NKTX Nkarta, Inc.
Nasdaq · SEC CIK 1787400 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $70.4K 3 sales by 2 insiders
- Filings on record
- 135 since 2021-07-06, latest 2026-06-22 16:05
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| HASTINGS PAUL J | CEO, Dir | — | $58.7K |
| Mahmood Nadir | Pres | — | $11.7K |
| Rose Shawn Marshall | See Remarks | — | — |
Transactions 106
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-22 16:05 | 2026-06-18 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $2.71 | -1,776 | 390.2K | -0.5% | -$4,813 | |
| 2026-01-20 | 2026-01-15 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $2.07 | -26.0K | 390.0K | -6% | -$53.9K | |
| 2026-01-20 | 2026-01-15 | NKTX | Mahmood Nadir | Pres | S - Sale | $2.07 | -5,649 | 167.7K | -3% | -$11.7K | |
| D | 2026-01-08 | 2026-01-06 | NKTX | HASTINGS PAUL J | CEO, Dir | A - Grant | $0.00 | +94.0K | 416.1K | +29% | $0 |
| D | 2026-01-08 | 2026-01-06 | NKTX | Rose Shawn Marshall | See Remarks | A - Grant | $0.00 | +70.0K | 70.0K | New | $0 |
| D | 2026-01-08 | 2026-01-06 | NKTX | Mahmood Nadir | Pres | A - Grant | $0.00 | +80.0K | 173.4K | +86% | $0 |
| 2025-06-20 | 2025-06-18 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $1.79 | -1,790 | 320.1K | -0.6% | -$3,204 | |
| 2025-01-17 | 2025-01-15 | NKTX | Shook David | See Remarks | S - Sale | $2.20 | -8,638 | 191.0K | -4% | -$19.0K | |
| 2025-01-17 | 2025-01-15 | NKTX | Hager Alicia J. | CLO | S - Sale | $2.20 | -9,584 | 146.7K | -6% | -$21.1K | |
| 2025-01-17 | 2025-01-15 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale | $2.20 | -7,447 | 124.8K | -6% | -$16.4K | |
| 2025-01-17 | 2025-01-15 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $2.20 | -17.4K | 319.9K | -5% | -$38.2K | |
| 2025-01-17 | 2025-01-15 | NKTX | Levin Alyssa | See Remarks | S - Sale | $2.20 | -5,838 | 102.7K | -5% | -$12.8K | |
| D | 2025-01-07 | 2025-01-03 | NKTX | Shook David | See Remarks | A - Grant | $0.00 | +59.0K | 199.6K | +42% | $0 |
| D | 2025-01-07 | 2025-01-03 | NKTX | HASTINGS PAUL J | CEO, Dir | A - Grant | $0.00 | +94.5K | 337.2K | +39% | $0 |
| D | 2025-01-07 | 2025-01-03 | NKTX | Brandenberger Ralph | Chief Technical Off | A - Grant | $0.00 | +52.5K | 132.2K | +66% | $0 |
| D | 2025-01-07 | 2025-01-03 | NKTX | Mahmood Nadir | Pres | A - Grant | $0.00 | +62.0K | 93.4K | +198% | $0 |
| D | 2025-01-07 | 2025-01-03 | NKTX | Levin Alyssa | See Remarks | A - Grant | $0.00 | +52.5K | 108.5K | +94% | $0 |
| D | 2025-01-07 | 2025-01-03 | NKTX | Hager Alicia J. | CLO | A - Grant | $0.00 | +52.5K | 156.3K | +51% | $0 |
| 2024-08-23 | 2024-08-21 | NKTX | Shook David | See Remarks | A - Grant | $5.11 | -1,352 | 138.6K | -1.0% | -$6,909 | |
| D | 2024-07-31 | 2024-07-15 | NKTX | Shook David | See Remarks | A - Grant | $0.00 | +23.4K | 139.9K | +20% | $0 |
| T | 2024-07-18 | 2024-07-16 | NKTX | Hager Alicia J. | CLO | S - Sale | $8.00 | -3,396 | 103.8K | -3% | -$27.2K |
| 2024-06-20 | 2024-06-18 | NKTX | Hager Alicia J. | CLO | S - Sale | $5.60 | -727 | 107.2K | -0.7% | -$4,071 | |
| 2024-06-20 | 2024-06-18 | NKTX | Trager James | CSO | S - Sale | $5.60 | -456 | 151.0K | -0.3% | -$2,554 | |
| 2024-06-20 | 2024-06-18 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $5.60 | -1,770 | 240.7K | -0.7% | -$9,912 | |
| 2024-06-20 | 2024-06-18 | NKTX | Shook David | Chief Medical Off | S - Sale | $5.60 | -456 | 116.5K | -0.4% | -$2,554 | |
| 2024-06-20 | 2024-06-18 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale | $5.60 | -229 | 79.7K | -0.3% | -$1,282 | |
| DI | 2024-03-29 | 2024-03-27 | NKTX | RA CAPITAL MANAGEMENT, L.P. | Dir, 10% | P - Purchase | $10.00 | +3.00M | 10.05M | +43% | +$30.00M |
| MI | 2024-03-28 | 2024-03-27 | NKTX | George Simeon | Dir | P - Purchase | $10.00 | +2.00M | 451.7K | New | +$20.00M |
| M | 2024-03-05 | 2024-03-01+ | NKTX | HASTINGS PAUL J | CEO, Dir | D - Sale to Iss | $13.30 | -150.0K | 378.1K | -28% | -$2.00M |
| D | 2024-03-05 | 2024-03-01 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale+OE | $12.51 | -8,367 | 80.0K | -9% | -$104.7K |
| DM | 2024-03-05 | 2024-03-01 | NKTX | Brandenberger Ralph | Chief Technical Off | M - OptEx | $3.89 | +6,763 | 88.3K | +8% | +$26.3K |
| 2024-02-14 | 2024-02-12 | NKTX | Trager James | CSO | S - Sale | $12.00 | -4,143 | 149.4K | -3% | -$49.7K | |
| 2024-01-18 | 2024-01-16 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $8.74 | -9,697 | 390.5K | -2% | -$84.8K | |
| 2024-01-18 | 2024-01-16 | NKTX | Hager Alicia J. | CLO | S - Sale | $8.74 | -4,554 | 107.9K | -4% | -$39.8K | |
| 2024-01-18 | 2024-01-16 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale | $8.74 | -2,512 | 81.6K | -3% | -$22.0K | |
| 2024-01-18 | 2024-01-16 | NKTX | Shook David | Chief Medical Off | S - Sale | $8.74 | -3,552 | 115.0K | -3% | -$31.0K | |
| 2024-01-18 | 2024-01-16 | NKTX | Trager James | CSO | S - Sale | $8.74 | -4,560 | 153.6K | -3% | -$39.9K | |
| D | 2024-01-08 | 2024-01-04 | NKTX | Hager Alicia J. | CLO | A - Grant | $0.00 | +56.0K | 112.5K | +99% | $0 |
| D | 2024-01-08 | 2024-01-04 | NKTX | Shook David | Chief Medical Off | A - Grant | $0.00 | +56.0K | 118.5K | +90% | $0 |
| D | 2024-01-08 | 2024-01-04 | NKTX | Levin Alyssa | See Remarks | A - Grant | $0.00 | +56.0K | 56.0K | New | $0 |
| D | 2024-01-08 | 2024-01-04 | NKTX | Trager James | CSO | A - Grant | $0.00 | +56.0K | 158.1K | +55% | $0 |
| D | 2024-01-08 | 2024-01-04 | NKTX | Brandenberger Ralph | Chief Technical Off | A - Grant | $0.00 | +56.0K | 84.1K | +199% | $0 |
| D | 2024-01-08 | 2024-01-04 | NKTX | HASTINGS PAUL J | CEO, Dir | A - Grant | $0.00 | +85.0K | 400.2K | +27% | $0 |
| 2023-08-23 | 2023-08-21 | NKTX | Shook David | Chief Medical Off | S - Sale | $1.83 | -1,331 | 60.5K | -2% | -$2,436 | |
| 2023-06-22 | 2023-06-20 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $4.85 | -1,704 | 313.4K | -0.5% | -$8,264 | |
| 2023-06-22 | 2023-06-20 | NKTX | Shook David | Chief Medical Off | S - Sale | $4.85 | -439 | 61.9K | -0.7% | -$2,129 | |
| 2023-06-22 | 2023-06-20 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale | $4.85 | -221 | 28.1K | -0.8% | -$1,072 | |
| 2023-06-22 | 2023-06-20 | NKTX | Hager Alicia J. | CLO | S - Sale | $4.85 | -701 | 56.5K | -1% | -$3,400 | |
| 2023-06-22 | 2023-06-20 | NKTX | Trager James | CSO | S - Sale | $4.85 | -439 | 100.1K | -0.4% | -$2,129 | |
