James Bradley A 4

What Happened

• James Bradley, Group Vice President at Exponent (EXPO), had 4,664 vested restricted stock units (RSUs) convert into 4,664 shares of common stock on March 11, 2026.
• To satisfy tax withholding, 1,559 of those shares were withheld by the company at a valuation of $70.03 per share, representing $109,177. Net new shares retained by Bradley from the vesting event = 3,105 shares.
• This was not an open-market sale or purchase but a routine vesting/conversion of equity award with standard tax withholding.

Key Details

• Transaction date: March 11, 2026; Form 4 filed March 13, 2026 (filed within the normal reporting window).
• Conversion/derivative code: M (exercise/conversion of derivative — here, conversion of vested RSUs). Withholding code: F (payment of tax liability via share withholding).
• Withheld shares: 1,559 shares disposed to cover taxes at $70.03/share = $109,177.
• Shares owned after the transaction: Not reported in the provided data.
• Footnotes: F1 notes these were vested RSUs granted March 11, 2022 and converted 1:1 to common stock. F3 confirms shares were withheld to satisfy tax withholding obligations. F2 is not applicable.

Context

• This is a typical RSU vesting event rather than a market buy or sale; withholding of shares for taxes is routine and does not by itself indicate an insider buying or selling to express a market view.
• For clarity: the filings show a conversion of RSUs (derivative conversion) and the company’s withholding of a portion of shares to cover taxes (a non-market disposal).