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[8-K] Spero Therapeutics, Inc. Reports Material Event

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8-K
Rhea-AI Filing Summary

Spero Therapeutics announced it issued a press release reporting results for the third quarter ended June 30, 2025. The 8-K furnishes that press release as Exhibit 99.1, but the filing itself does not include the underlying financial figures in-line.

The company also furnished an investor presentation as Exhibit 99.2, which management intends to use in investor communications and is available on the company website. Both the press release and presentation are described as "furnished" and are not deemed "filed" for purposes of certain securities-law liabilities.

Spero Therapeutics ha annunciato la diffusione di un comunicato stampa con i risultati del terzo trimestre chiuso il 30 giugno 2025. L'8-K allega quel comunicato come Exhibit 99.1, ma la dichiarazione non include i relativi dati finanziari nel corpo del testo.

La società ha anche fornito una presentazione per gli investitori come Exhibit 99.2, che la direzione intende utilizzare nelle comunicazioni con gli investitori ed è disponibile sul sito web aziendale. Sia il comunicato che la presentazione sono indicati come "furnished" e non sono considerati "filed" ai fini di specifiche responsabilità previste dalla normativa sui valori mobiliari.

Spero Therapeutics anunció que emitió un comunicado de prensa con los resultados del tercer trimestre cerrado el 30 de junio de 2025. El 8-K adjunta ese comunicado como Exhibit 99.1, pero la presentación en sí no incluye las cifras financieras subyacentes en el texto.

La compañía también proporcionó una presentación para inversores como Exhibit 99.2, que la dirección tiene previsto usar en las comunicaciones con inversores y que está disponible en la web de la empresa. Tanto el comunicado como la presentación se describen como "furnished" y no se consideran "filed" a efectos de determinadas responsabilidades bajo la legislación de valores.

Spero Therapeutics는 2025년 6월 30일로 종료된 제3분기 실적을 발표하는 보도자료를 발행했다고 밝혔다. 8-K는 해당 보도자료를 Exhibit 99.1로 제공하지만, 제출 서류 자체에는 기초 재무 수치가 본문에 포함되어 있지 않다.

회사는 또한 투자자 프레젠테이션을 Exhibit 99.2로 제공했으며, 이는 경영진이 투자자와의 소통에 사용할 의도이며 회사 웹사이트에서 볼 수 있다. 보도자료와 프레젠테이션은 모두 "furnished"로 표시되며, 특정 증권법상 책임 목적상 "filed"로 간주되지 않는다.

Spero Therapeutics a annoncé avoir publié un communiqué de presse présentant les résultats du troisième trimestre clos le 30 juin 2025. Le formulaire 8-K met ce communiqué à disposition en tant que Exhibit 99.1, mais le dépôt lui‑même n'inclut pas les chiffres financiers sous‑jacents dans le corps du texte.

La société a également fourni une présentation aux investisseurs en tant que Exhibit 99.2, que la direction entend utiliser dans ses communications aux investisseurs et qui est disponible sur le site web de la société. Le communiqué et la présentation sont tous deux décrits comme "furnished" et ne sont pas considérés comme "filed" pour l'application de certaines responsabilités en vertu des lois sur les valeurs mobilières.

Spero Therapeutics gab bekannt, eine Pressemitteilung mit den Ergebnissen für das am 30. Juni 2025 beendete dritte Quartal veröffentlicht zu haben. Das Formular 8-K stellt diese Pressemitteilung als Exhibit 99.1 zur Verfügung, enthält die zugrunde liegenden Finanzzahlen jedoch nicht inline.

Das Unternehmen hat außerdem eine Investorenpräsentation als Exhibit 99.2 bereitgestellt, die das Management in der Investorenkommunikation verwenden will und die auf der Unternehmenswebsite verfügbar ist. Sowohl die Pressemitteilung als auch die Präsentation werden als "furnished" bezeichnet und gelten für bestimmte haftungsrechtliche Zwecke im Wertpapierrecht nicht als "filed".

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Insights

TL;DR The 8-K notifies investors that Q3 results and an investor presentation were furnished; no financial figures are included in the filing text.

The item reports a press release announcing results for the quarter ended June 30, 2025, and a corporate investor presentation. Because the exhibits are furnished rather than filed, the 8-K signals disclosure availability but does not itself incorporate the numerical results or give additional financial detail. Investors must review Exhibits 99.1 and 99.2 for material metrics to assess impact.

TL;DR Routine disclosure practice: materials are furnished and explicitly not "filed," limiting incorporation and certain liabilities.

The filing follows standard disclosure protocol by furnishing a press release and investor deck as Exhibits 99.1 and 99.2 and expressly stating these exhibits are not "filed" for Section 18 or certain Securities Act liabilities. This preserves the company’s communications flexibility while making information available; absent the exhibits' content, the filing itself does not change the public record of financial performance.

Spero Therapeutics ha annunciato la diffusione di un comunicato stampa con i risultati del terzo trimestre chiuso il 30 giugno 2025. L'8-K allega quel comunicato come Exhibit 99.1, ma la dichiarazione non include i relativi dati finanziari nel corpo del testo.

La società ha anche fornito una presentazione per gli investitori come Exhibit 99.2, che la direzione intende utilizzare nelle comunicazioni con gli investitori ed è disponibile sul sito web aziendale. Sia il comunicato che la presentazione sono indicati come "furnished" e non sono considerati "filed" ai fini di specifiche responsabilità previste dalla normativa sui valori mobiliari.

