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[Form 4] Rhythm Pharmaceuticals, Inc. Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4
Rhea-AI Filing Summary

Form 4 Overview – Rhythm Pharmaceuticals, Inc. (RYTM)

On 23 June 2025, Rhythm Pharmaceuticals filed a Form 4 disclosing that director Edward T. Mathers acquired common shares through the conversion of vested restricted stock units (RSUs).

  • Transaction date: 18 June 2025
  • Transaction code: M (exercise/settlement of derivative security)
  • Securities acquired: 4,000 shares of common stock, delivered against 4,000 fully-vested RSUs
  • Exercise price: $0 (RSU settlement, no cash paid)

Following the settlement, Mathers’ beneficial ownership is reported as 7,000 shares held directly and 5,771 shares held indirectly through the Edward Timothy Mathers Revocable Trust. The filing notes that the reporting person disclaims beneficial ownership of any trust-held shares in which he has no pecuniary interest.

No open-market purchases or sales were executed; the filing solely reflects an equity award vesting. All RSUs reported in Table II have now been converted and zero derivative securities remain outstanding under this specific grant.

For investors, the key takeaway is that a board member’s direct equity stake increased, albeit through a scheduled award rather than discretionary buying. While this does not inject fresh capital into the company, it modestly aligns the director’s incentives with shareholders and removes an overhang of unvested awards.

Panoramica del Modulo 4 – Rhythm Pharmaceuticals, Inc. (RYTM)

Il 23 giugno 2025, Rhythm Pharmaceuticals ha presentato un Modulo 4 comunicando che il direttore Edward T. Mathers ha acquisito azioni ordinarie tramite la conversione di unità azionarie ristrette (RSU) maturate.

  • Data della transazione: 18 giugno 2025
  • Codice della transazione: M (esercizio/regolamento di strumenti derivati)
  • Titoli acquisiti: 4.000 azioni ordinarie, consegnate in cambio di 4.000 RSU completamente maturate
  • Prezzo di esercizio: 0$ (regolamento RSU, nessun pagamento in contanti)

A seguito del regolamento, la proprietà effettiva di Mathers risulta di 7.000 azioni detenute direttamente e 5.771 azioni detenute indirettamente tramite l'Edward Timothy Mathers Revocable Trust. Nel documento si specifica che il soggetto segnalante rinuncia alla proprietà effettiva di eventuali azioni detenute dal trust sulle quali non ha interesse economico.

Non sono state effettuate compravendite sul mercato aperto; la segnalazione riflette esclusivamente la maturazione di un premio azionario. Tutte le RSU riportate nella Tabella II sono state ora convertite e non risultano più strumenti derivati in essere relativi a questo specifico premio.

Per gli investitori, il punto chiave è che la partecipazione diretta di un membro del consiglio è aumentata, seppur tramite un premio programmato e non tramite acquisti discrezionali. Pur non apportando nuovo capitale all’azienda, ciò allinea modestamente gli incentivi del direttore con quelli degli azionisti e elimina un potenziale peso di premi non ancora maturati.

Resumen del Formulario 4 – Rhythm Pharmaceuticals, Inc. (RYTM)

El 23 de junio de 2025, Rhythm Pharmaceuticals presentó un Formulario 4 revelando que el director Edward T. Mathers adquirió acciones ordinarias mediante la conversión de unidades restringidas de acciones (RSU) ya consolidadas.

  • Fecha de la transacción: 18 de junio de 2025
  • Código de transacción: M (ejercicio/liquidación de instrumento derivado)
  • Títulos adquiridos: 4,000 acciones ordinarias, entregadas a cambio de 4,000 RSU totalmente consolidadas
  • Precio de ejercicio: $0 (liquidación de RSU, sin pago en efectivo)

Tras la liquidación, la propiedad beneficiaria de Mathers se reporta como 7,000 acciones en propiedad directa y 5,771 acciones en propiedad indirecta a través del Edward Timothy Mathers Revocable Trust. El informe señala que la persona informante renuncia a la propiedad beneficiaria de cualquier acción en fideicomisos en las que no tenga interés pecuniario.

