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[8-K] X4 Pharmaceuticals, Inc. Reports Material Event

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Rhea-AI Filing Summary

X4 Pharmaceuticals completed two related private placements that raised aggregate gross proceeds of $85,000,000. The company sold common stock and pre-funded warrants, including a separate sale of pre-funded warrants to purchase up to 17,618,041 shares for approximately $25,000,000. The earlier placement raised $60 million. The purchase price per pre-funded warrant in the second placement was $1.419, and the warrants carry an exercise price of $0.001 per share, are exercisable at any time and do not expire.

The financings closed on August 13, 2025, and X4 reported that on a fully-diluted basis shares outstanding will be approximately 87.2 million. The securities were sold in private transactions under exemptions from registration (Regulation D) and the company agreed to file a registration statement to register the resale of the issued shares and shares underlying the pre-funded warrants. Copies of the agreements and a press release are filed as exhibits.

X4 Pharmaceuticals ha completato due collocamenti privati collegati che hanno raccolto proventi lordi complessivi pari a $85,000,000. La società ha venduto azioni ordinarie e warrant prefinanziati, inclusa una vendita separata di warrant prefinanziati per l'acquisto di fino a 17,618,041 azioni per circa $25,000,000. Il collocamento precedente aveva raccolto $60 million. Il prezzo di acquisto per ciascun warrant prefinanziato nel secondo collocamento è stato di $1.419; i warrant hanno un prezzo di esercizio di $0.001 per azione, sono esercitabili in qualsiasi momento e non scadono.

I finanziamenti si sono chiusi il 13 agosto 2025 e X4 ha riportato che, su base completamente diluita, le azioni in circolazione saranno circa 87.2 million. I titoli sono stati venduti in transazioni private ai sensi delle esenzioni dalla registrazione (Regulation D) e la società si è impegnata a depositare una dichiarazione di registrazione per registrare la rivendita delle azioni emesse e delle azioni sottostanti i warrant prefinanziati. Copie degli accordi e un comunicato stampa sono depositati come allegati.

X4 Pharmaceuticals completó dos colocaciones privadas relacionadas que recaudaron un total bruto agregado de $85,000,000. La compañía vendió acciones ordinarias y warrants prefinanciados, incluida una venta separada de warrants prefinanciados para comprar hasta 17,618,041 acciones por aproximadamente $25,000,000. La colocación anterior recaudó $60 million. El precio de compra por warrant prefinanciado en la segunda colocación fue de $1.419, y los warrants tienen un precio de ejercicio de $0.001 por acción, son ejercitables en cualquier momento y no vencen.

Los financiamientos se cerraron el 13 de agosto de 2025, y X4 informó que, sobre una base totalmente diluida, las acciones en circulación serán aproximadamente 87.2 million. Los valores se vendieron en transacciones privadas bajo exenciones de registro (Regulation D) y la compañía aceptó presentar una declaración de registro para inscribir la reventa de las acciones emitidas y de las acciones subyacentes a los warrants prefinanciados. Copias de los acuerdos y un comunicado de prensa están presentados como anexos.

X4 Pharmaceuticals� � 85,000,000달러� 총수익을 조달하는 � 건의 관� 사모 인수� 완료했습니다. 회사� 보통주와 프리펀디드 워런트를 매각했으�, 그중 별도 매각� 통해 최대 17,618,041주를 � $25,000,000� 구매� � 있는 프리펀디드 워런트를 판매했습니다. 이전 인수� $60 million� 조달했습니다. � 번째 인수에서 프리펀디드 워런트의 1개당 매입 가격은 $1.419였�, 워런트의 행사가격은 주당 $0.001이며 언제든지 행사� � 있고 만료되지 않습니다.

� 자금 조달은 2025� 8� 13�� 마감되었으며, X4� 완전 희석 기준으로 유통 주식 수가 � 87.2 million주가 � 것이라고 보고했습니다. 증권은 등록 면제(Regulation D)� 따른 사적 거래� 판매되었�, 회사� 발행� 주식 � 프리펀디드 워런트에 따른 주식� 재판매를 등록하기 위해 등록명세서를 제출하기� 합의했습니다. 계약� 사본� 보도자료� 증빙서류� 제출되어 있습니다.

