X0508 4 2026-02-23 0001021860 NOV Inc. NOV 0001605155 Rovig Joseph W 10353 RICHMOND AVE. HOUSTON TX 77042 false true false false President - Energy Equipment false Common Stock 2026-02-23 4 M false 79086 15.00 A 348780 D Common Stock 2026-02-23 4 M false 72000 16.73 A 420780 D Common Stock 2026-02-23 4 S false 151086 20.1653 D 269694 D Common Stock 1011 I By 401(k) Plan Non-Qualified Stock Option (right to buy) 15.00 2026-02-23 4 M false 79086 0.00 D 2031-02-23 Common Stock 79086 0 D Non-Qualified Stock Option (right to buy) 16.73 2026-02-23 4 M false 72000 0.00 D 2032-02-16 Common Stock 72000 0 D The price reported in column 4 is the average price. These shares were sold in multiple transactions. The prices for these shares ranged from $20.045 to $20.265. The reporting person undertakes to provide to NOV Inc., any securityholder of NOV Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth within this footnote (1) to this Form 4. Represents the number of shares equivalent of NOV common stock held by Mr. Rovig under the NOV Inc. 401(k) Plan. The information in this report is based on Mr. Rovig's account balance as of February 23, 2026. The option, representing a right to purchase a total of 79,086 shares, became exercisable in three equal installments beginning on February 22, 2022, which was the first anniversday of the date on which the option was granted. The option, representing a right to purchase a total of 72,000 shares, became exercisable in three equal installments beginning on February 15, 2023, which was the first anniversday of the date on which the option was granted. By: Peter F. Vranderic For: Joseph W. Rovig 2026-02-24