In the last 12 months, insiders at Nkarta, Inc. ($NKTX) filed 84 transactions with the SEC: 4 open-market purchases totaling $50,000,010 and 21 sales totaling $595,695. Net insider sentiment: net buying.
Nkarta, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- RA CAPITAL MANAGEMENT, L.P. (Not found) — 4 transactions totaling $30,000,010
- George Simeon (Not found) — 4 transactions totaling $20,000,000
- HASTINGS PAUL J (Chief Executive Officer) — 14 transactions totaling $2,185,437
- Brandenberger Ralph (Chief Technical Officer) — 12 transactions totaling $170,600
- Hager Alicia J. (Chief Legal Officer) — 8 transactions totaling $92,126
View all SEC Filings for Nkarta, Inc. (NKTX).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 15, 2026 | Mahmood Nadir | President | S | Common Stock | 5649 | $2.07 | 167,727.0000 | 74,024,543 | 3.26% | 0.01% |
| Jan. 15, 2026 | HASTINGS PAUL J | Chief Executive Officer | S | Common Stock | 26046 | $2.07 | 390,023.0000 | 74,024,543 | 6.26% | 0.04% |
| Jan. 6, 2026 | HASTINGS PAUL J | Chief Executive Officer | A | Stock Option (right to buy) | 562000 | $0.00 | 562,000.0000 | 74,024,543 | 9999.99% | 0.76% |
| Jan. 6, 2026 | Mahmood Nadir | President | A | Stock Option (right to buy) | 160000 | $0.00 | 160,000.0000 | 74,024,543 | 9999.99% | 0.22% |
| Jan. 6, 2026 | Rose Shawn Marshall | See Remarks | A | Common Stock | 70000 | $0.00 | 70,000.0000 | 74,024,543 | 9999.99% | 0.09% |
| Jan. 6, 2026 | HASTINGS PAUL J | Chief Executive Officer | A | Common Stock | 94000 | $0.00 | 416,069.0000 | 74,024,543 | 29.19% | 0.13% |
| Jan. 6, 2026 | Mahmood Nadir | President | A | Common Stock | 80000 | $0.00 | 173,376.0000 | 74,024,543 | 85.68% | 0.11% |
| Jan. 6, 2026 | Rose Shawn Marshall | See Remarks | A | Stock Option (right to buy) | 139000 | $0.00 | 139,000.0000 | 74,024,543 | 9999.99% | 0.19% |
| June 23, 2025 | Rose Shawn Marshall | See Remarks | A | Stock Option (right to buy) | 500000 | $0.00 | 500,000.0000 | 67,865,323 | 9999.99% | 0.74% |
| June 18, 2025 | HASTINGS PAUL J | Chief Executive Officer | S | Common Stock | 1790 | $1.79 | 320,069.0000 | 67,865,323 | 0.56% | 0.00% |
| June 5, 2025 | Vratsanos George | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | Thedinga Angela | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | Scheiner Zachary | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | PATTERSON LEONE D | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | Dybbs Michael | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | George Simeon | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | Behbahani Ali | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | RA CAPITAL MANAGEMENT, L.P. | Not found | A | Stock Option (right to buy) | 46000 | $0.00 | 46,000.0000 | 67,865,323 | 9999.99% | 0.07% |
| June 5, 2025 | Mahmood Nadir | President | A | Stock Option (right to buy) | 123500 | $0.00 | 123,500.0000 | 67,865,323 | 9999.99% | 0.18% |
| June 5, 2025 | HASTINGS PAUL J | Chief Executive Officer | A | Stock Option (right to buy) | 377000 | $0.00 | 377,000.0000 | 67,865,323 | 9999.99% | 0.56% |
