Rubrik (NYSE: RBRK) director sells 13,500 shares, holds 17,500 directly
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Rubrik, Inc. director John Wendell Thompson reported a mix of option exercises and share sales. He exercised or converted derivative securities into 11,000 shares of Class A Common Stock at an exercise price of $4.38 per share, increasing his direct Class A holdings to 17,500 shares.
On the same date, he sold a total of 13,500 shares of Class A Common Stock in open-market transactions at weighted average prices ranging from about $54.67 to $56.37 per share, including sales executed pursuant to a Rule 10b5-1 trading plan adopted on October 6, 2025. After these transactions, he holds 17,500 Class A shares directly and 18,000 Class A shares indirectly through the John and Sandra Thompson Trust, which also holds Class B Common Stock convertible into 815,338 Class A shares.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 13,500 shares ($749,078)
Net Sell
9 txns
Insider
THOMPSON JOHN WENDELL
Role
null
Sold
13,500 shs ($749K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) | 11,000 | $0.00 | -- |
| Exercise | Class B Common Stock | 11,000 | $0.00 | -- |
| Conversion | Class B Common Stock | 11,000 | $0.00 | -- |
| Sale | Class A Common Stock | 2,000 | $55.39 | $111K |
| Sale | Class A Common Stock | 500 | $56.00 | $28K |
| Conversion | Class A Common Stock | 11,000 | $0.00 | -- |
| Sale | Class A Common Stock | 7,197 | $55.25 | $398K |
| Sale | Class A Common Stock | 3,803 | $55.92 | $213K |
| holding | Class B Common Stock | -- | -- | -- |
Holdings After Transaction:
Stock Option (Right to Buy) — 110,946 shares (Direct, null);
Class B Common Stock — 61,001 shares (Direct, null);
Class A Common Stock — 18,000 shares (Indirect, By John and Sandra Thompson Trust);
Class A Common Stock — 15,653 shares (Direct, null);
Class B Common Stock — 815,338 shares (Indirect, By John and Sandra Thompson Trust)
Footnotes (1)
- This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted October 6, 2025. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.90 to $55.89 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 shares are held of record by John and Sandra Thompson Trust, for which the Reporting Person serves as a co-trustee and shares voting and dispositive power with his spouse. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.90 to $56.31 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 $54.67 to $55.66 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 $55.67 to $56.37 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. Fully vested. 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: 13,500 shares
Sale price range: $54.67–$56.37 per share
Options/derivatives exercised: 11,000 shares
+5 more
8 metrics
Shares sold
13,500 shares
Total Class A shares sold in open-market transactions on 2026-05-01
Sale price range
$54.67–$56.37 per share
Weighted average price ranges from multiple Class A sales
Options/derivatives exercised
11,000 shares
Class A shares acquired via derivative exercises/conversions on 2026-05-01
Option exercise price
$4.38 per share
Stock option (right to buy) exercise price for 11,000 shares
Direct Class A holdings
17,500 shares
Total Class A Common Stock held directly after transactions
Trust Class A holdings
18,000 shares
Class A Common Stock held indirectly by John and Sandra Thompson Trust after sales
Convertible Class B underlying
815,338 shares
Class A shares underlying Class B Common Stock held indirectly via trust
Net share direction
-13,500 shares
Net buy-sell shares across all reported transactions (net-sell)
Key Terms
Rule 10b5-1 trading plan, weighted average price, Class B Common Stock, derivative security, +2 more
6 terms
Rule 10b5-1 trading plan regulatory
"This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted October 6, 2025."
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 into one share of Class A Common Stock..."
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.
derivative security financial
"Conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
Stock Option (Right to Buy) financial
"Stock Option (Right to Buy)"
co-trustee regulatory
"for which the Reporting Person serves as a co-trustee and shares voting and dispositive power with his spouse."
FAQ
What did Rubrik (RBRK) director John Wendell Thompson do in this Form 4?
He reported both acquiring and selling shares. Thompson exercised or converted derivative securities into 11,000 Class A shares, then sold 13,500 Class A shares in open-market trades, while retaining direct and indirect ownership stakes in Rubrik stock.
What options or derivatives did John Wendell Thompson exercise in Rubrik (RBRK)?
He exercised or converted derivative securities covering 11,000 shares of Class A Common Stock. One stock option with a $4.38 per share exercise price and related Class B derivative positions were involved, increasing his direct Class A holdings before subsequent sales.
How is the John and Sandra Thompson Trust involved in Rubrik (RBRK) ownership?
The John and Sandra Thompson Trust holds Rubrik shares with Thompson as co-trustee sharing voting and dispositive power with his spouse. The trust owns 18,000 Class A shares and Class B Common Stock convertible into 815,338 Class A shares, according to the filing and footnotes.