NKTX
HealthcareNkarta, Inc.
$2.23-0.06 (-2.40%)
Prev Close
$2.29
Open
$2.30
High
$2.35
Low
$2.20
Volume
597.7K
Market Cap
$183.3M
P/E
—
Div Yield
—
Over the past 12 months, insider activity at Nkarta, Inc. (NKTX) has been exclusively selling, with 0 insider purchases totaling $0.00 and 5 insider sales totaling $134.4K. The most recent insider transaction was by HASTINGS PAUL J (director, officer: Chief Executive Officer), who sold $53.9K worth of shares on Jan 20, 2026. Nkarta, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $183.3M.
Buys (12M)
0
$0.00
Sells (12M)
5
$134.4K
Net Activity
Net Seller
$134.4K
Active Insiders
2
last 12 mo
NKTX Price Chart
NKTX Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 20, 2026↗ | HASTINGS PAUL J | director, officer: Chief Executive Officer | Sell | 26,046 | $2.07 | $53.9K | 390,023 |
| Jan 20, 2026↗ | Mahmood Nadir | officer: President | Sell | 5,649 | $2.07 | $11.7K | 167,727 |
| Jan 15, 2026↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 26,046 | $2.07 | $53.9K | 0 |
| Jan 15, 2026↗ | Mahmood Nadir | President | Sell | 5,649 | $2.07 | $11.7K | 0 |
| Jun 18, 2025↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 1,790 | $1.79 | $3.2K | 0 |
| Jan 17, 2025↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 7,447 | $2.20 | $16.4K | 124,796 |
| Jan 17, 2025↗ | Hager Alicia J. | Chief Legal Officer | Sell | 9,584 | $2.20 | $21.1K | 146,735 |
| Jan 17, 2025↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 17,378 | $2.20 | $38.2K | 319,859 |
| Jan 17, 2025↗ | Levin Alyssa | See Remarks | Sell | 5,838 | $2.20 | $12.8K | 102,662 |
| Jan 17, 2025↗ | Shook David | See Remarks | Sell | 8,638 | $2.20 | $19.0K | 190,955 |
| Jul 18, 2024↗ | Hager Alicia J. | Chief Legal Officer | Sell | 3,396 | $8.00 | $27.2K | 103,819 |
| Jun 20, 2024↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 229 | $5.60 | $1.3K | 79,743 |
| Jun 20, 2024↗ | Hager Alicia J. | Chief Legal Officer | Sell | 727 | $5.60 | $4.1K | 107,215 |
| Jun 20, 2024↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 1,770 | $5.60 | $9.9K | 240,737 |
| Jun 20, 2024↗ | Shook David | Chief Medical Officer | Sell | 456 | $5.60 | $2.6K | 116,524 |
| Jun 20, 2024↗ | Trager James | Chief Scientific Officer | Sell | 456 | $5.60 | $2.6K | 150,959 |
| Mar 29, 2024↗ | RA CAPITAL MANAGEMENT, L.P. | Buy | 3,000,000 | $10.00 | $30.00M | 10,050,800 | |
| Mar 28, 2024↗ | George Simeon | Buy | 2,000,000 | $10.00 | $20.00M | 1,548,340 | |
| Mar 5, 2024↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 8,367 | $12.51 | $104.7K | 79,972 |
| Feb 14, 2024↗ | Trager James | Chief Scientific Officer | Sell | 4,143 | $12.00 | $49.7K | 149,415 |
| Jan 18, 2024↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 2,512 | $8.74 | $22.0K | 81,576 |
| Jan 18, 2024↗ | Hager Alicia J. | Chief Legal Officer | Sell | 4,554 | $8.74 | $39.8K | 107,942 |
| Jan 18, 2024↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 9,697 | $8.74 | $84.8K | 390,507 |
| Jan 18, 2024↗ | Shook David | Chief Medical Officer | Sell | 3,552 | $8.74 | $31.0K | 114,980 |
| Jan 18, 2024↗ | Trager James | Chief Scientific Officer | Sell | 4,560 | $8.74 | $39.9K | 153,558 |
| Aug 23, 2023↗ | Shook David | Chief Medical Officer | Sell | 1,331 | $1.83 | $2.4K | 60,532 |
| Jun 22, 2023↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 221 | $4.85 | $1.1K | 28,088 |
| Jun 22, 2023↗ | Hager Alicia J. | Chief Legal Officer | Sell | 701 | $4.85 | $3.4K | 56,496 |
| Jun 22, 2023↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 1,704 | $4.85 | $8.3K | 313,402 |
| Jun 22, 2023↗ | Mahmood Nadir | See Remarks | Sell | 526 | $4.85 | $2.6K | 85,776 |
