Form 4 for RBRK Rubrik, Inc.
Accepted 2026-03-26 00:00:00 ET · period of report 2026-03-24 · accession 0002020220-26-000010 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-03-26 | 2026-03-24 | RBRK | Choudary Kiran Kumar | CFO | C - Cnv Deriv | $0.00 | +212.2K | 687.5K | +45% | $0 |
| D | 2026-03-26 | 2026-03-24 | RBRK | Choudary Kiran Kumar | CFO | S - Sale | $48.20 | -122.6K | 564.9K | -18% | -$5.91M |
| DM | 2026-03-26 | 2026-03-24 | RBRK | Choudary Kiran Kumar | CFO | M - OptEx | $0.00 | 0 | 0 | New | $0 |
| D | 2026-03-26 | 2026-03-24 | RBRK | Choudary Kiran Kumar | CFO | C - Cnv Deriv | — | -212.2K | 0 | -100% | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-03-24 | C | A | 212,188 | $0.00 | 687,514 | D | — | — | (F1) Includes 367 shares purchased through the Issuer's employee stock purchase plan on March 20, 2026. |
| 2 | Common | Class A Common Stock | 2026-03-24 | S | D | 122,613 | $48.20 | 564,901 | D | — | — | (F2) This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain Restricted Stock Units (RSUs). (F1) Includes 367 shares purchased through the Issuer's employee stock purchase plan on March 20, 2026. |
| 3 | Derivative | Restricted Stock Units | 2026-03-24 | M | D | 150,000 | $0.00 | 200,000 | D | — · — to 2030-03-24 | 150,000 Class B Common Stock | (F3) Each RSU represents a contingent right to receive one share of Class B Common Stock. (F5) The RSUs shall vest as follows: 75,000 shares subject to the RSU vested on March 15, 2024, 125,000 shares subject to the RSU vest on March 15, 2025, 150,000 shares vest on March 15, 2026, and 200,000 shares vest on March 15, 2027, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan). |
| 4 | Derivative | Class B Common Stock | 2026-03-24 | C | D | 212,188 | — | 0 | D | — · — to — | 212,188 Class A Common Stock | (F7) 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. |
| 5 | Derivative | Class B Common Stock | 2026-03-24 | M | A | 212,188 | — | 212,188 | D | — · — to — | 212,188 Class A Common Stock | (F7) 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. |
| 6 | Derivative | Restricted Stock Units | 2026-03-24 | M | D | 55,000 | $0.00 | 192,500 | D | — · — to 2031-03-25 | 55,000 Class B Common Stock | (F3) Each RSU represents a contingent right to receive one share of Class B Common Stock. (F6) The RSUs shall vest as follows: 10% of the shares subject to the RSU vest on March 15, 2025, 20% of the shares subject to the RSU vest on March 15, 2026, 35% of the shares subject to the RSU vest on March 15, 2027, and 35% of the shares subject to the RSU vest on March 15, 2028, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan). |
| 7 | Derivative | Restricted Stock Units | 2026-03-24 | M | D | 7,188 | $0.00 | 0 | D | — · — to 2029-04-13 | 7,188 Class B Common Stock | (F3) Each RSU represents a contingent right to receive one share of Class B Common Stock. (F4) The RSUs shall vest as follows: 1/16 of the shares subject to the RSU vested on June 15, 2022, and 1/16 of the shares subject to the RSU vest every quarter thereafter, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan). |