An activist United States Steel Corp. shareholder looking to back out of Nippon Steel’s controversial acquisition wants to replace CEO David Burritt and nine members of the board in a proxy battle that opens another front in the battle for control.

U.S. Steel yesterday disavowed a push from activist investor Ancora Holdings to drop its proposed sale to Japan's Nippon Steel Co. Why it matters: The future of the Pittsburgh icon is in limbo after a proposal to sell the company to Nippon was blocked by then-President Biden four weeks ago,

Activist investor Ancora has nominated nine candidates to U.S. Steel's board of directors, as it looks to oust company CEO David Burritt and push the American steelmaker to back out of a $14.9 billion merger deal with Japan's Nippon Steel.

Investment firm Ancora has nominated nine candidates to US Steel’s board of directors, as it looks to unseat company CEO David Burritt and pressure