| Jan. 15, 2025 | Hager Alicia J. | Chief Legal Officer | S | Common Stock | 9584 | $2.20 | 146,735.0000 | 67,865,323 | 6.13% | 0.01% |
| Jan. 15, 2025 | HASTINGS PAUL J | Chief Executive Officer | S | Common Stock | 17378 | $2.20 | 319,859.0000 | 67,865,323 | 5.15% | 0.03% |
| Jan. 15, 2025 | Shook David | See Remarks | S | Common Stock | 8638 | $2.20 | 190,955.0000 | 67,865,323 | 4.33% | 0.01% |
| Jan. 15, 2025 | Levin Alyssa | See Remarks | S | Common Stock | 5838 | $2.20 | 102,662.0000 | 67,865,323 | 5.38% | 0.01% |
| Jan. 15, 2025 | Brandenberger Ralph | Chief Technical Officer | S | Common Stock | 7447 | $2.20 | 124,796.0000 | 67,865,323 | 5.63% | 0.01% |
| Jan. 3, 2025 | Mahmood Nadir | President | A | Common Stock | 62000 | $0.00 | 93,376.0000 | 67,865,323 | 197.60% | 0.09% |
| Jan. 3, 2025 | Mahmood Nadir | President | A | Stock Option (right to buy) | 123500 | $0.00 | 123,500.0000 | 67,865,323 | 9999.99% | 0.18% |
| Jan. 3, 2025 | HASTINGS PAUL J | Chief Executive Officer | A | Common Stock | 94500 | $0.00 | 337,237.0000 | 67,865,323 | 38.93% | 0.14% |
| Jan. 3, 2025 | HASTINGS PAUL J | Chief Executive Officer | A | Stock Option (right to buy) | 565500 | $0.00 | 565,500.0000 | 67,865,323 | 9999.99% | 0.83% |
| Jan. 3, 2025 | Brandenberger Ralph | Chief Technical Officer | A | Stock Option (right to buy) | 105000 | $0.00 | 105,000.0000 | 67,865,323 | 9999.99% | 0.15% |
| Jan. 3, 2025 | Shook David | See Remarks | A | Common Stock | 59000 | $0.00 | 199,593.0000 | 67,865,323 | 41.97% | 0.09% |
| Jan. 3, 2025 | Shook David | See Remarks | A | Stock Option (right to buy) | 117500 | $0.00 | 117,500.0000 | 67,865,323 | 9999.99% | 0.17% |
| Jan. 3, 2025 | Hager Alicia J. | Chief Legal Officer | A | Common Stock | 52500 | $0.00 | 156,319.0000 | 67,865,323 | 50.57% | 0.08% |
| Jan. 3, 2025 | Hager Alicia J. | Chief Legal Officer | A | Stock Option (right to buy) | 105000 | $0.00 | 105,000.0000 | 67,865,323 | 9999.99% | 0.15% |
| Jan. 3, 2025 | Levin Alyssa | See Remarks | A | Common Stock | 52500 | $0.00 | 108,500.0000 | 67,865,323 | 93.75% | 0.08% |
| Jan. 3, 2025 | Levin Alyssa | See Remarks | A | Stock Option (right to buy) | 105000 | $0.00 | 105,000.0000 | 67,865,323 | 9999.99% | 0.15% |
| Jan. 3, 2025 | Brandenberger Ralph | Chief Technical Officer | A | Common Stock | 52500 | $0.00 | 132,243.0000 | 67,865,323 | 65.84% | 0.08% |
| Aug. 21, 2024 | Shook David | See Remarks | A | Common Stock | 1352 | $5.11 | 138,593.0000 | 49,014,300 | 0.97% | 0.00% |
| July 29, 2024 | Mahmood Nadir | President | A | Stock Option (right to buy) | 550000 | $0.00 | 550,000.0000 | 49,014,300 | 9999.99% | 1.12% |
| July 15, 2024 | Shook David | See Remarks | A | Stock Option (right to buy) | 30000 | $0.00 | 30,000.0000 | 49,014,300 | 9999.99% | 0.06% |
| July 15, 2024 | Shook David | See Remarks | A | Common Stock | 23421 | $0.00 | 139,945.0000 | 49,014,300 | 20.10% | 0.05% |
| July 16, 2024 | Hager Alicia J. | Chief Legal Officer | S | Common Stock | 3396 | $8.00 | 103,819.0000 | 49,014,300 | 3.17% | 0.01% |
