person · Reporting owner
Clerkin Nigel Bernard John
Disclosed activity across 1 company
Sign in to followReported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| ICON PLCICLR · Entity 3439 | Chief Financial Officer | August 10, 2026 | August 12, 2026 |
Disclosed balances
About these balances
Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.
ICON PLC
Report date August 10, 2026 · Filed August 12, 2026
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Ordinary SharesSEC Table I · non-derivative | Direct | 5,881 |
Ending reported balance
After 2026-08-11 transaction · row 6
6 source rows · reconciled sequenceRow 1 · 2026-08-10 · Exercise / conversion · Acquired 918 · Balance 4,773 F1: These restricted share units were granted on March 6, 2025 and (i) 918 restricted share units vested on August 10, 2026, (ii) 918 restricted share units will vest on March 6, 2027, and (iii) 919 restricted share units will vest on March 6, 2028. 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. Row 2 · 2026-08-10 · Exercise / conversion · Acquired 3,375 · Balance 8,148 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. F3: These restricted share units were granted on May 22, 2025 and (i) 3,375 restricted share units vested on August 10, 2026, (ii) 3,375 restricted share units will vest on March 6, 2027, and (iii) 3,377 restricted share units will vest on March 6, 2028. Row 3 · 2026-08-11 · Sale · Disposed 237 · Balance 7,911 F4: 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. 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 $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. Row 4 · 2026-08-11 · Sale · Disposed 259 · Balance 7,652 F4: 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. 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 $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. Row 5 · 2026-08-11 · Sale · Disposed 1,591 · Balance 6,061 F4: 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. 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 $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. Row 6 · 2026-08-11 · Sale · Disposed 180 · Balance 5,881 F4: 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. F8: 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. |
| Restricted Share UnitsSEC Table II · derivative / convertible security | Direct | 1,837 |
Reported balance
After 2026-08-10 transaction · row 7
Instrument identity requires review; Table II rows are not merged.
1 source rowRow 7 · 2026-08-10 · Exercise / conversion · Disposed 918 · Balance 1,837 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. F1: These restricted share units were granted on March 6, 2025 and (i) 918 restricted share units vested on August 10, 2026, (ii) 918 restricted share units will vest on March 6, 2027, and (iii) 919 restricted share units will vest on March 6, 2028. |
| Restricted Share UnitsSEC Table II · derivative / convertible security | Direct | 6,752 |
Reported balance
After 2026-08-10 transaction · row 8
Instrument identity requires review; Table II rows are not merged.
1 source rowRow 8 · 2026-08-10 · Exercise / conversion · Disposed 3,375 · Balance 6,752 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. F3: These restricted share units were granted on May 22, 2025 and (i) 3,375 restricted share units vested on August 10, 2026, (ii) 3,375 restricted share units will vest on March 6, 2027, and (iii) 3,377 restricted share units will vest on March 6, 2028. |
| Restricted Share UnitsSEC Table II · derivative / convertible security | Direct | 14,164 |
Reported balance
After 2026-08-10 transaction · row 9
Instrument identity requires review; Table II rows are not merged.
1 source rowRow 9 · 2026-08-10 · Grant · Acquired 14,164 · Balance 14,164 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. F9: These restricted share units were granted on August 10, 2026 and are scheduled to vest in three approximately equal installments on March 8, 2027, March 8, 2028, and March 8, 2029. |
| Stock OptionsSEC Table II · derivative / convertible security · Conversion / exercise price $166.05 · Expires 2034-08-10 | Direct | 4,793 |
Reported balance
After 2026-08-10 transaction · row 10
Instrument identity requires review; Table II rows are not merged.
1 source rowRow 10 · 2026-08-10 · Grant · Acquired 4,793 · Balance 4,793 F10: These stock options were granted on August 10, 2026 and are scheduled to vest in four approximately equal installments on March 8, 2027, March 8, 2028, March 8, 2029, and March 8, 2030. F11: The stock options expire on the eighth anniversary of the grant date, subject to automatic extension until the 30th trading day following any period during which trading is prohibited under the Issuer's Share Trading Policy or applicable law, but in no event later than the tenth anniversary of the grant date. |
Filing footnotes · ownership attribution and instrument terms
F1: These restricted share units were granted on March 6, 2025 and (i) 918 restricted share units vested on August 10, 2026, (ii) 918 restricted share units will vest on March 6, 2027, and (iii) 919 restricted share units will vest on March 6, 2028.
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.
F3: These restricted share units were granted on May 22, 2025 and (i) 3,375 restricted share units vested on August 10, 2026, (ii) 3,375 restricted share units will vest on March 6, 2027, and (iii) 3,377 restricted share units will vest on March 6, 2028.
F4: 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.
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 $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.
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 $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.
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 $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.
F8: 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.
F9: These restricted share units were granted on August 10, 2026 and are scheduled to vest in three approximately equal installments on March 8, 2027, March 8, 2028, and March 8, 2029.
F10: These stock options were granted on August 10, 2026 and are scheduled to vest in four approximately equal installments on March 8, 2027, March 8, 2028, March 8, 2029, and March 8, 2030.