No se realizaron compras ni ventas en el mercado abierto; la presentación refleja únicamente la consolidación de un premio en acciones. Todas las RSU reportadas en la Tabla II han sido convertidas y no quedan instrumentos derivados pendientes bajo esta concesión específica.

Para los inversores, la conclusión principal es que la participación directa de un miembro de la junta aumentó, aunque mediante un premio programado y no por compras discrecionales. Aunque esto no aporta capital fresco a la empresa, alinea modestamente los incentivos del director con los de los accionistas y elimina una carga de premios no consolidados.

양식 4 개요 – Rhythm Pharmaceuticals, Inc. (RYTM)

2025년 6월 23일, Rhythm Pharmaceuticals는 이사 Edward T. Mathers가 이미 확정된 제한 주식 단위(RSU)를 전환하여 보통주를 취득했음을 공개하는 양식 4를 제출했습니다.

  • 거래일: 2025년 6월 18일
  • 거래 코드: M (파생상품 행사/정산)
  • 취득한 증권: 완전히 확정된 4,000 RSU에 대해 4,000 보통주
  • 행사가격: 0달러 (RSU 정산, 현금 지불 없음)

정산 후 Mathers의 실질 소유권은 직접 보유 주식 7,000주Edward Timothy Mathers Revocable Trust를 통한 간접 보유 주식 5,771주로 보고되었습니다. 제출 문서에는 보고자가 경제적 이익이 없는 신탁 보유 주식에 대한 실질 소유권을 포기한다고 명시되어 있습니다.

시장 내 개별 매매는 없었으며, 이번 제출은 주식 보상 확정만을 반영합니다. 표 II에 보고된 모든 RSU는 이제 전환되었으며 이 특정 보조금에 대해 남아있는 파생상품은 없습니다.

투자자에게 중요한 점은 이사회 구성원의 직접 주식 보유가 증가했으나 임의 매수 대신 예정된 보상에 따른 것이라는 점입니다. 이는 회사에 신규 자본을 투입하지는 않지만 이사의 이해관계를 주주와 어느 정도 일치시키고 미확정 보상 부담을 해소합니다.

Présentation du Formulaire 4 – Rhythm Pharmaceuticals, Inc. (RYTM)

Le 23 juin 2025, Rhythm Pharmaceuticals a déposé un Formulaire 4 indiquant que le directeur Edward T. Mathers a acquis des actions ordinaires par la conversion d’unités d’actions restreintes (RSU) acquises.

  • Date de la transaction : 18 juin 2025
  • Code de la transaction : M (exercice/règlement d’un instrument dérivé)
  • Valeurs mobilières acquises : 4 000 actions ordinaires, livrées contre 4 000 RSU entièrement acquises
  • Prix d’exercice : 0 $ (règlement des RSU, aucun paiement en espèces)

Après règlement, la propriété bénéficiaire de Mathers est déclarée comme 7 000 actions détenues directement et 5 771 actions détenues indirectement via le Edward Timothy Mathers Revocable Trust. Le dépôt précise que la personne déclarante décline toute propriété bénéficiaire des actions détenues en fiducie dans lesquelles elle n’a aucun intérêt pécuniaire.

Aucun achat ou vente sur le marché ouvert n’a été effectué ; le dépôt reflète uniquement la levée d’une attribution d’actions. Toutes les RSU rapportées dans le tableau II ont maintenant été converties et aucun instrument dérivé n’est plus en circulation dans le cadre de cette attribution spécifique.

Pour les investisseurs, l’essentiel est que la participation directe d’un membre du conseil d’administration a augmenté, bien que par une attribution programmée plutôt que par des achats discrétionnaires. Cela n’apporte pas de nouveau capital à l’entreprise, mais aligne modérément les incitations du directeur avec celles des actionnaires et supprime un surcroît d’actions non acquises.

Überblick Formular 4 – Rhythm Pharmaceuticals, Inc. (RYTM)

Am 23. Juni 2025 reichte Rhythm Pharmaceuticals ein Formular 4 ein, das offenlegt, dass Direktor Edward T. Mathers Stammaktien durch die Umwandlung von bereits unverfallenen Restricted Stock Units (RSUs) erworben hat.