X4 Pharmaceuticals a réalisé deux placements privés liés qui ont permis de lever un produit brut global de 85 000 000 $. La société a vendu des actions ordinaires et des warrants préfinancés, y compris une vente distincte de warrants préfinancés donnant droit à l'achat jusqu'à 17,618,041 actions pour environ 25 000 000 $. Le placement antérieur avait levé 60 million $. Le prix d'achat par warrant préfinancé lors du deuxième placement était de $1.419 ; les warrants ont un prix d'exercice de $0.001 par action, sont exerçables à tout moment et n'expirent pas.

Les financements ont été clôturés le 13 août 2025, et X4 a déclaré que, sur une base totalement diluée, les actions en circulation seront d'environ 87.2 million. Les titres ont été vendus dans des transactions privées en vertu d'exemptions d'enregistrement (Regulation D) et la société s'est engagée à déposer une déclaration d'enregistrement pour enregistrer la revente des actions émises et des actions sous-jacentes aux warrants préfinancés. Des copies des accords et un communiqué de presse sont déposés en tant que pièces.

X4 Pharmaceuticals hat zwei zusammenhängende Privatplatzierungen abgeschlossen, die zusammen Bruttoerlöse von $85,000,000 einbrachten. Das Unternehmen verkaufte Stammaktien und vorfinanzierte Warrants, darunter einen separaten Verkauf vorfinanzierter Warrants, die zum Kauf von bis zu 17,618,041 Aktien für etwa $25,000,000 berechtigen. Die frühere Platzierung erzielte $60 million. Der Kaufpreis pro vorfinanziertem Warrant in der zweiten Platzierung betrug $1.419; die Warrants haben einen Ausübungspreis von $0.001 je Aktie, sind jederzeit ausübbar und laufen nicht ab.

Die Finanzierungen wurden am 13. August 2025 abgeschlossen, und X4 gab an, dass die ausstehenden Aktien auf voll verwässerter Basis etwa 87.2 million betragen werden. Die Wertpapiere wurden in privaten Transaktionen unter Ausnahmen von der Registrierung (Regulation D) verkauft, und das Unternehmen verpflichtete sich, eine Registrierungserklärung einzureichen, um den Wiederverkauf der ausgegebenen Aktien und der den vorfinanzierten Warrants zugrundeliegenden Aktien zu registrieren. Kopien der Vereinbarungen und eine Pressemitteilung sind als Anlagen eingereicht.

Positive
  • Aggregate gross proceeds of $85,000,000 were raised through two private placements.
  • Pre-funded warrants sold are exercisable at $0.001 and do not expire, offering flexibility for warrant holders.
  • Registration Rights Agreement executed and exhibits filed, indicating the company will register resale of the issued shares and underlying warrants.
Negative
  • Fully-diluted shares outstanding will be approximately 87.2 million, reflecting dilution to existing shareholders.
  • Pre-funded warrants issued at a $0.001 exercise price are highly dilutive when exercised, increasing potential share issuance.

Insights

TL;DR: X4 raised significant liquidity�$85M—through private placements, using pre-funded warrants and registration rights to enable future resale.

The company executed two private placements totaling aggregate gross proceeds of $85,000,000, including a second placement selling pre-funded warrants to purchase up to 17,618,041 shares for approximately $25,000,000. The pre-funded warrants carry a $0.001 exercise price and are non-expiring. Transactions were completed under Regulation D exemptions with investors representing they are accredited; X4 agreed to file a registration statement to permit resale. These are material financing events that increase liquidity and provide registered resale mechanics, as reflected by the filed Securities Purchase Agreement and Registration Rights Agreement exhibits.

TL;DR: The financings materially increase capital but expand fully-diluted share count to ~87.2M; registration rights aim to enable future liquidity for investors.

The filings show the first private placement of $60 million plus a second placement of approximately $25,000,000 in pre-funded warrants, closed on August 13, 2025. The transaction structure—pre-funded warrants exercisable at $0.001 with no expiration—will affect capitalization and produce a reported fully-diluted share count of about 87.2 million. X4 has contractual registration rights and has filed related agreements as exhibits, which is standard to enable resale after registration. The company included customary forward-looking statement qualifiers regarding closing conditions and filing timelines.

