Form 4 Tracker
ICON PLC
ICLR

18 insider filings · Latest: Sep 17, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 11, 2026Aug 11 9:00 PMNIGEL CLERKIN
Proposed Sale
2,267$164.29$372.5K—

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Aug 11, 2026Aug 11 8:58 PMCIARAN MURRAY
Proposed Sale
2,677$164.29$439.8K—

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Aug 10, 2026Aug 11 8:22 PMBarry Edward BalfeDirector, Chief Executive Officer
Sale
382$164.07$62.7K4,804(D)

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Aug 10, 2026Aug 10 8:02 PMBARRY EDWARD BALFE
Proposed Sale
382$164.07$62.7K—

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Mar 9, 2026Mar 9 9:14 PMBARRY EDWARD BALFE
Proposed Sale
2,862$105.13$300.9K—

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Mar 4, 2026Mar 4 9:07 PMBARRY EDWARD BALFE
Proposed Sale
566$109.25$61.8K—

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Nov 3, 2025Nov 3 9:23 PMNIGEL CLERKIN
Proposed Sale
1,473$169.24$249.3K—

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Oct 2, 2025Oct 2 8:03 PMSTEPHEN CUTLER
Proposed Sale
18,901$190.19$3.6M—

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Aug 8, 2025Aug 8 8:33 PMBARRY EDWARD BALFE
Proposed Sale
381$157.46$60.0K—

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Aug 8, 2025Aug 8 8:27 PMTHOMAS NOEL O'LEARY
Proposed Sale
1,136$157.46$178.9K—

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May 23, 2025May 23 8:38 PMRONAN MARTIN MURPHY
Proposed Sale
334$126.90$42.4K—

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May 23, 2025May 23 8:35 PMEUGENE PACELLI MCCAGUE
Proposed Sale
334$126.90$42.4K—

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May 23, 2025May 23 8:32 PMLINDA SUE GRAIS
Proposed Sale
334$126.90$42.4K—

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May 23, 2025May 23 8:27 PMJOHN CLIMAX
Proposed Sale
334$126.90$42.4K—

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May 23, 2025May 23 8:25 PMJULIE ANN ONEILL
Proposed Sale
363$126.90$46.1K—

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May 23, 2025May 23 8:23 PMCIARAN MURRAY
Proposed Sale
494$126.90$62.7K—

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May 19, 2025May 19 8:58 PMRONAN MARTIN MURPHY
Proposed Sale
1,539$130.04$200.1K—

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May 19, 2025May 19 8:30 PMJOHN CLIMAX
Proposed Sale
7,693$130.04$1.0M—

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May 6, 2025May 6 9:00 PMDr. John Climax
Proposed Sale
140,000$143.02$20.0M—

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Mar 17, 2025Mar 17 8:33 PMRONAN MARTIN MURPHY
Proposed Sale
1,540$187.07$288.1K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Aug 10, 2026Aug 12 8:45 PMKevin Francis EganDirector
Grant/Award
1,324—1,324(D)

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Aug 10, 2026Aug 11 8:27 PMJeffrey Thomas ElliottDirector
Grant/Award
1,324—1,324(D)

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Aug 10, 2026Aug 11 8:22 PMBarry Edward BalfeDirector, Chief Executive Officer
Grant/Award
54,893$166.0532,635(D)

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Aug 7, 2026Aug 11 8:22 PMBarry Edward BalfeDirector, Chief Executive Officer
Option Exercise
728—0(D)

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May 14, 2026May 15 12:39 PMRonan Martin MurphyDirector
Disposition
5,005$125.740(D)

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May 14, 2026May 15 12:39 PMRonan Martin MurphyDirector
Grant/Award
5,005$125.745,005(D)

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May 14, 2026May 15 12:38 PMCLIMAX JOHN DRDirector
Disposition
5,005$125.740(D)

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May 14, 2026May 15 12:38 PMCLIMAX JOHN DRDirector
Grant/Award
5,005$125.745,005(D)

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May 14, 2026May 15 12:38 PMEugene Pacelli MccagueDirector
Disposition
3,255$125.740(D)

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May 14, 2026May 15 12:38 PMEugene Pacelli MccagueDirector
Grant/Award
3,255$125.743,255(D)

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