Spero Therapeutics anunció que emitió un comunicado de prensa con los resultados del tercer trimestre cerrado el 30 de junio de 2025. El 8-K adjunta ese comunicado como Exhibit 99.1, pero la presentación en sí no incluye las cifras financieras subyacentes en el texto.

La compañía también proporcionó una presentación para inversores como Exhibit 99.2, que la dirección tiene previsto usar en las comunicaciones con inversores y que está disponible en la web de la empresa. Tanto el comunicado como la presentación se describen como "furnished" y no se consideran "filed" a efectos de determinadas responsabilidades bajo la legislación de valores.

Spero Therapeutics는 2025년 6월 30일로 종료된 제3분기 실적을 발표하는 보도자료를 발행했다고 밝혔다. 8-K는 해당 보도자료를 Exhibit 99.1로 제공하지만, 제출 서류 자체에는 기초 재무 수치가 본문에 포함되어 있지 않다.

회사는 또한 투자자 프레젠테이션을 Exhibit 99.2로 제공했으며, 이는 경영진이 투자자와의 소통에 사용할 의도이며 회사 웹사이트에서 볼 수 있다. 보도자료와 프레젠테이션은 모두 "furnished"로 표시되며, 특정 증권법상 책임 목적상 "filed"로 간주되지 않는다.

Spero Therapeutics a annoncé avoir publié un communiqué de presse présentant les résultats du troisième trimestre clos le 30 juin 2025. Le formulaire 8-K met ce communiqué à disposition en tant que Exhibit 99.1, mais le dépôt lui‑même n'inclut pas les chiffres financiers sous‑jacents dans le corps du texte.

La société a également fourni une présentation aux investisseurs en tant que Exhibit 99.2, que la direction entend utiliser dans ses communications aux investisseurs et qui est disponible sur le site web de la société. Le communiqué et la présentation sont tous deux décrits comme "furnished" et ne sont pas considérés comme "filed" pour l'application de certaines responsabilités en vertu des lois sur les valeurs mobilières.

Spero Therapeutics gab bekannt, eine Pressemitteilung mit den Ergebnissen für das am 30. Juni 2025 beendete dritte Quartal veröffentlicht zu haben. Das Formular 8-K stellt diese Pressemitteilung als Exhibit 99.1 zur Verfügung, enthält die zugrunde liegenden Finanzzahlen jedoch nicht inline.

Das Unternehmen hat außerdem eine Investorenpräsentation als Exhibit 99.2 bereitgestellt, die das Management in der Investorenkommunikation verwenden will und die auf der Unternehmenswebsite verfügbar ist. Sowohl die Pressemitteilung als auch die Präsentation werden als "furnished" bezeichnet und gelten für bestimmte haftungsrechtliche Zwecke im Wertpapierrecht nicht als "filed".

NASDAQ false 0001701108 0001701108 2025-08-12 2025-08-12
 
 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

FORM 8-K

 

 

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 12, 2025

 

 

SPERO THERAPEUTICS, INC.

(Exact name of registrant as specified in its charter)

 

 

 

Delaware   001-38266   46-4590683
(State or other jurisdiction
of incorporation)
 

(Commission

File Number)

  (I.R.S. Employer
Identification No.)

 

675 Massachusetts Avenue, 14th Floor  
Cambridge, Massachusetts   02139
(Address of principal executive offices)   (Zip Code)

Registrant’s telephone number, including area code (857) 242-1600

 

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

 

Trading
Symbol(s)

 

Name of each exchange

on which registered

Common Stock, $0.001 par value   SPRO   The Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 
 


Item 2.02

Results of Operations and Financial Condition.

On August 12, 2025, Spero Therapeutics, Inc. (the “Company”) issued a press release announcing its results for the third quarter ended June 30, 2025. A copy of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The information contained in this Item 2.02 and in the press release furnished as Exhibit 99.1 hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended (the “Securities Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing.

 

Item 7.01

Regulation FD Disclosure.

On August 12, 2025, the Company released an investor presentation (the “Investor Presentation”), which includes updates regarding the Company’s business and operations that management intends to use from time to time in investor communications and conferences. A copy of the Investor Presentation is attached and furnished hereto as Exhibit 99.2 and is also available on the “Investor Relations” portion of the Company’s website at https://www.sperotherapeutics.com/investor-relations#ir-corp-presentation.

The information in this Item 7.01 and Exhibit 99.2, is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section or sections 11 and 12(a)(2) of the Securities Act, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing.

 


Item 9.01

Financial Statements and Exhibits

 

(d)

Exhibits

 

Exhibit
No.

  

Description

99.1    Press release issued by Spero Therapeutics, Inc. on August 12, 2025
99.2    Corporate Investor Presentation of Spero Therapeutics, Inc. as of August 12, 2025
104    Cover Page Interactive Data File (embedded within the Inline XBRL document and incorporated as Exhibit 101)

 


SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

Date: August 12, 2025   SPERO THERAPEUTICS, INC.
    By:  

/s/ Esther Rajavelu

      Esther Rajavelu
      Chief Executive Officer, Chief Financial Officer and
Chief Business Officer
Spero Therapeuti

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