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[Form 4] Septerna, Inc. Insider Trading Activity

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

Septerna, Inc. Form 4 reports that Chief Financial Officer Gil M. Labrucherie acquired a stock option on 08/07/2025 to purchase 37,500 shares of common stock at an exercise price of $11.70 per share. The option is recorded as an acquisition and held directly by the reporting person.

The grant includes a service-based vesting schedule: 6/48th of the option shares vest on February 1, 2026, with the remaining shares vesting in 42 substantially equal monthly installments thereafter, subject to continuous service. The option shows an expiration/related date of 08/06/2035 and 37,500 shares are reported as beneficially owned following the transaction.

Septerna, Inc. Il Modulo 4 segnala che il Chief Financial Officer Gil M. Labrucherie ha acquisito una stock option il 7 agosto 2025 per acquistare 37.500 azioni ordinarie a un prezzo di esercizio di $11,70 per azione. L'opzione è registrata come acquisizione ed è detenuta direttamente dalla persona che ha presentato la segnalazione.

La concessione prevede un piano di maturazione basato sul servizio: 6/48 delle azioni opzionate maturano il 1 febbraio 2026, mentre le azioni rimanenti maturano in 42 rate mensili sostanzialmente uguali successivamente, subordinatamente alla continuità del servizio. L'opzione indica una data di scadenza correlata al 6 agosto 2035 e, a seguito della transazione, sono riportate come detenute beneficiariamente 37.500 azioni.

Septerna, Inc. El Formulario 4 informa que el director financiero Gil M. Labrucherie adquirió una opción sobre acciones el 7 de agosto de 2025 para comprar 37.500 acciones ordinarias a un precio de ejercicio de $11,70 por acción. La opción se registra como una adquisición y está en manos directas de la persona que presenta el informe.

La concesión incluye un calendario de consolidación basado en el servicio: 6/48 de las acciones objeto de la opción consolidan el 1 de febrero de 2026, y las acciones restantes consolidan después en 42 cuotas mensuales sustancialmente iguales, condicionado a la continuidad del servicio. La opción muestra una fecha de vencimiento relacionada del 6 de agosto de 2035 y se informan como propiedad beneficiaria 37.500 acciones tras la transacción.

Septerna, Inc.� Form 4 보고서에 따르� 최고재무책임�(CFO) Gil M. Labrucherie� 2025� 8� 7� 보통� 37,500�� 주당 행사가� $11.70� 매수� � 있는 스옵션� 취득했습니다. 해당 옵션은 취득으로 신고되었으며 보고인이 직Ϊ 보유하고 있습니다.

부여에� 근속 기준� 베스�(권리 확정) 일정� 포함됩니�: 옵션 대� 주식 � 6/48� 2026� 2� 1일에 베스팅되�, 나머지 주식은 이후 대체로 동일� 42회의 월별 분할� 베스팅됩니다(계속 근무 조건 적용). 옵션� 만료/관련일은 2035� 8� 6�이며, 거래 � 37,500�가 수익적으� 보유� 것으� 보고됩니�.

Septerna, Inc. Le formulaire 4 indique que le directeur financier Gil M. Labrucherie a acquis le 7 août 2025 une option d'achat d'actions lui permettant d'acheter 37 500 actions ordinaires au prix d'exercice de 11,70 $ par action. L'option est enregistrée comme une acquisition et est détenue directement par la personne déclarante.

L'attribution comprend un calendrier d'acquisition fondé sur la durée de service : 6/48 des actions visées par l'option seront acquises le 1er février 2026, les actions restantes s'acquérant ensuite en 42 versements mensuels sensiblement égaux, sous réserve de la continuité du service. L'option indique une date d'expiration liée au 6 août 2035 et 37 500 actions sont déclarées comme détenues à titre bénéficiaire à la suite de la transaction.

