STOCK TITAN

ICON plc (ICLR) director’s RSU vesting triggers tax-related share sales

(Moderate)
(Negative)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Insider O'Neill Julie
Role Director
Sold 915 shs ($150K)
Approx. gross sale proceeds $150K
Type Security Shares Price Value
Sale Ordinary Shares F3, F4 95 $162.72 $15K
Sale Ordinary Shares F3, F5 105 $163.77 $17K
Sale Ordinary Shares F3, F6 642 $164.47 $106K
Sale Ordinary Shares F3, F7 73 $165.51 $12K
Exercise Restricted Share Units F2, F1 1,732 $0.00 $0.00
Grant/Award Restricted Share Units F2, F8 1,324 $0.00 $0.00
Exercise Ordinary Shares F1, F2 1,732 -- --
Holdings After Transaction: Restricted Share Units — 1,324 shares (Direct); Ordinary Shares — 3,515 shares (Direct)
Footnotes (8)
  1. F1. These restricted share units were granted on May 22, 2025 and vested on August 10, 2026.
  2. F2. 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.
  3. F3. The sale reported represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted share units. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.
  4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $162.08 to $163.0799, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.
  5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $163.15 to $164.1499, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.
  6. F6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $164.16 to $165.1599, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.
  7. F7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $165.16 to $166.1599, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.
  8. F8. These restricted share units were granted on August 10, 2026 and are scheduled to vest on May 22, 2027.
Shares sold for tax withholding 915 ordinary shares Total shares sold on August 11, 2026 via sell-to-cover transactions
Sale prices $162.72, $163.77, $164.47, $165.51 per share Weighted average prices for four sale tranches on August 11, 2026
RSUs vested 1,732 restricted share units RSUs granted May 22, 2025 that vested on August 10, 2026
New RSUs granted 1,324 restricted share units RSUs granted on August 10, 2026, scheduled to vest May 22, 2027
Nominal RSU conversion price EUR 0.06 per underlying share Amount automatically deducted from pay when RSUs vest into ordinary shares
foreign private issuer regulatory
"Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b)"
A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.
restricted share units financial
"These restricted share units were granted on May 22, 2025 and vested on August 10, 2026."
Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.
sell to cover financial
"to be funded by a "sell to cover" transaction and does not represent a discretionary transaction"
Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

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

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FAQ

What insider transactions did ICON PLC (ICLR) report for Julie O’Neill?

Julie O’Neill reported RSU vesting, a new RSU grant, and tax-related share sales. On August 10, 2026, 1,732 RSUs vested and 1,324 RSUs were granted; on August 11, 915 shares were sold to cover tax withholding.

How many ICON PLC (ICLR) shares were sold in this Form 4 and at what prices?

The filing reports 915 ordinary shares sold in four tranches: 95 at $162.72, 105 at $163.77, 642 at $164.47, and 73 at $165.51, each described as weighted average prices over stated intra-day ranges.

Were the ICON PLC (ICLR) share sales by Julie O’Neill discretionary?

The company states the sales were made to cover tax withholding obligations from RSU vesting under a "sell to cover" arrangement and "do not represent a discretionary transaction" by the reporting person, according to the footnote disclosure.

What RSU activity involving ICON PLC (ICLR) was disclosed for Julie O’Neill?

The filing shows 1,732 restricted share units vested on August 10, 2026, converting into ordinary shares, and 1,324 new RSUs granted the same day, scheduled to vest on May 22, 2027, each RSU representing one ordinary share upon vesting.

What does the EUR 0.06 nominal conversion price mean for ICON PLC (ICLR) RSUs?

Each RSU represents a right to receive one ordinary share at a nominal conversion price of EUR 0.06 per underlying share, which is automatically deducted from the reporting person’s pay in connection with vesting, according to the footnote description.

Why are ICON PLC (ICLR) insider transactions exempt from certain Exchange Act sections?

The remarks state ICON plc is a foreign private issuer under Rule 3a12-3(b). As a result, the reporting person’s transactions in the issuer’s equity securities are described as exempt from Sections 16(b) and 16(c) of the Securities Exchange Act of 1934.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
O'Neill Julie

(Last)(First)(Middle)
C/O ICON PLC
SOUTH COUNTY BUSINESS PARK, LEOPARDSTOWN

(Street)
DUBLIND18 X5R3

(City)(State)(Zip)

IRELAND

(Country)
2. Issuer Name and Ticker or Trading Symbol
ICON PLC [ ICLR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/10/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Ordinary Shares08/10/2026M1,732A(1)(2)4,430D
Ordinary Shares08/11/2026S(3)95D$162.72(4)4,335D
Ordinary Shares08/11/2026S(3)105D$163.77(5)4,230D
Ordinary Shares08/11/2026S(3)642D$164.47(6)3,588D
Ordinary Shares08/11/2026S(3)73D$165.51(7)3,515D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Share Units(2)08/10/2026M1,732 (1) (1)Ordinary Shares1,732$00D
Restricted Share Units(2)08/10/2026A1,324 (8) (8)Ordinary Shares(8)1,324$01,324D
Explanation of Responses:
1. These restricted share units were granted on May 22, 2025 and vested on August 10, 2026.
2. 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.
3. The sale reported represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted share units. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $162.08 to $163.0799, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $163.15 to $164.1499, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.
6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $164.16 to $165.1599, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.
7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple aggregated transactions at prices within the range of $165.16 to $166.1599, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.
8. These restricted share units were granted on August 10, 2026 and are scheduled to vest on May 22, 2027.
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.
/s/ Erina Joan Fox, as Attorney-in-Fact08/12/2026
** Signature of Reporting PersonDate
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 4 (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 4: SEC 1474 (03-26)