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Form SCHEDULE 13D/A Nkarta, Inc. Filed by: New Enterprise Associates 15, L.P.

May 19, 2026 4:04 PM





If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D






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SCHEDULE 13D






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SCHEDULE 13D






SCHEDULE 13D


New Enterprise Associates 15, L.P.
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Anthony A. Florence Jr., Managing Partner and Co-Chief Executive Officer
Date:05/19/2026
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Mohamad H. Makhzoumi, Managing Partner and Co-Chief Executive Officer
Date:05/19/2026
NEA Partners 15, L.P.
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Anthony A. Florence Jr., Managing Partner and Co-Chief Executive Officer
Date:05/19/2026
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Mohamad H. Makhzoumi, Managing Partner and Co-Chief Executive Officer
Date:05/19/2026
NEA 15 GP, LLC
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Anthony A. Florence Jr., Managing Partner and Co-Chief Executive Officer
Date:05/19/2026
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Mohamad H. Makhzoumi, Managing Partner and Co-Chief Executive Officer
Date:05/19/2026
Forest Baskett
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Forest Baskett
Date:05/19/2026
Anthony A. Florence, Jr.
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Anthony A. Florence Jr.
Date:05/19/2026
Mohamad H. Makhzoumi
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Mohamad H. Makhzoumi
Date:05/19/2026
Scott D. Sandell
Signature:/s/ Nicole Hatcher
Name/Title:Nicole Hatcher as attorney-in-fact for Scott D. Sandell
Date:05/19/2026
Comments accompanying signature:
This Amendment No. 3 to Schedule 13D was executed by Nicole Hatcher on behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which is attached as Exhibit 2.

ATTACHMENTS / EXHIBITS

AGREEMENT REGARDING FILING OF JOINT SCHEDULE 13D

POWER OF ATTORNEY REGARDING FILINGS UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

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