Nkarta, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Nkarta, Inc. (NKTX), sourced directly from SEC EDGAR and updated as new filings are accepted.
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are NKTX insiders buying or selling?
In the last 12 months, Nkarta, Inc. insiders reported 0 open-market purchases ($0) and 3 sales ($70.4K) — net selling of $70.4K. Since July 2020, Trabud has recorded 74 Form 4 filings for NKTX: 15 buys ($290.0M) and 59 sells ($4.7M).
Source: SEC EDGAR Form 4
Key Statistics (July 2020 – Jun 22, 2026)
Insider sentiment
Net buyingNet insider flow of $285.3M in net buying since July 2020, and $70.4K in net selling over the last 12 months.
Recent NKTX insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Jun 22, 2026 | Paul J Hastings | Chief Executive Officer | Sale | 1.8K | $2.71 | $4.8K | SEC ↗ |
| Jan 20, 2026 | Paul J Hastings | Chief Executive Officer | Sale | 26.0K | $2.07 | $53.9K | SEC ↗ |
| Jan 20, 2026 | Nadir Mahmood | President | Sale | 5.6K | $2.07 | $11.7K | SEC ↗ |
| Jun 20, 2025 | Paul J Hastings | Chief Executive Officer | Sale | 1.8K | $1.79 | $3.2K | SEC ↗ |
| Jan 17, 2025 | David Shook | Chief Medical Officer, Head of Research & Development | Sale | 8.6K | $2.20 | $19.0K | SEC ↗ |
| Jan 17, 2025 | Alyssa Levin | Chief Financial and Business Officer | Sale | 5.8K | $2.20 | $12.8K | SEC ↗ |
| Jan 17, 2025 | Ralph Brandenberger | Chief Technical Officer | Sale | 7.4K | $2.20 | $16.4K | SEC ↗ |
| Jan 17, 2025 | Paul J Hastings | Chief Executive Officer | Sale | 17.4K | $2.20 | $38.2K | SEC ↗ |
| Jan 17, 2025 | Alicia J. Hager | Chief Legal Officer | Sale | 9.6K | $2.20 | $21.1K | SEC ↗ |
| Jul 18, 2024 | Alicia J. Hager | Chief Legal Officer | Sale | 3.4K | $8.00 | $27.2K | SEC ↗ |
| Jun 20, 2024 | James Trager | Chief Scientific Officer | Sale | 456 | $5.60 | $2.6K | SEC ↗ |
| Jun 20, 2024 | Paul J Hastings | Chief Executive Officer | Sale | 1.8K | $5.60 | $9.9K | SEC ↗ |
| Jun 20, 2024 | David Shook | Chief Medical Officer | Sale | 456 | $5.60 | $2.6K | SEC ↗ |
| Jun 20, 2024 | Alicia J. Hager | Chief Legal Officer | Sale | 727 | $5.60 | $4.1K | SEC ↗ |
| Jun 20, 2024 | Ralph Brandenberger | Chief Technical Officer | Sale | 229 | $5.60 | $1.3K | SEC ↗ |
| Mar 29, 2024 | Peter Kolchinsky | Director, 10% Owner | Purchase | 3.0M | $10.00 | $30.0M | SEC ↗ |
| Mar 28, 2024 | Simeon George | Director | Purchase | 2.0M | $10.00 | $20.0M | SEC ↗ |
| Mar 5, 2024 | Ralph Brandenberger | Chief Technical Officer | Sale | 8.4K | $12.51 | $104.7K | SEC ↗ |
| Feb 15, 2024 | James Trager | Chief Scientific Officer | Sale | 4.1K | $12.00 | $49.7K | SEC ↗ |
| Jan 18, 2024 | David Shook | Chief Medical Officer | Sale | 3.6K | $8.74 | $31.0K | SEC ↗ |
| Jan 18, 2024 | James Trager | Chief Scientific Officer | Sale | 4.6K | $8.74 | $39.9K | SEC ↗ |
| Jan 18, 2024 | Ralph Brandenberger | Chief Technical Officer | Sale | 2.5K | $8.74 | $22.0K | SEC ↗ |
| Jan 18, 2024 | Paul J Hastings | Chief Executive Officer | Sale | 9.7K | $8.74 | $84.8K | SEC ↗ |
| Jan 18, 2024 | Alicia J. Hager | Chief Legal Officer | Sale | 4.6K | $8.74 | $39.8K | SEC ↗ |
| Aug 23, 2023 | David Shook | Chief Medical Officer | Sale | 1.3K | $1.83 | $2.4K | SEC ↗ |
Showing the 25 most recent of 74 Form 4 filings for Nkarta, Inc..
Most active NKTX insiders
- Paul J Hastings13 filings
- Ralph Brandenberger13 filings
- Nadir Mahmood10 filings
- James Trager9 filings
- Alicia J. Hager6 filings
Ask anything about NKTX insider activity
Use Trabud's AI agent to query Nkarta, Inc.'s Form 4 history in plain English — "Show me NKTX CEO purchases this year" or compare it against any other ticker.
Open the AI agentNKTX insider trading FAQ
Are Nkarta, Inc. insiders buying or selling?
In the last 12 months, Nkarta, Inc. insiders reported 0 open-market purchases ($0) and 3 sales ($70.4K) — net selling of $70.4K. Since July 2020, Trabud has recorded 74 Form 4 filings for NKTX: 15 buys ($290.0M) and 59 sells ($4.7M). Over the full record that is net buying of $285.3M.
How many insiders trade NKTX stock?
20 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Nkarta, Inc.. The most recent filing was accepted on Jun 22, 2026.
Where does Trabud get NKTX insider trading data?
All NKTX insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.