SEC Form 4 · accession 0001707744-26-000021
Rubrik, Inc. · RBRK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Yvonne Wassenaar
Director
Period of report
Sep 3, 2026
Accepted (ET)
Sep 3, 2026 · 9:05 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001943896
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock | Sep 3, 2026 | C | 513 | $0.00 | A | 4,430 | D | |
| Class A Common Stock | Sep 3, 2026 | S | 721 | $89.52 | D | 3,709 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Class B Common StockF2 | — | Sep 3, 2026 | C | 513 | D | — | — | Class A Common Stock | 513 | 32,603 | D |
Explanation of responses
- F1This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted December 15, 2025.
- F2Each 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.