Person

William J. Sandbrook

Director, Comfort Systems USA

Current S&P 500 boards
1
Current roles
1
Open-market buys
$462K
Open-market sales
$10.1M

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
Apr 29, 2026FIXSale1,500$1,732.67$2.6M
Feb 24, 2026FIXSale2,500$1,443.32$3.6M
Sep 10, 2025FIXSale800$733.56$587K
Sep 9, 2025FIXSale600$708.97$425K
Sep 9, 2025FIXSale100$706.00$71K
Aug 25, 2025FIXSale700$689.58$483K
Nov 9, 2023FIXSale5,000$185.19$926K
Sep 12, 2023FIXSale7,500$187.52$1.4M
May 29, 2018FIXBuy5,734$46.42$266K
May 25, 2018FIXBuy4,266$45.87$196K

SEC reporting-owner ID (CIK) 1527678 · all filings on EDGAR

William J. Sandbrook (FIX) | USBoard