|
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 4)*
|
X4 Pharmaceuticals, Inc. (Name of Issuer) |
Common Stock, par value $0.001 per share (Title of Class of Securities) |
98420X202 (CUSIP Number) |
Stephanie Brecher New Enterprise Associates, 1954 Greenspring Drive, Suite 600 Timonium, MD, 21093 (410)842-4000 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
10/27/2025 (Date of Event Which Requires Filing of This Statement) |

SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Growth Equity Opportunities 18 VGE, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
NEA 18 Venture Growth Equity, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
NEA Partners 18 VGE, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
NEA 18 VGE GP, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Ali Behbahani | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Carmen Chang | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Anthony A. Florence, Jr. | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Mohamad H. Makhzoumi | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Edward T. Mathers | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Scott D. Sandell | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Paul Walker | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| CUSIP No. | 98420X202 |
| 1 |
Name of reporting person
Rick Yang | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
5,057,610.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
6.2 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| Item 1. | Security and Issuer | |
| (a) | Title of Class of Securities:
Common Stock, par value $0.001 per share | |
| (b) | Name of Issuer:
X4 Pharmaceuticals, Inc. | |
| (c) | Address of Issuer's Principal Executive Offices:
61 North Beacon Street, 4th Floor, Boston,
MASSACHUSETTS
, 02134. | |
Item 1 Comment:
This Amendment No. 4 ("Amendment No. 4") to Schedule 13D amends and supplements the Schedule 13D originally filed on July 19, 2022 (the "Schedule 13D"), Amendment No. 1 thereto filed on December 20, 2022 ("Amendment No. 1"), Amendment No. 2 thereto filed on May 26, 2023 ("Amendment No. 2"), and Amendment No. 3 thereto filed on August 15, 2025 ("Amendment No. 3"), relating to the Common Stock of the Issuer.
Certain terms used but not defined in this Amendment No. 4 have the meanings assigned thereto in the Schedule 13D (and Amendment No. 1, Amendment No. 2 and Amendment No. 3 thereto). Except as specifically provided herein, this Amendment No. 4 does not modify any of the information previously reported on the Schedule 13D (and Amendment No. 1, Amendment No. 2 and Amendment No. 3 thereto). | ||
| Item 2. | Identity and Background | |
| (a) | Growth Equity Opportunities 18 VGE, LLC ("GEO"); NEA 18 Venture Growth Equity, L.P. ("NEA 18 VGE"), which is the sole member of GEO; NEA Partners 18 VGE, L.P. ("NEA Partners 18 VGE"), which is the sole general partner of NEA 18 VGE; and NEA 18 VGE GP, LLC ("NEA 18 VGE LLC" and together with NEA Partners 18 VGE, the "Control Entities"), which is the sole general partner of NEA Partners 18 VGE; and Ali Behbahani ("Behbahani"), Carmen Chang ("Chang"), Anthony A. Florence, Jr. ("Florence"), Mohamad H. Makhzoumi ("Makhzoumi"), Edward T. Mathers ("Mathers"), Scott D. Sandell ("Sandell"), Paul Walker ("Walker") and Rick Yang ("Yang") (together, the "Managers"). The Managers are the managers of NEA 18 VGE LLC.
The persons named in this Item 2 are referred to individually herein as a "Reporting Person" and collectively as the "Reporting Persons." | |
| (b) | The address of the principal business office of GEO, NEA 18 VGE, each Control Entity and Sandell is New Enterprise Associates, 1954 Greenspring Drive, Suite 600, Timonium, MD 21093. The address of the principal business office of Behbahani, Chang, Makhzoumi, Walker and Yang is New Enterprise Associates, 2855 Sand Hill Road, Menlo Park, CA 94025. The address of the principal business office of Florence and Mathers is New Enterprise Associates, 104 5th Avenue, 19th Floor, New York, NY 10011. | |
| (c) | The principal business of GEO and NEA 18 VGE is to invest in and assist growth-oriented businesses located principally in the United States. The principal business of NEA Partners 18 VGE is to act as the sole general partner of NEA 18 VGE. The principal business of NEA 18 VGE LLC is to act as the sole general partner of NEA Partners 18 VGE. The principal business of each of the Managers is to manage the Control Entities, GEO and a number of affiliated partnerships with similar businesses. | |
| (d) | During the five years prior to the date hereof, none of the Reporting Persons has been convicted in a criminal proceeding or has been a party to a civil proceeding ending in a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. | |
| (e) | During the five years prior to the date hereof, none of the Reporting Persons has been convicted in a criminal proceeding or has been a party to a civil proceeding ending in a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. | |
| (f) | GEO and NEA 18 VGE LLC are limited liability companies organized under the laws of the State of Delaware. NEA 18 VGE and NEA Partners 18 VGE are limited partnerships organized under the laws of the State of Delaware. Each of the Managers is a United States citizen. | |
| Item 3. | Source and Amount of Funds or Other Consideration | |
Item 3 is hereby amended to add the following:
On October 27, 2025, the Issuer completed the closing of an underwritten offering (the "Offering") of (i) 52,844,000 shares of Common Stock and (ii) pre-funded warrants to purchase 700,000 shares of Common Stock.
