Disc Medicine holder to sell 2,810 shares
Atlas Venture Opportunity Fund I filed a Rule 144 notice to sell 2,810 IRON common shares previously acquired in a 2020 private placement.
Rhea-AI Filing Summary
Disc Medicine, Inc. (IRON) received a Rule 144 notice indicating that Atlas Venture Opportunity Fund I plans to sell common stock of the company. The notice covers 2,810 shares of common stock, with an aggregate market value of $224,940.50, to be sold through Merrill Lynch.
The shares relate to stock originally acquired on May 1, 2020 in a private placement for cash. At the time of the notice, Disc Medicine reports 38,392,844 shares of common stock outstanding. Additional recent sales by the same holder are referenced in an attached Table II.
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Key Figures
Shares to be sold under Rule 144: 2,810 shares
Aggregate market value of shares: $224,940.50
Shares outstanding: 38,392,844 shares
+2 more
5 metrics
Shares to be sold under Rule 144
2,810 shares
Common stock of Disc Medicine, Inc. covered by the notice
Aggregate market value of shares
$224,940.50
Value of the 2,810 common shares to be sold
Shares outstanding
38,392,844 shares
Common stock outstanding for Disc Medicine, Inc. as reported in the notice
Acquisition date of securities
May 1, 2020
Date the shares were acquired in a private placement for cash
Date of Rule 144 notice
September 3, 2026
Date the Form 144 notice was signed and dated
Key Terms
Rule 144, private placement, aggregate market value, Form 144
4 terms
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
private placement financial
"Common Stock | 05/01/2020 | Private Placement | Issuer"
A private placement is a sale of securities directly to a selected group of investors, typically institutions or accredited investors, instead of through a public offering. It lets a company raise money faster and with fewer regulatory steps; for existing shareholders it matters because the newly issued shares, often sold at a discount, increase the share count and can dilute their ownership.
aggregate market value financial
"Common Stock | Merrill Lynch ... | 2810 | 224940.5 | 38392844"
Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.
Form 144 regulatory
"144: Securities To Be Sold"
Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.
FAQ
What does the Form 144 filing mean for Disc Medicine, Inc. (IRON)?
The filing states that Atlas Venture Opportunity Fund I intends to sell 2,810 shares of Disc Medicine common stock under Rule 144. This is a notice of a potential resale by an existing holder, not an issuance of new shares by the company.
When was the Rule 144 notice for Disc Medicine (IRON) filed?
The Form 144 notice is dated September 3, 2026. It also references additional sales of securities over the prior three months, which are described in an attached Table II not included here.
AI-generated analysis. How Rhea-AI works. Not financial advice.
