ICON PLC (ICLR)

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ICON PLC insiders have exclusively engaged in proposed sales over the past year. The most recent transactions occurred on March 9, 2026, involving officer Barry Edward Balfe. These divestments represent the entirety of recorded activity, with no buying observed during this period. All reported movements date back more than three months.

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Ticker: ICLR Exchange: NSM

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings

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0 activity signals detected for ICON PLC

No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

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Trades

Proposed sale 9 Mar 2026

Value US$4,512,106.23 | Price 358.46 | Shares 64,679

Proposed sale 4 Mar 2026

Value US$3,747,671.17 | Price 189.97 | Shares 22,712

Proposed sale 3 Nov 2025

Value US$249,289.34 | Price 169.24 | Shares 1,473

Proposed sale 2 Oct 2025

Value US$3,594,781.19 | Price 190.19 | Shares 18,901

Proposed sale 8 Aug 2025

Value US$59,992.98 | Price 157.46 | Shares 381

Proposed sale 8 Aug 2025

Value US$178,876.72 | Price 157.46 | Shares 1,136

Proposed sale 23 May 2025

Value US$42,384.43 | Price 126.90 | Shares 334

Proposed sale 23 May 2025

Value US$42,384.43 | Price 126.90 | Shares 334

Proposed sale 23 May 2025

Value US$42,384.43 | Price 126.90 | Shares 334

Proposed sale 23 May 2025

Value US$42,384.43 | Price 126.90 | Shares 334

Proposed sale 23 May 2025

Value US$46,064.52 | Price 126.90 | Shares 363

Proposed sale 23 May 2025

Value US$62,688.35 | Price 126.90 | Shares 494

Proposed sale 19 May 2025

Value US$200,131.10 | Price 130.04 | Shares 1,539

Proposed sale 19 May 2025

Value US$1,000,421.57 | Price 130.04 | Shares 7,693

Proposed sale 6 May 2025

Value US$20,022,800.00 | Price 143.02 | Shares 140,000

Proposed sale 17 Mar 2025

Value US$288,082.10 | Price 187.07 | Shares 1,540

Proposed sale 4 Mar 2025

Value US$145,214.28 | Price 182.43 | Shares 796

Proposed sale 4 Mar 2025

Value US$216,179.55 | Price 182.43 | Shares 1,185

Proposed sale 4 Mar 2025

Value US$221,834.88 | Price 182.43 | Shares 1,216

Proposed sale 4 Mar 2025

Value US$1,002,635.28 | Price 182.43 | Shares 5,496

Proposed sale 5 Dec 2024

Value US$3,753,750.00 | Price 214.50 | Shares 17,500

Proposed sale 26 Aug 2024

Value US$3,794,379.53 | Price 320.82 | Shares 11,827

Proposed sale 30 Jul 2024

Value US$1,972,303.84 | Price 330.42 | Shares 5,969

Proposed sale 29 Jul 2024

Value US$8,496,637.24 | Price 325.99 | Shares 26,064

Proposed sale 29 Jul 2024

Value US$2,062,668.84 | Price 324.32 | Shares 6,360

Proposed sale 5 Jun 2024

Value US$1,523,793.92 | Price 225.28 | Shares 6,764

Proposed sale 5 Jun 2024

Value US$1,604,533.00 | Price 329.00 | Shares 4,877

Proposed sale 3 Jun 2024

Value US$109,310.50 | Price 326.30 | Shares 335

Proposed sale 23 May 2024

Value US$143,074.52 | Price 317.24 | Shares 451

