BRODSKY & SMITH SHAREHOLDER UPDATE: Notifying Investors of the Following Investigations: Avadel Pharmaceuticals plc (Nasdaq - AVDL), Middlefield Banc Corp. (Nasdaq - MBCN), Heidrick & Struggles International, Inc. (Nasdaq - HSII), Comerica Incorporated (NYSE - CMA)

BRODSKY & SMITH SHAREHOLDER UPDATE: Notifying Investors of the Following Investigations: Avadel Pharmaceuticals plc (Nasdaq - AVDL), Middlefield Banc Corp. (Nasdaq - MBCN), Heidrick & Struggles International, Inc. (Nasdaq - HSII), Comerica Incorporated (NYSE - CMA) — alphai