ORESHACK KURT 4

What Happened
Kurt Oreshack, General Counsel of Maravai Lifesciences Holdings, had 39,976 shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units. The withheld shares were reported as a disposition at $3.08 per share, totaling $123,126. This was an administrative tax-withholding event rather than an open-market sale.

Key Details

• Transaction date: 2026-03-16; Filing date: 2026-03-17 (timely filing)
• Shares withheld/disposed: 39,976 at $3.08 per share; total value $123,126
• Footnote: F1 — shares withheld to satisfy tax withholding on RSU vesting
• Shares owned after transaction: not disclosed in the provided filing

Context
Withholding shares to cover taxes on vested RSUs is a common administrative disposition and does not necessarily signal a decision to sell shares on the open market. This is different from a voluntary sale or purchase and is primarily a tax/payment mechanics event.