Skip to main content

Icon PLC

ICLR
Exchange
Nasdaq
Industry
Services-Commercial Physical & Biological Research
SEC CIK
0001060955

In the last 90 days, Icon PLC insiders filed 0 open-market purchases and 8 sales; 426 institutions reported holding it in 13F filings for Q2 2026, worth $13.9B in total; superinvestors Harris Associates (Oakmark) and Greenhaven Associates hold it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Icon PLC insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
8 filings
7 insiders, $4.51M in total
Insiders trading
7
Net value
−$4.51M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Icon PLC, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Icon PLC
NameTitleLast reported holdingLast filingFilings, past year
Murray CiaranDirector17,000Nov 4, 20262
Balfe Barry EdwardChief Executive Officer9,291Nov 3, 20262
Lyons EmerChief Accounting Officer1,217Nov 3, 20263
Clerkin Nigel Bernard JohnChief Financial Officer7,171Nov 3, 20262
Climax John DrDirector2,087Sep 18, 20263
McCague Eugene PacelliDirector3,811Sep 18, 20263
Murphy Ronan MartinDirector3,847Sep 18, 20263
Whitaker Anne ClemDirector891Aug 12, 20261
O'Neill JulieDirector3,515Aug 12, 20261
Grais LindaDirector6,162Aug 12, 20261
Egan Kevin FrancisDirector–Aug 12, 20261
Elliott Jeffrey ThomasDirector–Aug 11, 20261

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 4, 2026 (view filing)6:30 AM ETNov 22 daysMurray CiaranDirectorSSale−3.45K$205.67−$710.0K−16.9%17.0K after
Nov 3, 2026 (view filing)4:23 PM ETNov 21 dayBalfe Barry EdwardChief Executive OfficerSSale−5.17K$206.66−$1.07M−35.8%9.29K after5 lots
Nov 3, 2026 (view filing)4:16 PM ETNov 21 dayLyons EmerChief Accounting OfficerSSale−264$206.66−$54.6K−17.8%1.22K after5 lots
Nov 3, 2026 (view filing)4:11 PM ETNov 21 dayClerkin Nigel Bernard JohnChief Financial OfficerSSale−1.49K$206.66−$307.5K−17.2%7.17K after5 lots
Oct 26, 2026 (view filing)6:57 AM ETOct 233 daysLyons EmerChief Accounting OfficerSSale−272$182.37−$49.6K−21.6%990 after5 lots
Sep 18, 2026 (view filing)6:08 AM ETSep 162 daysClimax John DrDirectorSSale−5.00K$175.00−$875.9K−70.6%2.09K after
Sep 18, 2026 (view filing)6:08 AM ETSep 171 dayMcCague Eugene PacelliDirectorSSale−3.25K$175.00−$569.6K−46.1%3.81K after
Sep 18, 2026 (view filing)6:07 AM ETSep 171 dayMurphy Ronan MartinDirectorSSale−5.00K$175.00−$875.9K−56.5%3.85K after
Aug 12, 2026 (view filing)5:02 PM ETAug 111 dayWhitaker Anne ClemDirectorSSale−841$164.29−$138.2K−48.6%891 after4 lots
Aug 12, 2026 (view filing)5:01 PM ETAug 111 dayO'Neill JulieDirectorSSale−915$164.29−$150.3K−20.7%3.52K after4 lots
Aug 12, 2026 (view filing)5:00 PM ETAug 111 dayMurray CiaranDirectorSSale−2.68K$164.29−$439.8K−11.6%20.5K after4 lots
Aug 12, 2026 (view filing)5:00 PM ETAug 111 dayMurphy Ronan MartinDirectorSSale−841$164.29−$138.2K−17.9%3.85K after4 lots
Aug 12, 2026 (view filing)4:59 PM ETAug 111 dayMcCague Eugene PacelliDirectorSSale−841$164.29−$138.2K−18.1%3.81K after4 lots
Aug 12, 2026 (view filing)4:47 PM ETAug 111 dayGrais LindaDirectorSSale−841$164.29−$138.2K−12.0%6.16K after4 lots
Aug 12, 2026 (view filing)4:47 PM ETAug 111 dayClimax John DrDirectorSSale−841$164.29−$138.2K−28.7%2.09K after4 lots
Aug 12, 2026 (view filing)4:46 PM ETAug 111 dayClerkin Nigel Bernard JohnChief Financial OfficerSSale−2.27K$164.29−$372.4K−27.8%5.88K after4 lots
Aug 11, 2026 (view filing)4:22 PM ETAug 101 dayBalfe Barry EdwardChief Executive OfficerSSale−382$164.07−$62.7K−7.4%4.80K after2 lots