F11: The stock options expire on the eighth anniversary of the grant date, subject to automatic extension until the 30th trading day following any period during which trading is prohibited under the Issuer's Share Trading Policy or applicable law, but in no event later than the tenth anniversary of the grant date.
Transaction history
JSON APIPurchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Company | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| August 11, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | SaleOrdinary Shares | 180 | $165.51 | $29,791.80 |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · nonDerivative · entry 6 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,881 F4 · kind: 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. F8 · price: 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. Read SEC document |
| August 11, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | SaleOrdinary Shares | 1,591 | $164.47 | $261,671.77 |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · nonDerivative · entry 5 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,061 F4 · kind: 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. F7 · price: 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. Read SEC document |
| August 11, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | SaleOrdinary Shares | 259 | $163.77 | $42,416.43 |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · nonDerivative · entry 4 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,652 F4 · kind: 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. F6 · price: 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. Read SEC document |
| August 11, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | SaleOrdinary Shares | 237 | $162.72 | $38,564.64 |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · nonDerivative · entry 3 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,911 F4 · kind: 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. F5 · price: 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. Read SEC document |
| August 10, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | GrantStock Options · Derivative | 4,793 | $0.00 Strike: $166.05 | $0.00 |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · derivative · entry 10 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,793 Underlying: Ordinary Shares · 4,793 shares Expires 2034-08-10 F10 · derivative.exercise_date: These stock options were granted on August 10, 2026 and are scheduled to vest in four approximately equal installments on March 8, 2027, March 8, 2028, March 8, 2029, and March 8, 2030. F11 · derivative.expiration_date: The stock options expire on the eighth anniversary of the grant date, subject to automatic extension until the 30th trading day following any period during which trading is prohibited under the Issuer's Share Trading Policy or applicable law, but in no event later than the tenth anniversary of the grant date. Read SEC document |
| August 10, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | GrantRestricted Share Units · Derivative | 14,164 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · derivative · entry 9 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,164 Underlying: Ordinary Shares · 14,164 shares Expires not disclosed F2 · derivative.exercise_price: 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. F9 · derivative.exercise_date: These restricted share units were granted on August 10, 2026 and are scheduled to vest in three approximately equal installments on March 8, 2027, March 8, 2028, and March 8, 2029. F9 · derivative.expiration_date: These restricted share units were granted on August 10, 2026 and are scheduled to vest in three approximately equal installments on March 8, 2027, March 8, 2028, and March 8, 2029. Read SEC document |
| August 10, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | Exercise / conversionRestricted Share Units · Derivative | 3,375 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · derivative · entry 8 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,752 Underlying: Ordinary Shares · 3,375 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: 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. F3 · derivative.exercise_date: These restricted share units were granted on May 22, 2025 and (i) 3,375 restricted share units vested on August 10, 2026, (ii) 3,375 restricted share units will vest on March 6, 2027, and (iii) 3,377 restricted share units will vest on March 6, 2028. F3 · derivative.expiration_date: These restricted share units were granted on May 22, 2025 and (i) 3,375 restricted share units vested on August 10, 2026, (ii) 3,375 restricted share units will vest on March 6, 2027, and (iii) 3,377 restricted share units will vest on March 6, 2028. Read SEC document |
| August 10, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | Exercise / conversionRestricted Share Units · Derivative | 918 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · derivative · entry 7 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,837 Underlying: Ordinary Shares · 918 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: 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. F1 · derivative.exercise_date: These restricted share units were granted on March 6, 2025 and (i) 918 restricted share units vested on August 10, 2026, (ii) 918 restricted share units will vest on March 6, 2027, and (iii) 919 restricted share units will vest on March 6, 2028. F1 · derivative.expiration_date: These restricted share units were granted on March 6, 2025 and (i) 918 restricted share units vested on August 10, 2026, (ii) 918 restricted share units will vest on March 6, 2027, and (iii) 919 restricted share units will vest on March 6, 2028. Read SEC document |
| August 10, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | Exercise / conversionOrdinary Shares | 3,375 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · nonDerivative · entry 2 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,148 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · price: 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. F3 · price: These restricted share units were granted on May 22, 2025 and (i) 3,375 restricted share units vested on August 10, 2026, (ii) 3,375 restricted share units will vest on March 6, 2027, and (iii) 3,377 restricted share units will vest on March 6, 2028. Read SEC document |
| August 10, 2026 Filed Aug 12, 2026 20:46 UTC | ICON PLC ICLR · Entity 3439 | Exercise / conversionOrdinary Shares | 918 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001628280-26-056296 · wk-form4_1786567584.xml · nonDerivative · entry 1 Clerkin Nigel Bernard John · CIK 0002085465 · Chief Financial Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,773 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · price: These restricted share units were granted on March 6, 2025 and (i) 918 restricted share units vested on August 10, 2026, (ii) 918 restricted share units will vest on March 6, 2027, and (iii) 919 restricted share units will vest on March 6, 2028. F2 · price: 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. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.