StockCIK 1943896

Rubrik, Inc. (RBRK): Insider Trades and Fund Holdings

In the past 12 months, Rubrik, Inc. insiders reported 0 open-market purchases worth $0 and 15 sales worth $13.2M; 15 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months

$0Bought by insiders, 12 months

$13.2MSold by insiders, 12 months

1Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 7, 2026.

Recent RBRK insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Oct 7	Oct 6	Arvind NithrakashyapCTO	CTO	▼ SELL10b5-1	12,820	126.17	$1.62M	−4.5%	Form 4 ↗
Oct 7	Oct 7	Arvind NithrakashyapCTO	CTO	▼ SELL10b5-1	12,820	124.14	$1.59M	−4.5%	Form 4 ↗
Oct 7	Oct 5	Arvind NithrakashyapCTO	CTO	▼ SELL10b5-1	12,820	122.64	$1.57M	−4.5%	Form 4 ↗
Oct 6	Oct 5	Yvonne WassenaarDirector	Director	▼ SELL10b5-1	721	119.00	$86K	−19%	Form 4 ↗
Oct 2	Oct 1	John Wendell ThompsonDirector	Director	▼ SELL10b5-1	11,000	115.69	$1.27M	−57%	Form 4 ↗
Oct 2	Oct 1	John Wendell ThompsonDirector	Director (ind.)	▼ SELL10b5-1	2,500	115.68	$289K	−33%	Form 4 ↗
Sep 17	Sep 17	Kiran Kumar ChoudaryCFO	CFO	▼ SELL10b5-1	6,000	107.32	$644K	−0.6%	Form 4 ↗
Sep 17	Sep 15	Kiran Kumar ChoudaryCFO	CFO	▼ SELL10b5-1	4,000	101.05	$404K	−0.4%	Form 4 ↗
Sep 10	Sep 8	Arvind NithrakashyapCTO	CTO	▼ SELL10b5-1	12,820	91.33	$1.17M	−4.2%	Form 4 ↗
Sep 10	Sep 9	Arvind NithrakashyapCTO	CTO	▼ SELL10b5-1	12,820	90.46	$1.16M	−4.2%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

All 15 RBRK insider trades →

Insiders who traded in the past year

Insider	Role	Bought	Sells	Sold	Latest
Arvind Nithrakashyap	CTO	$0	6	$8.27M	Oct 7, 2026
Yvonne Wassenaar	Director	$0	2	$150K	Oct 6, 2026
John Wendell Thompson	Director	$0	4	$2.76M	Oct 2, 2026
Kiran Kumar Choudary	CFO	$0	3	$2.03M	Sep 17, 2026

Tracked funds that report RBRK

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Renaissance Technologies	Q2 2026	509,189	$40.9M	0.06%	▲ +34.9%
Bridgewater Associates	Q2 2026	0	$0	0.00%	▼ Sold out

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →