STOCK TITAN

[Form 4] Disc Medicine, Inc. Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Positive)
Form Type
4

John D. Quisel, who serves as Chief Executive Officer and a director of Disc Medicine, Inc. (IRON), reported two related transactions dated 09/09/2025. He acquired 10,000 shares of common stock at $1.01 per share, bringing his total direct common stock holdings to 171,828 shares. On the same date he was granted or reported a stock option to buy 10,000 shares with an exercise price of $1.01, exercisable immediately and expiring 03/10/2030, increasing his total beneficial ownership including derivatives to 198,420 shares. The filing states the optioned shares are fully vested and exercisable as of the report date.

John D. Quisel, che ricopre la carica di amministratore delegato e di direttore di Disc Medicine, Inc. (IRON), ha riportato due operazioni correlate datate 09/09/2025. Ha acquistato 10.000 azioni ordinarie al prezzo di 1,01 dollari per azione, portando le sue partecipazioni dirette in azioni ordinarie a 171.828 azioni. Nella stessa data gli è stata concessa o riportata una opzione su azioni per acquistare 10.000 azioni con un prezzo di esercizio di 1,01 dollari, immediatamente eseguibile e con scadenza al 10/03/2030, aumentando la sua proprietà complessiva beneficiaria, inclusi i derivati, a 198.420 azioni. La dichiarazione indica che le azioni con opzione sono completamente vestite ed esercitabili alla data del rapporto.

John D. Quisel, quien se desempeña comoDirector Ejecutivo y director de Disc Medicine, Inc. (IRON), informó de dos operaciones relacionadas con fecha 09/09/2025. Adquirió 10.000 acciones ordinarias a 1,01 dólares por acción, lo que eleva sus participaciones directas en acciones ordinarias a 171.828 acciones. En la misma fecha se le otorgó o informó una opción de compra de acciones para 10.000 acciones con un precio de ejercicio de 1,01 dólares, ejercitable de inmediato y que expira el 10/03/2030, aumentando su titularidad total beneficiosa, incluidas las derivadas, a 198.420 acciones. El informe indica que las acciones con opción están totalmente adquiridas y ejercitables a la fecha del informe.

John D. Quisel은 Disc Medicine, Inc. (IRON)의 최고경영자이자 이사로 재직 중이며, 2025년 9월 9일로 날짜가 표시된 두 건의 관련 거래를 보고했습니다. 일반주식 10,000주를 주당 1.01달러에 인수하였고, 이로써 그의 직접 보유 일반주식은 171,828주로 늘었습니다. 같은 날짜에 주식 매수 옵션 10,000주를 부여 받거나 보고되었으며 행사가격은 1.01달러, 즉시 실행 가능하고 만료일은 2030년 3월 10일이며, 파생상품을 포함한 그의 유익한 소유권은 198,420주로 증가했습니다. 보고서에 따르면 옵션 주식은 보고일 현재 완전히 귀속되어 행사 가능하다고 명시되어 있습니다.

John D. Quisel, qui occupe le poste de président-directeur général et membre du conseil d’administration de Disc Medicine, Inc. (IRON), a déclaré deux opérations liées datées du 09/09/2025. Il a acquis 10 000 actions ordinaires au prix de 1,01 $ par action, portant ses avoirs directs en actions ordinaires à 171 828 actions. Le même jour, il a reçu ou a été rapporté une option d’achat sur actions pour 10 000 actions avec un prix d’exercice de 1,01 $, immédiatement exerçable et arrivant à échéance le 10/03/2030, augmentant sa propriété bénéficiaire totale, y compris les dérivés, à 198 420 actions. Le dépôt indique que les actions sous option sont entièrement acquises et exerçables à la date du rapport.

John D. Quisel, der als Chief Executive Officer und Direktor von Disc Medicine, Inc. (IRON) tätig ist, hat zwei damit zusammenhängende Transaktionen mit dem Datum 09.09.2025 gemeldet. Er erwarb 10.000 Stammaktien zu je 1,01 USD pro Aktie und erhöhte damit seine direkten Stammaktien auf 171.828 Aktien. Am selben Tag wurde ihm eine Aktienoption zum Kauf von 10.000 Aktien mit einem Ausübungspreis von 1,01 USD eingeräumt bzw. gemeldet, die sofort ausübbar ist und am 10.03.2030 verfällt, wodurch sich sein gesamtes wünschbares Eigentum inklusive Derivate auf 198.420 Aktien erhöht. Der Eintrag gibt an, dass die optionierten Aktien zum Berichtsdatum vollständig vestet und ausübbar sind.

