| $385M | ||
| $350M | ||
| $215M | ||
| $94M | ||
| $82M | ||
| $62M |
Buys | $0 | 0 | 0 |
Sells | $89,249,058 | 50 | 100 |
| Stephenson Pamela | Chief Commercial Officer | 0 | $0 | 1 | $171,217 | $-171,217 |
| Franchi Jean M. | Chief Financial Officer | 0 | $0 | 4 | $510,511 | $-510,511 |
| Khara Rahul | Chief Legal Officer | 0 | $0 | 4 | $1.06M | $-1.06M |
| Savage William Jacob | Chief Medical Officer | 0 | $0 | 5 | $1.87M | $-1.87M |
| Yu Jonathan Yen-Wen | Chief Operating Officer | 0 | $0 | 2 | $2.63M | $-2.63M |
| Quisel John D | Chief Executive Officer | 0 | $0 | 4 | $6.24M | $-6.24M |
| Ashiya Mona | director | 0 | $0 | 7 | $20.11M | $-20.11M |
| ORBIMED ADVISORS LLC | director | 0 | $0 | 7 | $20.11M | $-20.11M |
| Bitterman Kevin | director | 0 | $0 | 16 | $36.55M | $-36.55M |
Disc Medicine, Inc., a clinical-stage biotechnology company, engages in discovery, development, and commercialization of novel treatments for patients suffering from serious hematologic diseases. It builds a portfolio of therapeutic candidates that address a spectrum of hematologic diseases by targeting fundamental biological pathways of red blood cell biology, primarily heme biosynthesis and iron homeostasis. The company is based in Watertown, Massachusetts.
Over the last 12 months, insiders at Disc Medicine, Inc. have bought $0 and sold $89.25M worth of Disc Medicine, Inc. stock.
On average, over the past 5 years, insiders at Disc Medicine, Inc. have bought $12M and sold $49.27M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 222,223 shares for transaction amount of $8M was made by Bitterman Kevin (director) on 2024‑06‑17.
| 2026-01-20 | Sale | Khara Rahul | Chief Legal Officer | 1,000 0.0025% | $69.74 | $69,740 | +7.59% | |
| 2026-01-02 | Sale | Khara Rahul | Chief Legal Officer | 6,500 0.0171% | $78.69 | $511,472 | -2.36% | |
| 2025-12-17 | Sale | Bitterman Kevin | director | 754 0.0021% | $91.47 | $68,968 | -10.16% | |
| 2025-12-16 | Sale | Bitterman Kevin | director | 68,923 0.1821% | $91.24 | $6.29M | -14.04% | |
| 2025-12-15 | Sale | Savage William Jacob | Chief Medical Officer | 13,093 0.0344% | $91.22 | $1.19M | -14.32% | |
| 2025-12-15 | Sale | Bitterman Kevin | director | 69,693 0.1833% | $91.34 | $6.37M | -14.32% | |
| 2025-12-12 | Sale | Bitterman Kevin | director | 45,507 0.1212% | $92.39 | $4.2M | -13.97% | |
| 2025-12-11 | Sale | Quisel John D | Chief Executive Officer | 40,000 0.1054% | $93.05 | $3.72M | -15.54% | |
| 2025-11-11 | Sale | Yu Jonathan Yen-Wen | Chief Operating Officer | 30,000 0.0803% | $84.70 | $2.54M | +1.13% | |
| 2025-10-17 | Sale | Bitterman Kevin | director | 70,000 0.1991% | $88.91 | $6.22M | -4.25% | |
| 2025-10-16 | Sale | Bitterman Kevin | director | 1,425 0.0043% | $77.11 | $109,882 | +15.88% | |
| 2025-10-15 | Sale | Bitterman Kevin | director | 22,160 0.0639% | $77.23 | $1.71M | +11.87% | |
| 2025-10-08 | Sale | Bitterman Kevin | director | 71,961 0.2079% | $70.58 | $5.08M | +22.40% | |
| 2025-10-07 | Sale | Bitterman Kevin | director | 18,039 0.0523% | $68.38 | $1.23M | +26.51% | |
| 2025-08-22 | Sale | Bitterman Kevin | director | 2,287 0.0067% | $61.03 | $139,576 | +31.05% | |
| 2025-08-14 | Sale | Bitterman Kevin | director | 7,212 0.0208% | $60.99 | $439,860 | +29.39% | |