Septerna, Inc. gibt in Formular 4 an, dass der Chief Financial Officer Gil M. Labrucherie am 07.08.2025 eine Aktienoption zum Kauf von 37.500 Stammaktien zu einem Ausübungspreis von $11,70 je Aktie erworben hat. Die Option ist als Erwerb verbucht und wird vom Meldenden direkt gehalten.

Die Zuteilung sieht einen dienstzeitabhängigen Vesting‑Plan vor: 6/48 der Optionsanteile vesten am 01.02.2026, die verbleibenden Anteile vesten danach in 42 im Wesentlichen gleichmäßigen monatlichen Raten, vorbehaltlich fortgesetzter Dienstzeit. Die Option weist ein Verfalls-/Bezugsdatum am 06.08.2035 auf, und nach der Transaktion werden 37.500 Aktien als wirtschaftlich gehalten gemeldet.

Positive
  • Reporting person is identified as Chief Financial Officer Gil M. Labrucherie
  • Grant is explicit: stock option to purchase 37,500 shares at $11.70 with a defined vesting schedule
Negative
  • Options are not fully vested immediately: initial vesting on Feb 1, 2026 followed by 42 monthly installments
  • The option represents future issuance of 37,500 shares upon exercise, which would increase outstanding shares if exercised

Insights

TL;DR: CFO received a routine option grant for 37,500 shares at $11.70; vesting ties value to continued service.

The Form 4 documents a standard executive equity award rather than an open-market purchase or disposition. Key metrics are a 37,500-share option with a stated exercise price of $11.70 and a multi-year vesting schedule (6/48th on Feb 1, 2026, then 42 monthly installments). Without the company’s current share count or market price in this filing, the immediate impact on per-share value cannot be quantified, but the grant is consistent with retention-focused compensation.

TL;DR: Grant follows a time-based vesting pattern and is reported under Section 16; disclosure appears complete for the transaction.

The disclosure identifies the reporting person as the Chief Financial Officer and records the transaction as an acquisition under Form 4, showing direct beneficial ownership of the option. The explicit vesting schedule and the option's expiration-related date (08/06/2035) are provided, which supports transparency on executive compensation timing. This filing documents a compensation event but does not itself indicate any governance violation.

Septerna, Inc. Il Modulo 4 segnala che il Chief Financial Officer Gil M. Labrucherie ha acquisito una stock option il 7 agosto 2025 per acquistare 37.500 azioni ordinarie a un prezzo di esercizio di $11,70 per azione. L'opzione è registrata come acquisizione ed è detenuta direttamente dalla persona che ha presentato la segnalazione.

La concessione prevede un piano di maturazione basato sul servizio: 6/48 delle azioni opzionate maturano il 1 febbraio 2026, mentre le azioni rimanenti maturano in 42 rate mensili sostanzialmente uguali successivamente, subordinatamente alla continuità del servizio. L'opzione indica una data di scadenza correlata al 6 agosto 2035 e, a seguito della transazione, sono riportate come detenute beneficiariamente 37.500 azioni.

Septerna, Inc. El Formulario 4 informa que el director financiero Gil M. Labrucherie adquirió una opción sobre acciones el 7 de agosto de 2025 para comprar 37.500 acciones ordinarias a un precio de ejercicio de $11,70 por acción. La opción se registra como una adquisición y está en manos directas de la persona que presenta el informe.

La concesión incluye un calendario de consolidación basado en el servicio: 6/48 de las acciones objeto de la opción consolidan el 1 de febrero de 2026, y las acciones restantes consolidan después en 42 cuotas mensuales sustancialmente iguales, condicionado a la continuidad del servicio. La opción muestra una fecha de vencimiento relacionada del 6 de agosto de 2035 y se informan como propiedad beneficiaria 37.500 acciones tras la transacción.

Septerna, Inc.� Form 4 보고서에 따르� 최고재무책임�(CFO) Gil M. Labrucherie� 2025� 8� 7� 보통� 37,500�� 주당 행사가� $11.70� 매수� � 있는 스옵션� 취득했습니다. 해당 옵션은 취득으로 신고되었으며 보고인이 직Ϊ 보유하고 있습니다.

