Previous ‘424B5’:  ‘424B5’ on 2/4/21   ·   Next & Latest:  ‘424B5’ on 2/10/21   ·   27 References:   To:  United States Steel Corp. – ‘8-K’ on 2/5/21 for 2/2/21 To:  United States Steel Corp. – ‘8-K/A’ on 2/2/21 for 1/15/21 To:  United States Steel Corp. – ‘8-K’ on 1/19/21 for 1/15/21 To:  United States Steel Corp. – ‘8-K’ on / for 12/30/20 To:  United States Steel Corp. – ‘8-K’ on / for 12/18/20 To:  United States Steel Corp. – ‘8-K’ on / for 11/24/20 To:  United States Steel Corp. – ‘10-Q’ on 10/30/20 for 9/30/20 To:  United States Steel Corp. – ‘8-K’ on 10/2/20 for 9/30/20 To:  United States Steel Corp. – ‘8-K’ on 9/25/20 for 9/21/20 To:  United States Steel Corp. – ‘10-Q’ on 7/31/20 for 6/30/20 To:  United States Steel Corp. – ‘8-K’ on 7/30/20 for 7/26/20 To:  United States Steel Corp. – ‘8-K’ on 6/22/20 for 6/17/20 To:  United States Steel Corp. – ‘8-K’ on / for 5/29/20 To:  United States Steel Corp. – ‘8-K’ on 5/26/20 for 5/21/20 To:  United States Steel Corp. – ‘8-K’ on 5/21/20 for 5/20/20 To:  United States Steel Corp. – ‘8-K’ on 5/1/20 for 4/28/20 To:  United States Steel Corp. – ‘10-Q’ on 5/1/20 for 3/31/20 To:  United States Steel Corp. – ‘8-K’ on / for 4/30/20 To:  United States Steel Corp. – ‘8-K’ on / for 4/30/20 To:  United States Steel Corp. – ‘DEFA14A’ on 4/15/20 To:  United States Steel Corp. – ‘8-K’ on 3/27/20 for 3/23/20 To:  United States Steel Corp. – ‘8-K’ on 3/13/20 for 3/10/20 To:  United States Steel Corp. – ‘DEF 14A’ on 3/13/20 for 4/28/20 To:  United States Steel Corp. – ‘10-K’ on 2/14/20 for 12/31/19 To:  United States Steel Corp. – ‘8-K’ on 1/31/20 for 1/30/20 To:  United States Steel Corp. – ‘10-K’ on 2/15/19 for 12/31/18 To:  United States Steel Corp. – ‘DEF 14A’ on 3/9/18 for 4/24/18