CIK 0000354190 · Large accelerated filer
Arthur J. Gallagher & Co.
Sign in to watch- Ticker
- AJG
- Exchange
- NYSE
- Industry
- Insurance Agents, Brokers & Service
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 362151613
- Phone
- 630-773-3800
- Business address
- 2850 GOLF ROAD, ROLLING MEADOWS, IL, 60008-4050
- Former names
- GALLAGHER ARTHUR J & CO
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $29,193,204
- in 8 filings
Net −$29,193,204. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
- HOWELL DOUGLAS K −$8.5M VP & Chief Financial Officer sold 25% of stake
- Ziebell William F −$6.7M VICE PRESIDENT sold 32% of stake
- Pietrucha Susan E −$4.2M Chief Human Resources Officer sold 47% of stake
- Bay Walter D. −$3.2M General Counsel sold 14% of stake
- Hudson Scott R −$3.2M Vice President sold 12% of stake
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-11-02 | HOWELL DOUGLAS K VP & Chief Financial Officer | Option exercise | +17,130 | $86.17 | $1.5M | 123,957.32 |
| 2026-11-02 | HOWELL DOUGLAS K VP & Chief Financial Officer | Sale | −17,130 | $275.00 | $4.7M | 106,827.32 |
| 2026-11-02 | HOWELL DOUGLAS K VP & Chief Financial Officer | Sale | −13,374 | $275.30 | $3.7M | 93,453.32 |
| 2026-11-02 | HOWELL DOUGLAS K VP & Chief Financial Officer | Sale | −492 | $275.91 | $136K | 92,961.32 |
| 2026-11-02 | HOWELL DOUGLAS K VP & Chief Financial Officer | Option exercise · Non-qualified Stock Option | −17,130 | 0 | ||
| 2026-06-22 | HOWELL DOUGLAS K VP & Chief Financial Officer | Other disposition · Notional Stock Units | −12,954.39 | $209.08 | $2.7M | 185,953.93 |
| 2026-03-31 | HOWELL DOUGLAS K VP & Chief Financial Officer | Option exercise | +76.38 | $215.95 | $16K | 106,786.14 |
| 2026-03-31 | HOWELL DOUGLAS K VP & Chief Financial Officer | Shares withheld for taxes | −76.38 | $215.95 | $16K | 106,709.76 |
| 2026-03-31 | HOWELL DOUGLAS K VP & Chief Financial Officer | Option exercise · Phantom Stock | −76.38 | 6,866.9 | ||
| 2026-03-15 | HOWELL DOUGLAS K VP & Chief Financial Officer | Grant or award | +9,082 | 9,082 | ||
| 2026-03-15 | HOWELL DOUGLAS K VP & Chief Financial Officer | Option exercise | −9,082 | 0 | ||
| 2026-03-15 | HOWELL DOUGLAS K VP & Chief Financial Officer | Option exercise | +9,082 | 110,574.76 | ||
| 2026-03-15 | HOWELL DOUGLAS K VP & Chief Financial Officer | Shares withheld for taxes | −3,865 | $207.93 | $804K | 106,709.76 |
| 2026-03-13 | HOWELL DOUGLAS K VP & Chief Financial Officer | Option exercise | +14,100 | $79.59 | $1.1M | 110,130.76 |
| 2026-03-13 | HOWELL DOUGLAS K VP & Chief Financial Officer | Shares withheld for taxes | −8,638 | $207.93 | $1.8M | 101,492.76 |
| 2026-03-13 | HOWELL DOUGLAS K VP & Chief Financial Officer | Option exercise · Non-qualified Stock Option | −14,100 | 0 | ||
| 2026-03-04 | HOWELL DOUGLAS K VP & Chief Financial Officer | Grant or award · Phantom Stock | +2,643.06 | $227.01 | $600K | 6,928.98 |
| 2026-03-01 | HOWELL DOUGLAS K VP & Chief Financial Officer | Grant or award · Non-qualified Stock Option | +20,737 | 20,737 | ||
| 2026-02-10 | HOWELL DOUGLAS K VP & Chief Financial Officer | Other acquisition · Notional Stock Units | +12,892.21 | $212.58 | $2.7M | 191,318.05 |
| 2025-12-22 | HOWELL DOUGLAS K VP & Chief Financial Officer | Sale | −5,000 | $258.05 | $1.3M | 95,776.76 |
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