Greedy Insider
Rubrik, Inc. (RBRK) Insider Trades and Scores
Rubrik, Inc. (RBRK) insider trades: since Dec 9, 2025, Greedy Insider recorded 1 open-market buys and 203 sales on Form 4 from 7 insiders. The strongest recent filing scored 89 (Strong).
Who bought and who sold
Across the last 204 scoreable Form 4 transactions in RBRK, 1 were open-market purchases and 203 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 1478.0 | 182266.95 | 2026-10-07 | 70 | View |
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 8274.0 | 1026389.7 | 2026-10-07 | 83 | View |
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 3055.0 | 381233.44 | 2026-10-07 | 76 | View |
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 13.0 | 1632.41 | 2026-10-07 | 68 | View |
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 582.0 | 72953.7 | 2026-10-06 | 67 | View |
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 11101.0 | 1400280.1 | 2026-10-06 | 84 | View |
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 1069.0 | 135624.03 | 2026-10-06 | 68 | View |
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 68.0 | 8683.6 | 2026-10-06 | 67 | View |
| Wassenaar Yvonne | Director | Sell | 721.0 | 85799.0 | 2026-10-05 | 72 | View |
| Nithrakashyap Arvind | Chief Technology Officer | Sell | 495.0 | 58865.4 | 2026-10-05 | 67 | View |
The strongest recent filing
Nithrakashyap Arvind (Chief Technology Officer) sold 31,450 shares of Rubrik, Inc. on Dec 17, 2025, a filing that scored 89 (Strong). It scored Strong because a senior insider was trading and it was direct personal ownership. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 4 insiders (Choudary Kiran Kumar, McCarthy Brian K., Nithrakashyap Arvind, Mhatre Ravi) traded RBRK the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Rubrik, Inc.'s own history
Open-market buys make up 0% of the 204 scoreable RBRK transactions on record between Dec 9, 2025 and Oct 7, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 204
- Open-market buys: 1
- Sales: 203
- Distinct insiders: 7
- Strongest recent Greediness Score: 89 (Strong)
Primary sources
Related
- Strongest filing
- RBRK in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.