Form 4 for AJG Arthur J. Gallagher & Co.
Accepted 2026-03-18 00:00:00 ET · period of report 2026-03-15 · accession 0000354190-26-000097 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-03-18 | 2026-03-15 | AJG | Ziebell William F | VP | M - OptEx | $0.00 | 0 | 0 | New | $0 |
| 2026-03-18 | 2026-03-15 | AJG | Ziebell William F | VP | A - Grant | $0.00 | +6,930 | 6,930 | New | $0 | |
| 2026-03-18 | 2026-03-15 | AJG | Ziebell William F | VP | F - Tax | $207.93 | -2,321 | 48.7K | -5% | -$482.6K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-15 | M | A | 6,930 | $0.00 | 51,005.82 | D | — | — | |
| 2 | Common | Common Stock (restricted) | 2026-03-15 | M | D | 6,930 | $0.00 | 0 | D | — | — | |
| 3 | Common | Common Stock (restricted) | 2026-03-15 | A | A | 6,930 | $0.00 | 6,930 | D | — | — | (F1) Filed one day late due to a technical filing issue. (F2) Performance share units (awarded on March 15, 2023) earned and vested as of March 15, 2026. |
| 4 | Common | Common Stock | 2026-03-15 | F | D | 2,321 | $207.93 | 48,684.82 | D | — | — |