Disc Medicine, Inc.
IRON- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001816736
In the last 90 days, Disc Medicine, Inc. insiders filed 0 open-market purchases and 9 sales; 216 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Disc Medicine, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 9 filings
- 4 insiders, $12.7M in total
- Insiders trading
- 4
- Net value
- −$12.7M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Disc Medicine, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Quisel John D | Chief Executive Officer | 262,064 | Sep 16, 2026 | 8 |
| Bitterman Kevin | Director | 0 | Sep 15, 2026 | 8 |
| Yu Jonathan Yen-Wen | Chief Operating Officer | 54,324 | Aug 26, 2026 | 9 |
| Khara Rahul | Chief Legal Officer | 52,324 | Aug 7, 2026 | 7 |
| Gemayel Georges | Director | – | Jun 23, 2026 | 1 |
| Ratcliffe Liam | Director | – | Jun 23, 2026 | 1 |
| Ahmed Nadim | Director | – | Jun 23, 2026 | 1 |
| Chin Mark | Director | – | Jun 23, 2026 | 1 |
| White William Richard | Director | 0 | Jun 23, 2026 | 1 |
| Nicholson Donald William | Director | – | Jun 23, 2026 | 1 |
| Franchi Jean M. | Chief Financial Officer | 64,333 | Apr 15, 2026 | 4 |
| Savage William Jacob | Chief Medical Officer | 79,480 | Apr 15, 2026 | 6 |
| Stephenson Pamela | Chief Commercial Officer | 80,998 | Feb 17, 2026 | 2 |
| Blavatnik Len | 10% Owner | 2,814,379 | Oct 24, 2025 | 1 |
| Access Industries Holdings LLC | 10% Owner | 2,814,379 | Oct 24, 2025 | 1 |
| Access Industries Management, LLC | 10% Owner | 2,814,379 | Oct 24, 2025 | 1 |
| AI Dmi LLC | 10% Owner | 2,814,379 | Oct 24, 2025 | 1 |
| Ashiya Mona | Director | 186,541Indirect | Jun 13, 2025 | 0 |
| OrbiMed Advisors LLC | Director | 186,541Indirect | Mar 26, 2025 | 0 |
| OrbiMed Capital GP VI LLC | Director | 186,541Indirect | Mar 26, 2025 | 0 |
| OrbiMed Genesis GP LLC | Director | 186,541Indirect | Mar 26, 2025 | 0 |
| OrbiMed Capital GP VIII LLC | Director | 186,541Indirect | Mar 26, 2025 | 0 |
| Bryce Joanne | Chief Financial Officer | 23,665 | Mar 1, 2024 | 0 |
| Atlas Venture Fund X, L.P. | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| Atlas Venture Associates X, LLC | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| Atlas Venture Associates X, L.P. | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| Atlas Venture Opportunity Fund I, L.P. | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| Atlas Venture Associates Opportunity I, L.P. | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| Atlas Venture Associates Opportunity I, LLC | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| Atlas Venture Opportunity Fund II, L.P. | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| Atlas Venture Associates Opportunity II, LLC | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| Atlas Venture Associates Opportunity II, LP | 10% Owner | 198,326Indirect | Jan 25, 2024 | 0 |
| MacDonald Brian Richard | Chief Innovation Officer | 12,276 | Jun 30, 2023 | 0 |
| Novo Holdings A/S | 10% Owner | 1,090,772 | Jun 28, 2023 | 0 |
| Backstrom Jay T. | Director | – | Jan 3, 2023 | 0 |
| Leonard Braden Michael | 10% Owner | 247,500 | Oct 27, 2022 | 0 |
| Piekos Brian | CFO | 17,615 | Jun 2, 2022 | 0 |
| Lubner David Charles | Director | – | Mar 9, 2022 | 0 |
| Ong Tuyen | Director | – | Mar 9, 2022 | 0 |
| Meyenburg Jason Patrick | Chief Executive Officer | – | Jan 5, 2022 | 0 |
| Gordon Carl L | Director, 10% Owner | – | Oct 6, 2021 | 0 |
| Rhodes Jason P | Director, 10% Owner | – | Oct 6, 2021 | 0 |
| Tananbaum James B. | Director, 10% Owner | – | Oct 6, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 14, 2023 (view filing) | Dec 12-14 | 2 days | Ashiya MonaDirector | SSale | −134.2K | $58.88 | −$7.90M | −15.6%727.8K after | 8 lots |