| 2023-06-22 | 2023-06-20 | NKTX | Mahmood Nadir | See Remarks | S - Sale | $4.85 | -526 | 85.8K | -0.6% | -$2,551 | |
| D | 2023-01-18 | 2023-01-13 | NKTX | Shook David | Chief Medical Off | A - Grant | $0.00 | +37.5K | 60.5K | +163% | $0 |
| D | 2023-01-18 | 2023-01-17 | NKTX | Shook David | Chief Medical Off | S - Sale | $5.49 | -175 | 60.3K | -0.3% | -$960.75 |
| D | 2023-01-18 | 2023-01-13 | NKTX | Mahmood Nadir | See Remarks | A - Grant | $0.00 | +37.5K | 85.4K | +78% | $0 |
| D | 2023-01-18 | 2023-01-17 | NKTX | Mahmood Nadir | See Remarks | S - Sale | $5.49 | -1,122 | 84.3K | -1% | -$6,160 |
| D | 2023-01-18 | 2023-01-17 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $5.49 | -3,691 | 313.1K | -1% | -$20.3K |
| D | 2023-01-18 | 2023-01-13 | NKTX | HASTINGS PAUL J | CEO, Dir | A - Grant | $0.00 | +64.5K | 316.8K | +26% | $0 |
| D | 2023-01-18 | 2023-01-13 | NKTX | Brandenberger Ralph | Chief Technical Off | A - Grant | $0.00 | +21.0K | 28.8K | +269% | $0 |
| D | 2023-01-18 | 2023-01-17 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale | $5.49 | -491 | 28.3K | -2% | -$2,696 |
| D | 2023-01-18 | 2023-01-13 | NKTX | Trager James | CSO | A - Grant | $0.00 | +37.5K | 99.7K | +60% | $0 |
| D | 2023-01-18 | 2023-01-17 | NKTX | Trager James | CSO | S - Sale | $5.49 | -1,115 | 98.6K | -1% | -$6,121 |
| D | 2023-01-18 | 2023-01-17 | NKTX | Hager Alicia J. | CLO | S - Sale | $5.49 | -1,103 | 57.2K | -2% | -$6,055 |
| D | 2023-01-18 | 2023-01-13 | NKTX | Hager Alicia J. | CLO | A - Grant | $0.00 | +37.5K | 58.3K | +180% | $0 |
| D | 2022-10-07 | 2022-10-06 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale+OE | $14.02 | -842 | 7,800 | -10% | -$11.8K |
| D | 2022-10-07 | 2022-10-06 | NKTX | Brandenberger Ralph | Chief Technical Off | M - OptEx | $3.89 | +842 | 8,642 | +11% | +$3,275 |
| M | 2022-09-30 | 2022-09-28+ | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $13.03 | -23.9K | 251.0K | -9% | -$311.1K |
| 2022-09-22 | 2022-09-21 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $13.01 | -6,126 | 274.3K | -2% | -$79.7K | |
| D | 2022-08-17 | 2022-08-15 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale+OE | $17.64 | -11.0K | 7,800 | -59% | -$194.0K |
| D | 2022-08-17 | 2022-08-15 | NKTX | Brandenberger Ralph | Chief Technical Off | M - OptEx | $3.89 | +11.0K | 18.8K | +141% | +$42.8K |
| D | 2022-08-17 | 2022-08-15 | NKTX | Trager James | CSO | S - Sale+OE | $17.53 | -5,000 | 62.2K | -7% | -$87.7K |
| D | 2022-08-17 | 2022-08-15 | NKTX | Trager James | CSO | M - OptEx | $3.89 | +5,000 | 67.2K | +8% | +$19.4K |
| D | 2022-08-17 | 2022-08-15 | NKTX | Mahmood Nadir | See Remarks | M - OptEx | $3.89 | +7,500 | 53.6K | +16% | +$29.2K |
| D | 2022-08-17 | 2022-08-15 | NKTX | Mahmood Nadir | See Remarks | S - Sale+OE | $18.03 | -7,500 | 46.1K | -14% | -$135.2K |
| D | 2022-08-10 | 2022-08-08 | NKTX | Mahmood Nadir | See Remarks | M - OptEx | $3.89 | +7,500 | 53.6K | +16% | +$29.2K |
| D | 2022-08-10 | 2022-08-08 | NKTX | Mahmood Nadir | See Remarks | S - Sale+OE | $15.32 | -7,500 | 46.1K | -14% | -$114.9K |
| DM | 2022-08-10 | 2022-08-08 | NKTX | Brandenberger Ralph | Chief Technical Off | M - OptEx | $2.60 | +11.6K | 19.1K | +155% | +$30.2K |
