Avantor (AVTR) Brittany Hankamer Shares Withheld for Taxes

What Happened
Brittany Hankamer, Avantor's Executive Vice President and Chief Human Resources Officer, had 181 shares withheld by the company to cover tax withholding obligations tied to the vesting of restricted stock units (RSUs). The filing shows the shares treated as a disposition at $13.66 per share, totaling approximately $2,472. This was a tax-withholding action on vested awards—not an open-market sale or purchase.

Key Details

• Transaction date: 2026-08-14; Form 4 filed: 2026-08-18 (filed within required reporting window).
• Reported disposition: 181 shares withheld at $13.66 per share; total value ≈ $2,472.
• Shares owned after the transaction: not specified in the filing.
• Footnote: F1 — these 181 shares were withheld by the issuer to cover tax withholding obligations in connection with RSU vesting.
• Transaction code: F (payment of exercise price or tax liability) — indicates withholding for taxes, not an open-market sale.

Context
Tax withholding on RSU vesting is routine and a common administrative disposition; it does not necessarily indicate the insider is reducing their investment position. For retail investors, purchases are generally more informative about insider sentiment than withholding or routine dispositions.