| Dec 7, 2023 (view filing) | Dec 5 | 2 days | Bryce JoanneChief Financial Officer | SSale | −2.54K | $56.00 | −$142.3K | −50.4%2.50K after | 3 lots10b5-1 |
| Nov 27, 2023 (view filing) | Nov 22 | 5 days | Khara RahulGeneral Counsel | SSale | −10.0K | $51.74 | −$517.4K | −100.0%0 after | 2 lots10b5-1 |
| Nov 15, 2023 (view filing) | Nov 14 | 1 day | Khara RahulGeneral Counsel | SSale | −4.90K | $50.61 | −$248.0K | −100.0%0 after | 2 lots10b5-1 |
| Nov 7, 2023 (view filing) | Nov 3 | 4 days | Khara RahulGeneral Counsel | SSale | −100 | $50.00 | −$5.00K | −100.0%0 after | 10b5-1 |
| Sep 18, 2023 (view filing)4:59 PM ET | Sep 14-16 | 4 days | Atlas Venture Fund X, L.P. and 2 others10% Owner | SSale | −357.4K | $53.13 | −$19.0M | −18.3%1.59M after | 3 lots |
| Sep 5, 2023 (view filing) | Sep 1 | 4 days | Bryce JoanneChief Financial Officer | SSale | −1.00K | $52.99 | −$53.0K | −44.2%1.26K after | 10b5-1 |
| Aug 17, 2023 (view filing) | Aug 15 | 2 days | Bitterman KevinDirector | SSale | −72.9K | $52.40 | −$3.82M | −7.6%882.2K after | Duplicate filing |
| Aug 16, 2023 (view filing)6:55 PM ET | Aug 14-15 | 2 days | Atlas Venture Fund X, L.P. and 5 others10% Owner | SSale | −286.1K | $52.52 | −$15.0M | −12.8%1.95M after | 4 lots |
| Aug 16, 2023 (view filing)6:55 PM ET | Aug 15 | 1 day | Atlas Venture Fund X, L.P. and 5 others10% Owner | SSale | −72.9K | $52.40 | −$3.82M | −7.6%882.2K after | |
| Aug 16, 2023 (view filing) | Aug 15 | 1 day | Savage William JacobChief Medical Officer | SSale | −7.67K | $52.95 | −$406.2K | −100.0%0 after | 3 lots10b5-1 |
| Aug 11, 2023 (view filing) | Aug 9 | 2 days | Savage William JacobChief Medical Officer | SSale | −8.27K | $49.83 | −$412.1K | −51.9%7.67K after | 3 lots10b5-1 |
| Aug 3, 2023 (view filing) | Aug 1 | 2 days | Bryce JoanneChief Financial Officer | SSale | −4.52K | $49.91 | −$225.6K | −78.2%1.26K after | 2 lots10b5-1 |
| Jun 30, 2023 (view filing) | Jun 28-30 | 2 days | MacDonald Brian RichardChief Innovation Officer | SSale | −14.5K | $47.03 | −$683.0K | −53.0%12.9K after | 9 lots10b5-1 |
| Jun 30, 2023 (view filing) | Jun 30 | Same day | MacDonald Brian RichardChief Innovation Officer | SSale | +600 | $46.76 | +$28.1K | +5.1%12.3K after | 10b5-1 |
| Jun 30, 2023 (view filing) | Jun 28 | 2 days | Bryce JoanneChief Financial Officer | SSale | −10.1K | $49.95 | −$503.1K | −88.9%1.26K after | 3 lots10b5-1 |
| Jun 30, 2023 (view filing) | Jun 28 | 2 days | Savage William JacobChief Medical Officer | SSale | −4.38K | $49.98 | −$219.1K | −21.6%15.9K after | 3 lots10b5-1 |
| Jun 28, 2023 (view filing) | Jun 28 | Same day | Novo Holdings A/S10% Owner | SSale | −1.25M | $46.10 | −$57.6M | −53.4%1.09M after | |
| Jun 20, 2023 (view filing)4:01 PM ET | Jun 16 | 4 days | Blavatnik Len and 3 others10% Owner | PPurchase | +204.1K | $49.00 | +$10.0M | –204.1K after | Derivative |
| Feb 17, 2023 (view filing)4:43 PM ET | Feb 15 | 2 days | OrbiMed Advisors LLC and 3 othersDirector, 10% Owner | PPurchase | +108.7K | $23.00 | +$2.50M | +57.1%299.2K after | 3 lotsDuplicate filing |
| Feb 17, 2023 (view filing)4:42 PM ET | Feb 15 | 2 days | Blavatnik Len and 3 others10% Owner | PPurchase | +434.8K | $23.00 | +$10.0M | +16.1%3.14M after | |
| Feb 17, 2023 (view filing) | Feb 15 | 2 days | Ashiya MonaDirector, 10% Owner | PPurchase | +108.7K | $23.00 | +$2.50M | +57.1%299.2K after | 3 lots |
| Oct 27, 2022 (view filing) | Oct 26 | 1 day | Leonard Braden Michael10% Owner | SSale | −22.5K | $2.09 | −$47.0K | −8.3%247.5K after | |
| Apr 13, 2022 (view filing) | Apr 12 | 1 day | Leonard Braden Michael10% Owner | PPurchase | +55.0K | $1.37 | +$75.3K | +25.6%270.0K after | |
| Apr 13, 2022 (view filing) | Apr 11-13 | 2 days | Leonard Braden Michael10% Owner | PPurchase | +900.0K | $1.40 | +$1.26M | +22.0%5.00M after | 3 lots |