Career & Filing History
Every role Brian Armstrong has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Brian Armstrong serves as Chairman and CEO of Coinbase Global, Inc. (COIN). Armstrong has reported 18 insider filings with the SEC since 2024. The most recent filing was in November 2025.
Every role Brian Armstrong has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Coinbase Global, Inc. (COIN)17 filingsUpdated Aug 30, 2026
Brian Armstrong is Chairman and CEO, Director, 10% Owner of Coinbase Global, Inc. (COIN). 17 SEC Form 4 filings on record going back to 2024, most recently on 19 November 2025. Most recent open-market trade: sold $10K of COIN on 19 November 2025. Lifetime open-market sales: $731.32M.
Every recent SEC Form 4 transaction Brian Armstrong has reported, most recent first.
InsiderAlpha's records for Brian Armstrong go back to 2024: 17 primary Form 4 filings, an average of 5.7 per year. 109 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Insiders who reported open-market trades in the last 12 months at the companies Brian Armstrong files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Brian Armstrong is a corporate insider, tracked as Chairman and CEO, Director, 10% Owner of Coinbase Global, Inc. (COIN). InsiderAlpha holds 17 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 19 November 2025, one of 17 filings going back to 2024.
Recorded transactions: 0 open-market purchases and 128 open-market sales ($731.32M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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