Rubrik, Inc. (RBRK) Insider Trading

Last 12 months

Insiders bought $502k and sold $68.9M on the open market.

83% of the selling was scheduled in advance under 10b5-1 plans. Chief Financial Officer Kiran Kumar Choudary sold $5.91M on Mar 24, 18% of their stake, outside a plan.

Net open-market

−$68.4M

1 buy · 47 sales

Under a 10b5-1 plan

83%

of the value sold

Insiders who bought / sold

1 / 6

executives and directors

Last open-market buy

Mar 2026

Mar 30, 2026

Get an email when RBRK's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Oct 5 – 7	Arvind Nithrakashyap Chief Technology Officer	Sold10b5-1 plan 14 parts	38,460	$124.32 average	$4.78M	12%	Form 4
Oct 5	Yvonne Wassenaar Director	Sold10b5-1 plan	721	$119.00	$86k	19%	Form 4
Oct 1	John Wendell Thompson Director	Sold10b5-1 plan 6 parts	13,500	$115.69 average	$1.56M	50%	Form 4
Sep 15 – 17	Kiran Kumar Choudary Chief Financial Officer	Sold10b5-1 plan 10 parts	10,000	$104.81 average	$1.05M	1.0%	Form 4
Sep 8 – 10	Arvind Nithrakashyap Chief Technology Officer	Sold10b5-1 plan 13 parts	38,460	$90.73 average	$3.49M	12%	Form 4
Sep 3	Yvonne Wassenaar Director	Sold10b5-1 plan	721	$89.52	$65k	16%	Form 4
Sep 1	John Wendell Thompson Director	Sold10b5-1 plan 9 parts	13,500	$89.03 average	$1.2M	46%	Form 4
Aug 24	Kiran Kumar Choudary Chief Financial Officer	Sold10b5-1 plan 3 parts	10,000	$98.32 average	$983k	1.0%	Form 4
Aug 3 – 5	Arvind Nithrakashyap Chief Technology Officer	Sold10b5-1 plan 11 parts	38,460	$79.19 average	$3.05M	12%	Form 4
Aug 3	Yvonne Wassenaar Director	Sold10b5-1 plan	721	$75.00	$54k	16%	Form 4
Aug 3	John Wendell Thompson Director	Sold10b5-1 plan 4 parts	13,500	$74.10 average	$1M	42%	Form 4
Jul 15	Kiran Kumar Choudary Chief Financial Officer	Sold10b5-1 plan 8 parts	28,000	$81.73 average	$2.29M	2.8%	Form 4
Jul 13	Ravi Mhatre Director	SoldNo plan	3,979	$83.10	$331k	0.5%	Form 4
Jul 6 – 8	Arvind Nithrakashyap Chief Technology Officer	Sold10b5-1 plan 16 parts	38,460	$86.65 average	$3.33M	11%	Form 4
Jul 1	Yvonne Wassenaar Director	Sold10b5-1 plan	721	$81.57	$59k	13%	Form 4
Jul 1	John Wendell Thompson Director	Sold10b5-1 plan 6 parts	13,500	$82.67 average	$1.12M	39%	Form 4
Jun 26	Ravi Mhatre Director	SoldNo plan	3,979	$71.49	$284k	0.6%	Form 4
Jun 23	Yvonne Wassenaar Director	Sold10b5-1 plan	676	$75.00	$51k	11%	Form 4
