X0609 4 2026-09-29 0 0001321655 Palantir Technologies Inc. PLTR 0001705189 Buckley Jeffrey false C/O PALANTIR TECHNOLOGIES INC. 19505 BISCAYNE BOULEVARD, SUITE 2350 AVENTURA FL 33180 0 1 0 0 See Remarks 0 Stock Appreciation Rights 186.97 2026-09-29 4 A 0 16714 0 A Class A Common Stock 16714 D Represents stock appreciation rights ("SARs") that are fully vested and exercisable as of the date of grant. The SARs have a maximum term of 40 years from the date of grant, subject to earlier termination upon certain change in control transactions and/or following termination of service. The aggregate number of shares of Class A Common Stock issuable upon exercise will be determined as of the exercise date and will be based on the difference between the exercise price and the fair value of the Company's Class A Common Stock on the trading day immediately prior to the exercise date. Officer title: Chief Accounting Officer. This Form 4 has been compiled based on applicable requirements to reflect the specific transactions described herein and is not intended to disclose or describe all shares and/or other equity securities owned or beneficially held by the Reporting Person. /s/ Devon Klein, under power of attorney 2026-10-01