Bay Walter D. insider trades
Bay Walter D. has filed 28 Form 4s with the SEC that we hold, all for Arthur J. Gallagher & Co. (AJG), as General Counsel. Across all of them we count 0 purchases worth $0 and 15 sales worth $28.9M reported on Form 4. In the last 12 months: 0 purchases ($0) and 2 sales ($7.3M). The largest single trade was a sale of 21,800 shares of Arthur J. Gallagher & Co. worth $5.1M, dated 2023-09-15. Of 1 sale filed since we began reading the 10b5-1 checkbox, 0 (0%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-12-17 and the latest 2026-08-26.
Arthur J. Gallagher & Co. (AJG)
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2022-03-16 | S, sale reported on Form 4 | 7,500 | $1.2M | 2022-03-16 | SEC |
| 2022-08-09 | S, sale reported on Form 4 | 5,100 | $923.1K | 2022-08-11 | SEC |
| 2022-08-10 | S, sale reported on Form 4 | 5,100 | $943.5K | 2022-08-11 | SEC |
| 2023-09-15 | S, sale reported on Form 4 | 21,800 | $5.1M | 2023-09-19 | SEC |
| 2024-05-16 | S, sale reported on Form 4 | 7,576 | $1.9M | 2024-05-20 | SEC |
| 2024-05-16 | S, sale reported on Form 4 | 7,283 | $1.9M | 2024-05-20 | SEC |
| 2024-05-17 | S, sale reported on Form 4 | 3,863 | $990.0K | 2024-05-20 | SEC |
| 2024-05-17 | S, sale reported on Form 4 | 4,468 | $1.2M | 2024-05-20 | SEC |
| 2024-05-17 | S, sale reported on Form 4 | 386 | $99.6K | 2024-05-20 | SEC |
| 2024-05-20 | S, sale reported on Form 4 | 800 | $205.8K | 2024-05-20 | SEC |
| 2024-06-18 | S, sale reported on Form 4 | 8,303 | $2.2M | 2024-06-18 | SEC |
| 2024-07-30 | S, sale reported on Form 4 | 6,335 | $1.8M | 2024-07-30 | SEC |
| 2025-02-13 | S, sale reported on Form 4 | 10,000 | $3.3M | 2025-02-14 | SEC |
| 2025-12-19 | S, sale reported on Form 4 | 15,850 | $4.0M | 2025-12-23 | SEC |
| 2026-08-24 | S, sale reported on Form 4 | 12,000 | $3.2M | 2026-08-26 | SEC |
Counted from the Form 4 filings this reporting owner (SEC CIK 1410235) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