جون د. كويزل، الذي يشغل منصب الرئيس التنفيذي وعضو مجلس إدارة Disc Medicine, Inc. (IRON)، أبلغ عن عمليتين مرتبطتين بتاريخ 09/09/2025. قام بشراء عشرة الآف سهم عادي بسعر 1.01 دولار لكل سهم، مما رفع حيازاته المباشرة من الأسهم العادية إلى 171,828 سهم. في نفس التاريخ حصل أو أُبلغ عن خيار شراء أسهم لـ 10,000 سهم بسعر ممارسة قدره 1.01 دولار، قابل للتنفيذ فوراً ومن المقرر انتهاءه في 10/03/2030، وبالتالي زاد ملكيته المفيدة الإجمالية بما في ذلك المشتقات إلى 198,420 سهم. كما توضح الإفادة أن الأسهم الممنوحة كخيار مكتملة الاستحقاق وقابلة للتصرف عند تاريخ الإبلاغ.

John D. Quisel,现任 Disc Medicine, Inc.(IRON)的首席执行官兼董事,报告了两笔日期为 2025 年 9 月 9 日的相关交易。他以每股 1.01 美元购买了 10,000 股普通股,使其直接持有的普通股总数达到 171,828 股。同日他获授或报告了一个 购买 10,000 股的股票期权,行权价为 1.01 美元,可立即行使,期限至 2030 年 3 月 10 日,使其包括衍生工具在内的累计受益所有权增加至 198,420 股。 filings 指出,期权股在报告日已全部归属且可行使。

Positive
  • CEO and director increased direct ownership to 171,828 shares via a 10,000-share acquisition at $1.01
  • Total beneficial ownership rose to 198,420 shares after adding a fully vested 10,000-share option exercisable immediately
  • Options are fully vested and exercisable, aligning executive incentives with shareholders through 03/10/2030
Negative
  • None.

Insights

TL;DR Insider purchased shares and holds fully vested options, modestly increasing direct and total beneficial ownership.

The Form 4 discloses a direct purchase of 10,000 common shares at $1.01 and a concurrently reported option for 10,000 shares at the same $1.01 exercise price. The reporting person is CEO and director, and the option is fully vested and exercisable through 03/10/2030. For investors, insider purchases by senior executives can signal confidence in company prospects; the recorded transactions materially raise his direct stake to 171,828 shares and total beneficial ownership to 198,420 shares.

TL;DR CEO/director transaction shows alignment of executive incentives via vested options and an additional open-market or grant purchase.

The filing documents both a non-derivative acquisition and a derivative position that is fully vested. From a governance standpoint, the combination of direct share acquisition and vested options increases the CEO's exposure to shareholder outcomes. The filing is routine in form and includes signature by an attorney-in-fact, complying with Section 16 reporting requirements.

John D. Quisel, che ricopre la carica di amministratore delegato e di direttore di Disc Medicine, Inc. (IRON), ha riportato due operazioni correlate datate 09/09/2025. Ha acquistato 10.000 azioni ordinarie al prezzo di 1,01 dollari per azione, portando le sue partecipazioni dirette in azioni ordinarie a 171.828 azioni. Nella stessa data gli è stata concessa o riportata una opzione su azioni per acquistare 10.000 azioni con un prezzo di esercizio di 1,01 dollari, immediatamente eseguibile e con scadenza al 10/03/2030, aumentando la sua proprietà complessiva beneficiaria, inclusi i derivati, a 198.420 azioni. La dichiarazione indica che le azioni con opzione sono completamente vestite ed esercitabili alla data del rapporto.

John D. Quisel, quien se desempeña comoDirector Ejecutivo y director de Disc Medicine, Inc. (IRON), informó de dos operaciones relacionadas con fecha 09/09/2025. Adquirió 10.000 acciones ordinarias a 1,01 dólares por acción, lo que eleva sus participaciones directas en acciones ordinarias a 171.828 acciones. En la misma fecha se le otorgó o informó una opción de compra de acciones para 10.000 acciones con un precio de ejercicio de 1,01 dólares, ejercitable de inmediato y que expira el 10/03/2030, aumentando su titularidad total beneficiosa, incluidas las derivadas, a 198.420 acciones. El informe indica que las acciones con opción están totalmente adquiridas y ejercitables a la fecha del informe.

