ICON plc CAO Emer Lyons Sells Shares to Cover Tax Obligations Upon RSU Vesting

Transaction Summary

On October 31, 2026, Emer Lyons, Chief Accounting Officer of ICON plc ($ICLR), vested 491 Restricted Share Units (RSUs) into Ordinary Shares. Subsequently, on November 2, 2026, Lyons sold a total of 264 Ordinary Shares in multiple tranches at weighted average prices ranging from $204.91 to $209.53, generating total proceeds of approximately $54,558.

Transaction Breakdown

• RSU Settlement (2026-10-31): 491 shares acquired via option/RSU exercise (Code M).
• Open Market Sales (2026-11-02):
  • 54 shares at $204.91
  • 76 shares at $206.15
  • 63 shares at $207.16
  • 67 shares at $208.00
  • 4 shares at $209.53
  • Total Sold: 264 shares at an average price of ~$206.66.
• Post-Transaction Holdings: 1,217 Ordinary Shares held directly, plus 492 unvested RSUs scheduled to vest on October 31, 2027.

Context & Trading Significance

According to footnote disclosure F3, the sales were executed pursuant to mandatory 'sell to cover' instructions to satisfy tax withholding obligations associated with the RSU vesting. This was not a discretionary market sale. The insider retained 227 net shares from the vesting event. Consequently, this transaction carries Low trading significance.