Form 4: Rubrik CEO Reports Stock Transaction
Insider Transaction (Form 4)
Bipul Sinha, Chairman of the Board and CEO, a Director and 10% owner of Rubrik, Inc., reported multiple transactions in common stock on September 24, 2026.
Summary
- Conversion of derivative: acquired 500,000 Class A Common Stock on September 24, 2026; holds 500,000 after (Indirect).
- Conversion of derivative: acquired 55,000 Class A Common Stock on September 24, 2026; holds 111,652 after (Direct).
- Bona fide gift: disposed of 55,000 Class A Common Stock on September 25, 2026; holds 56,652 after (Direct).
- Conversion of derivative: disposed of 555,000 Class B Common Stock on September 24, 2026; holds 10,679,839 after (Direct).
- Other acquisition/disposition: acquired 500,000 Prepaid Variable Forward Contract (obligation to sell) on September 25, 2026; holds 500,000 after (Indirect).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Bipul Sinha — Director, Officer (Chairman of the Board and CEO), 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-24 | Conversion of derivative | Class A Common Stock | 500,000 | — | — | 500,000 |
| 2026-09-24 | Conversion of derivative | Class A Common Stock | 55,000 | — | — | 111,652 |
| 2026-09-25 | Bona fide gift | Class A Common Stock | 55,000 | — | — | 56,652 |
| 2026-09-24 | Conversion of derivative | Class B Common Stock | 555,000 | — | — | 10,679,839 |
| 2026-09-25 | Other acquisition/disposition | Prepaid Variable Forward Contract (obligation to sell) | 500,000 | — | — | 500,000 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-24 | Conversion of derivative (500,000 shares) |
| 2026-09-24 | Conversion of derivative (55,000 shares) |
| 2026-09-25 | Bona fide gift (55,000 shares) |
| 2026-09-24 | Conversion of derivative (555,000 shares) |
| 2026-09-25 | Other acquisition/disposition (500,000 shares) |
Keywords
insider transaction, Form 4, RBRK, Rubrik, Inc., neutral, Bipul Sinha
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