Every Form 4 that Icon Plc (ICLR) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow ICLR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full ICLR filings page.
ICON plc director Anne Clem Whitaker reported equity compensation activity around vesting of restricted share units. On August 10, 2026, 1,732 restricted share units vested and were converted into the same number of ordinary shares, with a nominal conversion price of EUR 0.06 per share deducted from pay. She also received a new grant of 1,324 restricted share units scheduled to vest on May 22, 2027. On August 11, 2026, 841 ordinary shares were sold in multiple trades at weighted-average prices around $162.72–$165.51 solely to cover tax withholding obligations under a "sell to cover" arrangement, which the filing states did not represent a discretionary transaction.
ICON plc director Julie O’Neill reported equity award activity and related tax sales. On August 10, 2026, 1,732 restricted share units vested into 1,732 ordinary shares and 1,324 new restricted share units were granted, each RSU representing one ordinary share with a nominal conversion price equal to EUR 0.06 per share deducted from pay. On August 11, 2026, a total of 915 ordinary shares were sold in multiple transactions to cover tax withholding obligations via a "sell to cover" arrangement, which the company states does not represent discretionary transactions by the reporting person.
ICON plc director Ciaran Murray reported a vesting-related share transaction. On August 10, 2026, 2,677 previously granted restricted share units vested, each converting into one ordinary share at a nominal conversion price equal to the EUR 0.06 par value, deducted from his pay. On August 11, 2026, he sold all 2,677 vested ordinary shares in multiple open-market trades at weighted-average prices within ranges from $162.08 to $166.1599, including shares sold to cover tax withholding obligations. He also received a new award of 2,047 restricted share units on August 10, 2026, scheduled to vest on May 22, 2027.
ICON PLC director Ronan Martin Murphy reported multiple equity transactions. On August 10, 2026, 1,732 restricted share units vested, converting into the same number of ordinary shares, with a nominal EUR 0.06 per-share amount deducted from pay. He also received a new grant of 1,324 restricted share units scheduled to vest on May 22, 2027. On August 11, 2026, he sold 841 ordinary shares in several open-market trades at weighted-average prices around $162–$166, solely to cover tax withholding obligations in a non-discretionary "sell to cover" transaction.
ICON PLC director Eugene Pacelli McCague reported multiple equity transactions. On August 10, 2026, 1,732 restricted share units granted on May 22, 2025 vested, converting into 1,732 ordinary shares with a nominal conversion price equal to the EUR 0.06 par value per share deducted from pay. On the same date he received a new grant of 1,324 restricted share units scheduled to vest on May 22, 2027.
On August 11, 2026, he sold an aggregate of 841 ordinary shares in several tranches at weighted-average prices between $162.08 and $166.1599 per share. According to the footnotes, these sales were solely to cover tax withholding obligations via a “sell to cover” arrangement and did not represent discretionary trading decisions.
ICON PLC reported that Chief Accounting Officer Emer Lyons received a grant of 5,886 Restricted Share Units on August 10, 2026. Each RSU represents a contingent right to receive one ordinary share upon vesting, with a nominal conversion price equal to the ordinary share par value of EUR 0.06 per share automatically deducted from pay at vesting. The RSUs are scheduled to vest in three approximately equal installments on May 22, 2027, May 22, 2028, and May 22, 2029, and Lyons’ directly held RSU balance after this grant is 5,886 units.
ICON PLC director Linda Grais reported equity transactions involving ordinary shares and restricted share units. On August 10, 2026, 1,732 restricted share units vested and were converted into 1,732 ordinary shares. She also received a new award of 1,324 restricted share units, scheduled to vest on May 22, 2027. On August 11, 2026, she sold 841 ordinary shares in multiple open-market transactions at weighted average prices between $162.08 and $166.1599 to cover tax withholding obligations through a non-discretionary “sell to cover” arrangement.
