Ra Capital Management, L.P. - Jun 5, 2025 Form 4 Insider Report for Nkarta, Inc. (NKTX)

Signature
/s/ Peter Kolchinsky, Manager of RA Capital Management, L.P.
Stock symbol
NKTX
Transactions as of
Jun 5, 2025
Transactions value $
$0
Form type
4
Date filed
6/9/2025, 04:10 PM
Previous filing
Jun 6, 2025
Next filing
Jun 11, 2025

Reporting Owners (5)

Name Relationship Address Signature Signature date CIK
RA CAPITAL MANAGEMENT, L.P. Director, 10%+ Owner 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P. 2025-06-09 0001346824
RA Capital Healthcare Fund LP Director, 10%+ Owner 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Peter Kolchinsky, Manager of RA Capital Healthcare Fund GP, LLC the General Partner of RA Capital Healthcare Fund, L.P. 2025-06-09 0001315082
RA Capital Nexus Fund, L.P. Director 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund GP, LLC the General Partner of RA Capital Nexus Fund, L.P. 2025-06-09 0001780117
Kolchinsky Peter Director, 10%+ Owner C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Peter Kolchinsky, individually 2025-06-09 0001384859
Shah Rajeev M. Director, 10%+ Owner RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Rajeev Shah, individually 2025-06-09 0001619841

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NKTX Stock Option (right to buy) Award $0 +46K $0.00 46K Jun 5, 2025 Common Stock 46K $1.83 See Footnotes F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 All shares subject to the option vest 100% on the first to occur of (i) June 5, 2026 or (ii) the day immediately preceding the first annual meeting of the Issuer's stockholders to occur after the date of grant of the award, subject to Dr. Scheiner's continued service through the applicable vesting date. Each grant, to the extent outstanding and otherwise unvested, will become fully vested should a "change in control" of the Issuer occur (as described in the applicable award agreement) or upon the Dr. Scheiner's separation from service with the Issuer due to the his death or "disability" (as described in the applicable award agreement).
F2 RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund") and RA Capital Nexus Fund, L.P. (the "Nexus Fund"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. Each of the Adviser, the Adviser GP, the Fund, the Nexus Fund, Dr. Kolchinsky and Mr. Shah disclaims beneficial ownership of any of the reported securities, except to the extent of its or his respective pecuniary interest therein.
F3 Zachary Scheiner is a Principal of the Adviser who serves on the Issuer's board of directors. Under Dr. Scheiner's arrangement with the Adviser, Dr. Scheiner holds the option for the benefit of the Fund and the Nexus Fund. Dr. Scheiner is obligated to turn over to the Adviser any net cash or stock received upon exercise of the option, which will offset advisory fees owed by the Fund and the Nexus Fund to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock.

Remarks:

Dr. Zachary Scheiner, a Principal of the Adviser, serves on the Issuer's board of directors.