| June 18, 2024 | Shook David | Chief Medical Officer | S | Common Stock | 456 | $5.60 | 116,524.0000 | 49,014,300 | 0.39% | 0.00% |
| June 18, 2024 | Brandenberger Ralph | Chief Technical Officer | S | Common Stock | 229 | $5.60 | 79,743.0000 | 49,014,300 | 0.29% | 0.00% |
| June 18, 2024 | Trager James | Chief Scientific Officer | S | Common Stock | 456 | $5.60 | 150,959.0000 | 49,014,300 | 0.30% | 0.00% |
| June 18, 2024 | HASTINGS PAUL J | Chief Executive Officer | S | Common Stock | 1770 | $5.60 | 240,737.0000 | 49,014,300 | 0.73% | 0.00% |
| June 18, 2024 | Hager Alicia J. | Chief Legal Officer | S | Common Stock | 727 | $5.60 | 107,215.0000 | 49,014,300 | 0.67% | 0.00% |
| June 13, 2024 | Scheiner Zachary | Not found | A | Stock Option (right to buy) | 22500 | $0.00 | 22,500.0000 | 49,014,300 | 9999.99% | 0.05% |
| June 13, 2024 | George Simeon | Not found | A | Stock Option (right to buy) | 22500 | $0.00 | 22,500.0000 | 49,014,300 | 9999.99% | 0.05% |
| June 13, 2024 | Behbahani Ali | Not found | A | Stock Option (right to buy) | 22500 | $0.00 | 22,500.0000 | 49,014,300 | 9999.99% | 0.05% |
| June 13, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | A | Stock Option (right to buy) | 22500 | $0.00 | 22,500.0000 | 49,014,300 | 9999.99% | 0.05% |
| June 13, 2024 | PATTERSON LEONE D | Not found | A | Stock Option (right to buy) | 22500 | $0.00 | 22,500.0000 | 49,014,300 | 9999.99% | 0.05% |
| June 13, 2024 | Dybbs Michael | Not found | A | Stock Option (right to buy) | 22500 | $0.00 | 22,500.0000 | 49,014,300 | 9999.99% | 0.05% |
| June 13, 2024 | Thedinga Angela | Not found | A | Stock Option (right to buy) | 22500 | $0.00 | 22,500.0000 | 49,014,300 | 9999.99% | 0.05% |
| June 13, 2024 | Vratsanos George | Not found | A | Stock Option (right to buy) | 45000 | $0.00 | 45,000.0000 | 49,014,300 | 9999.99% | 0.09% |
| March 27, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | P | Pre- Funded Warrants (Right to Buy) | 3000031 | $10.00 | 3,000,031.0000 | 49,014,300 | 9999.99% | 6.12% |
| March 27, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | P | Common Stock | 3000000 | $10.00 | 10,805,129.0000 | 49,014,300 | 38.44% | 6.12% |
| March 27, 2024 | George Simeon | Not found | P | Common Stock | 1548341 | $10.00 | 3,333,333.0000 | 49,014,300 | 86.74% | 3.16% |
| March 27, 2024 | George Simeon | Not found | P | Common Stock | 451659 | $10.00 | 3,333,333.0000 | 49,014,300 | 15.67% | 0.92% |
| March 1, 2024 | Brandenberger Ralph | Chief Technical Officer | S | Common Stock | 8367 | $12.51 | 79,972.0000 | 49,014,300 | 9.47% | 0.02% |
| March 1, 2024 | Brandenberger Ralph | Chief Technical Officer | M | Stock Option (right to buy) | 3808 | $0.00 | 22,445.0000 | 49,014,300 | 14.51% | 0.01% |
| March 1, 2024 | Brandenberger Ralph | Chief Technical Officer | M | Stock Option (right to buy) | 2955 | $0.00 | 25,629.0000 | 49,014,300 | 10.34% | 0.01% |
| March 1, 2024 | Brandenberger Ralph | Chief Technical Officer | M | Common Stock | 2955 | $3.89 | 88,339.0000 | 49,014,300 | 3.46% | 0.01% |
