Mummert Mark Richard 4

What Happened
Mark Richard Mummert, Chief Supply Chain Officer at Albemarle (ALB), had 375 shares withheld/disposed to satisfy tax liabilities related to vested restricted stock units. The shares were valued at $186.83 each, for a total of approximately $70,061. This was a tax-withholding transaction (code F), not an open-market sale or new purchase.

Key Details

• Transaction date: 2026-02-24; Filing date (Form 4): 2026-02-26 (Accession: 0002014946-26-000002). Filing appears timely (Form 4 is generally due within two business days).
• Price: $186.83 per share; Shares involved: 375; Aggregate value: ~$70,061.
• Shares owned after transaction: Not specified in the provided excerpt—see the full Form 4 for updated holdings.
• Footnote: F1 — Shares withheld to meet tax liabilities associated with vesting of Restricted Stock Units granted on 2/24/2023.
• Transaction code meaning: F indicates payment of exercise price or tax liability via share withholding (routine administrative withholding).

Context: This is a routine tax-withholding event tied to RSU vesting (a common practice where the company retains shares to cover tax obligations). It does not represent an open-market sale signal and should not be interpreted on its own as insider sentiment about the stock.