Gassen Steve Matthew 4

What Happened

• Steve Matthew Gassen, Executive Vice President, Geographies at SLB (SLB), received 1,201 shares of common stock on March 13, 2026 as the final issuance of performance share units (PSUs) granted January 18, 2023 (code A — award; $0.00 per share). On the same date, 473 shares were disposed/withheld at $44.22 per share to cover tax liability (code F), totaling $20,916.

Key Details

• Transaction date: March 13, 2026.
• Award: 1,201 shares issued (acquired) at $0.00 (PSU vesting).
• Tax withholding/disposition: 473 shares at $44.22 = $20,916.
• Shares owned after transaction: not disclosed in this Form 4 filing.
• Footnotes: PSUs were granted Jan 18, 2023; initial certification in Jan 2026 approved 80% of earned shares pending competitors’ audited 2025 results; final shares reflect all competitors’ reported 2025 audited results (footnote F1). F2 notes "equivalent shares" updated Nov 2025.
• Filing timeliness: Form 4 filed March 17, 2026 for a March 13, 2026 transaction (filed within the normal two-business-day window).

Context

• This was not an open-market purchase. The acquisition represents vested PSUs (compensation), while the 473-share disposition was a routine tax-withholding/cashless action to satisfy tax obligations — common when awards vest and not generally interpreted as a directional trading signal.