Welcome to our dedicated page for ICON plc SEC filings (Ticker: ICLR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
ICON plc filings document current-report disclosures for a foreign private issuer in the clinical research organization sector. Form 6-K reports furnish press releases and exhibits on operating results, financial guidance, earnings-call scheduling, conference presentations, shareholder voting matters, governance updates, and clinical or regulatory disclosures.
The filings also record accounting-practices and internal-control matters, including revenue-recognition disclosures, as well as XBRL financial information covering operating results, equity accounts and reporting-segment data. These documents frame ICON’s public-company reporting around clinical development services, capital structure, governance and risk-related material events.
ICON PLC director Anne Clem Whitaker reported her initial holdings in the company. The filing shows 1,732 restricted share units, each representing a right to receive one ordinary share.
The units were granted on May 22, 2025 and vest in full on the later of the first anniversary of that date and the date withholding taxes are paid. On vesting, one ordinary share is issued per unit, with a nominal conversion price equal to the shares’ EUR 0.06 par value automatically deducted from her pay.
ICON PLC director Julie O’Neill filed an initial Form 3 reporting her equity interests in the company. She holds 1,732 Restricted Share Units, each representing a contingent right to receive one ordinary share, and 2,698 ordinary shares directly. The RSUs were granted on May 22, 2025 and vest in full on the later of the first anniversary of the grant date and the date withholding taxes are paid. Upon vesting, one ordinary share is issued for each RSU, with the nominal EUR 0.06 par value per share automatically deducted from her pay.
ICON PLC director Eugene Pacelli McCague has filed an initial ownership report showing his equity stake in the company. He reports direct ownership of 2,920 Ordinary Shares, 1,732 Restricted Share Units (RSUs), and stock options over 3,255 Ordinary Shares with an exercise price of $125.74 per share expiring on May 18, 2026.
The RSUs were granted on May 22, 2025 and vest in full on the later of the first anniversary of the grant date and the date of payment of withholding taxes. Each RSU represents a right to receive one Ordinary Share, with a nominal conversion price equal to the par value of EUR 0.06 per underlying share deducted from his pay upon vesting. The stock options are disclosed as fully vested.
ICON plc director Ronan Martin Murphy filed an initial ownership report showing his equity interests in the company. He directly owns 2,956 Ordinary Shares, giving him a straightforward stake in ICON.
He also holds stock options over 5,005 Ordinary Shares with an exercise price of $125.74 per share that expire on May 18, 2026, which the filing notes are fully vested. In addition, he has 1,732 Restricted Share Units granted on May 22, 2025, each representing a contingent right to receive one Ordinary Share upon vesting. These RSUs vest on the later of the first anniversary of grant and the date withholding taxes are paid, with the nominal conversion price equal to the shares’ par value automatically deducted from his pay.
ICON PLC director Dr. John Climax filed an initial ownership report showing his existing equity position in the company. The filing lists fully vested stock options over 5,005 ordinary shares with an exercise price of $125.74 per share expiring on May 18, 2026, as well as 1,732 restricted share units that each convert into one ordinary share upon vesting, subject to tax withholding mechanics. It also shows 1,196 ordinary shares held directly and additional ordinary shares held indirectly through Poplar Limited and White Poplar Limited, where he is the majority shareholder but disclaims beneficial ownership except for his pecuniary interest. The document reflects holdings only and does not report any new purchases or sales.
ICON PLC director Ciaran Murray has filed an initial ownership report showing his current equity stake in the company. The filing lists direct ownership of 20,452 ordinary shares. It also reports 2,677 restricted share units, each representing a contingent right to receive one ordinary share upon vesting.
These restricted share units were granted on May 22, 2025 and vest in full on the later of the first anniversary of the grant date or the date withholding taxes are paid. Upon vesting, a nominal amount equal to the EUR 0.06 par value per underlying share will be deducted from his pay.
Barry Edward Balfe submitted a Form 144 notice relating to proposed sales of Common stock and the filing lists restricted stock units that vested under an S-8 plan. The filing shows 566 shares sold in the past three months on 03/04/2026 for $61,836.97. The document also lists RSUs that vested on 03/06/2026 totaling 812 and 2,050 shares under the issuer's S-8 registered plan, described as "Services Rendered."
Artisan Partners files an amended Schedule 13G reporting beneficial ownership of 8,361,303 Ordinary Shares, equal to 10.9% of the class. The filing states 79,359,932 shares outstanding as of 11/03/2025. It discloses that the shares are held by Artisan Partners Limited Partnership on behalf of discretionary clients, including 6,449,466 shares held for Artisan Partners Funds, Inc.
Issuer filed Form 144 reporting sale-related notices for vested restricted common stock. The filing lists two restricted stock vesting events on 03/03/2026 showing 306 and 260 shares associated with services rendered and designated as "Issuer" transactions. The notice records intent to sell under applicable registration rules.
Orbis Investment Management Ltd and Allan Gray Australia Pty Ltd report a combined 5.5% passive stake in ICON plc’s common stock as of 12/31/2025. They beneficially own 4,214,661 shares in total, with each firm holding sole voting and dispositive power over its respective shares.
Both institutions classify themselves as non-U.S. investment adviser equivalents and state the shares are held in the ordinary course of business, not to change or influence control of ICON plc or participate in any control-related transactions.