Rubrik (NYSE: RBRK) CFO sells 10,000 shares in 10b5-1 trades
Rhea-AI Filing Summary
Rubrik, Inc. (RBRK) reported that its Chief Financial Officer, Kiran Kumar Choudary, executed a series of equity transactions on August 24, 2026. He exercised stock options for 4,000 shares of Class B Common Stock at a conversion price of $7.99 per share, which, together with existing holdings, were converted into Class A Common Stock. He then sold a total of 10,000 shares of Class A Common Stock in multiple open-market transactions at weighted average prices of approximately $97.81, $98.65 and $99.93 per share, pursuant to a Rule 10b5-1 trading plan adopted on April 15, 2026. Following the option exercise, 15,450 stock options remained outstanding under the reported award.
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Negative
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Insights
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Insider Trade Summary 10b5-1
Exercise and sale activity reported; no spread calculated
Exercise and Sale
7 txns
Insider
Choudary Kiran Kumar
Role
Chief Financial Officer
Sold
10,000 shs ($983K)
Approx. gross sale proceeds
$983K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) F4 | 4,000 | $0.00 | $0.00 |
| Exercise | Class B Common Stock F5 | 4,000 | $0.00 | $0.00 |
| Conversion | Class B Common Stock F5 | 4,000 | $0.00 | $0.00 |
| Conversion | Class A Common Stock | 4,000 | $0.00 | $0.00 |
| Sale | Class A Common Stock F1, F2 | 4,400 | $97.81 | $430K |
| Sale | Class A Common Stock F1, F3 | 5,300 | $98.65 | $523K |
| Sale | Class A Common Stock F1 | 300 | $99.93 | $30K |
Holdings After Transaction:
Stock Option (Right to Buy) — 15,450 shares (Direct);
Class B Common Stock — 0 shares (Direct);
Class A Common Stock — 978,073 shares (Direct)
Footnotes (5)
- F1. This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted April 15, 2026.
- F2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $97.24 to $98.21 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.
- F3. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.26 to $99.11 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.
- F4. 1/4 of the shares subject to the option vested on August 20, 2019, and 1/48 of the shares vested monthly thereafter.
- F5. 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.
Key Figures
Shares sold (Class A Common Stock): 10,000 shares
First sale block: 4,400 shares at $97.81 per share
Second sale block: 5,300 shares at $98.65 per share
+5 more
8 metrics
Shares sold (Class A Common Stock)
10,000 shares
Total Class A shares sold in open-market transactions on August 24, 2026
First sale block
4,400 shares at $97.81 per share
Weighted average sale price with trades ranging from $97.24 to $98.21
Second sale block
5,300 shares at $98.65 per share
Weighted average sale price with trades ranging from $98.26 to $99.11
Third sale block
300 shares at $99.93 per share
Single-price sale of Class A Common Stock on August 24, 2026
Option exercise price
$7.99 per share
Exercise price for 4,000-share Stock Option (Right to Buy) on Class B Common Stock
Options remaining after exercise
15,450 options
Stock Option (Right to Buy) shares following the 4,000-share exercise
Total derivative shares exercised/converted
12,000 shares
Aggregate derivative exercise or conversion shares in three transactions
Option expiration date
September 17, 2028
Expiration for the reported Stock Option (Right to Buy)
Key Terms
Rule 10b5-1 trading plan, weighted average price, Class B Common Stock, conversion of derivative security, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"This sale reported on this Form 4 was effected 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.
weighted average price financial
"The reported price in Column 4 is a weighted average price"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Class B Common Stock financial
"Each share of Class B Common Stock held by the Reporting Person will automatically convert"
A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.
conversion of derivative security financial
"transaction_code_description": "Conversion of derivative security"
Stock Option (Right to Buy) financial
"security_title": "Stock Option (Right to Buy)""
FAQ
What insider transactions did RBRK’s CFO report on this Form 4?
Rubrik’s CFO, Kiran Kumar Choudary, reported exercising options for 4,000 shares, converting Class B into Class A Common Stock, and selling 10,000 shares of Class A Common Stock in open-market transactions on August 24, 2026.
Were the RBRK insider sales made under a Rule 10b5-1 trading plan?
Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan adopted on April 15, 2026, indicating the transactions were pre-arranged under that plan.
What stock option activity did the RBRK CFO report?
He reported exercising a stock option covering 4,000 shares of Class B Common Stock at an exercise price of $7.99 per share. After this exercise, the reported stock option position under that award was 15,450 options outstanding, expiring on September 17, 2028.
What is the relationship between Rubrik’s Class A and Class B Common Stock in this filing?
The filing explains that each share of Class B Common Stock is convertible into one share of Class A Common Stock, including automatic conversion upon sale or transfer (subject to certain exceptions) and voluntary conversion at the holder’s option.
AI-generated analysis. How Rhea-AI works. Not financial advice.
