STOCK TITAN

Disc Medicine (NASDAQ: IRON) CLO sells 5,000 shares after option exercise

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Disc Medicine, Inc. Chief Legal Officer Rahul Khara exercised 5,000 stock options for common stock at an exercise price of $14.69 per share and acquired 5,000 shares, then sold 5,000 common shares at $80.00 per share on August 6, 2026. Following the exercise, 49,804 option shares tied to this award remained outstanding. All reported transactions were effected under a Rule 10b5-1 trading plan adopted on March 19, 2026.

Positive

  • None.

Negative

  • None.
Insider Khara Rahul
Role Chief Legal Officer
Sold 5,000 shs ($400K)
Approx. gross sale proceeds $400K
Approx. exercise cost $73K
Approx. pre-tax spread $327K
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) F1, F3 5,000 $0.00 $0.00
Exercise Common Stock F1, F2 5,000 $14.69 $73K
Sale Common Stock F1, F2 5,000 $80.00 $400K
Holdings After Transaction: Stock Option (Right to Buy) — 49,804 shares (Direct); Common Stock — 52,324 shares (Direct)
Footnotes (3)
  1. F1. The transactions reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on March 19, 2026.
  2. F2. Includes 151 shares purchased pursuant to the Disc Medicine, Inc. Amended and Restated 2021 Employee Stock Purchase Plan on July 31, 2026.
  3. F3. The shares underlying this option are fully vested and exercisable as of the date hereof.
Options exercised 5,000 shares Stock options for common stock exercised on August 6, 2026
Exercise price $14.69 per share Exercise or conversion price of the Stock Option (Right to Buy)
Shares sold 5,000 shares Common stock sale on August 6, 2026
Sale price $80.00 per share Price per share for sale of Disc Medicine common stock
Options remaining 49,804 shares Stock Option (Right to Buy) shares following reported option exercise
ESPP shares included 151 shares Common shares purchased under the 2021 Employee Stock Purchase Plan on July 31, 2026
10b5-1 plan adoption date March 19, 2026 Adoption date of Rule 10b5-1 trading plan governing these transactions
Rule 10b5-1 trading plan regulatory
"transactions reported were effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Stock Option (Right to Buy) financial
"security_title listed as Stock Option (Right to Buy)"
Employee Stock Purchase Plan financial
"purchased pursuant to the Amended and Restated 2021 Employee Stock Purchase Plan"
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

How many Disc Medicine (IRON) options did Rahul Khara exercise and at what price?

He exercised 5,000 stock options for Disc Medicine (IRON) common stock at an exercise price of $14.69 per share. These options were fully vested and exercisable as of the transaction date, according to the filing’s option-related footnote.

How many Disc Medicine (IRON) shares did Rahul Khara sell and at what price?

Khara sold 5,000 shares of Disc Medicine (IRON) common stock at $80.00 per share on August 6, 2026. The transaction is coded as a sale of non-derivative common stock following the exercise of corresponding stock options.

Were Rahul Khara’s Disc Medicine (IRON) transactions made under a Rule 10b5-1 plan?

Yes. All reported transactions were effected under a Rule 10b5-1 trading plan adopted on March 19, 2026. The plan status is confirmed both by a filing-level checkbox and by a specific trading-plan footnote tied to the transactions.

How many stock options remain after Rahul Khara’s August 6, 2026 Disc Medicine (IRON) transactions?

After exercising 5,000 options, the filing reports 49,804 option shares remaining for the referenced Stock Option (Right to Buy). This figure reflects the total shares underlying that derivative security following the August 6, 2026 exercise.

What does the Employee Stock Purchase Plan footnote mean for Disc Medicine (IRON) holdings?

A footnote states that Khara’s reported common share holdings include 151 shares purchased under the Disc Medicine, Inc. Amended and Restated 2021 Employee Stock Purchase Plan on July 31, 2026, clarifying that these ESPP shares are part of his direct ownership.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Khara Rahul

(Last)(First)(Middle)
C/O DISC MEDICINE, INC.
321 ARSENAL STREET, SUITE 101

(Street)
WATERTOWN MASSACHUSETTS 02472

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Disc Medicine, Inc. [ IRON ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Legal Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/06/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock08/06/2026M(1)5,000A$14.6957,324(2)D
Common Stock08/06/2026S(1)5,000D$8052,324(2)D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$14.6908/06/2026M(1)5,000 (3)02/07/2032Common Stock5,000$049,804D
Explanation of Responses:
1. The transactions reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on March 19, 2026.
2. Includes 151 shares purchased pursuant to the Disc Medicine, Inc. Amended and Restated 2021 Employee Stock Purchase Plan on July 31, 2026.
3. The shares underlying this option are fully vested and exercisable as of the date hereof.
By: /s/ Rahul Khara08/07/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)