| 2025-08-13 | Sale | Bitterman Kevin | director | 24,962 0.0719% | $61.15 | $1.53M | +28.36% | |
| 2025-08-05 | Sale | Bitterman Kevin | director | 395 0.0011% | $60.95 | $24,075 | +26.94% | |
| 2025-07-30 | Sale | Bitterman Kevin | director | 8,492 0.0252% | $61.04 | $518,352 | +29.63% | |
| 2025-07-24 | Sale | Bitterman Kevin | director | 13,033 0.038% | $61.17 | $797,229 | +25.59% |
| ORBIMED ADVISORS LLC | director | 186541 0.4941% | $14.24M | 1 | 7 | +10.7% |
| Ashiya Mona | director | 186541 0.4941% | $14.24M | 1 | 7 | +10.7% |
| Quisel John D | Chief Executive Officer | 171828 0.4552% | $13.12M | 0 | 7 | |
| Savage William Jacob | Chief Medical Officer | 75702 0.2005% | $5.78M | 0 | 9 | |
| Stephenson Pamela | Chief Commercial Officer | 69529 0.1842% | $5.31M | 0 | 1 | |
| Franchi Jean M. | Chief Financial Officer | 63499 0.1682% | $4.85M | 0 | 4 | |
| Yu Jonathan Yen-Wen | Chief Operating Officer | 40555 0.1074% | $3.1M | 0 | 2 | |
| Khara Rahul | Chief Legal Officer | 37793 0.1001% | $2.88M | 0 | 5 | |
| Bitterman Kevin | director | 14013 0.0371% | $1.07M | 1 | 18 | +10.7% |
| AI DMI LLC | 10 percent owner | 3141759 8.3225% | $239.81M | 1 | 0 | +100.92% |
| Atlas Venture Fund X, L.P. | 10 percent owner | 198326 0.5254% | $15.14M | 0 | 7 | |
| White William Richard | director | 0 0% | $0 | 0 | 10 |
$11,588,217 | 69 | 42.07% | $2.9B | |
$11,583,737 | 45 | 49.75% | $2.63B | |
$62,927,079 | 29 | 14.02% | $2.28B | |
$61,703,557 | 26 | 40.25% | $3.09B | |
$7,033,101 | 22 | -12.19% | $2.37B | |
$27,105,902 | 21 | -16.06% | $2.83B | |
$137,061,250 | 16 | 23.01% | $3.21B | |
$174,105,409 | 15 | 10.88% | $2.75B | |
$73,814,940 | 15 | -4.77% | $2.67B | |
$92,580,864 | 14 | -1.28% | $3.03B | |
$45,445,266 | 9 | -24.96% | $3.05B | |
$130,038,539 | 8 | 26.82% | $2.46B | |
$32,575,266 | 8 | 37.03% | $2.9B | |
$91,589,325 | 7 | -6.97% | $2.91B | |
$4,623,072 | 7 | 11.07% | $2.34B | |
Disc Medicine, Inc. (IRON) | $24,000,085 | 4 | 33.26% | $2.88B |
$142,493,653 | 3 | 4.30% | $3.09B | |
$9,900,000 | 1 | -7.19% | $3.16B | |
$5,000,000 | 1 | -22.84% | $2.83B |
| Increased Positions | 87 | +59.59% | 5M | +15.47% |
| Decreased Positions | 56 | -38.36% | 5M | -13.44% |
| New Positions | 24 | New | 1M | New |
| Sold Out Positions | 10 | Sold Out | 742,726 | Sold Out |
| Total Postitions | 177 | +21.23% | 35M | +2.02% |
| Fmr Llc | $390,322.00 | 12.99% | 4.94M | +2M | +52.05% | 2025-09-30 |
| Atlas Venture Life Science Advisors, Llc | $169,460.00 | 5.64% | 2.14M | -241,839 | -10.14% | 2025-09-30 |
| Blackrock, Inc. | $159,705.00 | 5.31% | 2.02M | -25,544 | -1.25% | 2025-09-30 |
| Ra Capital Management, L.P. | $124,733.00 | 4.15% | 1.58M | 0 | 0% | 2025-09-30 |
| Vanguard Group Inc | $114,527.00 | 3.81% | 1.45M | +51,323 | +3.67% | 2025-09-30 |
| Frazier Life Sciences Management, L.P. | $113,774.00 | 3.79% | 1.44M | -216,300 | -13.07% | 2025-09-30 |
| Orbimed Advisors Llc | $111,914.00 | 3.72% | 1.42M | 0 | 0% | 2025-09-30 |
| Wellington Management Group Llp | $111,523.00 | 3.71% | 1.41M | -22,013 | -1.54% | 2025-09-30 |
| Price T Rowe Associates Inc /Md/ | $104,907.00 | 3.49% | 1.33M | -189,196 | -12.48% | 2025-09-30 |
| State Street Corp | $82,696.00 | 2.75% | 1.05M | +115,829 | +12.46% | 2025-09-30 |