Proposed sale 23 May 2024

Value US$231,877.84 | Price 316.77 | Shares 732

Proposed sale 23 May 2024

Value US$155,011.56 | Price 318.30 | Shares 487

Proposed sale 23 May 2024

Value US$155,230.73 | Price 316.80 | Shares 490

Proposed sale 23 May 2024

Value US$143,333.55 | Price 318.52 | Shares 450

Proposed sale 23 May 2024

Value US$155,045.26 | Price 318.37 | Shares 487

Proposed sale 23 May 2024

Value US$143,556.75 | Price 319.02 | Shares 450

Proposed sale 15 May 2024

Value US$3,392,387.44 | Price 321.34 | Shares 10,557

Proposed sale 10 May 2024

Value US$2,509,319.24 | Price 316.43 | Shares 7,930

Proposed sale 18 Mar 2024

Value US$582,084.48 | Price 332.62 | Shares 1,750

Proposed sale 13 Mar 2024

Value US$166,408.00 | Price 341.00 | Shares 488

Proposed sale 8 Mar 2024

Value US$68,298.00 | Price 341.49 | Shares 200

Proposed sale 6 Mar 2024

Value US$5,188,132.13 | Price 335.98 | Shares 15,442

Proposed sale 4 Mar 2024

Value US$263,002.46 | Price 321.52 | Shares 818

Proposed sale 4 Mar 2024

Value US$510,594.30 | Price 322.75 | Shares 1,582

Proposed sale 4 Mar 2024

Value US$1,935,996.03 | Price 322.29 | Shares 6,007

Proposed sale 4 Mar 2024

Value US$365,415.41 | Price 321.95 | Shares 1,135

Proposed sale 4 Mar 2024

Value US$77,705.16 | Price 321.10 | Shares 242

Proposed sale 26 Feb 2024

Value US$2,220,929.06 | Price 316.33 | Shares 7,021

Proposed sale 26 Feb 2024

Value US$1,091,189.62 | Price 317.11 | Shares 3,441

Proposed sale 13 Dec 2023

Value US$13,516,800.00 | Price 225.28 | Shares 60,000

Proposed sale 21 Nov 2023

Value US$5,018,732.87 | Price 271.03 | Shares 18,517

Proposed sale 21 Nov 2023

Value US$423,381.41 | Price 275.28 | Shares 1,538

Proposed sale 16 Nov 2023

Value US$8,088,749.96 | Price 267.79 | Shares 30,206

Proposed sale 7 Nov 2023

Value US$272,823.29 | Price 260.08 | Shares 1,049

Proposed sale 15 Sep 2023

Value US$663,396.00 | Price 265.36 | Shares 2,500

Proposed sale 14 Sep 2023

Value US$3,583,971.90 | Price 265.48 | Shares 13,500

Proposed sale 25 Aug 2023

Value US$1,263,075.00 | Price 252.62 | Shares 5,000

Proposed sale 8 Aug 2023

Value US$2,656,726.73 | Price 255.21 | Shares 10,410

Proposed sale 4 Aug 2023

Value US$127,880.35 | Price 255.25 | Shares 501

Proposed sale 1 Aug 2023

Value US$1,734,347.05 | Price 248.90 | Shares 6,968

Proposed sale 31 Jul 2023

Value US$990,993.64 | Price 252.55 | Shares 3,924

Proposed sale 31 Jul 2023

Value US$1,306,776.73 | Price 251.21 | Shares 5,202

Proposed sale 14 Jun 2023

Value US$102,828.88 | Price 233.70 | Shares 440

Proposed sale 9 Jun 2023

Value US$4,436,035.90 | Price 222.97 | Shares 19,895

Proposed sale 2 Jun 2023

Value US$99,991.73 | Price 216.90 | Shares 461

Proposed sale 22 May 2023

Value US$103,275.92 | Price 213.38 | Shares 484

Proposed sale 22 May 2023

Value US$103,264.35 | Price 213.36 | Shares 484

Proposed sale 22 May 2023

Value US$154,663.38 | Price 213.33 | Shares 725

Proposed sale 22 May 2023

Value US$103,265.27 | Price 213.36 | Shares 484

