NKARTA, INC.
4.90%
3,507,666
1787400
65487U108
Nov 19, 2025
Nov 24, 2025, 06:48 PM
Reporting Persons (3)
This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.
| Name | Type | % of Class | Aggregate | Sole Voting | Shared Voting |
|---|---|---|---|---|---|
| Samsara BioCapital, L.P. | Partnership | 4.90% | 3,507,666 | 0 | 3,507,666 |
| Samsara BioCapital GP, LLC | Other | 4.90% | 3,507,666 | 0 | 3,507,666 |
| Srinivas Akkaraju | Individual | 4.90% | 3,507,666 | 0 | 3,507,666 |
Disclosure Items (3)
Common Stock, $0.0001 par value per share
NKARTA, INC.
1150 Veterans Boulevard, South San Francisco, CA, 94080
Rows 11 and 13 of each Reporting Person's cover page to this Schedule 13D/A set forth the aggregate number of shares of common stock and percentages of the shares of common stock beneficially owned by such Reporting Person and are incorporated by reference. The percentage set forth in each row 13 is based upon 71,029,512 shares of the Issuer's common stock outstanding as of November 5, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the SEC on November 10, 2025. Samsara GP is the sole general partner of Samsara LP and Dr. Akkaraju is a managing member of Samsara GP. Each of Samsara GP and Dr. Akkaraju possesses power to direct the voting and disposition of the securities held by Samsara LP.
Rows 7 through 10 of each Reporting Person's cover page to this Schedule 13D/A set forth the number of shares of common stock as to which such Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition and are incorporated by reference.
Except as set forth below, none of the Reporting Persons has effected any transactions with respect to the securities of the Issuer during the past sixty days: On November 17, 2025, Samsara LP sold 62,361 shares of common stock in open market transactions at prices ranging from $1.80 to $1.89 per share (a weighted-average price of $1.82 per share). On November 18, 2025, Samsara LP sold 51,590 shares of common stock in open market transactions at prices ranging from $1.80 to $1.83 per share (a weighted-average price of $1.81 per share). On November 19, 2025, Samsara LP sold 76,567 shares of common stock in open market transactions at prices ranging from $1.80 to $1.84 per share (a weighted-average price of $1.80 per share). On November 20, 2025, Samsara LP sold 69,851 shares of common stock in open market transactions at prices ranging from $1.71 to $1.85 per share (a weighted-average price of $1.73 per share). The foregoing shares of common stock were held by Samsara LP for the exclusive benefit of limited partners who had redeemed their respective interests in Samsara LP and in which neither Samsara GP nor Dr. Akkaraju had any economic interest.
No other person is known to have the right to receive or the power to direct the receipt of dividends from, or any proceeds from the sale of, the securities beneficially owned by any of the Reporting Persons.
The Reporting Persons ceased to be the beneficial owners of more than five percent of the common stock on November 20, 2025.
Exhibit 99.1 Joint Filing Agreement (incorporated by reference to Exhibit A to the Reporting Persons' Schedule 13D filed with the SEC on July 22, 2020).