Halper Sadeh LLC said it is investigating whether certain officers and directors of BellRing Brands, Inc. breached their fiduciary duties to shareholders. The law firm said long-term BellRing stockholders may be able to seek corporate governance reforms, the return of funds back to the company, a court-approved financial incentive award, or other relief and benefits. It said shareholder participation can help improve a company's policies, practices and oversight mechanisms and may enhance shareholder value.