부여에� 근속 기준� 베스�(권리 확정) 일정� 포함됩니�: 옵션 대� 주식 � 6/48� 2026� 2� 1일에 베스팅되�, 나머지 주식은 이후 대체로 동일� 42회의 월별 분할� 베스팅됩니다(계속 근무 조건 적용). 옵션� 만료/관련일은 2035� 8� 6�이며, 거래 � 37,500�가 수익적으� 보유� 것으� 보고됩니�.

Septerna, Inc. Le formulaire 4 indique que le directeur financier Gil M. Labrucherie a acquis le 7 août 2025 une option d'achat d'actions lui permettant d'acheter 37 500 actions ordinaires au prix d'exercice de 11,70 $ par action. L'option est enregistrée comme une acquisition et est détenue directement par la personne déclarante.

L'attribution comprend un calendrier d'acquisition fondé sur la durée de service : 6/48 des actions visées par l'option seront acquises le 1er février 2026, les actions restantes s'acquérant ensuite en 42 versements mensuels sensiblement égaux, sous réserve de la continuité du service. L'option indique une date d'expiration liée au 6 août 2035 et 37 500 actions sont déclarées comme détenues à titre bénéficiaire à la suite de la transaction.

Septerna, Inc. gibt in Formular 4 an, dass der Chief Financial Officer Gil M. Labrucherie am 07.08.2025 eine Aktienoption zum Kauf von 37.500 Stammaktien zu einem Ausübungspreis von $11,70 je Aktie erworben hat. Die Option ist als Erwerb verbucht und wird vom Meldenden direkt gehalten.

Die Zuteilung sieht einen dienstzeitabhängigen Vesting‑Plan vor: 6/48 der Optionsanteile vesten am 01.02.2026, die verbleibenden Anteile vesten danach in 42 im Wesentlichen gleichmäßigen monatlichen Raten, vorbehaltlich fortgesetzter Dienstzeit. Die Option weist ein Verfalls-/Bezugsdatum am 06.08.2035 auf, und nach der Transaktion werden 37.500 Aktien als wirtschaftlich gehalten gemeldet.

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*
Labrucherie Gil M

(Last) (First) (Middle)
C/O SEPTERNA, INC.
250 EAST GRAND AVENUE

(Street)
SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Septerna, Inc. [ SEPN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Financial Officer
3. Date of Earliest Transaction (Month/Day/Year)
08/07/2025
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
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) $11.7 08/07/2025 A 37,500 (1) 08/06/2035 Common Stock 37,500 $0 37,500 D
Explanation of Responses:
1. 6/48th of the shares subject to such option shall vest and become exercisable on February 1, 2026 and the remaining shares subject to the option shall vest in 42 substantially equal monthly installments on each monthly anniversary thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date.
/s/ Ran Xiao, Attorney-in-Fact 08/11/2025
** 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 the SEPN Form 4 disclose?

It discloses a stock option grant to CFO Gil M. Labrucherie to purchase 37,500 shares at an exercise price of $11.70 per share, recorded as an acquisition on 08/07/2025.

Who is the reporting person on the Form 4 for SEPN?

Gil M. Labrucherie, identified as the Chief Financial Officer of Septerna, Inc.

What are the key economic terms of the option grant (SEPN)?

Option to buy 37,500 shares with an exercise price of $11.70; the derivative security price is shown as $0 in the filing, and 37,500 shares are reported as beneficially owned after the transaction.

What is the vesting schedule for the SEPN option grant?

6/48th of the shares vest on February 1, 2026, with the remaining shares vesting in 42 substantially equal monthly installments thereafter, subject to continuous service.

When does the option lapse or have an associated expiration-related date?

The filing shows an associated date of 08/06/2035 related to the derivative security information in Table II.

How many shares does the reporting person beneficially own after this transaction?

The Form 4 reports 37,500 shares beneficially owned following the reported transaction, held directly.
Septerna, Inc.

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Biotechnology
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United States
SOUTH SAN FRANCISCO