Rubrik (RBRK) director Thompson sells 13,500 shares after 33,000-share option exercises
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Rubrik, Inc. director John Wendell Thompson reported a mix of option exercises, conversions and pre-planned share sales in Rubrik (RBRK) stock. He exercised and converted derivative securities covering a total of 33,000 shares of Class A Common Stock, including options with a $4.38 exercise price.
On the same date, Thompson sold 13,500 shares of Class A Common Stock in open-market transactions at weighted average prices between roughly $81.39 and $83.81 per share, pursuant to a Rule 10b5-1 trading plan adopted on October 6, 2025. After these transactions, he holds 8,362 Class A shares directly and 14,300 Class A shares indirectly through the John and Sandra Thompson Trust.
Thompson also continues to have indirect exposure to 815,338 underlying shares of Class A Common Stock through Class B Common Stock, as reflected in the holding and derivative position disclosures.
Positive
- None.
Negative
- None.
Insights
Routine 10b5-1 exercise-and-sell activity with large remaining Rubrik stake.
Director John Wendell Thompson exercised and converted derivative securities into 33,000 shares of Rubrik Class A stock, including stock options at an exercise price of $4.38 per share. He then sold 13,500 shares of Class A in open-market trades.
Footnotes state the sales were executed under a Rule 10b5-1 trading plan adopted on October 6, 2025, indicating the trades were pre-scheduled rather than opportunistic. Weighted average sale prices ranged from about $81.39 to $83.81 per share across multiple transactions.
Post-transaction, Thompson still holds 8,362 Class A shares directly and 14,300 Class A shares via the John and Sandra Thompson Trust, plus indirect exposure to 815,338 underlying Class A shares through Class B stock. Given the scale of remaining holdings, this filing reflects routine portfolio management rather than a thesis-changing move.
Insider Trade Summary 10b5-1
Net Seller: 13,500 shares ($1,116,038)
Net Sell
11 txns
Insider
THOMPSON JOHN WENDELL
Role
null
Sold
13,500 shs ($1.12M)
| 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 | 700 | $82.00 | $57K |
| Sale | Class A Common Stock | 1,500 | $82.91 | $124K |
| Sale | Class A Common Stock | 300 | $83.70 | $25K |
| Conversion | Class A Common Stock | 11,000 | $0.00 | -- |
| Sale | Class A Common Stock | 3,100 | $82.02 | $254K |
| Sale | Class A Common Stock | 7,000 | $82.81 | $580K |
| Sale | Class A Common Stock | 900 | $83.59 | $75K |
| holding | Class B Common Stock | -- | -- | -- |
Holdings After Transaction:
Stock Option (Right to Buy) — 88,946 shares (Direct, null);
Class B Common Stock — 61,001 shares (Direct, null);
Class A Common Stock — 14,300 shares (Indirect, By John and Sandra Thompson Trust);
Class A Common Stock — 19,362 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 $81.50 to $82.37 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 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 $82.50 to $83.35 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 $83.62 to $83.81 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 $81.39 to $82.36 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 $82.39 to $83.35 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 $83.41 to $83.81 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 and has no expiration date.
Key Figures
Shares sold: 13,500 shares
Derivative exercises/conversions: 33,000 shares
Option exercise price: $4.38/share
+5 more
8 metrics
Shares sold
13,500 shares
Class A Common Stock open-market sales on 2026-07-01
Derivative exercises/conversions
33,000 shares
Underlying Class A shares from derivative transactions
Option exercise price
$4.38/share
Stock option (right to buy) for 11,000 shares
Direct Class A holdings
8,362 shares
Class A Common Stock held directly after transactions
Indirect Class A via trust
14,300 shares
Class A Common Stock held by John and Sandra Thompson Trust
Underlying shares via Class B
815,338 shares
Underlying Class A shares from Class B Common Stock, indirect
Sale price ranges
$81.39–$83.81
Weighted average price ranges across multiple sale transactions
Net buy/sell shares
-13,500 shares
Net of buy vs. sell activity in non-derivative trades
Key Terms
Rule 10b5-1 trading plan, weighted average price, Class B Common Stock, 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, 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
"Exercise or 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.
automatic conversion financial
"will automatically convert into one share of Class A Common Stock upon the sale or transfer"
FAQ
What insider transactions did Rubrik (RBRK) director John W. Thompson report?
John W. Thompson reported exercising and converting derivative securities into 33,000 shares of Rubrik Class A stock, then selling 13,500 Class A shares in open-market trades. The sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted in October 2025.
What Rubrik (RBRK) holdings does John W. Thompson have after these transactions?
After the reported trades, Thompson holds 8,362 Rubrik Class A shares directly and 14,300 Class A shares indirectly via the John and Sandra Thompson Trust. He also has indirect exposure to 815,338 underlying Class A shares through Class B Common Stock positions.
What options or derivative securities did John W. Thompson exercise in Rubrik (RBRK)?
He exercised derivative securities covering 33,000 underlying Class A shares, including 11,000 shares from a stock option with a $4.38 per-share exercise price. Additional conversions involved Class B Common Stock automatically or voluntarily converting into Class A Common Stock.
How significant are John W. Thompson’s Rubrik (RBRK) sales compared to his remaining stake?
The filing shows 13,500 Class A shares sold versus ongoing holdings of 8,362 Class A shares directly, 14,300 Class A shares via a trust, and 815,338 underlying Class A shares tied to Class B stock. This indicates he retains a substantial Rubrik equity position.