Valeritas Holdings, a New Jersey-based company that makes insulin pumps, said that it filed for chapter 11 protection, Beckers Hospital Review reported. Zealand Pharma, a Denmark-based drugmaker, will acquire "substantially all" of Valeritas' assets for $23 million, according to a news release. Valeritas manufactures the V-Go wearable insulin delivery device. The company said it will continue operations as normal during the transaction with Zealand.