Nkarta, Inc.
Total Trades
60
Buys
4
Sells
42
Largest Trade
N/A
Insiders
9
Institutional Funds
88
Inst. Value
$1M+
Activist Filings
42
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| HASTINGS PAUL J | CEO | SELL | $50K–$100K | 26K | $2.07 | Jan 20, 2026 |
| Mahmood Nadir | President | SELL | $1K–$15K | 6K | $2.07 | Jan 20, 2026 |
| HASTINGS PAUL J | CEO | SELL | $1K–$15K | 2K | $1.79 | Jun 20, 2025 |
| Shook David | See Remarks | SELL | $15K–$50K | 9K | $2.20 | Jan 17, 2025 |
| Levin Alyssa | See Remarks | SELL | $1K–$15K | 6K | $2.20 | Jan 17, 2025 |
| Brandenberger Ralph | Chief Technical Of… | SELL | $15K–$50K | 7K | $2.20 | Jan 17, 2025 |
| HASTINGS PAUL J | CEO | SELL | $15K–$50K | 17K | $2.20 | Jan 17, 2025 |
| Hager Alicia J. | Chief Legal Officer | SELL | $15K–$50K | 10K | $2.20 | Jan 17, 2025 |
| Trager James | Chief Scientific O… | SELL | $1K–$15K | 456 | $5.60 | Jun 20, 2024 |
| HASTINGS PAUL J | CEO | SELL | $1K–$15K | 2K | $5.60 | Jun 20, 2024 |
| Shook David | Chief Medical Offi… | SELL | $1K–$15K | 456 | $5.60 | Jun 20, 2024 |
| Hager Alicia J. | Chief Legal Officer | SELL | $1K–$15K | 727 | $5.60 | Jun 20, 2024 |
| Brandenberger Ralph | Chief Technical Of… | SELL | $1K–$15K | 229 | $5.60 | Jun 20, 2024 |
| RA CAPITAL MANAGEMENT, L.P. | Director | BUY | $1M+ | 3.0M | $10.00 | Mar 29, 2024 |
| George Simeon | Director | BUY | $1M+ | 2.0M | $10.00 | Mar 28, 2024 |
| Trager James | Chief Scientific O… | SELL | $15K–$50K | 4K | $12.00 | Feb 15, 2024 |
| Shook David | Chief Medical Offi… | SELL | $15K–$50K | 4K | $8.74 | Jan 18, 2024 |
| Trager James | Chief Scientific O… | SELL | $15K–$50K | 5K | $8.74 | Jan 18, 2024 |
| Brandenberger Ralph | Chief Technical Of… | SELL | $15K–$50K | 3K | $8.74 | Jan 18, 2024 |
| HASTINGS PAUL J | CEO | SELL | $50K–$100K | 10K | $8.74 | Jan 18, 2024 |
| Hager Alicia J. | Chief Legal Officer | SELL | $15K–$50K | 5K | $8.74 | Jan 18, 2024 |
| Shook David | Chief Medical Offi… | SELL | $1K–$15K | 1K | $1.83 | Aug 23, 2023 |
| Trager James | Chief Scientific O… | SELL | $1K–$15K | 439 | $4.85 | Jun 22, 2023 |
| Brandenberger Ralph | Chief Technical Of… | SELL | $1K–$15K | 221 | $4.85 | Jun 22, 2023 |
| Hager Alicia J. | Chief Legal Officer | SELL | $1K–$15K | 701 | $4.85 | Jun 22, 2023 |
| Shook David | Chief Medical Offi… | SELL | $1K–$15K | 439 | $4.85 | Jun 22, 2023 |
| Mahmood Nadir | See Remarks | SELL | $1K–$15K | 526 | $4.85 | Jun 22, 2023 |
| HASTINGS PAUL J | CEO | SELL | $1K–$15K | 2K | $4.85 | Jun 22, 2023 |
| Trager James | Chief Scientific O… | SELL | $1K–$15K | 1K | $5.49 | Jan 19, 2023 |
| Trager James | Chief Scientific O… | GRANT | N/A | 38K | — | Jan 19, 2023 |
| Shook David | Chief Medical Offi… | GRANT | N/A | 38K | — | Jan 19, 2023 |
| Shook David | Chief Medical Offi… | SELL | <$1K | 175 | $5.49 | Jan 19, 2023 |
| Mahmood Nadir | See Remarks | GRANT | N/A | 38K | — | Jan 19, 2023 |
| Mahmood Nadir | See Remarks | SELL | $1K–$15K | 1K | $5.49 | Jan 19, 2023 |
| HASTINGS PAUL J | CEO | GRANT | N/A | 65K | — | Jan 19, 2023 |
| HASTINGS PAUL J | CEO | SELL | $15K–$50K | 4K | $5.49 | Jan 19, 2023 |
| Hager Alicia J. | Chief Legal Officer | SELL | $1K–$15K | 1K | $5.49 | Jan 19, 2023 |
| Hager Alicia J. | Chief Legal Officer | GRANT | N/A | 38K | — | Jan 19, 2023 |
| Brandenberger Ralph | Chief Technical Of… | SELL | $1K–$15K | 491 | $5.49 | Jan 19, 2023 |
| Brandenberger Ralph | Chief Technical Of… | GRANT | N/A | 21K | — | Jan 19, 2023 |
| Brandenberger Ralph | Chief Technical Of… | SELL | $1K–$15K | 842 | $14.02 | Oct 7, 2022 |
| Brandenberger Ralph | Chief Technical Of… | EXERCISE | $1K–$15K | 842 | $3.89 | Oct 7, 2022 |
| HASTINGS PAUL J | CEO | SELL | $100K–$500K | 24K | $13.03 | Sep 30, 2022 |
