Summary
Updated Aug 31, 2026
Crystal Sumner is Chief Administrative Officer and Corporate Secretary of Marqeta, Inc. (MQ). 16 SEC Form 4 filings on record going back to 2024, most recently on 2 July 2026. Most recent open-market trade: sold $20K of MQ on 16 June 2026. Lifetime open-market sales: $445K.
Recent Transactions
20Every recent SEC Form 4 transaction Crystal Sumner has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Crystal Sumner go back to 2024: 16 primary Form 4 filings, an average of 5.3 per year. 10 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Crystal Sumner 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.
- Jason M. Gardner - $489K of MQ open-market activity in the last 12 months
- Elaine Paul - $147K of MQ open-market activity in the last 12 months
- Martha Cummings - $138K of MQ open-market activity in the last 12 months
- Najuma Atkinson - $132K of MQ open-market activity in the last 12 months
- Judson C. Linville - $100K of MQ open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Crystal Sumner?
Crystal Sumner is a corporate insider, tracked as Chief Administrative Officer and Corporate Secretary of Marqeta, Inc. (MQ). InsiderAlpha holds 16 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Crystal Sumner submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Crystal Sumner been buying or selling stock?
Recorded transactions: 0 open-market purchases and 9 open-market sales ($445K) across all tracked filings.
Where can I see all of Crystal Sumner's SEC 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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