Nkarta (NKTX) president sells 5,649 shares to cover taxes

Rhea-AI Filing Summary

Nkarta, Inc. (NKTX) president Mahmood Nadir reported a small sale of company stock related to tax withholding. On January 15, 2026, he sold 5,649 shares of Common Stock at $2.07 per share. According to the footnote, these shares were sold solely to satisfy tax withholding obligations from the vesting and settlement of restricted stock units, and were not a discretionary sale. After this transaction, he directly beneficially owned 167,727 shares of Nkarta common stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mahmood Nadir

(Last) (First) (Middle)

C/O NKARTA, INC.

1150 VETERANS BOULEVARD

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Nkarta, Inc. [ NKTX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President

3. Date of Earliest Transaction (Month/Day/Year)
01/15/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/15/2026		S		5,649(1)	D	$2.07	167,727	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares sold to satisfy tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units and does not represent a discretionary transaction by the Reporting Person.

	/s/ Bridgette Housley, as Attorney-in-Fact	01/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Nkarta (NKTX) report for Mahmood Nadir?

Nkarta reported that its president, Mahmood Nadir, sold 5,649 shares of Common Stock on January 15, 2026 at a price of $2.07 per share.

Why did Nkarta (NKTX) president Mahmood Nadir sell 5,649 shares?

The filing states the 5,649 shares were sold to satisfy tax withholding obligations tied to the vesting and settlement of restricted stock units, and were not a discretionary transaction.

How many Nkarta (NKTX) shares does Mahmood Nadir hold after the reported sale?

Following the reported transaction, Mahmood Nadir beneficially owned 167,727 shares of Nkarta common stock in direct ownership.

What is the role of the reporting person in Nkarta (NKTX)?

The reporting person, Mahmood Nadir, is an officer of Nkarta and holds the title of President.

Was the Nkarta (NKTX) insider stock sale part of a Rule 10b5-1 plan?

The form includes a checkbox for indicating Rule 10b5-1(c) plan transactions, but the provided content does not indicate that this specific sale was made under such a plan.

Is the reported Nkarta (NKTX) insider sale a direct or indirect holding transaction?

The transaction is reported as affecting direct ownership (D) of Nkarta common stock by Mahmood Nadir.