John D. Quisel은 Disc Medicine, Inc. (IRON)의 최고경영자이자 이사로 재직 중이며, 2025년 9월 9일로 날짜가 표시된 두 건의 관련 거래를 보고했습니다. 일반주식 10,000주를 주당 1.01달러에 인수하였고, 이로써 그의 직접 보유 일반주식은 171,828주로 늘었습니다. 같은 날짜에 주식 매수 옵션 10,000주를 부여 받거나 보고되었으며 행사가격은 1.01달러, 즉시 실행 가능하고 만료일은 2030년 3월 10일이며, 파생상품을 포함한 그의 유익한 소유권은 198,420주로 증가했습니다. 보고서에 따르면 옵션 주식은 보고일 현재 완전히 귀속되어 행사 가능하다고 명시되어 있습니다.

John D. Quisel, qui occupe le poste de président-directeur général et membre du conseil d’administration de Disc Medicine, Inc. (IRON), a déclaré deux opérations liées datées du 09/09/2025. Il a acquis 10 000 actions ordinaires au prix de 1,01 $ par action, portant ses avoirs directs en actions ordinaires à 171 828 actions. Le même jour, il a reçu ou a été rapporté une option d’achat sur actions pour 10 000 actions avec un prix d’exercice de 1,01 $, immédiatement exerçable et arrivant à échéance le 10/03/2030, augmentant sa propriété bénéficiaire totale, y compris les dérivés, à 198 420 actions. Le dépôt indique que les actions sous option sont entièrement acquises et exerçables à la date du rapport.

John D. Quisel, der als Chief Executive Officer und Direktor von Disc Medicine, Inc. (IRON) tätig ist, hat zwei damit zusammenhängende Transaktionen mit dem Datum 09.09.2025 gemeldet. Er erwarb 10.000 Stammaktien zu je 1,01 USD pro Aktie und erhöhte damit seine direkten Stammaktien auf 171.828 Aktien. Am selben Tag wurde ihm eine Aktienoption zum Kauf von 10.000 Aktien mit einem Ausübungspreis von 1,01 USD eingeräumt bzw. gemeldet, die sofort ausübbar ist und am 10.03.2030 verfällt, wodurch sich sein gesamtes wünschbares Eigentum inklusive Derivate auf 198.420 Aktien erhöht. Der Eintrag gibt an, dass die optionierten Aktien zum Berichtsdatum vollständig vestet und ausübbar sind.

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*
Quisel John D

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

(Street)
WATERTOWN MA 02472

(City) (State) (Zip)
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
X Officer (give title below) Other (specify below)
Chief Executive Officer
3. Date of Earliest Transaction (Month/Day/Year)
09/09/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Common Stock 09/09/2025 M 10,000 A $1.01 171,828 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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $1.01 09/09/2025 M 10,000 (1) 03/10/2030 Common Stock 10,000 $0 198,420 D
Explanation of Responses:
1. The shares underlying this option are fully vested and exercisable as of the date hereof.
By: /s/ Rahul Khara, as Attorney-in-Fact 09/11/2025
** 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.

FAQ

What did Disc Medicine (IRON) CEO John D. Quisel report on Form 4?

He reported acquiring 10,000 shares of common stock at $1.01 and a reported option to buy 10,000 shares at $1.01, both dated 09/09/2025.

How many shares does John D. Quisel beneficially own after the transactions?

The filing shows 171,828 shares owned directly and 198,420 shares beneficially owned including derivative securities.

Are the reported stock options exercisable now and when do they expire?

Yes, the Form 4 states the optioned shares are fully vested and exercisable and the option expires on 03/10/2030.

What was the exercise price for the reported option and the purchase price for the shares?

Both the purchase price for the common shares and the option exercise price are listed as $1.01.

Who signed the Form 4 on behalf of the reporting person?

The form was signed by /s/ Rahul Khara, as Attorney-in-Fact on 09/11/2025.
Disc Medicine Inc

NASDAQ:IRON

IRON Rankings

IRON Latest News

IRON Latest SEC Filings

IRON Stock Data

2.08B
27.61M
10.64%
101.82%
6.05%
Biotechnology
Pharmaceutical Preparations
Link
United States
WATERTOWN