Statement on Form&nbsp;8-A dated August&nbsp;25, 1999 (File No.&nbsp;0-22233))</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="6%"><FONT SIZE=2><BR>
&nbsp;&nbsp;5.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="92%"><FONT SIZE=2><BR>
Opinion and Consent of Dorsey &amp; Whitney LLP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="6%"><FONT SIZE=2><BR>
23.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="92%"><FONT SIZE=2><BR>
Consent of Ernst &amp; Young LLP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="6%"><FONT SIZE=2><BR>
23.2</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="92%"><FONT SIZE=2><BR>
Consent of Dorsey &amp; Whitney LLP (included in Exhibit&nbsp;5.1)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="6%"><FONT SIZE=2><BR>
24.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="92%"><FONT SIZE=2><BR>
Power of Attorney (included on signature page)</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<P ALIGN="CENTER"><FONT SIZE=2>2</FONT></P>

<HR NOSHADE>
<!-- ZEQ.=1,SEQ=2,EFW="2081604",CP="ENDOCARDIAL SOLUTIONS, INC.",DN="1",CHK=988546,FOLIO='2',FILE='DISK038:[02STP9.02STP2039]DE2039A.;5',USER='JBAKER',CD=';4-JUN-2002;14:33' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<!-- TOC_END -->
<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="jc2039_signatures"> </A>
<A NAME="toc_jc2039_1"> </A>
<BR></FONT><FONT SIZE=2><B>SIGNATURES    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form&nbsp;S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of St.
Paul, State of Minnesota, on the 31st day of May, 2002 </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="77%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=3><FONT SIZE=2>ENDOCARDIAL SOLUTIONS,&nbsp;INC.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="47%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="4%"><FONT SIZE=2><BR>
By</FONT></TD>
<TD WIDTH="1%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="45%" ALIGN="CENTER"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>JAMES W. BULLOCK</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> James W. Bullock<BR></FONT> <FONT SIZE=2><I>President and Chief Executive Officer (Principal Executive,
Financial and Accounting Officer)</I></FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<P ALIGN="CENTER"><FONT SIZE=2><B>POWER OF ATTORNEY  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints James W. Bullock, as his true and lawful
attorney-in-fact and agent, with full powers of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign any additional
Registration Statement pursuant to Rule&nbsp;462(b) under the Securities Act of 1933, as amended, and any or all amendments (including post-effective amendments) to this Registration
Statement on Form&nbsp;S-8 (or Registration Statements, if an additional Registration Statement is filed pursuant to Rule&nbsp;462(b)) and to file the same, with all exhibits thereto,
and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that said attorney-in-fact and agent, or his substitute or substitutes, lawfully do or cause to be done by virtue hereof. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the date indicated. </FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="81%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="BOTTOM">
<TH WIDTH="45%" ALIGN="LEFT"><FONT SIZE=1><B>Signature<BR> </B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="33%" ALIGN="LEFT"><FONT SIZE=1><B>Title<BR> </B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="18%" ALIGN="CENTER"><FONT SIZE=1><B>Date</B></FONT><HR NOSHADE></TH>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%" ALIGN="CENTER" VALIGN="CENTER"><BR><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="33%" VALIGN="CENTER"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="18%" VALIGN="CENTER"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="45%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2>/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>JAMES W. BULLOCK</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> James W. Bullock</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="33%" VALIGN="CENTER"><FONT SIZE=2>President, Chief Executive Officer and Director (Principal Executive Officer, Financial and Accounting Officer)</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2>May 31, 2002</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>GRAYDON E. BEATTY</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Graydon E. Beatty</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="33%" VALIGN="CENTER"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