ICON plc director Dr. John Climax reported several equity transactions in August 2026. On August 10, 1,732 restricted share units vested and converted into 1,732 ordinary shares, and he received a new grant of 1,324 restricted share units. On August 11, he sold 841 ordinary shares in multiple transactions at weighted-average prices within stated ranges between $162.08 and $166.1599. A footnote states these sales were executed solely to cover tax withholding obligations via a “sell to cover” transaction, and are not discretionary trades. Each restricted share unit converts into one ordinary share, with a nominal conversion price equal to the shares’ EUR 0.06 par value deducted from his pay on vesting.
ICON plc Chief Financial Officer Nigel Bernard John Clerkin reported multiple equity transactions. On August 10, 2026 he exercised 4,293 restricted share units into ordinary shares and received grants of 14,164 new restricted share units and 4,793 stock options with a $166.05 exercise price expiring in 2034. Each restricted share unit converts into one ordinary share at a nominal EUR 0.06 per-share amount deducted from pay. On August 11, 2026 he sold 2,267 ordinary shares in open-market transactions solely to cover tax withholding obligations under a "sell to cover" arrangement, which the company states was not a discretionary trade.
ICON PLC director Kevin Francis Egan received an equity award. He was granted 1,324 Restricted Share Units, each representing a contingent right to receive one ordinary share upon vesting. The units were granted on August 10, 2026 and are scheduled to vest on May 22, 2027. A nominal conversion price equal to the ordinary shares’ par value of EUR 0.06 per share will be automatically deducted from his pay at vesting. Following this grant, he directly holds 1,324 restricted share units.
ICON PLC director Jeffrey Thomas Elliott reported a grant of 1,324 Restricted Share Units, each representing one ordinary share upon vesting. The units were granted on August 10, 2026 and are scheduled to vest on May 22, 2027. A nominal conversion price equal to the ordinary share par value of EUR 0.06 per underlying share will be automatically deducted from his pay at vesting. Following this award, he holds 1,324 Restricted Share Units directly.
ICON PLC Chief Executive Officer Barry Edward Balfe reported multiple equity transactions. On 2026-08-10 he received a grant of 22,258 Restricted Share Units, each convertible into one ordinary share, scheduled to vest in three approximately equal installments on March 8 of 2027, 2028, and 2029. He also received 32,635 stock options for ordinary shares at an exercise price of $166.05 per share, vesting in four approximately equal installments on March 8 of 2027, 2028, 2029, and 2030, and expiring on 2034-08-10, subject to limited automatic extension. On 2026-08-07, 728 Restricted Share Units from an August 7, 2023 grant vested and were converted into 728 ordinary shares. On 2026-08-10 he sold a total of 382 ordinary shares at prices of $163.80 and $165.14 per share to cover tax withholding obligations in connection with RSU vesting, which the company notes did not represent a discretionary transaction.
ICON PLC director Ronan Martin Murphy reported administrative changes to his stock options. On May 14, 2026, he was credited with 5,005 stock options over Ordinary Shares at a conversion price of $125.74 per share, then recorded a matching 5,005-option disposition back to the issuer.
According to the footnotes, these entries reflect an extension of the options’ expiration date for a 30 trading day period under the Company Share Trading Policy, rather than a new economic grant or sale. The options are described as fully vested.
ICON PLC director John Climax reported administrative changes to stock options, with no net change in economic exposure. On May 14, 2026, he received a grant of 5,005 stock options over Ordinary Shares at an exercise price of $125.74 per share, then simultaneously disposed of 5,005 options back to the issuer. Footnotes state this reflects a 30 trading day extension of the options’ expiration date under the Company Share Trading Policy and that the options are fully vested.
ICON PLC director Eugene Pacelli McCague reported administrative changes to a stock option award, not an open‑market trade. He received a fully vested grant of 3,255 stock options for Ordinary Shares at an exercise price of $125.74 per share. On the same date, 3,255 existing options were disposed of back to the issuer, reflecting an extension of the options’ expiration date by a 30 trading day period under the Company Share Trading Policy. The transactions leave his economic exposure shaped by stock options rather than cash share sales or purchases.