MCDONNELL PADRAIG 4

What Happened
Padraig McDonnell, President and CEO (also a director) of Agilent Technologies (A), surrendered 279 shares on 2026-02-27 to satisfy tax withholding on the vesting of restricted stock units. The shares were recorded at $121.38 each for a total value of about $33,865. This was a tax-withholding share surrender (code F), not an open-market sale or a purchase.

Key Details

• Transaction date and price: 2026-02-27 — 279 shares at $121.38 per share (total ≈ $33,865).
• Transaction type: Payment of tax liability via share surrender (SEC code F).
• Shares owned after transaction: Not specified in the Form 4 filing.
• Footnote: The reporting person surrendered 279 shares to Agilent to satisfy tax liability on RSU vesting in accordance with Rule 16b-3 (Footnote F1). Exhibit 24 (Power of Attorney) is referenced.
• Filing timeliness: Form filed 2026-03-03, within the standard two-business-day window (timely).

Context
Surrendering shares to cover taxes on vested restricted stock units is a routine, administrative transaction and is different from selling shares on the open market. It generally does not indicate a deliberate buy/sell signal about the insider’s view of the company. Rule 16b-3 provides the standard procedure allowing companies to withhold shares for tax obligations when RSUs vest.