X4 Pharmaceuticals ha completato due collocamenti privati collegati che hanno raccolto proventi lordi complessivi pari a $85,000,000. La società ha venduto azioni ordinarie e warrant prefinanziati, inclusa una vendita separata di warrant prefinanziati per l'acquisto di fino a 17,618,041 azioni per circa $25,000,000. Il collocamento precedente aveva raccolto $60 million. Il prezzo di acquisto per ciascun warrant prefinanziato nel secondo collocamento è stato di $1.419; i warrant hanno un prezzo di esercizio di $0.001 per azione, sono esercitabili in qualsiasi momento e non scadono.

I finanziamenti si sono chiusi il 13 agosto 2025 e X4 ha riportato che, su base completamente diluita, le azioni in circolazione saranno circa 87.2 million. I titoli sono stati venduti in transazioni private ai sensi delle esenzioni dalla registrazione (Regulation D) e la società si è impegnata a depositare una dichiarazione di registrazione per registrare la rivendita delle azioni emesse e delle azioni sottostanti i warrant prefinanziati. Copie degli accordi e un comunicato stampa sono depositati come allegati.

X4 Pharmaceuticals completó dos colocaciones privadas relacionadas que recaudaron un total bruto agregado de $85,000,000. La compañía vendió acciones ordinarias y warrants prefinanciados, incluida una venta separada de warrants prefinanciados para comprar hasta 17,618,041 acciones por aproximadamente $25,000,000. La colocación anterior recaudó $60 million. El precio de compra por warrant prefinanciado en la segunda colocación fue de $1.419, y los warrants tienen un precio de ejercicio de $0.001 por acción, son ejercitables en cualquier momento y no vencen.

Los financiamientos se cerraron el 13 de agosto de 2025, y X4 informó que, sobre una base totalmente diluida, las acciones en circulación serán aproximadamente 87.2 million. Los valores se vendieron en transacciones privadas bajo exenciones de registro (Regulation D) y la compañía aceptó presentar una declaración de registro para inscribir la reventa de las acciones emitidas y de las acciones subyacentes a los warrants prefinanciados. Copias de los acuerdos y un comunicado de prensa están presentados como anexos.

X4 Pharmaceuticals� � 85,000,000달러� 총수익을 조달하는 � 건의 관� 사모 인수� 완료했습니다. 회사� 보통주와 프리펀디드 워런트를 매각했으�, 그중 별도 매각� 통해 최대 17,618,041주를 � $25,000,000� 구매� � 있는 프리펀디드 워런트를 판매했습니다. 이전 인수� $60 million� 조달했습니다. � 번째 인수에서 프리펀디드 워런트의 1개당 매입 가격은 $1.419였�, 워런트의 행사가격은 주당 $0.001이며 언제든지 행사� � 있고 만료되지 않습니다.

� 자금 조달은 2025� 8� 13�� 마감되었으며, X4� 완전 희석 기준으로 유통 주식 수가 � 87.2 million주가 � 것이라고 보고했습니다. 증권은 등록 면제(Regulation D)� 따른 사적 거래� 판매되었�, 회사� 발행� 주식 � 프리펀디드 워런트에 따른 주식� 재판매를 등록하기 위해 등록명세서를 제출하기� 합의했습니다. 계약� 사본� 보도자료� 증빙서류� 제출되어 있습니다.

X4 Pharmaceuticals a réalisé deux placements privés liés qui ont permis de lever un produit brut global de 85 000 000 $. La société a vendu des actions ordinaires et des warrants préfinancés, y compris une vente distincte de warrants préfinancés donnant droit à l'achat jusqu'à 17,618,041 actions pour environ 25 000 000 $. Le placement antérieur avait levé 60 million $. Le prix d'achat par warrant préfinancé lors du deuxième placement était de $1.419 ; les warrants ont un prix d'exercice de $0.001 par action, sont exerçables à tout moment et n'expirent pas.

