RBRK Rubrik, Inc.
Rubrik, Inc. (RBRK) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 100% planned / 0% discretionary
Largest single sale: $716.8K.
Where they traded
Last open-market purchase: March 30, 2026 , by MCLAUGHLIN MARK D .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Nithrakashyap Arvind 5 fills | Chief Technology Officer | Sell 10b5-1 | 12,820 | $90.41 | $1.2M | 305,744 −4% of holding | |
| Nithrakashyap Arvind 5 fills | Chief Technology Officer | Sell 10b5-1 | 12,820 | $90.46 | $1.2M | 302,870 −4.1% of holding | |
| Nithrakashyap Arvind 3 fills | Chief Technology Officer | Sell 10b5-1 | 12,820 | $91.33 | $1.2M | 303,346 −4.1% of holding | |
| Wassenaar Yvonne | Director | Sell 10b5-1 | 721 | $89.52 | $64.5K | 3,709 −16.3% of holding | |
| THOMPSON JOHN WENDELL 9 fills | Director | Sell 10b5-1 | 13,500 | $89.03 | $1.2M | 14,762 −47.8% of holding | |
| Choudary Kiran Kumar 3 fills | Chief Financial Officer | Sell 10b5-1 | 10,000 | $98.32 | $983.2K | 983,673 −1% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.