Shareholders should contact the firm immediately as there may be limited time to enforce your rights.  NEW YORK, Dec. 24, 2025 /PRNewswire/ -- Halper Sadeh LLC, an investor rights law firm, is investigating whether certain officers and directors of United Natural Foods, Inc. (NYSE: UNFI) breached their fiduciary duties to shareholders. If you currently own United Natural stock and are a long-term shareholder, you may be able to seek corporate governance reforms, the return of funds back to the company, a c ...