Nkarta, Inc.
NKTX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001787400
No open-market purchases or sales by Nkarta, Inc. insiders were filed in the last 90 days; 135 institutions reported holding it in 13F filings for Q2 2026, worth $167.9M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Nkarta, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Nkarta, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Hastings Paul J | Chief Executive Officer | 390,247 | Jun 22, 2026 | 3 |
| RA Capital Healthcare Fund LP | Director, 10% Owner | 10,050,818Indirect | Jun 11, 2026 | 1 |
| Ra Capital Management, L.P. | Director, 10% Owner | 10,050,818Indirect | Jun 11, 2026 | 1 |
| Kolchinsky Peter | Director, 10% Owner | 10,050,818Indirect | Jun 11, 2026 | 1 |
| Shah Rajeev M. | Director, 10% Owner | 10,050,818Indirect | Jun 11, 2026 | 1 |
| RA Capital Nexus Fund, L.P. | Director | 10,050,818Indirect | Jun 11, 2026 | 1 |
| Patterson Leone D | Director | – | Jun 11, 2026 | 1 |
| George Simeon | Director | 451,659Indirect | Jun 11, 2026 | 1 |
| Dybbs Michael | Director | – | Jun 11, 2026 | 1 |
| Behbahani Ali | Director | – | Jun 11, 2026 | 1 |
| Thedinga Angela | Director | – | Jun 11, 2026 | 1 |
| Scheiner Zachary | Director | – | Jun 11, 2026 | 1 |
| Vratsanos George | Director | – | Jun 11, 2026 | 1 |
| Mahmood Nadir | President | 167,727 | Jan 20, 2026 | 2 |
| Rose Shawn Marshall | See Remarks | 70,000 | Jan 8, 2026 | 1 |
| Hager Alicia J. | Chief Legal Officer | 146,735 | Jan 17, 2025 | 0 |
| Brandenberger Ralph | Chief Technical Officer | 124,796 | Jan 17, 2025 | 0 |
| Shook David | See Remarks | 190,955 | Jan 17, 2025 | 0 |
| Levin Alyssa | See Remarks | 102,662 | Jan 17, 2025 | 0 |
| Trager James | Chief Scientific Officer | 150,959 | Jun 20, 2024 | 0 |
| Azzam Fouad Oscar | Director | – | Jun 9, 2023 | 0 |
| Shawver Laura | Director | – | Jun 10, 2022 | 0 |
| Aynechi Tiba | Director | – | Jun 10, 2022 | 0 |
| Rajangam Kanya | Chief Medical Officer | 12,800 | Jan 19, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 22, 2026 (view filing) | Jun 18 | 4 days | Hastings Paul JChief Executive Officer | SSale | −1.78K | $2.71 | −$4.81K | −0.5%390.2K after | |
| Jan 20, 2026 (view filing) | Jan 15 | 5 days | Hastings Paul JChief Executive Officer | SSale | −26.0K | $2.07 | −$53.9K | −6.3%390.0K after | |
| Jan 20, 2026 (view filing) | Jan 15 | 5 days | Mahmood NadirPresident | SSale | −5.65K | $2.07 | −$11.7K | −3.3%167.7K after | |
| Jun 20, 2025 (view filing) | Jun 18 | 2 days | Hastings Paul JChief Executive Officer | SSale | −1.79K | $1.79 | −$3.20K | −0.6%320.1K after | |
| Jan 17, 2025 (view filing) | Jan 15 | 2 days | Shook DavidSee Remarks | SSale | −8.64K | $2.20 | −$19.0K | −4.3%191.0K after | |
| Jan 17, 2025 (view filing) | Jan 15 | 2 days | Levin AlyssaSee Remarks | SSale | −5.84K | $2.20 | −$12.8K | −5.4%102.7K after | |
| Jan 17, 2025 (view filing) | Jan 15 | 2 days | Brandenberger RalphChief Technical Officer | SSale | −7.45K | $2.20 | −$16.4K | −5.6%124.8K after | |