Les financements ont été clôturés le 13 août 2025, et X4 a déclaré que, sur une base totalement diluée, les actions en circulation seront d'environ 87.2 million. Les titres ont été vendus dans des transactions privées en vertu d'exemptions d'enregistrement (Regulation D) et la société s'est engagée à déposer une déclaration d'enregistrement pour enregistrer la revente des actions émises et des actions sous-jacentes aux warrants préfinancés. Des copies des accords et un communiqué de presse sont déposés en tant que pièces.

X4 Pharmaceuticals hat zwei zusammenhängende Privatplatzierungen abgeschlossen, die zusammen Bruttoerlöse von $85,000,000 einbrachten. Das Unternehmen verkaufte Stammaktien und vorfinanzierte Warrants, darunter einen separaten Verkauf vorfinanzierter Warrants, die zum Kauf von bis zu 17,618,041 Aktien für etwa $25,000,000 berechtigen. Die frühere Platzierung erzielte $60 million. Der Kaufpreis pro vorfinanziertem Warrant in der zweiten Platzierung betrug $1.419; die Warrants haben einen Ausübungspreis von $0.001 je Aktie, sind jederzeit ausübbar und laufen nicht ab.

Die Finanzierungen wurden am 13. August 2025 abgeschlossen, und X4 gab an, dass die ausstehenden Aktien auf voll verwässerter Basis etwa 87.2 million betragen werden. Die Wertpapiere wurden in privaten Transaktionen unter Ausnahmen von der Registrierung (Regulation D) verkauft, und das Unternehmen verpflichtete sich, eine Registrierungserklärung einzureichen, um den Wiederverkauf der ausgegebenen Aktien und der den vorfinanzierten Warrants zugrundeliegenden Aktien zu registrieren. Kopien der Vereinbarungen und eine Pressemitteilung sind als Anlagen eingereicht.

0001501697FALSE00015016972025-08-122025-08-12


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
X4 PHARMACEUTICALS, INC.
(Exact name of registrant as specified in its charter)
         Delaware001-3829527-3181608
        (State or other jurisdiction of incorporation)(Commission File Number)(IRS Employer Identification No.)
61 North Beacon Street,4th Floor
Boston,Massachusetts02134
(Address of principal executive offices)(Zip Code)

(857) 529-8300
(Registrant’s telephone number, including area code)

Not applicable
(Former name or former address, if changed since last report)
_______________________________________________________________________________________________________
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 classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.001 per shareXFORThe Nasdaq Stock Market LLC

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 1.01Entry into a Definitive Material Agreement.
On August 12, 2025, X4 Pharmaceuticals, Inc. previously announced the entry into a Securities Purchase Agreement with certain institutional investors for the offering and sale of $60 million of common stock and pre-funded warrants (the “First Private Placement”). Also on August 12, 2025, the Company subsequently entered into a separate Securities Purchase Agreement and Registration Rights Agreement with a third-party investment fund, under which the Company has agreed to sell pre-funded warrants to purchase up to 17,618,041 shares of common stock for gross proceeds of approximately $25,000,000 million and register the underlying securities for resale (the “Second Private Placement”). The purchase price per pre-funded warrant is $1.419. The pre-funded warrants have an exercise price of $0.001 per share, are exercisable at any time after their original issuance and will not expire. On August 13, 2025, the Company closed the foregoing financing transactions and raised aggregate gross proceeds of $85,000,000 million, before deducting placement agent fees and other expenses. Following the closing, the fully-diluted shares outstanding will be approximately 87.2 million.

The securities sold in this financing are being made in a transaction not involving a public offering and have not been registered under the Securities Act of 1933, as amended, and may not be offered or sold in the United States except pursuant to an effective registration statement or an applicable exemption from the registration requirements. X4 has agreed to file a registration statement with the Securities and Exchange Commission registering the resale of the shares of common stock and the shares of its common stock underlying the pre‐funded warrants sold in this financing. This press release shall not constitute an offer to sell or a solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or other jurisdiction.

Copies of the Securities Purchase Agreement and the Registration Rights Agreement are filed as Exhibits 10.1 and 10.2 hereto, respectively, and incorporated by reference herein.

