Insider Transactions Reported by 20 Insiders of Nkarta, Inc.

Symbol: NKTX on Nasdaq
Location: South San Francisco, CA

Key facts

NKTX - Nkarta, Inc. has 20 insiders with reported activity on this page.
Net insider value flow over the last year: -$68,813.
Recent transaction rows are available for direct filing-level review.

Change

Buy value: ; sell value: $68,812.
Net share flow: -33,485.

Research use

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$68,813.

Buys

Shares: 0

Insiders: 0

Sells

$68,813

Shares: 33,485

Insiders: 2

Net

-$68,813

Shares: -33,485

Insiders: -2

Window (months)	Sell shares	Buy $	Sell $	Net $
0-3	0	$0	$0	$0
3-6	31,695	$0	$65,609	-$65,609
6-9	0	$0	$0	$0
9-12	1,790	$0	$3,204	-$3,204

Nkarta, Inc. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
James Trager	Chief Scientific Officer	$845,370			Filing P/S	18 Jun 2024
Paul J. Hastings	Chief Executive Officer, Director	$807,347	-$57,119	-6.6%	Filing P/S	15 Jan 2026
David Shook	Chief Medical Officer, Head of Research & Development	$420,101			Filing P/S	15 Jan 2025
Nadir Mahmood	President	$347,194	-$11,693	-3.3%	Filing P/S	15 Jan 2026
Alicia J. Hager	Chief Legal Officer	$322,817			Filing P/S	15 Jan 2025
Ralph Brandenberger	Chief Technical Officer	$274,551			Filing P/S	15 Jan 2025
Alyssa Levin	Chief Financial and Business Officer	$225,856			Filing P/S	15 Jan 2025
Shawn Marshall Rose	Chief Medical Officer, Head of Research & Development	$134,169			Mixed	06 Jan 2026
Kanya Rajangam	Chief Medical Officer	$111,872			Mixed	14 Jan 2022
RA CAPITAL MANAGEMENT, L.P.	Director, 10%+ Owner				Mixed	05 Jun 2025
Laura Shawver	Director				Mixed	08 Jun 2022
Zachary Scheiner	Director				Mixed	05 Jun 2025
Angela Thedinga	Director				Mixed	05 Jun 2025
Michael Dybbs	Director				Mixed	05 Jun 2025
Ali Behbahani	Director				Mixed	05 Jun 2025
Tiba Aynechi	Director				Mixed	08 Jun 2022
Leone D. Patterson	Director				Mixed	05 Jun 2025
George Vratsanos	Director				Mixed	05 Jun 2025
Simeon George	Director				Mixed	05 Jun 2025
Fouad Oscar Azzam	Director				Mixed	07 Jun 2023

Top shareholders of Nkarta, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock, Inc.	13F 13D/G	Company	5% from 13D/G	4,508,473	$9,512,878	—	31 Mar 2026	13F 13D/G
New Enterprise Associates 15, L.P.	13D/G	—	4.9%	3,568,781	$10,420,841	$0	19 May 2026	13D/G
Samsara BioCapital, L.P.	13D/G	—	4.9%	3,507,666	$8,383,322	$0	20 Nov 2025	13D/G
CITADEL ADVISORS LLC	13D/G 13F	Kenneth Griffin · Company	4.1%	2,900,358	$6,003,741	$0	30 Sep 2025	13D/G 13F
LSP 6 Holding C.V.	13D/G	LSP 6 Management B.V.	4%	2,836,539	$5,985,097	$0	12 Feb 2025	13D/G
TANG CAPITAL MANAGEMENT LLC	13F 13D/G	Company	2.1% from 13D/G	1,480,823	$3,124,537	—	31 Mar 2026	13F 13D/G
Commodore Capital LP	13D/G	—	0.5%	351,848	$742,399	$0	31 Dec 2024	13D/G
RA CAPITAL MANAGEMENT, L.P.	13F 3/4/5	Company · Director, 10%+ Owner	15%	10,805,129	$22,798,822	—	31 Mar 2026	13F 3/4/5
NEA Management Company, LLC	13F	Company	4.9%	3,568,781	$7,530,128	—	31 Mar 2026	13F
Samsara BioCapital, LLC	13F	Company	4.8%	3,507,666	$7,401,175	—	31 Mar 2026	13F
SR ONE CAPITAL MANAGEMENT, LP	13F	Company	4.6%	3,333,333	$7,033,333	—	31 Mar 2026	13F
GSK plc	13F	Company	4.3%	3,150,732	$6,648,045	—	31 Mar 2026	13F
Monaco Asset Management SAM	13F	Company	3.5%	2,521,932	$5,321,277	—	31 Mar 2026	13F
Alyeska Investment Group, L.P.	13F	Company	2.9%	2,084,840	$4,399,012	—	31 Mar 2026	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	2.8%	2,047,376	$4,319,963	—	31 Mar 2026	13F
VANGUARD CAPITAL MANAGEMENT LLC	13F	Company	2.8%	2,011,421	$4,244,098	—	31 Mar 2026	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	2.4%	1,732,372	$3,655,305	—	31 Mar 2026	13F
WASATCH ADVISORS LP	13F	Company	2.2%	1,577,847	$3,329,257	—	31 Mar 2026	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.7%	1,267,915	$2,675,828	—	31 Mar 2026	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.7%	1,259,776	$2,655,000	—	31 Mar 2026	13F
STATE STREET CORP	13F	Company	1.7%	1,237,474	$2,611,070	—	31 Mar 2026	13F
AWM Investment Company, Inc.	13F	Company	1.2%	906,000	$1,911,660	—	31 Mar 2026	13F
Peapod Lane Capital LLC	13F	Company	0.93%	676,212	$1,407,095	—	31 Mar 2026	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.82%	595,726	$1,256,983	—	31 Mar 2026	13F
JPMORGAN CHASE & CO	13F	Company	0.79%	575,001	$1,150,002	—	31 Mar 2026	13F
Nuveen, LLC	13F	Company	0.61%	445,798	$940,634	—	31 Mar 2026	13F
NORTHERN TRUST CORP	13F	Company	0.57%	417,172	$880,232	—	31 Mar 2026	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.53%	385,000	$812,349	—	31 Mar 2026	13F
D. E. Shaw & Co., Inc.	13F	Company	0.49%	356,932	$753,127	—	31 Mar 2026	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.48%	346,593	$730,923	—	31 Mar 2026	13F
VANGUARD FIDUCIARY TRUST CO	13F	Company	0.45%	328,040	$692,164	—	31 Mar 2026	13F
MORGAN STANLEY	13F	Company	0.43%	313,054	$660,544	—	31 Mar 2026	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.39%	287,365	$606,000	—	31 Mar 2026	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.39%	284,210	$599,683	—	31 Mar 2026	13F
VANGUARD PORTFOLIO MANAGEMENT LLC	13F	Company	0.37%	272,079	$574,087	—	31 Mar 2026	13F
NANO CAP NEW MILLENNIUM GROWTH FUND L P	13F	Company	0.24%	175,000	$369,250	—	31 Mar 2026	13F
Woodline Partners LP	13F	Company	0.23%	168,110	$354,712	—	31 Mar 2026	13F
XTX Topco Ltd	13F	Company	0.21%	153,816	$324,552	—	31 Mar 2026	13F
Man Group plc	13F	Company	0.21%	152,622	$322,032	—	31 Mar 2026	13F
Invesco Ltd.	13F	Company	0.21%	150,940	$318,484	—	31 Mar 2026	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.2%	145,688	$307,402	—	31 Mar 2026	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.18%	130,975	$276,357	—	31 Mar 2026	13F
FMR LLC	13F	Company	0.18%	129,099	$272,399	—	31 Mar 2026	13F
BARCLAYS PLC	13F	Company	0.17%	123,493	$260,571	—	31 Mar 2026	13F
JANE STREET GROUP, LLC	13F	Company	0.17%	120,304	$253,842	—	31 Mar 2026	13F
Bank of New York Mellon Corp	13F	Company	0.15%	110,004	$232,108	—	31 Mar 2026	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.15%	107,800	$227,458	—	31 Mar 2026	13F
IEQ CAPITAL, LLC	13F	Company	0.14%	102,849	$217,011	—	31 Mar 2026	13F
STIFEL FINANCIAL CORP	13F	Company	0.13%	95,203	$200,878	—	31 Mar 2026	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.13%	94,851	$200,136	—	31 Mar 2026	13F

