MIDDLETON, Wis.--(BUSINESS WIRE)--Spectrum Brands Holdings, Inc. (NYSE: SPB)(“Spectrum Brands Holdings”) announced today the commencement of an underwritten public offering of $500.0 million in shares of its common stock. Spectrum Brands Holdings expects to grant the underwriters an option to purchase a maximum of $75.0 million in additional shares of Spectrum Brands Holdings’ common stock. Spectrum Brands Holdings intends to use the net proceeds of the offering to fund a portion of its acquisi