ICON PLC (ICLR) director details shares, RSUs and option holdings

Rhea-AI Filing Summary

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.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider McCague Eugene Pacelli

Role Director

Type	Security	Shares	Price	Value
holding	Restricted Share Units	--	--	--
holding	Stock Options	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Restricted Share Units — 1,732 shares (Direct); Stock Options — 3,255 shares (Direct); Ordinary Shares — 2,920 shares (Direct)

Footnotes (1)

1. These restricted share units were granted on May 22, 2025 and vest in full on, where applicable, the later of (i) the first anniversary of the grant date and (ii) the date of payment of withholding taxes. Each restricted share unit represents a contingent right to receive one ordinary share of the Issuer upon vesting, with a nominal conversion price equal to the par value of the ordinary shares (EUR 0.06) per underlying share automatically deducted from the reporting person's pay in connection with vesting. Fully vested.

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

McCague Eugene Pacelli

(Last) (First) (Middle)

C/O ICON PLC

SOUTH COUNTY BUSINESS PARK, LEOPARDSTOWN

(Street)

DUBLIN D18 X5R3

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
ICON PLC [ ICLR ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	2,920	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	(1)	(1)	Ordinary Shares	1,732	(1)	D
Stock Options	(2)	05/18/2026	Ordinary Shares	3,255	$125.74	D

Explanation of Responses:

1. These restricted share units were granted on May 22, 2025 and vest in full on, where applicable, the later of (i) the first anniversary of the grant date and (ii) the date of payment of withholding taxes. Each restricted share unit represents a contingent right to receive one ordinary share of the Issuer upon vesting, with a nominal conversion price equal to the par value of the ordinary shares (EUR 0.06) per underlying share automatically deducted from the reporting person's pay in connection with vesting.

2. Fully vested.

Remarks:

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Securities Exchange Act of 1934 (the "Act"), the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. Exhibit 24 - Power of Attorney.

	/s/ Erina Joan Fox, as Attorney-in-Fact	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Form 3 filing show for ICON PLC (ICLR) director Eugene Pacelli McCague?

The filing shows McCague’s initial equity stake in ICON PLC, including Ordinary Shares, Restricted Share Units, and stock options. It establishes his starting ownership position as a director without indicating any recent share purchases or sales.

How many ICON PLC (ICLR) Ordinary Shares does Eugene Pacelli McCague own?

McCague reports direct ownership of 2,920 Ordinary Shares of ICON PLC. This figure reflects his beneficial holdings in the company’s common equity as of the Form 3 filing date, separate from any Restricted Share Units or stock options he also holds.

What Restricted Share Units does Eugene Pacelli McCague hold in ICON PLC (ICLR)?

He holds 1,732 Restricted Share Units, each representing a contingent right to receive one Ordinary Share. These RSUs were granted on May 22, 2025 and vest in full once both the one-year anniversary and withholding tax payment conditions are met.

What stock options are reported by Eugene Pacelli McCague in ICON PLC (ICLR)?

McCague reports stock options over 3,255 Ordinary Shares with an exercise price of $125.74 per share. The options are described as fully vested and carry an expiration date of May 18, 2026, defining the period during which they can be exercised.

How do Eugene Pacelli McCague’s RSUs in ICON PLC (ICLR) vest and convert?

The RSUs vest on the later of one year after the May 22, 2025 grant date and payment of withholding taxes. Upon vesting, each RSU converts into one Ordinary Share, with a nominal EUR 0.06 per share deducted from his pay as the conversion price.

Does the ICON PLC (ICLR) Form 3 indicate recent insider buying or selling by Eugene Pacelli McCague?

The Form 3 presents McCague’s existing holdings rather than new transactions. It lists his Ordinary Shares, RSUs, and fully vested stock options as of the reporting date, without recording any explicit open-market purchases or sales in this disclosure.