Proposed sale 22 May 2023

Value US$103,275.92 | Price 213.38 | Shares 484

Proposed sale 22 May 2023

Value US$103,275.92 | Price 213.38 | Shares 484

Proposed sale 22 May 2023

Value US$95,395.07 | Price 213.41 | Shares 447

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-03-09	2026-03-09	PrS Proposed sale	BARRY EDWARD BALFE Officer Officer	64,679 358.46 US$4,512,106	64,679	358.46	US$4,512,106
2026-03-04	2026-03-04	PrS Proposed sale	BARRY EDWARD BALFE Officer Officer	22,712 189.97 US$3,747,671	22,712	189.97	US$3,747,671
2025-11-03	2025-11-03	PrS Proposed sale	NIGEL CLERKIN Officer Officer	72,467 36.37 US$4,743,704	72,467	36.37	US$4,743,704
2025-10-02	2025-10-02	PrS Proposed sale	STEPHEN CUTLER Officer Officer	18,901 190.19 US$3,594,781	18,901	190.19	US$3,594,781
2025-08-08	2025-08-08	PrS Proposed sale	BARRY EDWARD BALFE Officer Officer	381 157.46 US$59,993	381	157.46	US$59,993
2025-08-08	2025-08-08	PrS Proposed sale	THOMAS NOEL O'LEARY Officer Officer	1,136 157.46 US$178,877	1,136	157.46	US$178,877
2025-05-23	2025-05-23	PrS Proposed sale	RONAN MARTIN MURPHY Officer Officer	334 126.90 US$42,384	334	126.90	US$42,384
2025-05-23	2025-05-23	PrS Proposed sale	EUGENE PACELLI MCCAGUE Officer Officer	334 126.90 US$42,384	334	126.90	US$42,384
2025-05-23	2025-05-23	PrS Proposed sale	1.6 LINDA SUE GRAIS Officer Officer	334 126.90 US$42,384	334	126.90	US$42,384
2025-05-23	2025-05-23	PrS Proposed sale	JOHN CLIMAX Officer Officer	334 126.90 US$42,384	334	126.90	US$42,384
2025-05-23	2025-05-23	PrS Proposed sale	JULIE ANN ONEILL Officer Officer	363 126.90 US$46,065	363	126.90	US$46,065
2025-05-23	2025-05-23	PrS Proposed sale	CIARAN MURRAY Officer Officer	494 126.90 US$62,688	494	126.90	US$62,688
2025-05-19	2025-05-19	PrS Proposed sale	RONAN MARTIN MURPHY Officer Officer	1,539 130.04 US$200,131	1,539	130.04	US$200,131
2025-05-19	2025-05-19	PrS Proposed sale	JOHN CLIMAX Officer Officer	7,693 130.04 US$1,000,422	7,693	130.04	US$1,000,422
2025-05-06	2025-05-06	PrS Proposed sale	Dr. John Climax Director Non-Executive Director	140,000 143.02 US$20,022,800	140,000	143.02	US$20,022,800
2025-03-17	2025-03-17	PrS Proposed sale	RONAN MARTIN MURPHY Officer Officer	1,540 187.07 US$288,082	1,540	187.07	US$288,082
2025-03-04	2025-03-04	PrS Proposed sale	THOMAS NOEL O LEARY Officer Officer	796 182.43 US$145,214	796	182.43	US$145,214
2025-03-04	2025-03-04	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	1,185 182.43 US$216,180	1,185	182.43	US$216,180
2025-03-04	2025-03-04	PrS Proposed sale	BARRY EDWARD BALFE Officer Officer	1,216 182.43 US$221,835	1,216	182.43	US$221,835
2025-03-04	2025-03-04	PrS Proposed sale	STEPHEN CUTLER Officer Officer	5,496 182.43 US$1,002,635	5,496	182.43	US$1,002,635
2024-12-05	2024-12-05	PrS Proposed sale	Poplar Limited DNE Director Non-Executive Director	17,500 214.50 US$3,753,750	17,500	214.50	US$3,753,750
2024-08-26	2024-08-26	PrS Proposed sale	UTE BERGER Officer Officer	11,827 320.82 US$3,794,380	11,827	320.82	US$3,794,380
