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  4. [Form 4] Palantir Technologies Inc. Insider Trading Activity

Palantir (NYSE: PLTR) accounting chief sells 3,305 shares via preset, tax-cover plan

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Palantir Technologies Inc. (PLTR) reported that Chief Accounting Officer Jeffrey Buckley sold 3,305 shares of Class A Common Stock in multiple transactions on August 20–21, 2026. Most August 20 sales were an automatic sale to cover required tax withholding obligations upon vesting of restricted stock units, executed at weighted average prices ranging from $172.19 to $176.37. An additional August 21 sale at $174.29 per share was made in the open market under a Rule 10b5-1 trading plan. Post-transaction share holdings are not stated in this report.

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Insider Buckley Jeffrey
Role See Remarks
Sold 3,305 shs ($577K)
Type Security Shares Price Value
Sale Class A Common Stock F7 1,250 $174.29 $218K
Sale Class A Common Stock F1, F2 58 $172.6542 $10K
Sale Class A Common Stock F1, F3 100 $173.7864 $17K
Sale Class A Common Stock F1, F4 1,565 $174.8455 $274K
Sale Class A Common Stock F1, F5 325 $175.4185 $57K
Sale Class A Common Stock F1, F6 7 $176.3133 $1K
Holdings After Transaction: Class A Common Stock — 56,921 shares (Direct)
Footnotes (7)
  1. F1. This transaction represents an automatic sale of shares to cover required tax withholding obligations in connection with the vesting of restricted stock units. All sales were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.
  2. F2. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
  3. F3. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
  4. F4. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
  5. F5. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
  6. F6. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
  7. F7. The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026.
Total shares sold 3,305 shares Aggregate sellShares across six transactions reported for August 20–21, 2026
August 21 sale price $174.29 per share Sale of 1,250 shares of Class A Common Stock on 2026-08-21
August 20 weighted average prices $172.6542 to $176.3133 per share Five sale line items on 2026-08-20 with separate weighted average prices
Shares sold for tax withholding Multiple transactions on 2026-08-20 Footnote states sales were to cover required tax withholding on RSU vesting
10b5-1 plan adoption date March 12, 2026 Footnote indicates the Rule 10b5-1 trading plan was entered into on this date
Rule 10b5-1 trading plan regulatory
"sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
restricted stock units financial
"automatic sale of shares to cover required tax withholding obligations in connection with the vesting of restricted stock units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
weighted average sale price financial
"The price reported above reflects the weighted average sale price of trades occurring"
tax withholding obligations financial
"automatic sale of shares to cover required tax withholding obligations in connection"

FAQ

What insider transactions did PLTR report for Jeffrey Buckley in this Form 4?
PLTR reported that Chief Accounting Officer Jeffrey Buckley sold 3,305 shares of Class A Common Stock in six transactions on August 20–21, 2026, all reported as open-market or private sales of non-derivative Class A shares.

Were Jeffrey Buckley’s PLTR sales made under a Rule 10b5-1 trading plan?
Yes. The filing’s checkbox and footnotes indicate that sales were made pursuant to a Rule 10b5-1 trading plan. One footnote adds that the open-market sale on August 21, 2026 was made under a 10b5-1 plan entered into on March 12, 2026.

What prices did Jeffrey Buckley receive for the PLTR shares sold?
Reported weighted average prices include $172.6542, $173.7864, $174.8455, $175.4185, and $176.3133 per share on August 20, 2026, and $174.29 per share on August 21, 2026, with underlying trade price ranges disclosed in the footnotes.

How many PLTR shares did Jeffrey Buckley sell in total in this Form 4?
The transaction summary shows total sellShares of 3,305, reflecting six non-derivative sales of Palantir Class A Common Stock. There were no reported purchases or derivative exercises in this Form 4.

Does the Form 4 disclose Jeffrey Buckley’s PLTR share ownership after these sales?
No. For each reported transaction, the field for total shares following transaction is blank, so this Form 4 does not state Jeffrey Buckley’s remaining holdings after the August 20–21, 2026 sales.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Buckley Jeffrey
(Last)(First)(Middle)
C/O PALANTIR TECHNOLOGIES INC.
19505 BISCAYNE BOULEVARD, SUITE 2350
(Street)
AVENTURA FLORIDA 33180
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Palantir Technologies Inc. [ PLTR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
See Remarks
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/20/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock08/20/2026S(1)58D$172.6542(2)60,168D
Class A Common Stock08/20/2026S(1)100D$173.7864(3)60,068D
Class A Common Stock08/20/2026S(1)1,565D$174.8455(4)58,503D
Class A Common Stock08/20/2026S(1)325D$175.4185(5)58,178D
Class A Common Stock08/20/2026S(1)7D$176.3133(6)58,171D
Class A Common Stock08/21/2026S(7)1,250D$174.2956,921D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. This transaction represents an automatic sale of shares to cover required tax withholding obligations in connection with the vesting of restricted stock units. All sales were conducted in compliance with the Reporting Person's Rule 10b5-1 trading plan.
2. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $172.19 to $173.13. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
3. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $173.21 to $174.20. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
4. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $174.21 to $175.208. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
5. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $175.21 to $176.19. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
6. This transaction represents sales executed in multiple open market sales. The sales reflected in this line item were made at prices ranging from $176.28 to $176.37. The price reported above reflects the weighted average sale price of trades occurring within that price range. See footnotes (2) through (6) for sales executed in price ranges on the date indicated. 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.
7. The Reporting Person sold shares of Class A Common Stock in the open market pursuant to a Rule 10b5-1 trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), entered into on March 12, 2026.
Remarks:
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 attorney08/24/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR