This is a routine partial exit by a long-term venture investor. The small size relative to market cap suggests no material overhang. Monitor for any subsequent Form 4 filings to confirm whether the sale was executed.
Price Chart
Executive Summary
Atlas Venture Fund X, L.P., a major venture capital shareholder of Disc Medicine (IRON), filed a Form 144 notice of intent to sell 6,965 shares of common stock, with an estimated aggregate market value of approximately $549,747.45. This is a routine partial sale by a venture investor and does not signal a change in company fundamentals.
Key Facts
- Filer: Atlas Venture Fund X, L.P. (a venture capital fund and major shareholder).
- Shares proposed for sale: 6,965 shares of common stock.
- Estimated aggregate market value: approximately $549,747.45.
- Form 144 is an advance notice of intent to sell; the sale may or may not be executed.
- Shares were originally acquired on 05/01/2020 via private placement from the issuer.
Financial Impact
Approximately $549,747 in proposed insider sale by a venture capital fund; represents a small fraction of the fund's total holdings and a negligible percentage of the company's market cap.
Risk Factors
- Insider selling, even by venture investors, can create modest short-term selling pressure.
- If this is the start of a larger distribution by Atlas Venture, future filings could signal a more significant overhang.
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001628280-26-066535 |
| Document: 0001628280-26-066535-index.html | 0001628280-26-066535 |
| Document: 0001628280-26-066535.txt | 0001628280-26-066535 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 2d ago | SC 13D/A | $79.90 | awaiting T+20 | awaiting T+20 | $83.20 (+4.13%) |
Oct 22, 2026 6d ago | 8-K | $74.51 | awaiting T+20 | awaiting T+20 | $83.20 (−11.66%) |
Oct 21, 2026 7d ago | 424B5 | $75.03 | awaiting T+20 | awaiting T+20 | $83.20 (−10.89%) |
Oct 21, 2026 7d ago | 144 | $75.03 | awaiting T+20 | awaiting T+20 | $83.20 (+10.89%) |
Oct 21, 2026 7d ago | 144 | $75.03 | awaiting T+20 | awaiting T+20 | $83.20 (+10.89%) |
Oct 21, 2026 7d ago | 144 | $75.03 | awaiting T+20 | awaiting T+20 | $83.20 (+10.89%) |
Oct 20, 2026 8d ago | 144 | $76.00 | awaiting T+20 | awaiting T+20 | $83.20 (+9.47%) |
Oct 20, 2026 8d ago | 144 | $76.00 | awaiting T+20 | awaiting T+20 | $83.20 (+9.47%) |
Oct 20, 2026 8d ago | 144 | $76.00 | awaiting T+20 | awaiting T+20 | $83.20 (+9.47%) |
Oct 19, 2026 9d ago | 424B5 | $79.48 | awaiting T+20 | awaiting T+20 | $83.20 (−4.68%) |
US Market Status
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