Person

Walter D. Bay

General Counsel, Arthur J. Gallagher & Co.

Current S&P 500 boards
0
Current roles
1
Open-market buys
$0
Open-market sales
$34.5M

Current roles

From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.

Past roles

“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.

None on record since 2016.

Sits alongside

People who currently share a board or management team with this person.

Open-market trades

Purchases and sales reported on Form 4 at S&P 500 companies.

DateCompanyTypeSharesPriceValue
Aug 24, 2026AJGSale12,000$270.08$3.2M
Dec 19, 2025AJGSale15,850$255.00$4.0M
Feb 13, 2025AJGSale10,000$326.62$3.3M
Jul 30, 2024AJGSale6,335$284.06$1.8M
Jun 18, 2024AJGSale8,303$262.74$2.2M
May 20, 2024AJGSale800$257.24$206K
May 17, 2024AJGSale3,863$256.27$990K
May 17, 2024AJGSale4,468$257.53$1.2M
May 17, 2024AJGSale386$258.11$100K
May 16, 2024AJGSale7,576$253.00$1.9M
May 16, 2024AJGSale7,283$256.04$1.9M
Sep 15, 2023AJGSale21,800$232.00$5.1M
Aug 10, 2022AJGSale5,100$185.00$944K
Aug 9, 2022AJGSale5,100$181.00$923K
Mar 16, 2022AJGSale7,500$162.00$1.2M
Dec 10, 2020AJGSale12,600$119.23$1.5M
Dec 17, 2019AJGSale13,150$95.30$1.3M
Dec 16, 2019AJGSale1,944$95.32$185K
Feb 15, 2019AJGSale13,800$80.00$1.1M
Sep 14, 2018AJGSale3,985$75.09$299K
Aug 16, 2018AJGSale9,100$71.95$655K
Jan 29, 2018AJGSale1,500$70.15$105K
Feb 14, 2017AJGSale3,000$55.54$167K
Feb 2, 2017AJGSale6,600$54.04$357K

SEC reporting-owner ID (CIK) 1410235 · all filings on EDGAR

Walter D. Bay (AJG) | USBoard