Ellen Costello

Ellen Costello is a declared insider at 2 companies (board member); the most frequent names are Citigroup Inc and DIEBOLD NIXDORF, Inc. Between 7 May 2021 and 2 January 2026, the trades on record add up to 21 filings.

On the market, this insider has only ever bought: 2 purchases, €95k in total. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Outside the open market, there are 19 share grants.

The record was last updated on 6 January 2026 with a share grant in Citigroup Inc. The latest purchase dates back some time: it was published 1,615 days ago, on 17 May 2022. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 3 days. The legal deadline for a Form 4 is two business days after the transaction. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.