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BCS

Changes in Beneficial Ownership · 4

Nkarta, Inc.

NKTXNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Jun 11, 2026Accepted Jun 11, 2026, 4:07 PM EDTFiling CIK 1787400Accession 0001193125-26-267521
Share

Structured filing — 4

ownership.xml

Open full document ↗

Filing details

Report period
2026-06-10
Issuer
Nkarta, Inc.
Issuer CIK
0001787400
Trading symbol
NKTX

Reporting owner 1

Name
PATTERSON LEONE D
Reporting owner CIK
0001233539
Relationship
Director
Address
C/O NKARTA, INC., 1150 VETERANS BOULEVARD, SOUTH SAN FRANCISCO, CA, 94080

Derivative transactions

Derivative transactions · 1 reported row
SecurityConversion / exercise price (USD)Transaction dateCodeAmountA / DPrice (USD)ExercisableExpiresUnderlying securityUnderlying sharesOwned afterOwnership
Stock Option (right to buy)2.462026-06-10A · Form 437,000A0[F1]2036-06-09Common Stock37,00037,000D
Table key
A · Form 4
Acquisition by grant, award or otherwise under Rule 16b-3(d)
A
Acquired
D
Direct

Footnotes

F1
All shares subject to the option vest 100% on the first to occur of (i) June 10, 2027 or (ii) the day immediately preceding the first annual meeting of the Issuer's stockholders to occur after the date of grant of the award. Each grant, to the extent outstanding and otherwise unvested, will become fully vested should a "change in control" of the Issuer occur (as described in the applicable award agreement) or upon the Reporting Person's separation from service with the Issuer due to the Reporting Person's death or "disability" (as described in the applicable award agreement).↩ 1

Signature 1

Signed
/s/ Bridgette Housley, as Attorney-in-Fact
Date
2026-06-11

Company context

Nkarta is a clinical-stage biotechnology company advancing the development of allogeneic, off-the-shelf natural killer (NK) cell therapies for people living with autoimmune diseases. By harnessing the power of the innate immune system to eliminate pathogenic B cells driving the autoimmune response, Nkarta is advancing novel cell therapies engineered for deep therapeutic impact. The on-demand availability and outpatient dosing of our CAR-NK cells enables a broad population of patients with different autoimmune conditions to conveniently access NK cell therapy in community health settings. For more information, please visit the company’s website at www.nkartatx.com.

Current securities

Recent company filings

  1. 10-Q filingAug 10, 2026
  2. Results of Operations and Financial ConditionAug 10, 2026
  3. 4 filingJun 22, 2026
  4. Submission of Matters to a Vote of Security HoldersJun 11, 2026
  5. 10-Q filingMay 12, 2026

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