  • Transaktionsdatum: 18. Juni 2025
  • Transaktionscode: M (Ausübung/Abwicklung eines Derivats)
  • Erworbene Wertpapiere: 4.000 Stammaktien, geliefert gegen 4.000 vollständig unverfallene RSUs
  • Ausübungspreis: 0 $ (RSU-Abwicklung, keine Barzahlung)

Nach der Abwicklung wird Mathers’ wirtschaftliches Eigentum mit 7.000 direkt gehaltenen Aktien und 5.771 indirekt gehaltenen Aktien über den Edward Timothy Mathers Revocable Trust angegeben. Die Meldung stellt klar, dass die meldende Person auf das wirtschaftliche Eigentum an Trust-Aktien verzichtet, an denen sie kein finanzielles Interesse hat.

Es wurden keine Käufe oder Verkäufe am offenen Markt getätigt; die Meldung spiegelt ausschließlich die Vesting eines Aktienprämienplans wider. Alle in Tabelle II gemeldeten RSUs wurden inzwischen umgewandelt, und es bestehen keine ausstehenden Derivate mehr aus diesem speziellen Grant.

Für Investoren ist die wesentliche Erkenntnis, dass der direkte Aktienanteil eines Vorstandsmitglieds zwar gestiegen ist, dies jedoch durch eine planmäßige Zuteilung und nicht durch diskretionäre Käufe geschah. Dies führt zwar nicht zu frischem Kapital für das Unternehmen, stimmt aber die Anreize des Direktors moderat mit denen der Aktionäre überein und beseitigt eine Belastung durch unverfallte Prämien.

Positive
  • Director’s direct ownership increased by 4,000 shares, reflecting continued equity alignment with shareholders
  • No shares were sold, eliminating potential near-term selling pressure
Negative
  • None.

Insights

TL;DR: Director converted 4k RSUs into stock; ownership now 7k direct, 5.8k indirect—routine, neutral impact.

The transaction is a mechanical settlement of previously granted RSUs at a zero exercise price. It increases Mathers’ direct stake but does not represent a cash purchase in the open market, therefore offering limited signalling value. No shares were sold, eliminating any immediate supply pressure. Given Rhythm’s 56 million-share base (per last 10-Q, not referenced here), the 4,000-share increment is immaterial. I view the disclosure as administratively necessary and strategically neutral.

TL;DR: RSU vesting aligns incentives; governance neutral-to-positive, financially immaterial.

Vesting on schedule suggests the company is following its long-term incentive plan without amendments or accelerations. The director retains the shares, which marginally tightens alignment with public shareholders. However, the absence of an open-market purchase tempers any strong positive governance signal. From a policy standpoint, no red flags emerge.

Panoramica del Modulo 4 – Rhythm Pharmaceuticals, Inc. (RYTM)

Il 23 giugno 2025, Rhythm Pharmaceuticals ha presentato un Modulo 4 comunicando che il direttore Edward T. Mathers ha acquisito azioni ordinarie tramite la conversione di unità azionarie ristrette (RSU) maturate.

  • Data della transazione: 18 giugno 2025
  • Codice della transazione: M (esercizio/regolamento di strumenti derivati)
  • Titoli acquisiti: 4.000 azioni ordinarie, consegnate in cambio di 4.000 RSU completamente maturate
  • Prezzo di esercizio: 0$ (regolamento RSU, nessun pagamento in contanti)

A seguito del regolamento, la proprietà effettiva di Mathers risulta di 7.000 azioni detenute direttamente e 5.771 azioni detenute indirettamente tramite l'Edward Timothy Mathers Revocable Trust. Nel documento si specifica che il soggetto segnalante rinuncia alla proprietà effettiva di eventuali azioni detenute dal trust sulle quali non ha interesse economico.

Non sono state effettuate compravendite sul mercato aperto; la segnalazione riflette esclusivamente la maturazione di un premio azionario. Tutte le RSU riportate nella Tabella II sono state ora convertite e non risultano più strumenti derivati in essere relativi a questo specifico premio.

Per gli investitori, il punto chiave è che la partecipazione diretta di un membro del consiglio è aumentata, seppur tramite un premio programmato e non tramite acquisti discrezionali. Pur non apportando nuovo capitale all’azienda, ciò allinea modestamente gli incentivi del direttore con quelli degli azionisti e elimina un potenziale peso di premi non ancora maturati.