| HASTINGS PAUL J | CEO | SELL | $50K–$100K | 6K | $13.01 | Sep 22, 2022 |
| Trager James | Chief Scientific O… | SELL | $50K–$100K | 5K | $17.53 | Aug 17, 2022 |
| Trager James | Chief Scientific O… | EXERCISE | $15K–$50K | 5K | $3.89 | Aug 17, 2022 |
| Brandenberger Ralph | Chief Technical Of… | SELL | $100K–$500K | 11K | $17.64 | Aug 17, 2022 |
| Brandenberger Ralph | Chief Technical Of… | EXERCISE | $15K–$50K | 11K | $3.89 | Aug 17, 2022 |
| Mahmood Nadir | See Remarks | SELL | $100K–$500K | 8K | $18.03 | Aug 17, 2022 |
| Mahmood Nadir | See Remarks | EXERCISE | $15K–$50K | 8K | $3.89 | Aug 17, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 88 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 10.8M | $1M+ | SH |
| NEA Management Company, LLC | 3.6M | $1M+ | SH |
| Samsara BioCapital, LLC | 3.5M | $1M+ | SH |
| SR ONE CAPITAL MANAGEMENT, LP | 3.3M | $1M+ | SH |
| GSK plc | 3.2M | $1M+ | SH |
| Monaco Asset Management SAM | 2.5M | $1M+ | SH |
| Alyeska Investment Group, L.P. | 2.1M | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 1.7M | $1M+ | SH |
| WASATCH ADVISORS LP | 1.6M | $1M+ | SH |
| TANG CAPITAL MANAGEMENT LLC | 1.5M | $1M+ | SH |
| STATE STREET CORP | 1.2M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.0M | $1M+ | SH |
| AWM Investment Company, Inc. | 906K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 692K | $1M+ | SH |
| Peapod Lane Capital LLC | 676K | $1M+ | SH |
| VANGUARD GROUP INC | 327K | $500K+ | SH |
| PANAGORA ASSET MANAGEMENT INC | 284K | $500K+ | SH |
| BlackRock, Inc. | 266K | $100K–$500K | SH |
| GSA CAPITAL PARTNERS LLP | 207K | $100K–$500K | SH |
| BARCLAYS PLC | 184K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 17, 2026
2.1%
1.5M shares
SC 13D/A · Nov 24, 2025
4.9%
3.5M shares
SC 13G/A · Nov 14, 2025
3.4%
2.4M shares
SC 13G/A · Oct 17, 2025
5.0%
3.5M shares
SC 13G/A · Feb 14, 2025
0.5%
352K shares
SC 13G/A · Feb 14, 2025
0.5%
352K shares
SC 13D/A · Feb 12, 2025
4.0%
2.8M shares
Adage Capital Management, L.P.
SC 13G/A · Feb 12, 2025
0.0%
0 shares
SC 13G · Jan 27, 2025
9.9%
7.0M shares
SC 13G · Dec 13, 2024
4.5%
6 shares
SC 13G/A · Nov 14, 2024
6.6%
4.7M shares
SC 13G/A · Nov 14, 2024
3.0%
2.2M shares
Adage Capital Management, L.P.
SC 13G/A · Nov 12, 2024
5.1%
3.6M shares
SC 13G · Nov 8, 2024
6.0%
4.2M shares
SC 13G/A · Oct 26, 2024
0.0%
0 shares
SC 13G · Oct 24, 2024
6.0%
4.2M shares
SC 13G/A · Apr 5, 2024
4.0%
2.8M shares
SC 13D/A · Mar 29, 2024
18.9%
13.8M shares
SC 13D/A · Mar 29, 2024
5.4%
3.8M shares
New Enterprise Associates 15, L.P.
SC 13D/A · Mar 28, 2024
5.1%
3.6M shares
SC 13D/A · Mar 28, 2024
4.5%
3.2M shares
SC 13G/A · Jan 31, 2024
5.3%
2.6M shares
SC 13G · Jan 18, 2024
9.0%
4.4M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G/A · Nov 13, 2023
0.8%
430K shares
SC 13G · Nov 3, 2023
7.5%
3.7M shares
SC 13G · Oct 27, 2023
5.6%
2.7M shares
SC 13G · Oct 26, 2023
6.9%
3.4M shares
Wasatch Advisors LP 87-0319391
SC 13G/A · Oct 10, 2023
3.8%
1.8M shares
Wasatch Advisors LP 87-0319391
SC 13G/A · May 10, 2023
10.1%
4.9M shares
SC 13D/A · Feb 14, 2023
5.9%
2.9M shares
SC 13G/A · Feb 14, 2023
2.8%
1.4M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G/A · Feb 10, 2023
10.6%
5.2M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G · Feb 10, 2023
9.7%
4.7M shares
Wasatch Advisors LP 87-0319391
SC 13G · Feb 9, 2023
5.6%
2.7M shares
SC 13G · Feb 3, 2023
6.5%
3.2M shares
SC 13D/A · Jun 3, 2022
4.6%
2.2M shares
SC 13D/A · May 13, 2022
6.8%
3.2M shares
New Enterprise Associates 15, L.P.
SC 13D/A · May 5, 2022
7.4%
3.6M shares
SC 13D/A · May 2, 2022
16.2%
7.8M shares
SC 13D/A · May 2, 2022
6.7%
2.2M shares
SC 13G · Feb 18, 2022
6.0%
2.0M shares
SC 13G/A · Feb 14, 2022
0.0%
0 shares