In connection with the Offering, GEO purchased 1,000,000 shares of Common Stock at a purchase price of $2.90 per share.
GEO now owns a total of 3,233,744 shares of Common Stock and a right, upon exercise of the 2025 GEO Pre-Funded Warrants, the Pre-Funded Warrants, GEO Class C Warrants and/or the GEO Warrants and taking into account their respective beneficial ownership limitations, to purchase up to 1,823,866 shares of Common Stock (the "Exercisable Shares") for a total deemed ownership of 5,057,610 shares of Common Stock (the "GEO Shares").
The working capital of GEO is the source of the funds for the purchase of the GEO Shares. No part of the purchase price of the GEO Shares is represented by funds or other consideration borrowed or otherwise obtained for the purpose of acquiring, holding, trading or voting the GEO Shares. | ||
| Item 4. | Purpose of Transaction | |
GEO acquired the GEO Shares for investment purposes. Information with respect to the Offering set forth in Item 3 above is incorporated herein by reference to the extent responsive to this Item 4.
Subject to the foregoing, depending on market conditions, its continuing evaluation of the business and prospects of the Issuer and other factors, GEO and other Reporting Persons may dispose of or acquire additional shares of the Issuer. Except as set forth above, none of the Reporting Persons has any present plans which relate to or would result in:
(a) The acquisition by any person of additional securities of the Issuer, or the disposition of securities of the Issuer;
(b) An extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries;
(c) A sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries;
(d) Any change in the present board of directors or management of the Issuer, including any plans or proposals to change the number or term of directors or to fill any existing vacancies on the board;
(e) Any material change in the present capitalization or dividend policy of the Issuer;
(f) Any other material change in the Issuer's business or corporate structure;
(g) Changes in the Issuer's charter, bylaws or instruments corresponding thereto or other actions which may impede the acquisition of control of the Issuer by any person;
(h) Causing a class of securities of the Issuer to be delisted from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a registered national securities association;
(i) A class of equity securities of the Issuer becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Securities Exchange Act of 1934; or
(j) Any action similar to any of those enumerated above. | ||
| Item 5. | Interest in Securities of the Issuer | |
| (a) | GEO is the record owner of the GEO Shares. As the sole member of GEO, NEA 18 VGE may be deemed to own beneficially the GEO Shares. As the sole general partner of NEA 18 VGE, NEA Partners 18 VGE may be deemed to own beneficially the GEO Shares. As the sole general partner of NEA Partners 18 VGE, NEA 18 VGE LLC may be deemed to own beneficially the GEO Shares. As members of NEA 18 VGE LLC, each of the Managers may be deemed to own beneficially the GEO Shares.
Each Reporting Person disclaims beneficial ownership of the GEO Shares other than those shares which such person owns of record.
The percentage of outstanding Common Stock of the Issuer which may be deemed to be beneficially owned by each Reporting Person is set forth on Line 13 of such Reporting Person's cover sheet. Such percentage was calculated based on 81,038,574 shares of Common Stock, which includes the sum of (i) 79,214,708 shares of Common Stock reported by the Issuer to be outstanding following the Offering as described in the Issuer's press release published on October 27, 2025 and (ii) the Exercisable Shares. | |
| (b) | Regarding the number of shares as to which such person has:
(i) sole power to vote or to direct the vote: See line 7 of cover sheets
(ii) shared power to vote or to direct the vote: See line 8 of cover sheets
(iii) sole power to dispose or to direct the disposition: See line 9 of cover sheets
(iv) shared power to dispose or to direct the disposition: See line 10 of cover sheets. | |
| (c) | Except as set forth in Item 3 above, none of the Reporting Persons has effected any transaction in the Common Stock during the last 60 days. | |
| (d) | No other person is known to have the right to receive or the power to direct the receipt of dividends from, or any proceeds from the sale of, Common Stock beneficially owned by any of the Reporting Persons. | |
| (e) | Not applicable. | |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer | |
Not applicable. | ||
| Item 7. | Material to be Filed as Exhibits. | |
Exhibit 1 - Agreement regarding filing of joint Schedule 13D.
Exhibit 2 - Power of Attorney regarding filings under the Securities Exchange Act of 1934, as amended. | ||
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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Comments accompanying signature:
This Amendment No. 4 to Schedule 13D was executed by Zachary Bambach on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which is attached as Exhibit 2. |
EXHIBIT 1
AGREEMENT
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need be filed with respect to the ownership by each of the undersigned of shares of stock of X4 Pharmaceuticals, Inc.
EXECUTED this 29th day of October, 2025.
GROWTH EQUITY OPPORTUNITIES 18 VGE, LLC
| By: | NEA 18 VENTURE GROWTH EQUITY, L.P. Sole Member |
| By: | NEA PARTNERS 18 VGE, L.P. General Partner |
| By: | NEA 18 VGE GP, LLC General Partner |
By: *
Anthony A. Florence, Jr.
