Compare
Arthur J. Gallagher & Co. vs Aon plc
Arthur J. Gallagher & Co. (AJG) and Aon plc (AON) side by side, from official filings: what insiders, members of Congress and funds reported. These are counts of what was filed, not a view on either stock.
| Arthur J. Gallagher & Co. AJGNYSE · Insurance Brokers | Aon plc AONNYSE · Insurance Brokers | |
|---|---|---|
| Insider records, last 12 months | 195 | 134 |
| Congress trades, last 12 months | 10 | 1 |
| Fund positions reported, last 12 months | 1 | 138 |
| Federal contract awards, last 12 months | 0 | 0 |
| Open-market purchases by insiders since 2006 | 21 | 45 |
| Open-market sales by insiders since 2006 | 388 | 1,875 |
| Last open-market purchase by an insider | Nov 4, 2025 | Sep 4, 2026 |
| Next results | Oct 22, 2026 | Oct 29, 2026 |
Counts of records OQRO holds, by their date. Insider history since 2006 comes from the SEC's insider transactions data sets and every filing since. Planned and automatic sales are included in the sales.
Common questions
Which has had more insider buying, Arthur J. Gallagher & Co. or Aon plc?
Since 2006, Aon plc insiders reported 45 open-market purchases against 21 for Arthur J. Gallagher & Co., in SEC Forms 4 and 5. Counts depend on the number of insiders and how long each company has been listed.
Do members of Congress trade AJG or AON?
In the last 12 months, members of Congress disclosed 10 trades in Arthur J. Gallagher & Co. (AJG) and 1 in Aon plc (AON), each reported as a value range on a periodic transaction report.
When did insiders last buy AJG and AON?
Arthur J. Gallagher & Co.: Nov 4, 2025. Aon plc: Sep 4, 2026. Dates are those of the SEC filings.
See the record behind any of these
Each company page opens free with one real filing and the counts of the last 12 months. OQRO Pro adds the full history of every insider and company since 2006, the screener, alerts, Congress trades and fund moves.
Arthur J. Gallagher & Co. pageAon plc pageRare insider trades this weekAll comparisons
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