Item 3.02Unregistered Sales of Equity Securities.
To the extent required by Item 3.02 of Form 8-K, the information contained above in Item 1.01 relating to the Second Private Placement is hereby incorporated by reference into this Item 3.02. Based in part upon the representations of the Investors in the Securities Purchase Agreement, the offering and sale of the securities will be made in reliance on the exemption afforded by Regulation D under the Securities Act of 1933, as amended (the “Securities Act”), and corresponding provisions of state securities or “blue sky” laws. The securities will not be registered under the Securities Act or any state securities laws and may not be offered or sold in the United States absent registration with the SEC or an applicable exemption from the registration requirements. The sale of the securities will not involve a public offering and will be made without general solicitation or general advertising. The Investors represented that they are accredited investors, as such term is defined in Rule 501(a) of Regulation D under the Securities Act, and that they are acquiring the securities for investment purposes only and not with a view to any resale, distribution or other disposition of the securities in violation of the U.S. federal securities laws. A Form D filing will be made following the closing of the Second Private Placement in accordance with the requirements of Regulation D.

Neither this Current Report on Form 8-K nor any exhibit attached hereto is an offer to sell or the solicitation of an offer to buy shares of Common Stock or other securities of the Company.




Item 8.01Other Events.
On August 13, 2025, the Company issued a press release announcing the closing of the First Private Placement and the Pricing of the Second Private Placement. A copy of the press release is filed as Exhibit 99.1 hereto and incorporated by reference herein.




Forward-Looking Statements

This Form 8-K contains forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995, including without limitation express or implied statements regarding the expected closing of the Private Placement, anticipated proceeds from the Private Placement and the use thereof, the Company’s plans to file a registration statement to register the resale of the shares of Common Stock to be issued and sold in the Private Placement and the issuance of the shares of Common Stock issuable upon exercise of the Pre-Funded Warrants, and the anticipated timeline of the leadership changes and related compensation arrangements. The words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “target,” “should,” “would,” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Actual results or events could differ materially from the plans, intentions and expectations disclosed in these forward-looking statements as a result of various important factors, including risks relating to the Company’s inability, or the inability of the Investors, to satisfy the conditions to closing for the Private Placement; the closing of the Private Placement; and other risks and uncertainties described under the caption “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 and Quarterly Report on Form 10-Q for the quarter ended June 30, 2025, which is on file with the SEC; and risks described in other filings that the Company makes with the SEC in the future. Any forward-looking statements contained in this Form 8-K speak only as of the date hereof, and the Company expressly disclaims any obligation to update any forward-looking statements, whether because of new information, future events or otherwise.


Item 9.01Financial Statements and Exhibits.
Exhibit No.Description
10.1
Securities Purchase Agreement, dated August 12, 2025, by and among X4 Pharmaceuticals, Inc. and the persons party thereto.
10.2
Registration Rights Agreement, dated August 12, 2025, by and among X4 Pharmaceuticals, Inc. and the persons party thereto.
99.1
Press Release issued by X4 Pharmaceuticals, Inc., dated August 13, 2025.
104Cover Page Interactive Data File (embedded within the Inline XBRL document).






SIGNATURES

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.


X4 PHARMACEUTICALS, INC.
Date: August 13, 2025By:/s/ Natasha Thoren
Natasha Thoren
Chief Legal Officer

FAQ

What did X4 (XFOR) announce in this 8-K?

The company announced two private placements that closed on August 13, 2025, raising aggregate gross proceeds of $85,000,000 and selling pre-funded warrants to purchase up to 17,618,041 shares.

How were the securities structured in X4's financing?

The financings included common stock and pre-funded warrants with a purchase price per pre-funded warrant of $1.419 and an exercise price of $0.001 per share; the warrants are exercisable at any time and do not expire.

Will X4 register the resale of the securities?

Yes. X4 entered into a Registration Rights Agreement and agreed to file a registration statement to register resale of the shares and shares underlying the pre-funded warrants; exhibits 10.1 and 10.2 are filed.

Under what exemption were the securities sold?

The offering and sale of the securities were made in reliance on Regulation D exemptions, and the investors represented they are accredited investors.

What is the reported impact on share count?

Following the closings, X4 reported that fully-diluted shares outstanding will be approximately 87.2 million.
X4 Pharmaceuticals Inc

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10.19M
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Biotechnology
Biological Products, (no Disgnostic Substances)
United States
BOSTON