RBRK
Rubrik, Inc.Company with tickers: RBRK
Market Cap
$14.62B
Shares Outstanding
160,956,763
CIK
1943896
CUSIP
781154109
13F Activity (30d)
4 filings
3 filers
Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.
| Filed | Seller | Relationship | Shares | Approx. Sale | Broker |
|---|---|---|---|---|---|
| 2026-05-29 | YVONNE WASSENAAR | Director | 5,677 | 2026-05-29 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-01 | JOHN AND SANDRA THOMPSON TRUST | Director | 7,500 | 2026-05-01 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-05-01 | JOHN THOMPSON | Director | 33,000 | 2026-05-01 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-03-24 | Kiran Kumar Choudary | Officer | 122,820 | 2026-03-24 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-03-24 | Arvind Nithrakashyap | Officer, Director | 29,015 | 2026-03-24 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-01-16 | KIRAN CHOUDARY | Officer | 60,000 | 2026-01-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-01-05 | JOHN THOMPSON | Director | 44,000 | 2026-01-05 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-01-05 | JOHN AND SANDRA THOMPSON TRUST | Director | 10,000 | 2026-01-05 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-22 | KIRAN KUMAR CHOUDARY | Officer | 7,000 | 2025-12-22 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-16 | NITHRAKASHYAP ARVIND | Director, Officer | 33,553 | 2025-12-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-16 | MCCARTHY BRIAN K. | Officer | 4,796 | 2025-12-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-16 | CHOUDARY KIRAN KUMAR | Officer | 7,232 | 2025-12-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-12 | Lightspeed Venture Partners X, LP | Affiliate | 101,659 | 2025-12-12 | Merrill Lynch, Pierce,Fenner & Smith Incorporated |
| 2025-12-12 | 001-42028 | Affiliate | 5,307 | 2025-12-12 | Merrill Lynch, Pierce,Fenner & Smith Incorporated |
| 2025-12-12 | Lightspeed General Partner Select II, LP | Affiliate | 206 | 2025-12-12 | Merrill Lynch, Pierce,Fenner & Smith Incorporated |
| 2025-12-12 | Lightspeed General Partner IX, LP | Affiliate | 10,123 | 2025-12-12 | Merrill Lynch, Pierce,Fenner & Smith Incorporated |
| 2025-12-08 | Eggers Investments LP - Fund 2 | affiliate | 40,000 | 2025-12-08 | Merrill Lynch |
| 2025-11-03 | JOHN AND SANDRA THOMPSON TRUST | Director | 18,018 | 2025-11-03 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-10-14 | BRIAN MCCARTHY | Officer | 40,000 | 2025-10-13 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-09-17 | KIRAN KUMAR CHOUDARY | Officer | 21,000 | 2025-09-17 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-09-16 | Kiran Kumar Choudary | Officer | 6,805 | 2025-09-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-09-16 | Arvind Nithrakashyap | Officer, Director | 41,421 | 2025-09-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-09-16 | Brian K. McCarthy | Officer | 4,814 | 2025-09-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-09-12 | GREYLOCK MANAGEMENT CORPORATIONC/O DONALD A SULLIVAN &ADAM J AMERO | Director | 31,809 | 2025-09-12 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-08-01 | JOHN AND SANDRA THOMPSON TRUST | Director | 27,027 | 2025-08-01 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-06-30 | Lightspeed Management Company, L.L.C. | Officer, Director, 10% Stockholder | 16,984 | 2025-06-30 | Merrill Lynch, Pierce, Fenner & Smith Inc. |
| 2025-06-27 | Lightspeed General Partner IX, L.P. | Officer, Director, 10% Stockholder | 32,396 | 2025-06-27 | Merrill Lynch, Pierce, Fenner & Smith Inc. |
| 2025-06-27 | Lightspeed General Partner Select II, L.P. | Officer, Director, 10% Stockholder | 660 | 2025-06-27 | Merrill Lynch, Pierce, Fenner & Smith Inc. |
| 2025-06-26 | Bain Capital Venture Investors, LLC | Affiliate | 316 | 2025-06-26 | Merrill Lynch |
| 2025-06-26 | Bain Capital Venture Coinvestment II Partners, LP | Affiliate | 1,185 | 2025-06-26 | Merrill Lynch |
| 2025-06-26 | BCIP Venture Associates II-B, LP | Affiliate | 1,387 | 2025-06-26 | Merrill Lynch |
| 2025-06-26 | BCIP Venture Associates II, L.P. | Affiliate | 19,036 | 2025-06-26 | Merrill Lynch |
| 2025-06-17 | Brian K. McCarthy | Officer | 4,815 | 2025-06-17 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-06-17 | Arvind Nithrakashyap | Officer, Director | 43,432 | 2025-06-17 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-06-17 | GREYLOCK MANAGEMENT CORPORATION | Director | 36,072 | 2025-06-17 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-06-17 | Kiran Kumar Choudary | Officer | 6,804 | 2025-06-17 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-06-13 | BCIP Venture Associates II-B, LP | Affiliate | 3,878 | 2025-06-13 | Merrill Lynch |
| 2025-06-13 | BCV 2019-MD Coinvestment II, L.P. | Affiliate | 12,231 | 2025-06-13 | Merrill Lynch, Pierce, Fenner & Smith Inc. |
| 2025-06-13 | Bain Capital Venture Fund 2019, L.P. | Affiliate | 303,333 | 2025-06-13 | Merrill Lynch |
| 2025-06-13 | Bain Capital Venture Coinvestment Fund II, L.P. | Affiliate | 305,768 | 2025-06-13 | Merrill Lynch |
| 2025-06-13 | BCIP Venture Associates II, L.P. | Affiliate | 63,123 | 2025-06-13 | Merrill Lynch |
| 2025-06-13 | BCV 2019-MD Primary, L.P. | Affiliate | 11,667 | 2025-06-13 | Merrill Lynch, Pierce, Fenner & Smith Inc. |
| 2025-06-05 | BRIAN MCCARTHY | Officer | 62,500 | 2025-06-05 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-06-05 | KIRAN KUMAR CHOUDARY | Officer | 47,000 | 2025-06-05 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-05-13 | KIRAN KUMAR CHOUDARY | Officer | 42,000 | 2025-05-13 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-05-13 | BRIAN MCCARTHY | Officer | 87,500 | 2025-05-13 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-05-05 | YVONNE WASSENAAR | Director | 6,000 | 2025-05-05 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-05-01 | JOHN AND SANDRA THOMPSON TRUST | Director | 27,027 | 2025-05-01 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-04-16 | KIRAN KUMAR CHOUDARY | Officer | 33,000 | 2025-04-16 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-04-15 | Lightspeed Management Company, L.L.C. | Officer, Director, 10% Stockholder | 13,213 | 2025-04-15 | Merrill Lynch, Pierce, Fenner & Smith Inc. |
Showing 1–50 of 71 filings