Monitor for any subsequent Form 4 filings to confirm whether the sale was executed. This is a routine administrative filing from a venture backer and carries no immediate read-through for the stock.
Price Chart
Executive Summary
Atlas Venture Fund XII, L.P., a major venture capital shareholder of Disc Medicine (IRON), filed a Form 144 notice of intent to sell 55 shares of common stock. The filing is a routine advance notice from a large pre-IPO investor and does not disclose the total stake or market cap context, making the signal minimal.
Key Facts
- Atlas Venture Fund XII, L.P. filed a Form 144 on 2026-10-20 indicating intent to sell 55 shares of Disc Medicine common stock.
- The shares were originally acquired in a private placement on 2020-05-01.
- The filing does not specify the total holdings of the selling shareholder or the company's market cap.
- Form 144 is an advance notice of intent to sell; the sale may not occur.
Financial Impact
55 shares, negligible relative to typical institutional holdings; no dollar value stated in the filing.
Risk Factors
- Insider selling signal is minimal given the very small share count (55 shares).
- No additional context on the seller's remaining stake or the company's financial condition is provided in this filing.
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001628280-26-066534 |
| Document: 0001628280-26-066534-index.html | 0001628280-26-066534 |
| Document: 0001628280-26-066534.txt | 0001628280-26-066534 |
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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