UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2005 INTEGRA LIFESCIENCES HOLDINGS CORPORATION (Exact name of Registrant as specified in its charter) Delaware 0-26224 51-0317849 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer incorporation or organization) Identification No.) 311 Enterprise Drive Plainsboro, NJ 08536 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (609) 275-0500 Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ITEM 1.01. ENTRY INTO A MATERIAL DEFINITVE AGREEMENT. On July 26, 2005, the Compensation Committee of the Board of Directors of Integra LifeSciences Holdings Corporation modified the standard vesting schedule for stock options granted under its stock option plans and equity incentive plans on or after July 26, 2005. The modification provides that one quarter of each option grant shall vest on each of the one year anniversary of the grant date, the two year anniversary of the grant date, the three year anniversary of the grant date and the four year anniversary of the grant date. The form "Notice of Grant of Stock Options and Option Agreement" to be used in connection with stock options grants is attached as Exhibit 10.1 to this Current Report on Form 8-K and is incorporated by reference into this Item. ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS. (c) Exhibits. Exhibit Number Description of Exhibit -------------- --------------------------- 10.1 Form of Notice of Grant of Stock Options and Option Agreement SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. INTEGRA LIFESCIENCES HOLDINGS CORPORATION Date: July 29, 2005 By: /s/ Stuart M. Essig ----------------------------- Stuart M. Essig President and Chief Executive Officer Exhibit Index Exhibit Number Description of Exhibit -------------- --------------------------- 10.1 Form of Notice of Grant of Stock Options and Option Agreement