X0306 4 2015-08-24 0 0001378789 AerCap Holdings N.V. AER 0001450290 Helming Keith A AERCAP HOUSE, STATIONSPLEIN 965 SCHIPHOL P7 1117CE NETHERLANDS 0 1 0 0 Chief Financial Officer Ordinary Shares 2015-09-15 4 D 0 22650 41.97 D 422950 D This form is filed voluntarily. As a foreign private issuer, AerCap Holdings N.V. is exempted from Section 16 of the Exchange Act by Rule 3a12-3. The proceeds from the sale of the 22,650 ordinary shares that are the subject of this filing are for personal taxes payable by K. Helming from equity awards vested during 2014 and 2015. /s/ Keith A. Helming 2015-09-17