Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Ellen Costello 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.
- Cantu Ernesto Torres - $7.48M in C purchases and sales in the last 12 months
- Nicole Giles - $3.68M in C purchases and sales in the last 12 months
- Pamela Habner - $3.49M in C purchases and sales in the last 12 months
- Edward Skyler - $3.29M in C purchases and sales in the last 12 months
- Gonzalo Luchetti - $2.30M in C purchases and sales in the last 12 months
- Sunil Garg - $2.13M in C purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Ellen Costello?
Ellen Costello is a corporate insider of CITIGROUP INC (C). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Ellen Costello last file a Form 4?
The most recent primary Form 4 on record is dated 6 January 2026, one of 2 filings going back to 2024.