2024-07-30	2024-07-30	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	5,969 330.42 US$1,972,304	5,969	330.42	US$1,972,304
2024-07-29	2024-07-29	PrS Proposed sale	BRENDAN BRENNAN Officer Officer	26,064 325.99 US$8,496,637	26,064	325.99	US$8,496,637
2024-07-29	2024-07-29	PrS Proposed sale	THOMAS NOEL O' LEARY Officer Officer	6,360 324.32 US$2,062,669	6,360	324.32	US$2,062,669
2024-06-05	2024-06-05	PrS Proposed sale	White Poplar Limited Director Non-Executive Director	6,764 225.28 US$1,523,794	6,764	225.28	US$1,523,794
2024-06-05	2024-06-05	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	4,877 329.00 US$1,604,533	4,877	329.00	US$1,604,533
2024-06-03	2024-06-03	PrS Proposed sale	UTE BERGER Officer Officer	335 326.30 US$109,310	335	326.30	US$109,310
2024-05-23	2024-05-23	PrS Proposed sale	RONAN MARTIN MURPHY Officer Officer	451 317.24 US$143,075	451	317.24	US$143,075
2024-05-23	2024-05-23	PrS Proposed sale	CIARAN MURRAY Officer Officer	732 316.77 US$231,878	732	316.77	US$231,878
2024-05-23	2024-05-23	PrS Proposed sale	EUGENE PACELLI MCCAGUE Officer Officer	487 318.30 US$155,012	487	318.30	US$155,012
2024-05-23	2024-05-23	PrS Proposed sale	JULIE ANN O'NEILL Officer Officer	490 316.80 US$155,231	490	316.80	US$155,231
2024-05-23	2024-05-23	PrS Proposed sale	1.6 LINDA SUE GRAIS Officer Officer	450 318.52 US$143,334	450	318.52	US$143,334
2024-05-23	2024-05-23	PrS Proposed sale	JOAN GARAHY Officer Officer	487 318.37 US$155,045	487	318.37	US$155,045
2024-05-23	2024-05-23	PrS Proposed sale	JOHN CLIMAX Officer Officer	450 319.02 US$143,557	450	319.02	US$143,557
2024-05-15	2024-05-15	PrS Proposed sale	JOHN CLIMAX Officer Officer	10,557 321.34 US$3,392,387	10,557	321.34	US$3,392,387
2024-05-10	2024-05-10	PrS Proposed sale	BRENDAN BRENNAN Officer Officer	7,930 316.43 US$2,509,319	7,930	316.43	US$2,509,319
2024-03-18	2024-03-18	PrS Proposed sale	EUGENE PACELLI MCCAGUE Officer Officer	1,750 332.62 US$582,084	1,750	332.62	US$582,084
2024-03-13	2024-03-13	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	488 341.00 US$166,408	488	341.00	US$166,408
2024-03-08	2024-03-08	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	200 341.49 US$68,298	200	341.49	US$68,298
2024-03-06	2024-03-06	PrS Proposed sale	STEPHEN CUTLER Officer Officer	15,442 335.98 US$5,188,132	15,442	335.98	US$5,188,132
2024-03-04	2024-03-04	PrS Proposed sale	THOMAS NOEL O LEARY Officer Officer	818 321.52 US$263,002	818	321.52	US$263,002
2024-03-04	2024-03-04	PrS Proposed sale	BRENDAN BRENNAN Officer Officer	1,582 322.75 US$510,594	1,582	322.75	US$510,594
2024-03-04	2024-03-04	PrS Proposed sale	STEPHEN CUTLER Officer Officer	6,007 322.29 US$1,935,996	6,007	322.29	US$1,935,996
2024-03-04	2024-03-04	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	1,135 321.95 US$365,415	1,135	321.95	US$365,415
2024-03-04	2024-03-04	PrS Proposed sale	UTE BERGER Officer Officer	242 321.10 US$77,705	242	321.10	US$77,705
2024-02-26	2024-02-26	PrS Proposed sale	BRENDAN BRENNAN Officer Officer	7,021 316.33 US$2,220,929	7,021	316.33	US$2,220,929
