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  4. [Form 4] Rubrik, Inc. Insider Trading Activity

RBRK insider sale: 10,000 shares sold; 359,319 shares remain

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

Rhea-AI Filing Summary

Rubrik (RBRK) reported an insider transaction: its Pres., Global Sales & Field Ops sold 10,000 shares of Class A common stock on 10/13/2025 pursuant to a Rule 10b5-1 trading plan adopted June 27, 2024.

Sales were executed in multiple trades at weighted-average prices of $82.00, $83.15, $84.12 and $85.05, with disclosed price ranges for the first three blocks. After these transactions, the reporting person beneficially owns 359,319 shares, held directly.

Positive

  • None.

Negative

  • None.
Insider McCarthy Brian K.
Role Pres.,Global Sales & Field Ops
Sold 10,000 shs ($830K)
Type Security Shares Price Value
Sale Class A Common Stock 2,047 $82.00 $168K
Sale Class A Common Stock 6,824 $83.15 $567K
Sale Class A Common Stock 1,029 $84.12 $87K
Sale Class A Common Stock 100 $85.05 $9K
Holdings After Transaction: Class A Common Stock — 359,319 shares (Direct)
Footnotes (4)
  1. F1. This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted June 27, 2024
  2. F2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.62 to $82.56 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
  3. F3. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.64 to $83.63 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
  4. F4. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.65 to $84.57 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.

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FAQ

What insider activity did Rubrik (RBRK) disclose?
An officer sold 10,000 shares of Class A common stock on 10/13/2025.

Was the Rubrik (RBRK) sale under a trading plan?
Yes. The sales were made under a Rule 10b5-1 trading plan adopted June 27, 2024.

What prices were reported for the Rubrik (RBRK) insider sales?
Weighted-average prices were $82.00, $83.15, $84.12 and $85.05, with ranges disclosed for the first three blocks.

How many Rubrik (RBRK) shares does the insider own after the sale?
The reporting person beneficially owns 359,319 shares, held directly.

Who is the reporting person in the Rubrik (RBRK) filing?
An officer of the company, titled Pres., Global Sales & Field Ops.

What form reported the Rubrik (RBRK) insider transaction?
The transaction was disclosed on Form 4.

Were price ranges provided for the trades?
Yes. Disclosed ranges include $81.62–$82.56, $82.64–$83.63, and $83.65–$84.57 for the first three blocks.
SEC Form 4
FORM 4 UNITED 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).
1. Name and Address of Reporting Person*
McCarthy Brian K.
(Last) (First) (Middle)
C/O RUBRIK INC.
3495 DEER CREEK ROAD
(Street)
PALO ALTO CA 94304
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Rubrik, Inc. [ RBRK ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Pres.,Global Sales & Field Ops
3. Date of Earliest Transaction (Month/Day/Year)
10/13/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
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)
Code V Amount (A) or (D) Price
Class A Common Stock 10/13/2025 S(1) 2,047 D $82(2) 367,272 D
Class A Common Stock 10/13/2025 S(1) 6,824 D $83.15(3) 360,448 D
Class A Common Stock 10/13/2025 S(1) 1,029 D $84.12(4) 359,419 D
Class A Common Stock 10/13/2025 S(1) 100 D $85.05 359,319 D
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted June 27, 2024
2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.62 to $82.56 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
3. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.64 to $83.63 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
4. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.65 to $84.57 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
/s/ Anne-Kathrin Lalendran, Attorney-in-Fact 10/14/2025
** Signature of Reporting Person Date
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.

Source: View Original Filing on SEC EDGAR