| Jun 22, 2023↗ | Shook David | Chief Medical Officer | Sell | 439 | $4.85 | $2.1K | 61,863 |
| Jun 22, 2023↗ | Trager James | Chief Scientific Officer | Sell | 439 | $4.85 | $2.1K | 100,118 |
| Jan 18, 2023↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 491 | $5.49 | $2.7K | 28,309 |
| Jan 18, 2023↗ | Hager Alicia J. | Chief Legal Officer | Sell | 1,103 | $5.49 | $6.1K | 57,197 |
| Jan 18, 2023↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 3,691 | $5.49 | $20.3K | 313,106 |
| Jan 18, 2023↗ | Mahmood Nadir | See Remarks | Sell | 1,122 | $5.49 | $6.2K | 84,302 |
| Jan 18, 2023↗ | Shook David | Chief Medical Officer | Sell | 175 | $5.49 | $960.75 | 60,302 |
| Jan 18, 2023↗ | Trager James | Chief Scientific Officer | Sell | 1,115 | $5.49 | $6.1K | 98,557 |
| Oct 7, 2022↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 842 | $14.02 | $11.8K | 7,800 |
| Sep 30, 2022↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 23,874 | $13.03 | $311.1K | 250,959 |
| Sep 22, 2022↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 6,126 | $13.01 | $79.7K | 274,335 |
| Aug 17, 2022↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 11,000 | $17.64 | $194.1K | 7,800 |
| Aug 17, 2022↗ | Mahmood Nadir | See Remarks | Sell | 7,500 | $18.03 | $135.2K | 46,088 |
| Aug 17, 2022↗ | Trager James | Chief Scientific Officer | Sell | 5,000 | $17.53 | $87.7K | 62,172 |
| Aug 10, 2022↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 11,593 | $15.51 | $179.8K | 7,800 |
| Aug 10, 2022↗ | Mahmood Nadir | See Remarks | Sell | 7,500 | $15.32 | $114.9K | 46,088 |
| Jul 26, 2022↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 3,000 | $13.41 | $40.2K | 7,800 |
| Jul 26, 2022↗ | Mahmood Nadir | See Remarks | Sell | 7,500 | $13.40 | $100.5K | 46,088 |
| Jun 7, 2022↗ | Brandenberger Ralph | Sr. VP, Technical Operations | Sell | 4,140 | $15.00 | $62.1K | 5,300 |
| Apr 29, 2022↗ | George Simeon | Director | Buy | 1,333,333 | $15.00 | $20.00M | 666,667 |
Showing 1–50 of 63
1 / 2
NKTX Insider Buying Activity
The following table shows recent insider purchases of Nkarta, Inc. (NKTX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 29, 2024↗ | RA CAPITAL MANAGEMENT, L.P. | Buy | 3,000,000 | $10.00 | $30.00M | 10,050,800 | |
| Mar 28, 2024↗ | George Simeon | Buy | 2,000,000 | $10.00 | $20.00M | 1,548,340 | |
| Apr 29, 2022↗ | George Simeon | Director | Buy | 1,333,333 | $15.00 | $20.00M | 666,667 |
NKTX Insider Selling Activity
The following table shows recent insider sales of Nkarta, Inc. (NKTX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 20, 2026↗ | HASTINGS PAUL J | director, officer: Chief Executive Officer | Sell | 26,046 | $2.07 | $53.9K | 390,023 |
| Jan 20, 2026↗ | Mahmood Nadir | officer: President | Sell | 5,649 | $2.07 | $11.7K | 167,727 |
| Jan 15, 2026↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 26,046 | $2.07 | $53.9K | 0 |
| Jan 15, 2026↗ | Mahmood Nadir | President | Sell | 5,649 | $2.07 | $11.7K | 0 |
| Jun 18, 2025↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 1,790 | $1.79 | $3.2K | 0 |
| Jan 17, 2025↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 7,447 | $2.20 | $16.4K | 124,796 |
| Jan 17, 2025↗ | Hager Alicia J. | Chief Legal Officer | Sell | 9,584 | $2.20 | $21.1K | 146,735 |
| Jan 17, 2025↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 17,378 | $2.20 | $38.2K | 319,859 |
| Jan 17, 2025↗ | Levin Alyssa | See Remarks | Sell | 5,838 | $2.20 | $12.8K | 102,662 |
| Jan 17, 2025↗ | Shook David | See Remarks | Sell | 8,638 | $2.20 | $19.0K | 190,955 |
| Jul 18, 2024↗ | Hager Alicia J. | Chief Legal Officer | Sell | 3,396 | $8.00 | $27.2K | 103,819 |
