Brian Grassadonia
Ecosystem Lead · Block, Inc.
IndividualSelling only26 10b5-1 trades
- 2024
- Aug 24, 2026
- 17
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Brian Grassadonia 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.
- Anthony Mathew Eisen - $69.56M in XYZ purchases and sales in the last 12 months
- Amrita Ahuja - $6.19M in XYZ purchases and sales in the last 12 months
- Owen Britton Jennings - $1.16M in XYZ purchases and sales in the last 12 months
- Chrysty Esperanza - $447K in XYZ purchases and sales in the last 12 months
- Arnaud Weber - $436K in XYZ purchases and sales in the last 12 months
- Ajmere Dale - $167K in XYZ purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Brian Grassadonia?
Brian Grassadonia is a corporate insider, tracked as Ecosystem Lead of Block, Inc. (XYZ). InsiderAlpha holds 17 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 Brian Grassadonia submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Brian Grassadonia been buying or selling stock?
Recorded transactions: 0 open-market purchases and 24 open-market sales ($14.05M) across all tracked filings.