Jun 1 – 3	Arvind Nithrakashyap Chief Technology Officer	Sold10b5-1 plan 17 parts	225,087	$83.85 average	$18.9M	42%	Form 4
Jun 3	Yvonne Wassenaar Director	Sold10b5-1 plan	721	$80.73	$58k	11%	Form 4
Jun 1	John Wendell Thompson Director	Sold10b5-1 plan 11 parts	13,500	$84.54 average	$1.14M	37%	Form 4
May 29	Yvonne Wassenaar Director	Sold10b5-1 plan	2,838	$75.00	$213k	55%	Form 4
May 1	John Wendell Thompson Director	Sold10b5-1 plan 4 parts	13,500	$55.49 average	$749k	38%	Form 4
Apr 7	Kiran Kumar Choudary Chief Financial Officer	Sold10b5-1 plan 4 parts	20,000	$51.69 average	$1.03M	3.5%	Form 4
Apr 1	John Wendell Thompson Director	Sold10b5-1 plan 4 parts	13,500	$48.91 average	$660k	35%	Form 4
Mar 30	Mark D McLaughlin Director	Bought	10,638	$47.21	$502k	354%	Form 4
Mar 24	Kiran Kumar Choudary Chief Financial Officer	SoldNo plan	122,613	$48.20	$5.91M	18%	Form 4
Mar 24	Arvind Nithrakashyap Chief Technology Officer	SoldNo plan	28,967	$48.20	$1.4M	7.7%	Form 4
Mar 2	John Wendell Thompson Director	Sold10b5-1 plan 6 parts	13,500	$53.60 average	$724k	33%	Form 4
Feb 18	Kiran Kumar Choudary Chief Financial Officer	Sold10b5-1 plan 3 parts	20,000	$54.17 average	$1.08M	4.0%	Form 4
Feb 2	John Wendell Thompson Director	Sold10b5-1 plan 6 parts	13,500	$55.29 average	$746k	31%	Form 4
Jan 16	Kiran Kumar Choudary Chief Financial Officer	Sold10b5-1 plan 3 parts	20,000	$67.66 average	$1.35M	3.9%	Form 4
Jan 14 – 15	Arvind Nithrakashyap Chief Technology Officer	Sold10b5-1 plan 2 parts	5,693	$70.34 average	$400k	1.7%	Form 4
Jan 12	Brian K. McCarthy Pres.,Global Sales & Field Ops	Sold10b5-1 plan 3 parts	10,000	$70.88 average	$709k	2.9%	Form 4
Jan 7	Kiran Kumar Choudary Chief Financial Officer	Sold10b5-1 plan 3 parts	3,500	$76.20 average	$267k	0.7%	Form 4
Jan 5	John Wendell Thompson Director	Sold10b5-1 plan 6 parts	13,500	$73.84 average	$997k	78%	Form 4
Dec 22, 2025	Kiran Kumar Choudary Chief Financial Officer	Sold10b5-1 plan 2 parts	3,500	$79.25 average	$277k	0.7%	Form 4
Dec 17, 2025	Kiran Kumar Choudary Chief Financial Officer	SoldNo plan 2 parts	6,779	$76.18 average	$516k	1.3%	Form 4
Dec 17, 2025	Brian K. McCarthy Pres.,Global Sales & Field Ops	SoldNo plan 2 parts	4,797	$76.18 average	$365k	1.4%	Form 4
Dec 17, 2025	Arvind Nithrakashyap Chief Technology Officer	SoldNo plan	31,450	$76.19	$2.4M	8.4%	Form 4

