Arq, Inc. COO sold shares as the company faces financial struggles and a dropping stock price.

Arq, Inc. COO Jeremy Williamson sold 5,233 shares of the company's stock, reducing his holdings by 3.64% to 138,699 shares. The company, which provides environmental and emission control equipment, recently reported negative financial metrics and has a PE ratio of -454.00. Arq's stock price is currently down at $4.54, having traded between $4.01 and $8.26 over the last year.