| Jun 20, 2024↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 229 | $5.60 | $1.3K | 79,743 |
| Jun 20, 2024↗ | Hager Alicia J. | Chief Legal Officer | Sell | 727 | $5.60 | $4.1K | 107,215 |
| Jun 20, 2024↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 1,770 | $5.60 | $9.9K | 240,737 |
| Jun 20, 2024↗ | Shook David | Chief Medical Officer | Sell | 456 | $5.60 | $2.6K | 116,524 |
| Jun 20, 2024↗ | Trager James | Chief Scientific Officer | Sell | 456 | $5.60 | $2.6K | 150,959 |
| Mar 5, 2024↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 8,367 | $12.51 | $104.7K | 79,972 |
| Feb 14, 2024↗ | Trager James | Chief Scientific Officer | Sell | 4,143 | $12.00 | $49.7K | 149,415 |
| Jan 18, 2024↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 2,512 | $8.74 | $22.0K | 81,576 |
| Jan 18, 2024↗ | Hager Alicia J. | Chief Legal Officer | Sell | 4,554 | $8.74 | $39.8K | 107,942 |
| Jan 18, 2024↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 9,697 | $8.74 | $84.8K | 390,507 |
| Jan 18, 2024↗ | Shook David | Chief Medical Officer | Sell | 3,552 | $8.74 | $31.0K | 114,980 |
| Jan 18, 2024↗ | Trager James | Chief Scientific Officer | Sell | 4,560 | $8.74 | $39.9K | 153,558 |
| Aug 23, 2023↗ | Shook David | Chief Medical Officer | Sell | 1,331 | $1.83 | $2.4K | 60,532 |
| Jun 22, 2023↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 221 | $4.85 | $1.1K | 28,088 |
| Jun 22, 2023↗ | Hager Alicia J. | Chief Legal Officer | Sell | 701 | $4.85 | $3.4K | 56,496 |
| Jun 22, 2023↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 1,704 | $4.85 | $8.3K | 313,402 |
| Jun 22, 2023↗ | Mahmood Nadir | See Remarks | Sell | 526 | $4.85 | $2.6K | 85,776 |
| Jun 22, 2023↗ | Shook David | Chief Medical Officer | Sell | 439 | $4.85 | $2.1K | 61,863 |
| Jun 22, 2023↗ | Trager James | Chief Scientific Officer | Sell | 439 | $4.85 | $2.1K | 100,118 |
| Jan 18, 2023↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 491 | $5.49 | $2.7K | 28,309 |
| Jan 18, 2023↗ | Hager Alicia J. | Chief Legal Officer | Sell | 1,103 | $5.49 | $6.1K | 57,197 |
| Jan 18, 2023↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 3,691 | $5.49 | $20.3K | 313,106 |
| Jan 18, 2023↗ | Mahmood Nadir | See Remarks | Sell | 1,122 | $5.49 | $6.2K | 84,302 |
| Jan 18, 2023↗ | Shook David | Chief Medical Officer | Sell | 175 | $5.49 | $960.75 | 60,302 |
| Jan 18, 2023↗ | Trager James | Chief Scientific Officer | Sell | 1,115 | $5.49 | $6.1K | 98,557 |
| Oct 7, 2022↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 842 | $14.02 | $11.8K | 7,800 |
| Sep 30, 2022↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 23,874 | $13.03 | $311.1K | 250,959 |
| Sep 22, 2022↗ | HASTINGS PAUL J | Chief Executive Officer | Sell | 6,126 | $13.01 | $79.7K | 274,335 |
| Aug 17, 2022↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 11,000 | $17.64 | $194.1K | 7,800 |
| Aug 17, 2022↗ | Mahmood Nadir | See Remarks | Sell | 7,500 | $18.03 | $135.2K | 46,088 |
| Aug 17, 2022↗ | Trager James | Chief Scientific Officer | Sell | 5,000 | $17.53 | $87.7K | 62,172 |
| Aug 10, 2022↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 11,593 | $15.51 | $179.8K | 7,800 |
| Aug 10, 2022↗ | Mahmood Nadir | See Remarks | Sell | 7,500 | $15.32 | $114.9K | 46,088 |
| Jul 26, 2022↗ | Brandenberger Ralph | Chief Technical Officer | Sell | 3,000 | $13.41 | $40.2K | 7,800 |
| Jul 26, 2022↗ | Mahmood Nadir | See Remarks | Sell | 7,500 | $13.40 | $100.5K | 46,088 |
| Jun 7, 2022↗ | Brandenberger Ralph | Sr. VP, Technical Operations | Sell | 4,140 | $15.00 | $62.1K | 5,300 |
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