🕵️ Arthur J. Gallagher & Co. ($AJG)
SEC insider & ownership activity, last 12 months · CIK 354190 · every row links its SEC filing
Over the last 12 months insiders sold $27.1M against $988K of open-market buying. Douglas K. Howell sold $6.4M (Sep–Dec). No red-flag 8-Ks in the window.
🚨 1 signal active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
API and the
alerts bot.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $988K (4 lots) · 6 sellers, $27.1M (17 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Douglas K. Howell | 0 | – | 6 | $6.4M | Dec 22, 2025 |
| Gallagher J Patrick Jr. | 0 | – | 1 | $6.3M | Mar 2, 2026 |
| Scott R. Hudson | 0 | – | 3 | $4.7M | Mar 6, 2026 |
| Walter D. Bay | 0 | – | 1 | $4.0M | Dec 19, 2025 |
| Richard C. Cary | 0 | – | 3 | $3.4M | Jun 2, 2026 |
| Christopher E. Mead | 0 | – | 3 | $2.3M | Mar 5, 2026 |
| Pesch Michael Robert | 4 | $988K | 0 | – | Nov 3, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 7.5% | 13G | Apr 29, 2026 | filing ↗ | |
| Blackrock, Inc. | 6.9% | 13G | Jul 16, 2025 | filing ↗ | |
| JPMorgan Chase & Co. | 5.5% | 13G | Jul 27, 2026 | filing ↗ | |
| Capital World Investors | 5.0% | 13G | Feb 13, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Matrix Trust Co | $3.2M | Jun 16, 2026 | filing ↗ |
| Richard C. Cary | $618K | Jun 2, 2026 | filing ↗ |
| Matrix Trust Co | $3.1M | Mar 18, 2026 | filing ↗ |
| Scott R. Hudson | $865K | Mar 6, 2026 | filing ↗ |
| Christopher E. Mead | $908K | Mar 5, 2026 | filing ↗ |
| Gallagher J Patrick Jr. | $6.3M | Mar 2, 2026 | filing ↗ |
| Christopher E. Mead | $1.0M | Dec 23, 2025 | filing ↗ |
| Douglas K. Howell | $1.3M | Dec 22, 2025 | filing ↗ |
| Walter D. Bay | $4.0M | Dec 19, 2025 | filing ↗ |
| Matrix Trust Co | $3.8M | Dec 17, 2025 | filing ↗ |
| Christopher E. Mead | $313K | Nov 21, 2025 | filing ↗ |
| Richard C. Cary | $1.6M | Nov 18, 2025 | filing ↗ |
| Douglas K. Howell | $2.4M | Sep 22, 2025 | filing ↗ |
| Douglas K. Howell | $1.8M | Sep 19, 2025 | filing ↗ |
| Matrix Trust Co | $4.4M | Sep 17, 2025 | filing ↗ |
| Douglas K Howell | $896K | Sep 9, 2025 | filing ↗ |
| Scott R. Hudson | $3.8M | Sep 8, 2025 | filing ↗ |
| Richard C. Cary | $1.2M | Aug 21, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | Jul 22, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 17, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 17, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 6, 2026 | filing ↗ |
| Earnings (2.02) | Jan 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 16, 2025 | filing ↗ |
| Earnings (2.02) | Oct 30, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 18, 2025 | filing ↗ |
| Acquisition or disposition (2.01) | Aug 18, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 18, 2025 | filing ↗ |
| Earnings (2.02) | Jul 31, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2025 | filing ↗ |