Resumen del Formulario 4 – Rhythm Pharmaceuticals, Inc. (RYTM)

El 23 de junio de 2025, Rhythm Pharmaceuticals presentó un Formulario 4 revelando que el director Edward T. Mathers adquirió acciones ordinarias mediante la conversión de unidades restringidas de acciones (RSU) ya consolidadas.

  • Fecha de la transacción: 18 de junio de 2025
  • Código de transacción: M (ejercicio/liquidación de instrumento derivado)
  • Títulos adquiridos: 4,000 acciones ordinarias, entregadas a cambio de 4,000 RSU totalmente consolidadas
  • Precio de ejercicio: $0 (liquidación de RSU, sin pago en efectivo)

Tras la liquidación, la propiedad beneficiaria de Mathers se reporta como 7,000 acciones en propiedad directa y 5,771 acciones en propiedad indirecta a través del Edward Timothy Mathers Revocable Trust. El informe señala que la persona informante renuncia a la propiedad beneficiaria de cualquier acción en fideicomisos en las que no tenga interés pecuniario.

No se realizaron compras ni ventas en el mercado abierto; la presentación refleja únicamente la consolidación de un premio en acciones. Todas las RSU reportadas en la Tabla II han sido convertidas y no quedan instrumentos derivados pendientes bajo esta concesión específica.

Para los inversores, la conclusión principal es que la participación directa de un miembro de la junta aumentó, aunque mediante un premio programado y no por compras discrecionales. Aunque esto no aporta capital fresco a la empresa, alinea modestamente los incentivos del director con los de los accionistas y elimina una carga de premios no consolidados.

양식 4 개요 – Rhythm Pharmaceuticals, Inc. (RYTM)

2025년 6월 23일, Rhythm Pharmaceuticals는 이사 Edward T. Mathers가 이미 확정된 제한 주식 단위(RSU)를 전환하여 보통주를 취득했음을 공개하는 양식 4를 제출했습니다.

  • 거래일: 2025년 6월 18일
  • 거래 코드: M (파생상품 행사/정산)
  • 취득한 증권: 완전히 확정된 4,000 RSU에 대해 4,000 보통주
  • 행사가격: 0달러 (RSU 정산, 현금 지불 없음)

정산 후 Mathers의 실질 소유권은 직접 보유 주식 7,000주Edward Timothy Mathers Revocable Trust를 통한 간접 보유 주식 5,771주로 보고되었습니다. 제출 문서에는 보고자가 경제적 이익이 없는 신탁 보유 주식에 대한 실질 소유권을 포기한다고 명시되어 있습니다.

시장 내 개별 매매는 없었으며, 이번 제출은 주식 보상 확정만을 반영합니다. 표 II에 보고된 모든 RSU는 이제 전환되었으며 이 특정 보조금에 대해 남아있는 파생상품은 없습니다.

투자자에게 중요한 점은 이사회 구성원의 직접 주식 보유가 증가했으나 임의 매수 대신 예정된 보상에 따른 것이라는 점입니다. 이는 회사에 신규 자본을 투입하지는 않지만 이사의 이해관계를 주주와 어느 정도 일치시키고 미확정 보상 부담을 해소합니다.

Présentation du Formulaire 4 – Rhythm Pharmaceuticals, Inc. (RYTM)

Le 23 juin 2025, Rhythm Pharmaceuticals a déposé un Formulaire 4 indiquant que le directeur Edward T. Mathers a acquis des actions ordinaires par la conversion d’unités d’actions restreintes (RSU) acquises.

  • Date de la transaction : 18 juin 2025
  • Code de la transaction : M (exercice/règlement d’un instrument dérivé)
  • Valeurs mobilières acquises : 4 000 actions ordinaires, livrées contre 4 000 RSU entièrement acquises
  • Prix d’exercice : 0 $ (règlement des RSU, aucun paiement en espèces)

Après règlement, la propriété bénéficiaire de Mathers est déclarée comme 7 000 actions détenues directement et 5 771 actions détenues indirectement via le Edward Timothy Mathers Revocable Trust. Le dépôt précise que la personne déclarante décline toute propriété bénéficiaire des actions détenues en fiducie dans lesquelles elle n’a aucun intérêt pécuniaire.