Oct 5 – 710b5-1 plan
Arvind Nithrakashyap
Chief Technology Officer · sold 38,460 at avg $124.32
$4.78M
12% of stake
Oct 510b5-1 plan
Yvonne Wassenaar
Director · sold 721 at $119.00
$86k
19% of stake
Oct 110b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $115.69
$1.56M
50% of stake
Sep 15 – 1710b5-1 plan
Kiran Kumar Choudary
Chief Financial Officer · sold 10,000 at avg $104.81
$1.05M
1.0% of stake
Sep 8 – 1010b5-1 plan
Arvind Nithrakashyap
Chief Technology Officer · sold 38,460 at avg $90.73
$3.49M
12% of stake
Sep 310b5-1 plan
Yvonne Wassenaar
Director · sold 721 at $89.52
$65k
16% of stake
Sep 110b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $89.03
$1.2M
46% of stake
Aug 2410b5-1 plan
Kiran Kumar Choudary
Chief Financial Officer · sold 10,000 at avg $98.32
$983k
1.0% of stake
Aug 3 – 510b5-1 plan
Arvind Nithrakashyap
Chief Technology Officer · sold 38,460 at avg $79.19
$3.05M
12% of stake
Aug 310b5-1 plan
Yvonne Wassenaar
Director · sold 721 at $75.00
$54k
16% of stake
Aug 310b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $74.10
$1M
42% of stake
Jul 1510b5-1 plan
Kiran Kumar Choudary
Chief Financial Officer · sold 28,000 at avg $81.73
$2.29M
2.8% of stake
Jul 13No plan
Ravi Mhatre
Director · sold 3,979 at $83.10
$331k
0.5% of stake
Jul 6 – 810b5-1 plan
Arvind Nithrakashyap
Chief Technology Officer · sold 38,460 at avg $86.65
$3.33M
11% of stake
Jul 110b5-1 plan
Yvonne Wassenaar
Director · sold 721 at $81.57
$59k
13% of stake
Jul 110b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $82.67
$1.12M
39% of stake
Jun 26No plan
Ravi Mhatre
Director · sold 3,979 at $71.49
$284k
0.6% of stake
Jun 2310b5-1 plan
Yvonne Wassenaar
Director · sold 676 at $75.00
$51k
11% of stake
Jun 1 – 310b5-1 plan
Arvind Nithrakashyap
Chief Technology Officer · sold 225,087 at avg $83.85
$18.9M
42% of stake
Jun 310b5-1 plan
Yvonne Wassenaar
Director · sold 721 at $80.73
$58k
11% of stake
Jun 110b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $84.54
$1.14M
37% of stake
May 2910b5-1 plan
Yvonne Wassenaar
Director · sold 2,838 at $75.00
$213k
55% of stake
May 110b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $55.49
$749k
38% of stake
Apr 710b5-1 plan
Kiran Kumar Choudary
Chief Financial Officer · sold 20,000 at avg $51.69
$1.03M
3.5% of stake
Apr 110b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $48.91
$660k
35% of stake
Mar 30
Mark D McLaughlin
Director · bought 10,638 at $47.21
$502k
354% of stake
Mar 24No plan
Kiran Kumar Choudary
Chief Financial Officer · sold 122,613 at $48.20
$5.91M
18% of stake
Mar 24No plan
Arvind Nithrakashyap
Chief Technology Officer · sold 28,967 at $48.20
$1.4M
7.7% of stake
Mar 210b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $53.60
$724k
33% of stake
Feb 1810b5-1 plan
Kiran Kumar Choudary
Chief Financial Officer · sold 20,000 at avg $54.17
$1.08M
4.0% of stake
Feb 210b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $55.29
$746k
31% of stake
Jan 1610b5-1 plan
Kiran Kumar Choudary
Chief Financial Officer · sold 20,000 at avg $67.66
$1.35M
3.9% of stake
Jan 14 – 1510b5-1 plan
Arvind Nithrakashyap
Chief Technology Officer · sold 5,693 at avg $70.34
$400k
1.7% of stake
Jan 1210b5-1 plan
Brian K. McCarthy
Pres.,Global Sales & Field Ops · sold 10,000 at avg $70.88
$709k
2.9% of stake
Jan 710b5-1 plan
Kiran Kumar Choudary
Chief Financial Officer · sold 3,500 at avg $76.20
$267k
0.7% of stake
Jan 510b5-1 plan
John Wendell Thompson
Director · sold 13,500 at avg $73.84
$997k
78% of stake
Dec 22, 202510b5-1 plan
Kiran Kumar Choudary
Chief Financial Officer · sold 3,500 at avg $79.25
$277k
0.7% of stake
Dec 17, 2025No plan
Kiran Kumar Choudary
Chief Financial Officer · sold 6,779 at avg $76.18
$516k
1.3% of stake
Dec 17, 2025No plan
Brian K. McCarthy
Pres.,Global Sales & Field Ops · sold 4,797 at avg $76.18
$365k
1.4% of stake
Dec 17, 2025No plan
Arvind Nithrakashyap
Chief Technology Officer · sold 31,450 at $76.19
$2.4M
8.4% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch RBRK, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in RBRK's SEC filings or

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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