X0203

    
        0001354457
        Nasdaq Stock Market LLC
    

    
        0001644675
        Mimecast Ltd
        001-37637
        

            Citypoint, One Ropemaker Street
            Moorgate
            London
            X0
            UNITED KINGDOM
            EC2Y 9AW
        
        781-697-0684
    

    Ordinary Shares

    17 CFR 240.12d2-2(a)(3)

    
        Tara Petta
        AVP
        2022-05-19
    

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