Icon PLC (ICLR) Insider Trading
Directors, officers and holders of more than 10% of ICLR report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 111 transactions on file: 0 with code P, 36 with code S and 14 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 67 | $208.00 | $13,936 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | S Sale | 1,509 | $206.15 | $311,080 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | S Sale | 303 | $204.91 | $62,088 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | S Sale | 1,314 | $208.00 | $273,312 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | S Sale | 434 | $206.15 | $89,469 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | S Sale | 352 | $207.16 | $72,920 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | S Sale | 22 | $209.53 | $4,610 |
| Nov 2, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | S Sale | 377 | $208.00 | $78,416 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | S Sale | 1,053 | $204.91 | $215,770 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 76 | $206.15 | $15,667 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 4 | $209.53 | $838 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | S Sale | 1,224 | $207.16 | $253,564 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 54 | $204.91 | $11,065 |
| Nov 2, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 63 | $207.16 | $13,051 |
| Nov 2, 2026 | Balfe Barry Edward | Chief Executive Officer | S Sale | 75 | $209.53 | $15,715 |
| Oct 31, 2026 | Balfe Barry Edward | Chief Executive Officer | M Exercise | 9,662 | Not measured | Not measured |
| Oct 31, 2026 | Balfe Barry Edward | Chief Executive Officer | M Exercise | 9,662 | Not measured | Not measured |
| Oct 31, 2026 | Lyons Emer | Chief Accounting Officer | M Exercise | 491 | Not measured | Not measured |
| Oct 31, 2026 | Lyons Emer | Chief Accounting Officer | M Exercise | 491 | Not measured | Not measured |
| Oct 31, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | M Exercise | 2,778 | Not measured | Not measured |
| Oct 31, 2026 | Clerkin Nigel Bernard John | Chief Financial Officer | M Exercise | 2,778 | Not measured | Not measured |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 81 | $181.39 | $14,693 |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 54 | $184.29 | $9,952 |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 52 | $183.42 | $9,538 |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 43 | $182.30 | $7,839 |
| Oct 23, 2026 | Lyons Emer | Chief Accounting Officer | S Sale | 42 | $180.54 | $7,583 |
| Oct 22, 2026 | Lyons Emer | Chief Accounting Officer | M Exercise | 510 | Not measured | Not measured |
| Oct 22, 2026 | Lyons Emer | Chief Accounting Officer | M Exercise | 510 | Not measured | Not measured |
| Sep 17, 2026 | McCague Eugene Pacelli | Director | M Exercise | 3,255 | $125.74 | $409,284 |
| Sep 17, 2026 | McCague Eugene Pacelli | Director | S Sale | 3,255 | $175.00 | $569,625 |
| Sep 17, 2026 | Murphy Ronan Martin | Director | M Exercise | 5,005 | Not measured | Not measured |
| Sep 17, 2026 | McCague Eugene Pacelli | Director | M Exercise | 3,255 | Not measured | Not measured |
| Sep 17, 2026 | Murphy Ronan Martin | Director | M Exercise | 5,005 | $125.74 | $629,329 |
| Sep 17, 2026 | Murphy Ronan Martin | Director | S Sale | 5,005 | $175.00 | $875,875 |
| Sep 16, 2026 | CLIMAX JOHN DR | Director | S Sale | 5,005 | $175.00 | $875,875 |
| Sep 16, 2026 | CLIMAX JOHN DR | Director | M Exercise | 5,005 | Not measured | Not measured |
| Sep 16, 2026 | CLIMAX JOHN DR | Director | M Exercise | 5,005 | $125.74 | $629,329 |
| Aug 11, 2026 | Murray Ciaran | Director | S Sale | 212 | $165.51 | $35,088 |
| Aug 11, 2026 | Murray Ciaran | Director | S Sale | 1,880 | $164.47 | $309,204 |
| Aug 11, 2026 | Murray Ciaran | Director | S Sale | 305 | $163.77 | $49,950 |
| Aug 11, 2026 | Murray Ciaran | Director | S Sale | 280 | $162.72 | $45,562 |
| Aug 11, 2026 | O'Neill Julie | Director | S Sale | 642 | $164.47 | $105,590 |
| Aug 11, 2026 | Grais Linda | Director | S Sale | 67 | $165.51 | $11,089 |
| Aug 11, 2026 | Grais Linda | Director | S Sale | 590 | $164.47 | $97,037 |
| Aug 11, 2026 | Grais Linda | Director | S Sale | 97 | $163.77 | $15,886 |
| Aug 11, 2026 | O'Neill Julie | Director | S Sale | 73 | $165.51 | $12,082 |
| Aug 11, 2026 | Grais Linda | Director | S Sale | 87 | $162.72 | $14,157 |
| Aug 11, 2026 | O'Neill Julie | Director | S Sale | 105 | $163.77 | $17,196 |
| Aug 11, 2026 | O'Neill Julie | Director | S Sale | 95 | $162.72 | $15,458 |
| Aug 11, 2026 | CLIMAX JOHN DR | Director | S Sale | 67 | $165.51 | $11,089 |
The full Form 4 history is on the ICLR company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.