10. Stock-Based Compensation

The Company’s stock-based compensation plan, known as the NOV Inc. Long-Term Incentive Plan (the “NOV Plan”), was approved by shareholders on May 11, 2018 and amended and restated on May 24, 2022 and May 20, 2025. The NOV Plan provides for the granting of stock options, restricted stock, restricted stock units, performance awards, phantom shares, stock appreciation rights, stock payments and substitute awards. The number of shares authorized under the NOV Plan is 70.9 million. At June 30, 2026, approximately 13.7 million shares remained available for future grants under the NOV Plan. The Company also has outstanding awards under its former stock-based compensation plan known as the National Oilwell Varco, Inc. Long-Term Incentive Plan (the “Former Plan”); however, the Company is no longer granting new awards under the Former Plan.

On May 20, 2026, under the NOV Plan, the Company granted 75,656 restricted stock units (“RSUs”) with a fair value of $21.15 per share. The awards were granted to non-employee members of the board of directors and vest on the first anniversary of the grant date.

Total expense for all stock-based compensation arrangements was $15 million and $41 million for the three and six months ended June 30, 2026, respectively, and $17 million and $33 million for the three and six months ended June 30, 2025, respectively.

The total income tax expense (benefit) recognized in the Consolidated Statements of Income for stock-based compensation arrangements was $(2) million for each of the three and six months ended June 30, 2026, respectively, and $(3) million and $6 million for the three and six months ended 2025, respectively.