| Jan 17, 2025 (view filing) | Jan 15 | 2 days | Hastings Paul JChief Executive Officer | SSale | −17.4K | $2.20 | −$38.2K | −5.2%319.9K after | |
| Jan 17, 2025 (view filing) | Jan 15 | 2 days | Hager Alicia J.Chief Legal Officer | SSale | −9.58K | $2.20 | −$21.1K | −6.1%146.7K after | |
| Jul 18, 2024 (view filing) | Jul 16 | 2 days | Hager Alicia J.Chief Legal Officer | SSale | −3.40K | $8.00 | −$27.2K | −3.2%103.8K after | 10b5-1 |
| Jun 20, 2024 (view filing) | Jun 18 | 2 days | Trager JamesChief Scientific Officer | SSale | −456 | $5.60 | −$2.55K | −0.3%151.0K after | |
| Jun 20, 2024 (view filing) | Jun 18 | 2 days | Hastings Paul JChief Executive Officer | SSale | −1.77K | $5.60 | −$9.91K | −0.7%240.7K after | |
| Jun 20, 2024 (view filing) | Jun 18 | 2 days | Shook DavidChief Medical Officer | SSale | −456 | $5.60 | −$2.55K | −0.4%116.5K after | |
| Jun 20, 2024 (view filing) | Jun 18 | 2 days | Hager Alicia J.Chief Legal Officer | SSale | −727 | $5.60 | −$4.07K | −0.7%107.2K after | |
| Jun 20, 2024 (view filing) | Jun 18 | 2 days | Brandenberger RalphChief Technical Officer | SSale | −229 | $5.60 | −$1.28K | −0.3%79.7K after | |
| Mar 29, 2024 (view filing)5:38 PM ET | Mar 27 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +3.00M | $10.00 | +$30.0M | +42.5%10.1M after | |
| Mar 29, 2024 (view filing)5:38 PM ET | Mar 27 | 2 days | RA Capital Healthcare Fund LP and 4 othersDirector, 10% Owner | PPurchase | +3.00M | $10.00 | +$30.0M | –3.00M after | Derivative |
| Mar 28, 2024 (view filing) | Mar 27 | 1 day | George SimeonDirector | PPurchase | +2.00M | $10.00 | +$20.0M | New position451.7K after | 2 lots |
| Mar 5, 2024 (view filing) | Mar 1 | 4 days | Brandenberger RalphChief Technical Officer | SSale | −8.37K | $12.51 | −$104.7K | −9.5%80.0K after | |
| Feb 14, 2024 (view filing) | Feb 12 | 2 days | Trager JamesChief Scientific Officer | SSale | −4.14K | $12.00 | −$49.7K | −2.7%149.4K after | |
| Jan 18, 2024 (view filing) | Jan 16 | 2 days | Shook DavidChief Medical Officer | SSale | −3.55K | $8.74 | −$31.0K | −3.0%115.0K after | |
| Jan 18, 2024 (view filing) | Jan 16 | 2 days | Trager JamesChief Scientific Officer | SSale | −4.56K | $8.74 | −$39.9K | −2.9%153.6K after | |
| Jan 18, 2024 (view filing) | Jan 16 | 2 days | Brandenberger RalphChief Technical Officer | SSale | −2.51K | $8.74 | −$22.0K | −3.0%81.6K after | |
| Jan 18, 2024 (view filing) | Jan 16 | 2 days | Hastings Paul JChief Executive Officer | SSale | −9.70K | $8.74 | −$84.8K | −2.4%390.5K after | |
| Jan 18, 2024 (view filing) | Jan 16 | 2 days | Hager Alicia J.Chief Legal Officer | SSale | −4.55K | $8.74 | −$39.8K | −4.0%107.9K after | |
| Aug 23, 2023 (view filing) | Aug 21 | 2 days | Shook DavidChief Medical Officer | SSale | −1.33K | $1.83 | −$2.44K | −2.2%60.5K after | |
| Jun 22, 2023 (view filing) | Jun 20 | 2 days | Trager JamesChief Scientific Officer | SSale | −439 | $4.85 | −$2.13K | −0.4%100.1K after | |
| Jun 22, 2023 (view filing) | Jun 20 | 2 days | Brandenberger RalphChief Technical Officer | SSale | −221 | $4.85 | −$1.07K | −0.8%28.1K after | |
| Jun 22, 2023 (view filing) | Jun 20 | 2 days | Hager Alicia J.Chief Legal Officer | SSale | −701 | $4.85 | −$3.40K | −1.2%56.5K after | |
