Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Robin Diamonte 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.
- Joseph D. Mansueto - $75.76M in MORN purchases and sales in the last 12 months
- William M. Lyons - $324K in MORN purchases and sales in the last 12 months
- Michael Holt - $231K in MORN purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Robin Diamonte?
Robin Diamonte is a corporate insider, tracked as Director of Morningstar, Inc. (MORN). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Robin Diamonte last file a Form 4?
The most recent primary Form 4 on record is dated 19 May 2026, one of 2 filings going back to 2025.
