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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb 17, 2026 (view filing) | Feb 17 | Same day | Quisel John DChief Executive Officer | SSale | −13.3K | $62.86 | −$833.8K | −5.5%226.1K after | |
| Feb 17, 2026 (view filing) | Feb 17 | Same day | Yu Jonathan Yen-WenChief Operating Officer | SSale | −3.23K | $62.86 | −$203.1K | −5.6%54.3K after | |
| Feb 17, 2026 (view filing) | Feb 17 | Same day | Savage William JacobChief Medical Officer | SSale | −3.26K | $62.86 | −$204.7K | −3.4%92.6K after | |
| Feb 17, 2026 (view filing) | Feb 17 | Same day | Stephenson PamelaChief Commercial Officer | SSale | −5.53K | $62.86 | −$347.7K | −6.4%81.0K after | |
| Feb 17, 2026 (view filing) | Feb 17 | Same day | Khara RahulChief Legal Officer | SSale | −2.85K | $62.86 | −$179.3K | −5.2%52.2K after | |
| Feb 19, 2026 (view filing) | Feb 17-18 | 2 days | Franchi Jean M.Chief Financial Officer | SSale | −11.2K | $64.52 | −$719.7K | −13.5%71.3K after | 3 lots10b5-1 |
| Feb 27, 2026 (view filing) | Feb 25 | 2 days | Franchi Jean M.Chief Financial Officer | SSale | −353 | $69.06 | −$24.4K | −0.5%71.0K after | 10b5-1 |
| Mar 4, 2026 (view filing) | Mar 2 | 2 days | Savage William JacobChief Medical Officer | SSale | −7.38K | $65.88 | −$486.1K | −8.0%85.2K after | 2 lots10b5-1 |
| Apr 15, 2026 (view filing) | Apr 13-14 | 2 days | Franchi Jean M.Chief Financial Officer | SSale | −6.66K | $69.23 | −$460.8K | −9.4%64.3K after | 2 lots10b5-1 |
| Apr 15, 2026 (view filing) | Apr 13 | 2 days | Savage William JacobChief Medical Officer | SSale | −5.73K | $66.38 | −$380.5K | −6.7%79.5K after | 2 lots10b5-1 |
| Jun 18, 2026 (view filing) | Jun 16 | 2 days | Yu Jonathan Yen-WenChief Operating Officer | SSale | −18.6K | $69.19 | −$1.29M | −25.5%54.3K after | 2 lots10b5-1 |
| Jun 23, 2026 (view filing) | Jun 18 | 5 days | Quisel John DChief Executive Officer | SSale | −34.0K | $70.22 | −$2.39M | −13.1%226.1K after | 3 lots10b5-1 |
| Jun 23, 2026 (view filing) | Jun 18 | 5 days | Khara RahulChief Legal Officer | SSale | −7.50K | $70.22 | −$526.7K | −12.6%52.2K after | 3 lots10b5-1 |
| Jun 24, 2026 (view filing) | Jun 22 | 2 days | Yu Jonathan Yen-WenChief Operating Officer | SSale | −9.70K | $72.66 | −$704.8K | −15.2%54.3K after | 10b5-1 |
| Jun 30, 2026 (view filing) | Jun 26 | 4 days | Yu Jonathan Yen-WenChief Operating Officer | SSale | −300 | $72.50 | −$21.8K | −0.5%54.3K after | 10b5-1 |
| Jun 30, 2026 (view filing) | Jun 26-29 | 4 days | Khara RahulChief Legal Officer | SSale | −2.50K | $75.00 | −$187.5K | −4.6%52.2K after | 2 lots10b5-1 |
| Jul 9, 2026 (view filing)7:35 PM ET | Jul 7 | 2 days | Yu Jonathan Yen-WenChief Operating Officer | SSale | −100 | $82.50 | −$8.25K | −0.2%54.3K after | 10b5-1 |
| Jul 14, 2026 (view filing)6:32 PM ET | Jul 13 | 1 day | Quisel John DChief Executive Officer | SSale | −33.0K | $74.96 | −$2.47M | −12.7%226.1K after | 3 lots10b5-1 |
| Aug 7, 2026 (view filing)5:32 PM ET | Aug 6 | 1 day | Khara RahulChief Legal Officer | SSale | −5.00K | $80.00 | −$400.0K | −8.7%52.3K after | 10b5-1 |
| Aug 14, 2026 (view filing)7:14 PM ET | Aug 12 | 2 days | Yu Jonathan Yen-WenChief Operating Officer | SSale | −804 | $82.64 | −$66.4K | −1.5%54.3K after | 10b5-1 |
| Aug 18, 2026 (view filing)6:56 PM ET | Aug 17 | 1 day | Quisel John DChief Executive Officer | SSale | −33.0K | $79.15 | −$2.61M | −12.7%226.1K after | 3 lots10b5-1 |
| Aug 26, 2026 (view filing)8:10 PM ET | Aug 24-25 | 2 days | Yu Jonathan Yen-WenChief Operating Officer | SSale | −9.10K | $83.10 | −$755.9K | −14.3%54.3K after | 2 lots10b5-1 |
| Sep 3, 2026 (view filing)5:43 PM ET | Sep 1-3 | 2 days | Bitterman KevinDirector | SSale | −54.5K | $80.15 | −$4.37M | −80.2%13.4K after | 12 lots10b5-1 |
| Sep 9, 2026 (view filing)4:23 PM ET | Sep 4 | 5 days | Bitterman KevinDirector | SSale | −1.69K | $79.96 | −$135.1K | −11.2%13.4K after | 3 lots10b5-1 |
| Sep 15, 2026 (view filing)4:30 PM ET | Sep 11 | 4 days | Bitterman KevinDirector | SSale | −27.1K | $70.11 | −$1.90M | −100.0%0 after |