How many Restricted Share Units does Julie O’Neill hold in ICON PLC (ICLR)?

She holds 1,732 Restricted Share Units, each representing a contingent right to receive one ICON PLC ordinary share upon vesting. These units were granted on May 22, 2025 and vest in full once the time and tax-withholding conditions are satisfied.

When do Julie O’Neill’s ICON PLC (ICLR) Restricted Share Units vest?

Her Restricted Share Units vest in full on the later of the first anniversary of the May 22, 2025 grant date and the date withholding taxes are paid. Only after both timing and tax conditions are met will the underlying ordinary shares be delivered.

ICON PLC director Julie O’Neill reports equity holdings

Q: How many ICON PLC (ICLR) ordinary shares does Julie O’Neill directly own?

She directly owns 2,698 ordinary shares of ICON PLC according to this Form 3. This figure reflects her reported direct shareholding separate from her 1,732 Restricted Share Units that may convert into additional ordinary shares upon vesting.

Q: How are Julie O’Neill’s ICON PLC (ICLR) RSUs settled at vesting?

Each Restricted Share Unit converts into one ICON PLC ordinary share when vested. A nominal conversion price equal to the ordinary share par value of EUR 0.06 per share is automatically deducted from her pay in connection with the vesting event.

ICON PLC director Julie O’Neill filed an initial Form 3 reporting her equity interests in the company.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

Rhea-AI Filing Summary

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.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider O'Neill Julie

Role Director

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

Holdings After Transaction: Restricted Share Units — 1,732 contracts (Direct); Ordinary Shares — 2,698 shares (Direct)

Footnotes (1)

F1. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does ICON PLC (ICLR) director Julie O’Neill report on this Form 3?

Julie O’Neill reports her initial ownership in ICON PLC, including 1,732 Restricted Share Units tied to ordinary shares and 2,698 ordinary shares held directly. This filing establishes her baseline equity position as a company director.

How many ICON PLC (ICLR) ordinary shares does Julie O’Neill directly own?

She directly owns 2,698 ordinary shares of ICON PLC according to this Form 3. This figure reflects her reported direct shareholding separate from her 1,732 Restricted Share Units that may convert into additional ordinary shares upon vesting.

How are Julie O’Neill’s ICON PLC (ICLR) RSUs settled at vesting?

Each Restricted Share Unit converts into one ICON PLC ordinary share when vested. A nominal conversion price equal to the ordinary share par value of EUR 0.06 per share is automatically deducted from her pay in connection with the vesting event.

Does Julie O’Neill’s ICON PLC (ICLR) Form 3 show any stock purchases or sales?

No specific purchases or sales are shown; the Form 3 reports holding entries for Restricted Share Units and ordinary shares. It establishes her initial ownership position rather than documenting new open-market or other transactional activity in ICON PLC stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/18/2026 - 03:32 PM EDT

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

O'Neill Julie

(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	2,698	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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Restricted Share Units	⁽¹⁾	⁽¹⁾	Ordinary Shares	1,732	⁽¹⁾	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.

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)

Source: View Original Filing on SEC EDGAR