ICLR
ICON plc
NASDAQ · Healthcare · Medical - Diagnostics & Research · IE
$205.22
+0.71%0
Insider buys (3m)
57
Insider sells (3m)
-$5.5M
Net value (3m)
+26.1%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Nov 3, 2026 | Clerkin Nigel Bernard John · officer: Chief Financial Officer | Sale | 434 | $206 |
| Nov 3, 2026 | Clerkin Nigel Bernard John · officer: Chief Financial Officer | Sale | 303 | $205 |
| Nov 3, 2026 | Clerkin Nigel Bernard John · officer: Chief Financial Officer | M-Exempt | 2,778 | $0.00 |
| Nov 3, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 4 | $210 |
| Nov 3, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 63 | $207 |
| Nov 3, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 67 | $208 |
| Nov 3, 2026 | Clerkin Nigel Bernard John · officer: Chief Financial Officer | Sale | 22 | $210 |
| Nov 3, 2026 | Clerkin Nigel Bernard John · officer: Chief Financial Officer | Sale | 377 | $208 |
| Nov 3, 2026 | Clerkin Nigel Bernard John · officer: Chief Financial Officer | Sale | 352 | $207 |
| Nov 3, 2026 | Balfe Barry Edward · director, officer: Chief Executive Officer | M-Exempt | 9,662 | $0.00 |
| Nov 3, 2026 | Balfe Barry Edward · director, officer: Chief Executive Officer | Sale | 1,053 | $205 |
| Nov 3, 2026 | Balfe Barry Edward · director, officer: Chief Executive Officer | Sale | 1,509 | $206 |
| Nov 3, 2026 | Balfe Barry Edward · director, officer: Chief Executive Officer | Sale | 1,224 | $207 |
| Nov 3, 2026 | Balfe Barry Edward · director, officer: Chief Executive Officer | Sale | 1,314 | $208 |
| Nov 3, 2026 | Balfe Barry Edward · director, officer: Chief Executive Officer | Sale | 75 | $210 |
| Nov 3, 2026 | Lyons Emer · officer: Chief Accounting Officer | M-Exempt | 491 | $0.00 |
| Nov 3, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 54 | $205 |
| Nov 3, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 76 | $206 |
| Oct 26, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 43 | $182 |
| Oct 26, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 52 | $183 |
| Oct 26, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 54 | $184 |
| Oct 26, 2026 | Lyons Emer · officer: Chief Accounting Officer | M-Exempt | 510 | $0.00 |
| Oct 26, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 42 | $181 |
| Oct 26, 2026 | Lyons Emer · officer: Chief Accounting Officer | Sale | 81 | $181 |
| Sep 18, 2026 | McCague Eugene Pacelli · director | Sale | 3,255 | $175 |
| Sep 18, 2026 | Murphy Ronan Martin · director | M-Exempt | 5,005 | $126 |
| Sep 18, 2026 | Murphy Ronan Martin · director | Sale | 5,005 | $175 |
| Sep 18, 2026 | CLIMAX JOHN DR · director | M-Exempt | 5,005 | $126 |
| Sep 18, 2026 | CLIMAX JOHN DR · director | Sale | 5,005 | $175 |
| Sep 18, 2026 | McCague Eugene Pacelli · director | M-Exempt | 3,255 | $126 |
Institutional positioning
13F filings over the trailing two quarters
New 171Increased 312Reduced 292Sold out 79
| Filer | Action | Shares | Filed |
|---|---|---|---|
| Artisan Partners Limited Partnership | Increased | 8,636,406 | Aug 13, 2026 |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | Increased | 8,278,945 | May 13, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 5,913,037 | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 5,320,054 | Aug 14, 2026 |
| FMR LLC | Increased | 5,271,321 | Aug 13, 2026 |
| Invesco Ltd. | Increased | 5,264,236 | Aug 14, 2026 |
| HARRIS ASSOCIATES L P | Increased | 4,468,146 | Aug 14, 2026 |
| HARRIS ASSOCIATES L P | Increased | 4,351,317 | May 15, 2026 |
| FMR LLC | Increased | 4,174,006 | May 15, 2026 |
| INVESCO LTD. | Increased | 3,878,869 | May 12, 2026 |
| Brave Warrior Advisors, LLC | Increased | 3,153,308 | Aug 14, 2026 |
| GREENHAVEN ASSOCIATES INC | Increased | 3,100,615 | Jul 28, 2026 |
| GREENHAVEN ASSOCIATES INC | Reduced | 3,069,015 | Oct 26, 2026 |
| BRAVE WARRIOR ADVISORS, LLC | New Position | 2,996,811 | May 15, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 2,950,974 | Aug 4, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Nov 3, 2026