X0202 4 2008-03-25 0 0001113784 CARDIONET INC BEAT 0001389428 PRYSTOWSKY ERIC N 958 LAURELWOOD CARMEL IN 46032 1 0 0 0 Common Stock 2008-03-25 4 C 0 5605 A 49605 D Common Stock 2008-03-25 4 C 0 10204 A 10204 I See Footnotes Series B Convertible Preferred Stock 2008-03-25 4 C 0 11211 0 D Common Stock 5605 0 D Series B Convertible Preferred Stock 2008-03-25 4 C 0 20408 0 D Common Stock 10204 0 I See footnotes Each 2 shares of Series B Convertible Preferred Stock converted into 1 share of the Issuer's common stock upon the closing of the Issuer's initial public offering for no additional consideration and had no expiration date. By Raymond James and Associates, Inc. as Custodian f/b/o Eric N. Prystowsky Exhibit 24.1 Power of Attorney /s/ Doreen Roberts, Corporate Secretary, by power of attorney 2008-03-26