Person

Mark Mason

Director, Microsoft

Current S&P 500 boards
1
Current roles
2
Open-market buys
$0
Open-market sales
$6.4M

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
Feb 20, 2026CSale2,000$114.96$230K
Feb 20, 2026CSale1,627$114.40$186K
Feb 14, 2025CSale58,465$83.21$4.9M
May 7, 2021CSale15,366$74.03$1.1M

SEC reporting-owner ID (CIK) 1487290 · all filings on EDGAR

Mark Mason (MSFT, C) | USBoard