Recent Insider Transactions by Companies or Individuals for Nkarta, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Paul J. Hastings	NKTX	Common Stock	Sale	-6.26%	$53,915	$2.07	-26,046	390,023	15 Jan 2026	Direct
Nadir Mahmood	NKTX	Common Stock	Sale	-3.26%	$11,693	$2.07	-5,649	167,727	15 Jan 2026	Direct
Shawn Marshall Rose	NKTX	Common Stock	Award				70,000	70,000	06 Jan 2026	Direct
Shawn Marshall Rose	NKTX	Stock Option (right to buy)	Award				139,000	139,000	06 Jan 2026	Direct
Nadir Mahmood	NKTX	Common Stock	Award	85.7%			80,000	173,376	06 Jan 2026	Direct
Nadir Mahmood	NKTX	Stock Option (right to buy)	Award				160,000	160,000	06 Jan 2026	Direct
Paul J. Hastings	NKTX	Common Stock	Award	29.2%			94,000	416,069	06 Jan 2026	Direct
Paul J. Hastings	NKTX	Stock Option (right to buy)	Award				562,000	562,000	06 Jan 2026	Direct
Shawn Marshall Rose	NKTX	Stock Option (right to buy)	Award				500,000	500,000	23 Jun 2025	Direct
Paul J. Hastings	NKTX	Common Stock	Sale	-0.56%	$3,204	$1.79	-1,790	320,069	18 Jun 2025	Direct
Simeon George	NKTX	Stock Option (right to buy)	Award				46,000	46,000	05 Jun 2025	Direct
Ali Behbahani	NKTX	Stock Option (right to buy)	Award				46,000	46,000	05 Jun 2025	Direct
Ra Capital Management, L.P.	NKTX	Stock Option (right to buy)	Award				46,000	46,000	05 Jun 2025	See Footnotes
Nadir Mahmood	NKTX	Stock Option (right to buy)	Award				123,500	123,500	05 Jun 2025	Direct
Paul J. Hastings	NKTX	Stock Option (right to buy)	Award				377,000	377,000	05 Jun 2025	Direct
George Vratsanos	NKTX	Stock Option (right to buy)	Award				46,000	46,000	05 Jun 2025	Direct
Angela Thedinga	NKTX	Stock Option (right to buy)	Award				46,000	46,000	05 Jun 2025	Direct
Zachary Scheiner	NKTX	Stock Option (right to buy)	Award				46,000	46,000	05 Jun 2025	Direct
Leone D. Patterson	NKTX	Stock Option (right to buy)	Award				46,000	46,000	05 Jun 2025	Direct
Michael Dybbs	NKTX	Stock Option (right to buy)	Award				46,000	46,000	05 Jun 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.