Aucun achat ou vente sur le marché ouvert n’a été effectué ; le dépôt reflète uniquement la levée d’une attribution d’actions. Toutes les RSU rapportées dans le tableau II ont maintenant été converties et aucun instrument dérivé n’est plus en circulation dans le cadre de cette attribution spécifique.

Pour les investisseurs, l’essentiel est que la participation directe d’un membre du conseil d’administration a augmenté, bien que par une attribution programmée plutôt que par des achats discrétionnaires. Cela n’apporte pas de nouveau capital à l’entreprise, mais aligne modérément les incitations du directeur avec celles des actionnaires et supprime un surcroît d’actions non acquises.

Überblick Formular 4 – Rhythm Pharmaceuticals, Inc. (RYTM)

Am 23. Juni 2025 reichte Rhythm Pharmaceuticals ein Formular 4 ein, das offenlegt, dass Direktor Edward T. Mathers Stammaktien durch die Umwandlung von bereits unverfallenen Restricted Stock Units (RSUs) erworben hat.

  • Transaktionsdatum: 18. Juni 2025
  • Transaktionscode: M (Ausübung/Abwicklung eines Derivats)
  • Erworbene Wertpapiere: 4.000 Stammaktien, geliefert gegen 4.000 vollständig unverfallene RSUs
  • Ausübungspreis: 0 $ (RSU-Abwicklung, keine Barzahlung)

Nach der Abwicklung wird Mathers’ wirtschaftliches Eigentum mit 7.000 direkt gehaltenen Aktien und 5.771 indirekt gehaltenen Aktien über den Edward Timothy Mathers Revocable Trust angegeben. Die Meldung stellt klar, dass die meldende Person auf das wirtschaftliche Eigentum an Trust-Aktien verzichtet, an denen sie kein finanzielles Interesse hat.

Es wurden keine Käufe oder Verkäufe am offenen Markt getätigt; die Meldung spiegelt ausschließlich die Vesting eines Aktienprämienplans wider. Alle in Tabelle II gemeldeten RSUs wurden inzwischen umgewandelt, und es bestehen keine ausstehenden Derivate mehr aus diesem speziellen Grant.

Für Investoren ist die wesentliche Erkenntnis, dass der direkte Aktienanteil eines Vorstandsmitglieds zwar gestiegen ist, dies jedoch durch eine planmäßige Zuteilung und nicht durch diskretionäre Käufe geschah. Dies führt zwar nicht zu frischem Kapital für das Unternehmen, stimmt aber die Anreize des Direktors moderat mit denen der Aktionäre überein und beseitigt eine Belastung durch unverfallte Prämien.

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*
Mathers Edward T

(Last) (First) (Middle)
104 5TH AVE

(Street)
NEW YORK NY 10011

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
RHYTHM PHARMACEUTICALS, INC. [ RYTM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
06/18/2025
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 06/18/2025 M 4,000 A (1) 7,000 D
Common Stock 5,771 I See Note 2(2)
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
Restricted Stock Units (1) 06/18/2025 M 4,000 (3) (3) Common Stock 4,000 $0 0 D
Explanation of Responses:
1. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
2. The Reporting Person is the trustee of the Edward Timothy Mathers Revocable Trust (the "Mathers Trust"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the securities held by the Mathers Trust in which the Reporting Person has no pecuniary interest.
3. The restricted stock units fully vested on June 18, 2025. The restricted stock units have no expiration date.
/s/ Zachary Bambach, attorney-in-fact 06/23/2025
** 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

How many Rhythm Pharmaceuticals (RYTM) shares did Edward T. Mathers acquire?

He acquired 4,000 common shares through RSU conversion.

What is the new total of Mathers’ direct RYTM share ownership?

After the transaction, he directly owns 7,000 shares.

Were any RYTM shares sold in this Form 4 filing?

No. The filing reports only an acquisition via RSU vesting; no sales occurred.

When did the RSUs vest for Edward T. Mathers?

The RSUs fully vested on 18 June 2025.

Does Mathers hold additional RYTM shares indirectly?

Yes, 5,771 shares are held indirectly via the Edward Timothy Mathers Revocable Trust.
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