[Form 4] Rubrik, Inc. Insider Trading Activity
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Rubrik director Yvonne Wassenaar reported a mix of sales and share conversions. She executed an open-market sale of 2,838 shares of Class A Common Stock at $75.00 per share on May 29, 2026, under a pre-arranged Rule 10b5-1 trading plan adopted on December 15, 2025.
On the same date, she converted 2,163 shares of Class B Common Stock into 2,163 shares of Class A Common Stock through a derivative conversion. Following these transactions, she directly holds 5,164 shares of Class A Common Stock and 33,837 shares of Class B Common Stock.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 2,838 shares ($212,850)
Net Sell
3 txns
Insider
Wassenaar Yvonne
Role
null
Sold
2,838 shs ($213K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Conversion | Class B Common Stock | 2,163 | $0.00 | -- |
| Conversion | Class A Common Stock | 2,163 | $0.00 | -- |
| Sale | Class A Common Stock | 2,838 | $75.00 | $213K |
Holdings After Transaction:
Class B Common Stock — 33,837 shares (Direct, null);
Class A Common Stock — 5,164 shares (Direct, null)
Footnotes (1)
- This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted December 15, 2025. 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: 2,838 shares
Sale price: $75.00 per share
Class A after transactions: 5,164 shares
+3 more
6 metrics
Shares sold
2,838 shares
Class A Common Stock sold on May 29, 2026
Sale price
$75.00 per share
Open-market sale of Class A on May 29, 2026
Class A after transactions
5,164 shares
Direct Class A holdings following May 29, 2026 transactions
Class B after conversion
33,837 shares
Direct Class B holdings following May 29, 2026 conversion
Class B converted
2,163 shares
Class B to Class A derivative conversion on May 29, 2026
Net shares sold
2,838 shares
Net buy/sell direction reported as net-sell in summary
Key Terms
Rule 10b5-1 trading plan, Class A Common Stock, 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, adopted December 15, 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.
Class A Common Stock financial
"security_title: Class A Common Stock; open-market sale and post-transaction holdings."
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
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.
Conversion of derivative security financial
"transaction_code_description: Conversion of derivative security for Class B into Class A."
derivative conversion financial
"transaction_action: derivative conversion for 2,163 shares on May 29, 2026."
FAQ
What insider transactions did Rubrik (RBRK) director Yvonne Wassenaar report?
Yvonne Wassenaar reported selling 2,838 shares of Rubrik Class A Common Stock and converting 2,163 Class B shares into Class A. These transactions occurred on May 29, 2026, and together changed both her share mix and total Class A holdings.
What happened to Yvonne Wassenaar’s Rubrik (RBRK) Class B Common Stock holdings?
She converted 2,163 shares of Class B Common Stock into 2,163 shares of Class A Common Stock through a derivative conversion. After this transaction, she continued to hold 33,837 Class B shares directly, alongside increased Class A holdings.
What does the Class B to Class A conversion mean for Rubrik (RBRK) stock structure?
Each converted Class B share became one Class A share, as described in Rubrik’s charter. The filing notes Class B automatically converts to Class A upon certain transfers and is also convertible at the holder’s option at any time.