1、 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549FORM 10-KxANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D)OF THESECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31,2005oroTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D)OF THESECURITIES EXCHANGE ACT OF 1934Isolagen,
2、Inc.(Exact name of registrant as specified in its Charter.)Delaware001-3156487-0458888(State or other jurisdiction ofincorporation)(Commission File Number)(I.R.S.Employer Identification No.)405 Eagleview BoulevardExton,Pennsylvania 19341(Address of principal executive offices,including zip code)(484
3、)713-6000(Issuers telephone number,including area code)Securities registered pursuant to Section 12(b)of the Act:Title of Each ClassName of Each Exchange on which RegisteredCommon Stock,$.001 par valueAmerican Stock ExchangeIndicate by check mark if the registrant is a well-known seasoned issuer,as
4、defined in Rule 405 of the Securities Act.Yes o No xIndicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d)of the Act.Yes o No xIndicate by check mark whether the registrant:(1)filed all reports required to be filed by Section 13 or 15(d)of th
5、e Exchange Act during the preceding12 months(or for any shorter period that the registrant was required to file such reports),and(2)has been subject to such filing requirements for the past90 days.Yes x No oIndicate by check mark if there is no disclosure of delinquent filers in response to Item 405
6、 of Regulation S-K contained in this form,and no disclosurewill be contained,to the best of registrants knowledge,in definitive proxy or information statements incorporated by reference in Part III of this Form 10-Kor any amendment to this Form 10-K.oIndicate by check mark whether the registrant is