2024-02-26	2024-02-26	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	3,441 317.11 US$1,091,190	3,441	317.11	US$1,091,190
2023-12-13	2023-12-13	PrS Proposed sale	John Climax Director Non-Executive Director	60,000 225.28 US$13,516,800	60,000	225.28	US$13,516,800
2023-11-21	2023-11-21	PrS Proposed sale	STEPHEN CUTLER Officer Officer	18,517 271.03 US$5,018,733	18,517	271.03	US$5,018,733
2023-11-21	2023-11-21	PrS Proposed sale	RONAN MARTIN MURPHY Officer Officer	1,538 275.28 US$423,381	1,538	275.28	US$423,381
2023-11-16	2023-11-16	PrS Proposed sale	BRENDAN BRENNAN Officer Officer	30,206 267.79 US$8,088,750	30,206	267.79	US$8,088,750
2023-11-07	2023-11-07	PrS Proposed sale	THOMAS NOEL O LEARY Officer Officer	1,049 260.08 US$272,823	1,049	260.08	US$272,823
2023-09-15	2023-09-15	PrS Proposed sale	STEPHEN CUTLER Officer Officer	2,500 265.36 US$663,396	2,500	265.36	US$663,396
2023-09-14	2023-09-14	PrS Proposed sale	STEPHEN CUTLER Officer Officer	13,500 265.48 US$3,583,972	13,500	265.48	US$3,583,972
2023-08-25	2023-08-25	PrS Proposed sale	Poplar LTD Director Non-Executive Director	5,000 252.62 US$1,263,075	5,000	252.62	US$1,263,075
2023-08-08	2023-08-08	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	10,410 255.21 US$2,656,727	10,410	255.21	US$2,656,727
2023-08-04	2023-08-04	PrS Proposed sale	DIARMAID CUNNINGHAM Officer Officer	501 255.25 US$127,880	501	255.25	US$127,880
2023-08-01	2023-08-01	PrS Proposed sale	THOMAS NOEL O LEARY Officer Officer	6,968 248.90 US$1,734,347	6,968	248.90	US$1,734,347
2023-07-31	2023-07-31	PrS Proposed sale	THOMAS NOEL O LEARY Officer Officer	3,924 252.55 US$990,994	3,924	252.55	US$990,994
2023-07-31	2023-07-31	PrS Proposed sale	STEPHEN CUTLER Officer Officer	5,202 251.21 US$1,306,777	5,202	251.21	US$1,306,777
2023-06-14	2023-06-14	PrS Proposed sale	BRENDAN BRENNAN Officer Officer	440 233.70 US$102,829	440	233.70	US$102,829
2023-06-09	2023-06-09	PrS Proposed sale	UTE BERGER Officer Officer	19,895 222.97 US$4,436,036	19,895	222.97	US$4,436,036
2023-06-02	2023-06-02	PrS Proposed sale	UTE BERGER Officer Officer	461 216.90 US$99,992	461	216.90	US$99,992
2023-05-22	2023-05-22	PrS Proposed sale	JULIE ANN ONEILL Officer Officer	484 213.38 US$103,276	484	213.38	US$103,276
2023-05-22	2023-05-22	PrS Proposed sale	RONAN MARTIN MURPHY Officer Officer	484 213.36 US$103,264	484	213.36	US$103,264
2023-05-22	2023-05-22	PrS Proposed sale	CIARAN MURRAY Officer Officer	725 213.33 US$154,663	725	213.33	US$154,663
2023-05-22	2023-05-22	PrS Proposed sale	EUGENE PACELLI MCCAGUE Officer Officer	484 213.36 US$103,265	484	213.36	US$103,265
2023-05-22	2023-05-22	PrS Proposed sale	1.6 LINDA SUE GRAIS Officer Officer	484 213.38 US$103,276	484	213.38	US$103,276
2023-05-22	2023-05-22	PrS Proposed sale	JOAN GARAHY Officer Officer	484 213.38 US$103,276	484	213.38	US$103,276
2023-05-22	2023-05-22	PrS Proposed sale	JOHN CLIMAX Officer Officer	447 213.41 US$95,395	447	213.41	US$95,395

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