Brannin McBee

Brannin McBee (born 1985) is a U.S.-based technology billionaire in Montana with an estimated net worth of ~$2.3B. SEC filings link him to CoreWeave, Inc. (CRWV) through insider and other securities filings under the name “McBee Brannin.” RTB SEC EDGAR

Business & SEC Activity

SEC EDGAR shows 159 total filings associated with Brannin McBee, including 157 insider filings tied to CoreWeave, Inc. (CRWV). Insider filings include Form 4 reports (used to disclose insiders’ purchases/sales and other ownership changes) and Form 144 notices (used to signal an intent to sell restricted or control securities). Recent filings include multiple Form 144 submissions dated 2026-03-09 and several Form 4 filings dated 2026-02-19. SEC EDGAR

Philanthropy

ProPublica nonprofit tax filings list the Mcbee Family Foundation (Houston, TX) reporting $1,118,882 in total assets in tax year 2023, with $0 grants paid, $89,617 in total revenue, and $98,854 in total expenses. A second entity, the Mcbee Charitable Foundation (Fort Worth, TX), is listed with $0 assets and $0 grants paid (tax year not shown). Across the listed foundations, total grants paid are $0 and total foundation assets are $1,118,882. ProPublica 990

In the News

Recent coverage includes a transcript of CoreWeave, Inc. (CRWV) presenting at the Morgan Stanley Technology, Media & Telecom Conference 2026 (published 2026-03-05). Other headlines discuss CoreWeave stock movement and insider-trading-related reports, including articles stating that “Coreweave's McBee sells $11.7m in shares” and that “Coreweave CDO McBee sells $504,977 in class a common stock” (published 2026-02-20). NewsAPI