X0306 4 2021-08-02 0 0001321655 Palantir Technologies Inc. PLTR 0001823951 Karp Alexander C. C/O PALANTIR TECHNOLOGIES INC. 1555 BLAKE STREET, SUITE 250 DENVER CO 80202 1 1 0 0 See Remarks Class A Common Stock 2021-08-02 4 C 0 638629 A 7070887 D Class A Common Stock 2021-08-02 4 S 0 638629 22.0493 D 6432258 D Class A Common Stock 2021-08-03 4 C 0 638629 A 7070887 D Class A Common Stock 2021-08-03 4 S 0 638629 21.9577 D 6432258 D Class A Common Stock 2021-08-04 4 C 0 638629 A 7070887 D Class A Common Stock 2021-08-04 4 S 0 638629 22.2709 D 6432258 D Employee Stock Option (Right to buy) 0.103 2021-08-02 4 M 0 638629 0.00 D 2021-12-03 Class B Common Stock 638629 22015539 D Class B Common Stock 0.103 2021-08-02 4 M 0 638629 0.00 A Class A Common Stock 638629 31284342 D Class B Common Stock 2021-08-02 4 C 0 638629 0.00 D Class A Common Stock 638629 30645713 D Employee Stock Option (Right to buy) 0.103 2021-08-03 4 M 0 2554516 0.00 D 2021-12-03 Class B Common Stock 2554516 19461023 D Class B Common Stock 0.103 2021-08-03 4 M 0 2554516 0.00 A Class A Common Stock 2554516 33200229 D Class B Common Stock 2021-08-03 4 C 0 638629 0.00 D Class A Common Stock 638629 32561600 D Employee Stock Option (Right to buy) 0.103 2021-08-04 4 M 0 638629 0.00 D 2021-12-03 Class B Common Stock 638629 18822394 D Class B Common Stock 0.103 2021-08-04 4 M 0 638629 0.00 A Class A Common Stock 638629 33200229 D Class B Common Stock 2021-08-04 4 C 0 638629 0.00 D Class A Common Stock 638629 32561600 D This transaction is part of a related series of transactions undertaken on August 2, 2021 pursuant to a preexisting Rule 10b5-1 trading plan. The Reporting Person exercised 638,629 vested Class B Common Stock options that are expiring on December 3, 2021, converted the resulting shares of Class B Common Stock to Class A Common Stock, and immediately sold the shares of Class A Common Stock in the open market. The Class B Common Stock is convertible into the Issuer's Class A Common Stock on a 1-for-1 basis and has no expiration date. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $21.51 to $22.36. The price reported above reflects the weighted average sale price of trades occurring within that price range. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. This transaction is part of a related series of transactions undertaken on August 3, 2021. The Reporting Person exercised 638,629 vested Class B Common Stock options that are expiring on December 3, 2021, converted the resulting shares of Class B Common Stock to Class A Common Stock, and immediately sold the shares of Class A Common Stock, all pursuant to a preexisting Rule 10b5-1 trading plan. The Reporting Person also exercised an additional 1,915,887 vested Class B Common Stock options that are expiring on December 3, 2021 and held the resulting shares of Class B Common Stock, resulting in a net increase in the number of shares of Class B Common Stock held as of the transaction date. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $21.72 to $22.25. The price reported above reflects the weighted average sale price of trades occurring within that price range. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. This transaction is part of a related series of transactions undertaken on August 4, 2021 pursuant to a preexisting Rule 10b5-1 trading plan. The Reporting Person exercised 638,629 vested Class B Common Stock options that are expiring on December 3, 2021, converted the resulting shares of Class B Common Stock to Class A Common Stock, and immediately sold the shares of Class A Common Stock in the open market. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $22.08 to $22.53. The price reported above reflects the weighted average sale price of trades occurring within that price range. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. The options exercised in this transaction were fully vested and exercisable as of the transaction date. The Reporting Person's Forms 4 filed on July 8, July 23 and July 28, 2021 inadvertently reported the number of shares of Class B Common Stock beneficially owned by the Reporting Person as 1,000 shares higher than actually owned. The 31,284,342 shares reported in this Form 4 reflects the correct number of shares of Class B Common Stock owned following the option exercise on August 2, 2021. Officer title: Chief Executive Officer /s/ Justin V. Laubach, under power of attorney 2021-08-04