| March 1, 2024 | Brandenberger Ralph | Chief Technical Officer | M | Common Stock | 3808 | $3.89 | 85,384.0000 | 49,014,300 | 4.67% | 0.01% |
| March 4, 2024 | HASTINGS PAUL J | Chief Executive Officer | D | Common Stock | 137642 | $13.33 | 240,507.0000 | 49,014,300 | 36.40% | 0.28% |
| March 1, 2024 | HASTINGS PAUL J | Chief Executive Officer | D | Common Stock | 12358 | $13.00 | 378,149.0000 | 49,014,300 | 3.16% | 0.03% |
| Feb. 12, 2024 | Trager James | Chief Scientific Officer | S | Common Stock | 4143 | $12.00 | 149,415.0000 | 49,014,300 | 2.70% | 0.01% |
| Jan. 16, 2024 | Shook David | Chief Medical Officer | S | Common Stock | 3552 | $8.74 | 114,980.0000 | 49,014,300 | 3.00% | 0.01% |
| Jan. 16, 2024 | HASTINGS PAUL J | Chief Executive Officer | S | Common Stock | 9697 | $8.74 | 390,507.0000 | 49,014,300 | 2.42% | 0.02% |
| Jan. 16, 2024 | Hager Alicia J. | Chief Legal Officer | S | Common Stock | 4554 | $8.74 | 107,942.0000 | 49,014,300 | 4.05% | 0.01% |
| Jan. 16, 2024 | Brandenberger Ralph | Chief Technical Officer | S | Common Stock | 2512 | $8.74 | 81,576.0000 | 49,014,300 | 2.99% | 0.01% |
| Jan. 16, 2024 | Trager James | Chief Scientific Officer | S | Common Stock | 4560 | $8.74 | 153,558.0000 | 49,014,300 | 2.88% | 0.01% |
| Jan. 4, 2024 | Levin Alyssa | See Remarks | A | Common Stock | 56000 | $0.00 | 56,000.0000 | 49,014,300 | 9999.99% | 0.11% |
| Jan. 4, 2024 | Levin Alyssa | See Remarks | A | Stock Option (right to buy) | 112500 | $0.00 | 112,500.0000 | 49,014,300 | 9999.99% | 0.23% |
| Jan. 4, 2024 | Hager Alicia J. | Chief Legal Officer | A | Common Stock | 56000 | $0.00 | 112,496.0000 | 49,014,300 | 99.12% | 0.11% |
| Jan. 4, 2024 | Hager Alicia J. | Chief Legal Officer | A | Stock Option (right to buy) | 112500 | $0.00 | 112,500.0000 | 49,014,300 | 9999.99% | 0.23% |
| Jan. 4, 2024 | Shook David | Chief Medical Officer | A | Common Stock | 56000 | $0.00 | 118,532.0000 | 49,014,300 | 89.55% | 0.11% |
| Jan. 4, 2024 | Brandenberger Ralph | Chief Technical Officer | A | Common Stock | 56000 | $0.00 | 84,088.0000 | 49,014,300 | 199.37% | 0.11% |
| Jan. 4, 2024 | Shook David | Chief Medical Officer | A | Stock Option (right to buy) | 112500 | $0.00 | 112,500.0000 | 49,014,300 | 9999.99% | 0.23% |
| Jan. 4, 2024 | Brandenberger Ralph | Chief Technical Officer | A | Stock Option (right to buy) | 112500 | $0.00 | 112,500.0000 | 49,014,300 | 9999.99% | 0.23% |
| Jan. 4, 2024 | Trager James | Chief Scientific Officer | A | Common Stock | 56000 | $0.00 | 158,118.0000 | 49,014,300 | 54.84% | 0.11% |
| Jan. 4, 2024 | Trager James | Chief Scientific Officer | A | Stock Option (right to buy) | 112500 | $0.00 | 112,500.0000 | 49,014,300 | 9999.99% | 0.23% |
| Jan. 4, 2024 | HASTINGS PAUL J | Chief Executive Officer | A | Common Stock | 85000 | $0.00 | 400,204.0000 | 49,014,300 | 26.97% | 0.17% |
| Jan. 4, 2024 | HASTINGS PAUL J | Chief Executive Officer | A | Stock Option (right to buy) | 509500 | $0.00 | 509,500.0000 | 49,014,300 | 9999.99% | 1.04% |