Disc Medicine, Inc. (IRON)
Nasdaq: IRON · Pharmaceutical Preparations · Watertown, MA · filing with the SEC since 2020
Who runs Disc Medicine, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Quisel John D
Chief Executive Officer. First filing Jan 2023, latest Sep 16, 2026, 11 filings in all.
Officers reporting now
7
of 13 people with a filing in the last fifteen months
Directors reporting now
6
41 people on the record since 2020
Officerssales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Savage William Jacob | Chief Medical Officer | Jan 2023 | Nov 12, 2026 | 9 · $3.6M |
| Quisel John D | Chief Executive Officer | Jan 2023 | Sep 16, 2026 | 14 · $12.0M |
| Yu Jonathan Yen-Wen | Chief Operating Officer | Jan 2023 | Aug 26, 2026 | 9 · $3.0M |
| Khara Rahul | Chief Legal Officer | Jan 2023 | Aug 7, 2026 | 11 · $1.9M |
| Gemayel Georges | Executive Chair of the Board | May 2021 | Jun 23, 2026 | none |
| Franchi Jean M. | Chief Financial Officer | Feb 2024 | Apr 15, 2026 | 6 · $1.2M |
| Stephenson Pamela | Chief Commercial Officer | Feb 2024 | Feb 17, 2026 | 1 · $300,000 |
Directorssales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Bitterman Kevin | director | Jan 2023 | Oct 21, 2026 | 47 · $26.7M |
| Ahmed Nadim | director | Jul 2025 | Jun 23, 2026 | none |
| Chin Mark | director | Jan 2023 | Jun 23, 2026 | none |
| Nicholson Donald William | director | Jan 2023 | Jun 23, 2026 | none |
| Ratcliffe Liam | director | Jan 2023 | Jun 23, 2026 | none |
| White William Richard | director | Jan 2023 | Jun 23, 2026 | none |
Owners of more than 10% of a classsales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Access Industries Holdings LLC | 10% owner | Jan 2023 | Oct 24, 2025 | none |
| Access Industries Management, LLC | 10% owner | Jan 2023 | Oct 24, 2025 | none |
| Ai Dmi LLC | 10% owner | Jan 2023 | Oct 24, 2025 | none |
| Blavatnik Len | 10% owner | Jan 2023 | Oct 24, 2025 | none |
Earlier names on the record44, newest filing first
Ashiya Mona · director · last filing Jun 2025Orbimed Advisors LLC · director · last filing Mar 2025Orbimed Capital Gp Vi LLC · director · last filing Mar 2025Orbimed Capital Gp Viii LLC · director · last filing Mar 2025Orbimed Genesis Gp LLC · director · last filing Mar 2025Bryce Joanne · officer · last filing Mar 2024Atlas Venture Associates Opportunity I, L.P. · 10% owner · last filing Jan 2024Atlas Venture Associates Opportunity I, LLC · 10% owner · last filing Jan 2024Atlas Venture Associates Opportunity II, LLC · 10% owner · last filing Jan 2024Atlas Venture Associates Opportunity II, LP · 10% owner · last filing Jan 2024Atlas Venture Associates X, L.P. · 10% owner · last filing Jan 2024Atlas Venture Associates X, LLC · 10% owner · last filing Jan 2024Atlas Venture Fund X, L.P. · 10% owner · last filing Jan 2024Atlas Venture Opportunity Fund I, L.P. · 10% owner · last filing Jan 2024Atlas Venture Opportunity Fund II, L.P. · 10% owner · last filing Jan 2024Macdonald Brian Richard · officer · last filing Jun 2023Novo Holdings A/s · 10% owner · last filing Jun 2023Backstrom Jay T. · director · last filing Jan 2023Leonard Braden Michael · 10% owner · last filing Oct 2022Piekos Brian · officer · last filing Jun 2022Lubner David Charles · director · last filing Mar 2022Ong Tuyen · director · last filing Mar 2022Meyenburg Jason Patrick · officer · last filing Jan 2022Tananbaum James B. · officer · last filing Oct 2021Gordon Carl L · director · last filing Oct 2021Rhodes Jason P · director · last filing Oct 2021Strapps Walter · officer · last filing May 2021Barone Samuel B. · officer · last filing Apr 2021Lauder Scott · officer · last filing Apr 2021Redmond Precillia · officer · last filing Apr 2021Uknis Marc · officer · last filing Apr 2021George Jean · director · last filing Feb 2021Carusi Michael A · 10% owner · last filing Feb 2021Lightstone Singapore Associates, LLC · 10% owner · last filing Feb 2021Lightstone Singapore, L.P. · 10% owner · last filing Feb 2021Lightstone Ventures (A), L.P. · 10% owner · last filing Feb 2021Lightstone Ventures, L.P. · 10% owner · last filing Feb 2021Beloff Gregg · officer · last filing Feb 2021Rome Michael E · officer · last filing Aug 2020Ryan Dennis D · officer · last filing Aug 2020Bajaj Vikram · director · last filing Aug 2020Carey Robert · director · last filing Aug 2020Dubin Daniel · director · last filing Aug 2020Pakianathan Deepika · director · last filing Aug 2020
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.