| D | 2022-08-10 | 2022-08-08 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale+OE | $15.51 | -11.6K | 7,800 | -60% | -$179.8K |
| D | 2022-07-26 | 2022-07-25 | NKTX | Mahmood Nadir | See Remarks | M - OptEx | $3.89 | +7,500 | 53.6K | +16% | +$29.2K |
| D | 2022-07-26 | 2022-07-25 | NKTX | Mahmood Nadir | See Remarks | S - Sale+OE | $13.40 | -7,500 | 46.1K | -14% | -$100.5K |
| D | 2022-07-26 | 2022-07-25 | NKTX | Brandenberger Ralph | Chief Technical Off | S - Sale+OE | $13.41 | -3,000 | 7,800 | -28% | -$40.2K |
| D | 2022-07-26 | 2022-07-25 | NKTX | Brandenberger Ralph | Chief Technical Off | M - OptEx | $0.41 | +3,000 | 10.8K | +38% | +$1,230 |
| D | 2022-06-21 | 2022-06-17 | NKTX | Brandenberger Ralph | SVP, Technical Ops | A - Grant | $0.00 | +2,500 | 7,800 | +47% | $0 |
| D | 2022-06-21 | 2022-06-17 | NKTX | Hager Alicia J. | CLO | A - Grant | $0.00 | +8,000 | 20.8K | +62% | $0 |
| D | 2022-06-21 | 2022-06-17 | NKTX | Mahmood Nadir | See Remarks | A - Grant | $0.00 | +6,000 | 46.1K | +15% | $0 |
| D | 2022-06-21 | 2022-06-17 | NKTX | Trager James | CSO | A - Grant | $0.00 | +5,000 | 62.2K | +9% | $0 |
| D | 2022-06-21 | 2022-06-17 | NKTX | HASTINGS PAUL J | CEO, Dir | A - Grant | $0.00 | +19.5K | 280.5K | +7% | $0 |
| DM | 2022-06-07 | 2022-06-03 | NKTX | Brandenberger Ralph | SVP, Technical Ops | M - OptEx | $3.69 | +4,140 | 5,640 | +276% | +$15.3K |
| D | 2022-06-07 | 2022-06-03 | NKTX | Brandenberger Ralph | SVP, Technical Ops | S - Sale+OE | $15.00 | -4,140 | 5,300 | -44% | -$62.1K |
| MI | 2022-04-29 | 2022-04-28 | NKTX | George Simeon | Dir | P - Purchase | $15.00 | +1.33M | 666.7K | New | +$20.00M |
| I | 2022-04-28 | 2022-04-26 | NKTX | Shah Rajeev M. | Dir, 10% | P - Purchase | $15.00 | +2.20M | 7.81M | +39% | +$33.00M |
| D | 2022-01-19 | 2022-01-14 | NKTX | Hager Alicia J. | CLO | A - Grant | $0.00 | +12.8K | 12.8K | New | $0 |
| D | 2022-01-19 | 2022-01-14 | NKTX | HASTINGS PAUL J | CEO, Dir | A - Grant | $0.00 | +41.9K | 261.0K | +19% | $0 |
| D | 2022-01-19 | 2022-01-14 | NKTX | Rajangam Kanya | Chief Medical Off | A - Grant | $0.00 | +12.8K | 12.8K | New | $0 |
| D | 2022-01-19 | 2022-01-14 | NKTX | Trager James | CSO | A - Grant | $0.00 | +12.8K | 57.2K | +29% | $0 |
| D | 2022-01-19 | 2022-01-14 | NKTX | Brandenberger Ralph | SVP, Technical Ops | A - Grant | $0.00 | +5,300 | 5,300 | New | $0 |
| D | 2022-01-19 | 2022-01-14 | NKTX | Mahmood Nadir | See Remarks | A - Grant | $0.00 | +12.8K | 40.1K | +47% | $0 |
| D | 2021-12-03 | 2021-12-01 | NKTX | Brandenberger Ralph | SVP, Technical Ops | S - Sale+OE | $15.64 | -4,140 | 0 | -100% | -$64.7K |
| DM | 2021-12-03 | 2021-12-01 | NKTX | Brandenberger Ralph | SVP, Technical Ops | M - OptEx | $3.69 | +4,140 | 745 | New | +$15.3K |
| M | 2021-10-01 | 2021-09-29 | NKTX | HASTINGS PAUL J | CEO, Dir | S - Sale | $27.18 | -8,500 | 219.1K | -4% | -$231.1K |
| D | 2021-09-02 | 2021-09-01 | NKTX | Brandenberger Ralph | See Remarks | S - Sale+OE | $32.08 | -4,140 | 0 | -100% | -$132.8K |
| DM | 2021-09-02 | 2021-09-01 | NKTX | Brandenberger Ralph | See Remarks | M - OptEx | $3.69 | +4,140 | 745 | New | +$15.3K |
Purchase Sale Sale after option exercise All abbreviations