RBRK Rubrik, Inc.

NYSE
$100.20

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.

Insider signal In line Selling ran in line with RBRK's own trailing one-year pace, with 100% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 5 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
4
26 transactions
Purchases
$0
0 shares
Sales
$5.7M
62,681 shares
Net activity
-$5.7M
purchases less sales

How much of that selling was preplanned? 100% planned / 0% discretionary

10b5-1 plan sales $5.7M 26 transactions · 62,681 shares
Discretionary sales $0 0 transactions · 0 shares

Largest single sale: $716.8K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

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.