Form 4: SLB Chief Legal Officer Sells Shares Post-Vesting

Dianne B. Ralston, SLB's Chief Legal Officer, reported acquiring shares from performance unit vesting and subsequently selling a portion for tax obligations and an open market transaction.

Summary

• Dianne B. Ralston, Chief Legal Officer & Secretary of SLB LIMITED/NV (SLB), reported changes in her beneficial ownership of common stock.
• On January 23, 2026, Ralston acquired 47,437 shares of SLB common stock at a price of $0, resulting from the vesting of performance share units granted on January 18, 2023.
• Following this acquisition, her beneficial ownership increased to 260,381 shares.
• On the same day, January 23, 2026, she disposed of 17,667 shares at $50.25 per share to cover tax withholding obligations related to the vesting.
• This tax-related disposition reduced her beneficial ownership to 242,714 shares.
• On January 26, 2026, Ralston sold an additional 18,617 shares of common stock in an open market transaction at a price of $49.50 per share.
• After all reported transactions, her beneficial ownership stands at 224,097 shares of SLB common stock.

Sentiment

Score: 5

Explanation: The filing reports routine insider transactions related to executive compensation, including the vesting of performance shares and subsequent sales for tax and personal reasons. There are no overtly positive or negative implications for the company's operational or financial performance.

Positives

• The acquisition of 47,437 shares at $0 indicates the successful achievement of performance criteria for performance share units granted in January 2023, reflecting positively on management's performance.

Negatives

• The sale of 18,617 shares in an open market transaction by a key executive could be perceived as a slight negative, although the amount is relatively small compared to total holdings and the vesting event.

Future Outlook

This Form 4 filing reports past insider transactions and does not contain any forward-looking statements or guidance regarding the company's future outlook.

Industry Context

Insider transactions, such as the vesting of performance share units and subsequent sales for tax purposes or personal liquidity, are common occurrences in publicly traded companies across all industries. These transactions reflect standard executive compensation practices and personal financial planning rather than specific industry trends.

Comparison to Industry Standards

• The reported transactions are consistent with typical executive compensation structures that include performance-based equity awards.
• The subsequent sale of shares for tax obligations is a standard practice following equity vesting.
• The open market sale is a routine personal financial decision by an executive and does not inherently indicate a deviation from industry norms or specific comparable company actions without further context.

Stakeholder Impact

• Shareholders: The transactions represent a routine change in beneficial ownership by a key executive. The sale of shares, while minor, slightly increases the float. The vesting of performance shares indicates management met certain performance targets, which could be viewed positively.
• Employees: No direct impact on employees is indicated.
• Customers/Suppliers/Creditors: No direct impact on these stakeholders is indicated.

Key Dates

Keywords

SLB, Dianne B. Ralston, Insider Trading, Executive Compensation, Stock Sale, Performance Share Units, Form 4, Beneficial Ownership