Managing Partner and Co-Chief Executive Officer
By: *
Mohamad Makhzoumi
Managing Partner and Co-Chief Executive Officer
NEA 18 VENTURE GROWTH EQUITY, L.P.
| By: | NEA PARTNERS 18 VGE, L.P. General Partner |
| By: | NEA 18 VGE GP, LLC General Partner |
By: *
Anthony A. Florence, Jr.
Managing Partner and Co-Chief Executive Officer
By: *
Mohamad Makhzoumi
Managing Partner and Co-Chief Executive Officer
NEA PARTNERS 18 VGE, L.P.
| By: | NEA
18 VGE GP, LLC General Partner |
By: *
Anthony A. Florence, Jr.
Managing Partner and Co-Chief Executive Officer
By: *
Mohamad Makhzoumi
Managing Partner and Co-Chief Executive Officer
NEA 18 VGE GP, LLC
By: *
Anthony A. Florence, Jr.
Managing Partner and Co-Chief Executive Officer
By: *
Mohamad Makhzoumi
Managing Partner and Co-Chief Executive Officer
*
Ali Behbahani
*
Carmen Chang
*
Anthony A. Florence, Jr.
*
Mohamad H. Makhzoumi
*
Edward T. Mathers
*
Scott D. Sandell
*
Paul Walker
*
Rick Yang
*/s/ Zachary Bambach
Zachary Bambach
As attorney-in-fact
This Agreement relating to Schedule 13D was executed by Zachary Bambach on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which is attached hereto as Exhibit 2.
EXHIBIT 2
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints Zachary Bambach, Nicole Hatcher and Stephanie Brecher, and each of them, with full power to act without the others, his or her true and lawful attorney-in-fact, with full power of substitution, to sign any and all instruments, certificates and documents that may be necessary, desirable or appropriate to be executed on behalf of himself as an individual or in his or her capacity as a direct or indirect general partner, director, officer or manager of any partnership, corporation or limited liability company, pursuant to section 13 or 16 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and any and all regulations promulgated thereunder, including, without limitation, Forms 3, 4 and 5 and Schedules 13D and 13G (and any amendments thereto), and to file the same, with all exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission (the “SEC”), including, but not limited to, signing a Form ID for and on behalf of the undersigned and filing such Form ID with the SEC, and with any other entity when and if such is mandated by the Exchange Act or by the Financial Industry Regulatory Authority, granting unto said attorney-in-fact full power and authority to do and perform each and every act and thing necessary, desirable or appropriate, fully to all intents and purposes as he or she might or could do in person, thereby ratifying and confirming all that said attorney-in-fact, or his or her substitutes, may lawfully do or cause to be done by virtue hereof. This power of attorney is perpetual, unless revoked by the undersigned in a signed writing delivered to each of the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 29th day of February, 2024.
| /s/ Peter J. Barris | |
| Peter J. Barris | |
| /s/ Forest Baskett | |
| Forest Baskett | |
| /s/ Ali Behbahani | |
| Ali Behbahani | |
| /s/ Ronald D. Bernal | |
| Ronald D. Bernal | |
| /s/ Ann Bordetsky | |
| Ann Bordetsky | |
| /s/ Carmen Chang | |
| Carmen Chang | |
| /s/ Philip Chopin | |
| Philip Chopin | |
| /s/ Anthony A. Florence, Jr. | |
| Anthony A. Florence, Jr. | |
| /s/ Jonathan Golden | |
| Jonathan Golden | |
| /s/ Scott Gottlieb | |
| Scott Gottlieb | |
| /s/ Mark Hawkins | |
| Mark Hawkins | |
| /s/ Jeffrey R. Immelt | |
| Jeffrey R. Immelt | |
| /s/ Aaron Jacobson | |
| Aaron Jacobson | |
| /s/ Patrick J. Kerins | |
| Patrick J. Kerins | |
| /s/ Hilarie Koplow-McAdams | |
| Hilarie Koplow-McAdams | |
| /s/ Vanessa Larco | |
| Vanessa Larco | |
| /s/ Julio C. Lopez | |
| Julio C. Lopez | |
| /s/ Tiffany Le | |
| Tiffany Le | |
| /s/ Mohamad H. Makhzoumi | |
| Mohamad H. Makhzoumi | |
| /s/ Edward T. Mathers | |
| Edward T. Mathers | |
| /s/ Gregory Papadopoulos | |
| Gregory Papadopoulos | |
| /s/ Kavita Patel | |
| Kavita Patel | |
| /s/ Scott D. Sandell | |
| Scott D. Sandell | |
| /s/ A. Brooke Seawell | |
| A. Brooke Seawell | |
| /s/ Peter Sonsini | |
Peter Sonsini |
|
| /s/ Melissa Taunton | |
| Melissa Taunton | |
| /s/ Paul E. Walker | |
| Paul E. Walker | |
| /s/ Rick Yang | |
| Rick Yang |