None of the 29 investors followed here reported a position in IRON in their latest filing.
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a IRON trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Sep 14, 2026 | Quisel John DChief Executive Officer | Conversion of Exercise of derivative security at price 1.01 per share. | 36K | $36.36K |
| Sep 10, 2026 | Bitterman Kevin JDirector | Conversion of Exercise of derivative security at price 38.85 - 50.86 per share. | 27.1K | $1.22M |
| Sep 10, 2026 | Bitterman Kevin JDirector | Sale at price 70.11 per share. | 27.1K | $1.90M |
| Sep 3, 2026 | Bitterman Kevin JDirector | Sale at price 79.96 per share. | 1.7K | $135.05K |
| Sep 2, 2026 | Bitterman Kevin JDirector | Sale at price 79.95 - 80.98 per share. | 54.5K | $4.37M |
| Aug 24, 2026 | Yu Jonathan Yen-WenChief Operating Officer | Conversion of Exercise of derivative security at price 13.50 per share. | 9.1K | $122.80K |
| Aug 24, 2026 | Yu Jonathan Yen-WenChief Operating Officer | Sale at price 82.53 - 83.12 per share. | 9.1K | $755.85K |
| Aug 16, 2026 | Quisel John DChief Executive Officer | Conversion of Exercise of derivative security at price 13.50 per share. | 33K | $445.50K |
| Aug 16, 2026 | Quisel John DChief Executive Officer | Sale at price 78.11 - 79.84 per share. | 33K | $2.61M |
| Aug 11, 2026 | Yu Jonathan Yen-WenChief Operating Officer | Conversion of Exercise of derivative security at price 13.50 per share. | 804 | $10.85K |
| Aug 11, 2026 | Yu Jonathan Yen-WenChief Operating Officer | Sale at price 82.64 per share. | 804 | $66.44K |
| Aug 5, 2026 | Khara RahulOfficer | Conversion of Exercise of derivative security at price 14.69 per share. | 5K | $73.45K |
| Aug 5, 2026 | Khara RahulOfficer | Sale at price 80.00 per share. | 5K | $400.00K |
| Jul 12, 2026 | Quisel John DChief Executive Officer | Conversion of Exercise of derivative security at price 9.86 - 13.50 per share. | 33K | $352.37K |
| Jul 12, 2026 | Quisel John DChief Executive Officer | Sale at price 74.27 - 76.05 per share. | 33K | $2.47M |
| Jul 6, 2026 | Yu Jonathan Yen-WenChief Operating Officer | Conversion of Exercise of derivative security at price 13.50 per share. | 100 | $1.35K |
| Jul 6, 2026 | Yu Jonathan Yen-WenChief Operating Officer | Sale at price 82.50 per share. | 100 | $8.25K |
| Jun 28, 2026 | Khara RahulOfficer | Conversion of Exercise of derivative security at price 14.69 per share. | 2.5K | $36.73K |
| Jun 28, 2026 | Khara RahulOfficer | Sale at price 75.00 per share. | 2.5K | $187.50K |
| Jun 25, 2026 | Yu Jonathan Yen-WenChief Operating Officer | Conversion of Exercise of derivative security at price 13.50 per share. | 300 | $4.05K |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -2.6 | -13.8 | -4.0 | 3.1 | 5.5 | 5.1 | 5.3 | 2.1 | -16.8 | -11.9 | −27.4% | ||
| 2025 | -12.0 | 0.7 | -11.6 | -0.4 | -5.5 | 13.5 | 12.8 | -0.2 | 10.8 | 30.5 | 8.3 | -14.9 | +25.3% |
| 2024 | 13.8 | 4.4 | -9.3 | -55.3 | 21.9 | 32.8 | -4.2 | 17.7 | -3.3 | -8.8 | 41.6 | -0.1 | +9.8% |
| 2023 | 10.6 | 13.6 | -15.2 | 54.5 | 13.4 | 19.6 | 11.7 | 6.8 | -11.3 | -2.5 | 20.5 | 4.7 | +190.4% |
| 2022 | -32.6 | -30.6 | 2.2 | 8.6 | -15.2 | 32.0 | -9.5 | 1.3 | 5.8 | 9.8 | -4.4 | -61.5 | −77.2% |
| 2021 | 7.3 | 28.8 | -10.9 | -13.7 | 5.2 | -47.4 | -37.1 | 20.9 | -17.9 | -5.9 | -27.4 | 5.4 | −73.5% |
| 2020 | 1.8 | -10.7 | 0.3 | 9.7 | −0.0% |
Disc Medicine, Inc., together with its subsidiaries, a clinical-stage biopharmaceutical company, engages in the discovery, development, and commercialization of novel treatments for patients suffering from serious hematologic diseases in the United States. The company has assembled a portfolio of clinical and preclinical product candidates that aim to modify fundamental biological pathways associated with the formation and function of red blood cells, primarily heme biosynthesis and iron homeostasis. Its pipeline includes bitopertin for the treatment of erythropoietic porphyrias, including erythropoietic protoporphyria, X-linked protoporphyria, and diamond-blackfan anemia; DISC-0974 for the treatment of anemia of myelofibrosis, and anemia of chronic kidney disease; and DISC-3405 for the treatment of polycythemia vera, and other hematologic disorders. It also develops preclinical programs include DISC-0998, for the treatment of anemia associated with inflammatory diseases. The company was founded in 2017 and is headquartered in Watertown, Massachusetts.
Buy / hold / sell counts