EXHIBIT 10.21 CONSENT, WAIVER AND AMENDMENT This CONSENT, WAIVER AND AMENDMENT (this "Agreement") is entered into as of June 18, 2004, by and among NeuroMetrix, Inc., a Delaware corporation (the "Company"), and the undersigned stockholders (the...Consent, Waiver and Amendment • July 7th, 2004 • NeuroMetrix, Inc. • Surgical & medical instruments & apparatus • Massachusetts
EXHIBIT 10.19 NEUROMETRIX, INC. STOCK OPTION AGREEMENT (1998 PLAN) NeuroMetrix, Inc., a Delaware corporation (the "Company") hereby grants to Gary L. Gregory, presently of 4951 Mission Hill Place, Tucson, AZ 85718 (the "Grantee"), an option (the...Stock Option Agreement • July 7th, 2004 • NeuroMetrix, Inc. • Surgical & medical instruments & apparatus
