Barry Edward Balfe - 18 Mar 2026 Form 3 Insider Report for ICON PLC (ICLR)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: ICLR
Reported as of: 18 Mar 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 18 Mar 2026, 16:34:40 UTC
Source filing: View source filing
Reporting owner signature: /s/ Erina Joan Fox, as Attorney-in-Fact

Key filing fact

Barry Edward Balfe filed Form 3 for ICON PLC (ICLR) on 18 Mar 2026.

Key facts

This page summarizes Barry Edward Balfe's Form 3 filing for ICON PLC (ICLR).
0 reported transactions and 12 derivative rows are listed below.
Accepted by SEC: 18 Mar 2026, 16:34.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002058614 Primary reporting owner

Balfe Barry Edward

Relationship: Chief Executive Officer, Director
Address: C/O ICON PLC, SOUTH COUNTY BUSINESS PARK, LEOPARDSTOWN, DUBLIN, IRELAND
Signature: /s/ Erina Joan Fox, as Attorney-in-Fact
Signature date: 18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ICLR holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,458
Date: 18 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ICLR holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 886
Exercise price: $159.33
Footnotes: F1

ICLR holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 28,986
Exercise price
Footnotes: F2, F3

ICLR holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 7,699
Exercise price
Footnotes: F3, F4

ICLR holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 4,480
Exercise price: $233.88
Footnotes: F5

ICLR holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 3,405
Exercise price: $231.68
Footnotes: F6

ICLR holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 3,047
Exercise price
Footnotes: F3, F7

ICLR holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 15,328
Exercise price: $185.18
Footnotes: F8

ICLR holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 2,131
Exercise price: $174.96
Footnotes: F1

ICLR holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 4,914
Exercise price: $325.51
Footnotes: F9

ICLR holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 728
Exercise price
Footnotes: F3, F10

ICLR holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 500
Exercise price
Footnotes: F3, F11

ICLR holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 1,664
Exercise price
Footnotes: F3, F12

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 12 footnotes

Footnote F1

Fully vested.

Footnote F2

These restricted share units were granted on October 31, 2025 and vest annually in three equal installments on the applicable anniversary of the grant date.

Footnote F3

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.

Footnote F4

These restricted share units were granted on May 22, 2025 and (i) 3,849 restricted share units will vest on March 6, 2027 and (ii) 3,850 restricted share units will vest on March 6, 2028.

Footnote F5

These stock options were granted on March 3, 2023. Of these options, 1,119 vested in 2025 and in 2026, 1,119 will vest in 2027 and 1,123 will vest in 2028, in each case on the applicable anniversary of the grant date.

Footnote F6

These stock options were granted on March 3, 2022. Of these options, 1,135 vested in 2025 and 2026 and 1,135 will vest in 2027, in each case on the applicable anniversary of the grant date.

Footnote F7

These restricted share units were granted on March 6, 2025 and (i) 1,523 restricted share units will vest on March 6, 2027 and (ii) 1,524 restricted share units will vest on March 6, 2028.

Footnote F8

These stock options were granted on March 6, 2025. Of these options, 3,832 vested in 2026 and 3,832 will vest in 2027, 2028 and 2029, in each case on the applicable anniversary of the grant date.

Footnote F9

These stock options were granted on March 3, 2024. Of these options, 1,228 vested in 2025 and 2026, 1,228 will vest in 2027 and 1,230 will vest in 2028, in each case on the applicable anniversary of the grant date.

Footnote F10

These restricted share units were granted on August 7, 2023 and 728 restricted share units will vest on August 7, 2026.

Footnote F11

These restricted share units were granted on March 3, 2024 and 500 restricted share units will vest on March 3, 2027.

Footnote F12

These restricted share units were granted on March 3, 2024 and will vest in full on March 3, 2027.

SEC 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.

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