Latest filingSep 18, 2026Most recent Form 4
ICLR
ICON PLC
Insider activity for last month from 08/18 to 09/18. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$232M3 sells
Net open-market-$232M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period9transactions
- M · Option exercise · dominant6 · 67%
- S · Open-market sells3 · 33%
Activity by reported role
A joint filing can contribute to multiple roles9transactions
- Director · dominant9 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (3)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeClimax John DrOrdinary Shares · Direct
7,092Sep 16, 2026
Murphy Ronan MartinOrdinary Shares · Direct
3,847Sep 17, 2026
McCague Eugene PacelliOrdinary Shares · Direct
7,066Sep 17, 2026
Climax John DrStock Options · Direct
0Sep 16, 2026
Murphy Ronan MartinStock Options · Direct
0Sep 17, 2026
McCague Eugene PacelliStock Options · Direct
0Sep 17, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 18 → Sep 18
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Top insiders
By absolute net value across the selected period- CD-$246.5k
- MM-$246.5k
- MP-$160.3k
Recent filing activity
Most recent 9 transactions · color = transaction codeFiling detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
ICLR transaction history
Filters apply within this company and selected period by defaultLatest insider transactions
Form 4 filings from last month. Click any column to sort; click it again to flip the order.
| ID | Ticker | Insider | Role | Type | Shares | Value | Code | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|
| #225322 | ICLR | Climax John Dr | DIR | exercise | 5.00k | $0 | M | 09/18 | 09/16 |
| #225321 | ICLR | Climax John Dr | DIR | sale | 5.00k | -$87.5M | S | 09/18 | 09/16 |
| #225320 | ICLR | Climax John Dr | DIR | exercise | 5.00k | $62.9M | M | 09/18 | 09/16 |
| #225318 | ICLR | McCague Eugene Pacelli | DIR | exercise | 3.25k | $0 | M | 09/18 | 09/17 |
| #225317 | ICLR | McCague Eugene Pacelli | DIR | sale | 3.25k | -$56.9M | S | 09/18 | 09/17 |
| #225316 | ICLR | McCague Eugene Pacelli | DIR | exercise | 3.25k | $40.9M | M | 09/18 | 09/17 |
| #225315 | ICLR | Murphy Ronan Martin | DIR | exercise | 5.00k | $0 | M | 09/18 | 09/17 |
| #225314 | ICLR | Murphy Ronan Martin | DIR | sale | 5.00k | -$87.5M | S | 09/18 | 09/17 |
| #225313 | ICLR | Murphy Ronan Martin | DIR | exercise | 5.00k | $62.9M | M | 09/18 | 09/17 |
ICON PLC Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at ICON PLC?
CLIMAX JOHN DR, McCague Eugene Pacelli, Murphy Ronan Martin.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
McCague Eugene Pacelli reported a sale on Sep 17, 2026 valued at $56.9M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $2,321,375.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.