| Jun 22, 2023 (view filing) | Jun 20 | 2 days | Shook DavidChief Medical Officer | SSale | −439 | $4.85 | −$2.13K | −0.7%61.9K after | |
| Jun 22, 2023 (view filing) | Jun 20 | 2 days | Mahmood NadirSee Remarks | SSale | −526 | $4.85 | −$2.55K | −0.6%85.8K after | |
| Jun 22, 2023 (view filing) | Jun 20 | 2 days | Hastings Paul JChief Executive Officer | SSale | −1.70K | $4.85 | −$8.26K | −0.5%313.4K after | |
| Jan 18, 2023 (view filing) | Jan 17 | 1 day | Trager JamesChief Scientific Officer | SSale | −1.11K | $5.49 | −$6.12K | −1.1%98.6K after | |
| Jan 18, 2023 (view filing) | Jan 17 | 1 day | Shook DavidChief Medical Officer | SSale | −175 | $5.49 | −$960.75 | −0.3%60.3K after | |
| Jan 18, 2023 (view filing) | Jan 17 | 1 day | Mahmood NadirSee Remarks | SSale | −1.12K | $5.49 | −$6.16K | −1.3%84.3K after | |
| Jan 18, 2023 (view filing) | Jan 17 | 1 day | Hastings Paul JChief Executive Officer | SSale | −3.69K | $5.49 | −$20.3K | −1.2%313.1K after | |
| Jan 18, 2023 (view filing) | Jan 17 | 1 day | Hager Alicia J.Chief Legal Officer | SSale | −1.10K | $5.49 | −$6.06K | −1.9%57.2K after | |
| Jan 18, 2023 (view filing) | Jan 17 | 1 day | Brandenberger RalphChief Technical Officer | SSale | −491 | $5.49 | −$2.70K | −1.7%28.3K after | |
| Oct 7, 2022 (view filing) | Oct 6 | 1 day | Brandenberger RalphChief Technical Officer | SSale | −842 | $14.02 | −$11.8K | −9.7%7.80K after | |
| Sep 30, 2022 (view filing) | Sep 28-29 | 2 days | Hastings Paul JChief Executive Officer | SSale | −23.9K | $13.03 | −$311.1K | −8.7%250.5K after | 2 lots |
| Sep 22, 2022 (view filing) | Sep 21 | 1 day | Hastings Paul JChief Executive Officer | SSale | −6.13K | $13.01 | −$79.7K | −2.2%274.3K after | |
| Aug 17, 2022 (view filing) | Aug 15 | 2 days | Trager JamesChief Scientific Officer | SSale | −5.00K | $17.53 | −$87.7K | −7.4%62.2K after | |
| Aug 17, 2022 (view filing) | Aug 15 | 2 days | Brandenberger RalphChief Technical Officer | SSale | −11.0K | $17.64 | −$194.0K | −58.5%7.80K after | |
| Aug 17, 2022 (view filing) | Aug 15 | 2 days | Mahmood NadirSee Remarks | SSale | −7.50K | $18.03 | −$135.2K | −14.0%46.1K after | |
| Aug 10, 2022 (view filing)7:05 PM ET | Aug 8 | 2 days | Brandenberger RalphChief Technical Officer | SSale | −11.6K | $15.51 | −$179.8K | −59.8%7.80K after | |
| Aug 10, 2022 (view filing) | Aug 8 | 2 days | Mahmood NadirSee Remarks | SSale | −7.50K | $15.32 | −$114.9K | −14.0%46.1K after | |
| Jul 26, 2022 (view filing)8:15 PM ET | Jul 25 | 1 day | Brandenberger RalphChief Technical Officer | SSale | −3.00K | $13.41 | −$40.2K | −27.8%7.80K after | |
| Jul 26, 2022 (view filing) | Jul 25 | 1 day | Mahmood NadirSee Remarks | SSale | −7.50K | $13.40 | −$100.5K | −14.0%46.1K after | |
| Jun 7, 2022 (view filing)4:01 PM ET | Jun 3 | 4 days | Brandenberger RalphSr. VP, Technical Operations | SSale | −4.14K | $15.00 | −$62.1K | −43.9%5.30K after | |
| Apr 29, 2022 (view filing) | Apr 28 | 1 day | George SimeonDirector | PPurchase | +1.33M | $15.00 | +$20.0M | New position666.7K after | 2 lots |