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

Rubrik (RBRK) CFO sells 20,000 shares after exercising options and converting stock

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

Rhea-AI Filing Summary

Rubrik, Inc. Chief Financial Officer Kiran Kumar Choudary reported option exercises, share conversions, and open-market sales of company stock. On February 18, 2026, he exercised stock options for 5,000 shares at a price of $0.00 per share, which were in the form of Class B Common Stock that then converted into 5,000 shares of Class A Common Stock.

On the same date, he sold a total of 20,000 shares of Class A Common Stock in multiple open-market transactions at reported weighted average prices of $52.55, $53.91, and $54.39 per share, under a Rule 10b5-1 trading plan adopted on October 15, 2025. Following these transactions, his directly held Class A Common Stock position was 474,959 shares.

Positive

  • None.

Negative

  • None.
Insider Choudary Kiran Kumar
Role Chief Financial Officer
Sold 20,000 shs ($1.08M)
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 5,000 $0.00 --
Exercise Class B Common Stock 5,000 $0.00 --
Conversion Class B Common Stock 5,000 $0.00 --
Conversion Class A Common Stock 5,000 $0.00 --
Sale Class A Common Stock 900 $52.55 $47K
Sale Class A Common Stock 5,623 $53.91 $303K
Sale Class A Common Stock 13,477 $54.39 $733K
Holdings After Transaction: Stock Option (Right to Buy) — 36,450 shares (Direct); Class B Common Stock — 5,000 shares (Direct); Class A Common Stock — 494,959 shares (Direct)
Footnotes (1)
  1. This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted October 15, 2025. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.05 to $52.94 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. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.13 to $54.12 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. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.13 to $54.80 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. 1/4 of the shares subject to the option vested on August 20, 2019, and 1/48 of the shares vested monthly thereafter. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.
Form 4 Insider Transactions: What Each Field Means →
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).
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*
Choudary Kiran Kumar
(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)
Chief Financial Officer
3. Date of Earliest Transaction (Month/Day/Year)
02/18/2026
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 02/18/2026 C 5,000 A $0 494,959 D
Class A Common Stock 02/18/2026 S(1) 900 D $52.55(2) 494,059 D
Class A Common Stock 02/18/2026 S(1) 5,623 D $53.91(3) 488,436 D
Class A Common Stock 02/18/2026 S(1) 13,477 D $54.39(4) 474,959 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
Stock Option (Right to Buy) $7.99 02/18/2026 M 5,000 (5) 09/17/2028 Class B Common Stock 5,000 $0 36,450 D
Class B Common Stock (6) 02/18/2026 M 5,000 (6) (6) Class A Common Stock 5,000 $0 5,000 D
Class B Common Stock (6) 02/18/2026 C 5,000 (6) (6) Class A Common Stock 5,000 $0 0 D
Explanation of Responses:
1. This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted October 15, 2025.
2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.05 to $52.94 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 $53.13 to $54.12 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 $54.13 to $54.80 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.
5. 1/4 of the shares subject to the option vested on August 20, 2019, and 1/48 of the shares vested monthly thereafter.
6. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.
/s/ Larry Guo, Attorney-in-Fact 02/19/2026
** 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

FAQ

What insider transactions did Rubrik (RBRK) report for its CFO on February 18, 2026?

Rubrik’s CFO Kiran Kumar Choudary exercised stock options for 5,000 shares and converted Class B into Class A Common Stock, then sold 20,000 Class A shares in open-market transactions, as disclosed in a Form 4 insider trading report.

How many Rubrik (RBRK) shares did the CFO sell, and at what prices?

The CFO sold 20,000 shares of Rubrik Class A Common Stock. Weighted average sale prices were $52.55, $53.91, and $54.39 per share, across multiple transactions within narrower price ranges detailed in the Form 4 footnotes.

Was Rubrik (RBRK) CFO’s stock sale executed under a Rule 10b5-1 plan?

Yes. The Form 4 states the sale was effected under a Rule 10b5-1 trading plan adopted on October 15, 2025, indicating the transactions followed a pre-arranged schedule rather than discretionary, same-day trading decisions.

What option exercise did the Rubrik (RBRK) CFO report on the Form 4?

He exercised a stock option covering 5,000 shares at an exercise price of $0.00 per share. The related footnote explains the vesting schedule, with one quarter vesting on August 20, 2019, and the remainder vesting in equal monthly installments thereafter.

How many Rubrik (RBRK) shares does the CFO hold after these transactions?

After the reported option exercise, share conversions, and sales, the Form 4 shows Kiran Kumar Choudary directly owning 474,959 shares of Rubrik Class A Common Stock, reflecting his remaining equity stake following the 20,000-share sale.

How do Rubrik (RBRK) Class B shares held by the CFO convert into Class A shares?

Each Class B Common share automatically converts into one Class A share upon sale or transfer, subject to certain exceptions. The Form 4 notes Class B shares are also convertible at any time at the holder’s option into Class A on a one-for-one basis.