May 31, 2002</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>JAMES E. DAVERMAN</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> James E. Daverman</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="33%" VALIGN="CENTER"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
May 31, 2002</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>ROBERT G. HAUSER, M.D.</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Robert G. Hauser, M.D.</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="33%" VALIGN="CENTER"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
May 23, 2002</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%" ALIGN="CENTER" VALIGN="CENTER"><BR><HR NOSHADE><FONT SIZE=2> Richard D. Randall</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="33%" VALIGN="CENTER"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%" ALIGN="CENTER" VALIGN="CENTER"><BR><HR NOSHADE><FONT SIZE=2> Warren S. Watson</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="33%" VALIGN="CENTER"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>MARK T. WAGNER</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Mark T. Wagner</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="33%" VALIGN="CENTER"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="CENTER"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="CENTER"><FONT SIZE=2><BR>
May 27, 2002</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<HR NOSHADE>
<!-- ZEQ.=1,SEQ=3,EFW="2081604",CP="ENDOCARDIAL SOLUTIONS, INC.",DN="1",CHK=976487,FOLIO='blank',FILE='DISK038:[02STP9.02STP2039]JC2039A.;7',USER='JBAKER',CD=';4-JUN-2002;14:33' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<!-- TOC_END -->
<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="ka2039_exhibit_index"> </A>
<A NAME="toc_ka2039_1"> </A>
<BR></FONT><FONT SIZE=2><B>EXHIBIT INDEX    <BR>  </B></FONT></P>

<!-- User-specified TAGGED TABLE -->
<TABLE WIDTH="79%" BORDER=0 CELLSPACING=0 CELLPADDING=0>
<TR VALIGN="BOTTOM">
<TH WIDTH="8%" ALIGN="LEFT"><FONT SIZE=1><B>Exhibit<BR> </B></FONT><HR NOSHADE></TH>
<TH WIDTH="3%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="83%" ALIGN="LEFT"><FONT SIZE=1><B>Page<BR> </B></FONT><HR NOSHADE></TH>
<TH WIDTH="3%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="3%" ALIGN="LEFT"><FONT SIZE=1>&nbsp;</FONT><BR></TH>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="8%"><FONT SIZE=2>5.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="83%"><FONT SIZE=2>Opinion and Consent of Dorsey &amp; Whitney LLP</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD WIDTH="8%"><FONT SIZE=2><BR>
23.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="83%"><FONT SIZE=2><BR>
Consent of Ernst &amp; Young LLP</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
</TABLE>
<!-- end of user-specified TAGGED TABLE -->

<HR NOSHADE>
<!-- ZEQ.=1,SEQ=4,EFW="2081604",CP="ENDOCARDIAL SOLUTIONS, INC.",DN="1",CHK=9349,FOLIO='blank',FILE='DISK038:[02STP9.02STP2039]KA2039A.;6',USER='JBAKER',CD=';4-JUN-2002;14:33' -->
<!-- THIS IS THE END OF A COMPOSITION COMPONENT -->
<BR>
<P><br><A NAME="02STP2039_1">QuickLinks</A><br></P><!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_de2039_1">PART&#160;II</A></FONT><BR>
<!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_jc2039_1">SIGNATURES</A></FONT><BR>
<!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_ka2039_1">EXHIBIT INDEX</A></FONT><BR>
<!-- SEQ=,FILE='QUICKLINK',USER=JGARCEA,SEQ=,EFW="2081604",CP="ENDOCARDIAL SOLUTIONS, INC.",DN="1" -->
<!-- TOCEXISTFLAG -->
</BODY>
</HTML>
[{"type": "S-8", "sequence": "1", "filename": "a2081604zs-8.htm", "description": "FORM S-8", "secsgml_size_bytes": 19867}]
{"company-data": {"conformed-name": "ENDOCARDIAL SOLUTIONS INC", "cik": "0000940659", "assigned-sic": "3841", "irs-number": "411724963", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-89930", "film-number": "02672075"}, "business-address": {"street1": "1350 ENERGY LANE", "street2": "STE 110", "city": "ST PAUL", "state": "MN", "zip": "55108", "phone": "6126447890"}}
QuickLinks
-- Click here to rapidly navigate through this document
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
Under
The Securities Act of 1933
ENDOCARDIAL SOLUTIONS, INC.
(Exact name of registrant as specified in its charter)
Delaware
(State or other jurisdiction of
incorporation or organization)
41-1724963
(I.R.S. Employer Identification No.)
1350 Energy Lane, Suite 110
St. Paul, Minnesota
(Address of principal executive offices)
55108
(Zip Code)
ENDOCARDIAL SOLUTIONS, INC.
1993 LONG-TERM INCENTIVE AND STOCK OPTION PLAN
DIRECTORS' STOCK OPTION PLAN
(Full title of the plans)
James W. Bullock
Endocardial Solutions, Inc.
1350 Energy Lane, Suite 110
St. Paul, Minnesota 55108
(651) 523-6900
Facsimile: (651) 644-7897
(Name, address and telephone number, including area code, of agent for service)
CALCULATION OF REGISTRATION FEE
Title of Securities
to be Registered(1)
Amount to be
Registered(1)
Proposed Maximum Offering Price
Per Share(2)
Proposed Maximum Aggregate Offering Price(2)
Amount of
Registration Fee
Common Stock ($.01 par value)
850,000 shares
$8.10
$6,885,000
$633.42
(1)
The
number of shares being registered represents the number of shares of common stock indicated for each of the following plans in addition to shares previously registered under the
plans: Endocardial Solutions, Inc. 1993 Long-Term Incentive and Stock Option Plan (750,000 shares); and Endocardial Solutions, Inc. Directors' Stock Option Plan (100,000
shares). Includes corresponding rights to acquire shares of Endocardial Solutions, Inc. preferred stock pursuant to the Rights Agreement between Endocardial Solutions, Inc. and Wells
Fargo Bank Minnesota, N.A. Pursuant to Rule 416 under the Securities Act of 1933, as amended, this registration statement shall also cover any additional shares of common stock which become
issuable under such plans pursuant to their respective antidilution provisions.
(2)
Estimated
solely for the purpose of calculating the registration fee in accordance with Rule 457(h) under the Securities Act of 1933, as amended, using the average of the high
and low prices of the common stock as reported on the Nasdaq National Market on June 3, 2002.
Pursuant to General Instruction E of Form S-8, this Registration Statement relates to the registration of additional shares of common stock, $.01 par value per share,
of the Registrant under the Endocardial Solutions, Inc. 1993 Long-Term Incentive and Stock Option Plan and the Endocardial Solutions, Inc. Directors' Stock Option Plan, and
incorporates by reference the following: the Registration Statement on Form S-8 relating to the 1993 Long-Term Incentive and Stock Option Plan and the Directors' Stock
Option Plan filed with the Securities and Exchange Commission (the "Commission") on May 29, 1997 (File No. 333-27979), and the Registration Statement on
Form S-8 relating to the 1993 Long-Term Incentive and Stock Option Plan filed with the Commission on October 19, 2001 (File No. 333-71858).
PART II.
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8.
Exhibits.
4.1
Amended and Restated Certificate of Incorporation of the Registrant (incorporated by reference to Exhibit 3.2 to the Registrant's Registration Statement on Form S-1, dated January 29, 1997, as amended on
March 5, 1997, March 13, 1997 and March 18, 1997 (File No. 0-22233))
4.2
Amended Bylaws of the Registrant (incorporated by reference to Exhibit 3.2 to the Registrant's Annual Report on Form 10-K for the year ended December 31, 1999 (File No. 0-22233))
4.3
Rights Agreement, dated as of August 25, 1999, between the Registrant and Wells Fargo Bank Minnesota, National Association (formerly Norwest Bank Minnesota, National Association) as Rights Agent (incorporated by reference to Exhibit 1 to the
Registrant's Registration Statement on Form 8-A dated August 25, 1999 (File No. 0-22233))
5.1
Opinion and Consent of Dorsey & Whitney LLP
23.1
Consent of Ernst & Young LLP
23.2
Consent of Dorsey & Whitney LLP (included in Exhibit 5.1)
24.1
Power of Attorney (included on signature page)
2
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of St.
Paul, State of Minnesota, on the 31st day of May, 2002
ENDOCARDIAL SOLUTIONS, INC.
By
/s/
JAMES W. BULLOCK
James W. Bullock
President and Chief Executive Officer (Principal Executive,
Financial and Accounting Officer)
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints James W. Bullock, as his true and lawful
attorney-in-fact and agent, with full powers of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign any additional
Registration Statement pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and any or all amendments (including post-effective amendments) to this Registration
Statement on Form S-8 (or Registration Statements, if an additional Registration Statement is filed pursuant to Rule 462(b)) and to file the same, with all exhibits thereto,
and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that said attorney-in-fact and agent, or his substitute or substitutes, lawfully do or cause to be done by virtue hereof.
Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the date indicated.
Signature
Title
Date
/s/
JAMES W. BULLOCK
James W. Bullock
President, Chief Executive Officer and Director (Principal Executive Officer, Financial and Accounting Officer)
May 31, 2002
/s/
GRAYDON E. BEATTY
Graydon E. Beatty
Director
May 31, 2002
/s/
JAMES E. DAVERMAN
James E. Daverman
Director
May 31, 2002
/s/
ROBERT G. HAUSER, M.D.
Robert G. Hauser, M.D.
Director
May 23, 2002
Richard D. Randall
Director
Warren S. Watson
Director
/s/
MARK T. WAGNER
Mark T. Wagner
Director
May 27, 2002
EXHIBIT INDEX
Exhibit
Page
5.1
Opinion and Consent of Dorsey & Whitney LLP
23.1
Consent of Ernst & Young LLP
QuickLinks
PART II
SIGNATURES
EXHIBIT INDEX