Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Donald William Nicholson 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.
- AI DMI LLC - $59.87M in IRON purchases and sales in the last 12 months
- Kevin Bitterman - $23.26M in IRON purchases and sales in the last 12 months
- John D. Quisel - $8.31M in IRON purchases and sales in the last 12 months
- Jonathan Yen-Wen Yu - $5.59M in IRON purchases and sales in the last 12 months
- William Jacob Savage - $2.27M in IRON purchases and sales in the last 12 months
- Rahul Khara - $1.87M in IRON purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Donald William Nicholson?
Donald William Nicholson is a corporate insider of Disc Medicine, Inc. (IRON). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Donald William Nicholson last file a Form 4?
The most recent primary Form 4 on record is dated 23 June 2026, one of 2 filings going back to 2026.
