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Disc Medicine IRON Business Segments

TTM Q1 '26TTM Q4 '25TTM Q3 '25TTM Q2 '25TTM Q1 '25
Research And Development Expense by Product
Bitopertin$59.73M+98.0%$58.83M+109%$51.32M+105%$46.75M+111%$30.17M+56.1%
DISC Three Four Zero Five$25.21M+131%$17.69M+27.0%$17.6M+4.3%$8.94M-52.1%$10.9M-45.0%
DISC Zero Nine Seven Four$29.57M+53.3%$27.59M+62.8%$22.32M+48.6%$20.62M+77.3%$19.29M+81.6%
Internal Research And Development$41.51M+65.2%$36.95M+55.4%$33.6M+61.4%$28.48M+47.8%$25.13M+43.4%
Other Research$13.93M+99.3%$13.6M+97.7%$11.02M+81.2%$8.16M+35.2%$6.99M+32.3%

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Questions, answered.

How does Disc Medicine break its business down?
Disc Medicine (IRON) reports research and development expense by product across 5 parts — Bitopertin, DISC Three Four Zero Five, DISC Zero Nine Seven Four, Internal Research And Development and Other Research. Each is extracted from the segment footnotes and tracked over time.
Where does Disc Medicine's segment data come from?
Segment breakdowns are pulled from the segment footnotes in Disc Medicine's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.