Disc Medicine director granted 6,212 stock options

Disc Medicine director William Richard White received a grant of stock options for 6,212 shares of common stock.

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Form Type

Rhea-AI Filing Summary

Disc Medicine director William Richard White received a grant of stock options for 6,212 shares of common stock. The options have an exercise price of $70.79 per share and expire on June 17, 2036. They vest at the earlier of the company’s 2027 annual stockholder meeting or one year from the grant date, subject to his continued service.

Insider Trade Summary

Grant/Award: 6,212 shares

Grant/Award 1 txn

Insider White William Richard

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	6,212	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 6,212 contracts (Direct)

Footnotes (1)

F1. The shares underlying this option vest upon the first to occur of (i) the date of the Company's 2027 annual meeting of its stockholders, or (ii) the one-year anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date.

Key Figures

Options granted: 6,212 options Exercise price: $70.79 per share Expiration date: June 17, 2036 +2 more

5 metrics

Options granted 6,212 options Stock Option (Right to Buy) grant on June 18, 2026

Exercise price $70.79 per share Exercise price for granted stock options

Expiration date June 17, 2036 Option expiration for this grant

Total options after grant 6,212 options Total derivative holdings reported following transaction

Acquisition price per option $0.00 per option Grant/award acquisition cost for options

Key Terms

Stock Option (Right to Buy), exercise price, expiration date, vesting

4 terms

Stock Option (Right to Buy) financial

"security_title: Stock Option (Right to Buy)"

exercise price financial

"conversion_or_exercise_price: 70.7900"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

expiration date financial

"expiration_date: 2036-06-17T00:00:00.000Z"

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

vesting financial

"shares underlying this option vest upon the first to occur"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Disc Medicine (IRON) report for William Richard White?

Disc Medicine reported that director William Richard White received a grant of stock options for 6,212 shares. These options are a compensation award rather than an open-market trade, reflecting equity-based incentives tied to his continued board service.

What is the exercise price of William Richard White’s new Disc Medicine (IRON) options?

The granted stock options have an exercise price of $70.79 per share. This is the fixed price at which he can buy Disc Medicine common stock if and when the options vest and he chooses to exercise them.

When do William Richard White’s Disc Medicine (IRON) options vest?

The options vest on the earlier of the date of Disc Medicine’s 2027 annual stockholder meeting or the one-year anniversary of the grant date. Vesting is conditioned on William Richard White continuing to serve through that vesting date.

When do William Richard White’s Disc Medicine (IRON) stock options expire?

These stock options expire on June 17, 2036. After that expiration date, William Richard White can no longer exercise them, even if they have vested and would otherwise be in-the-money based on Disc Medicine’s share price.

How many Disc Medicine (IRON) options does William Richard White hold after this grant?

Following this grant, William Richard White holds 6,212 stock options directly. Each option corresponds to one share of Disc Medicine common stock, giving him potential future ownership if the options vest and are exercised.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/23/2026 - 05:04 PM EDT

SEC Form 4

FORM 4

UNITED 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).

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^*

White William Richard

(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)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$70.79	06/18/2026		A		6,212		⁽¹⁾	06/17/2036	Common Stock	6,212	$0	6,212	D

Explanation of Responses:

1. The shares underlying this option vest upon the first to occur of (i) the date of the Company's 2027 annual meeting of its stockholders, or (ii) the one-year anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date.

	By: /s/ Rahul Khara, as Attorney-in-Fact	06/23/2026
	** Signature of Reporting Person	Date
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)

Source: View Original Filing on SEC EDGAR