RBRK

Rubrik, Inc.

Services-Prepackaged SoftwareNYSENon-accelerated filer<br>Emerging growth company

Total Trades

99

Buys

0

Sells

96

Largest Trade

N/A

Insiders

10

Institutional Funds

389

Inst. Value

$1M+

Activist Filings

21

Insider Trades

InsiderTitleTypeValueSharesPriceDate
THOMPSON JOHN WENDELLDirectorSELL$500K+14K$53.60Mar 4, 2026
THOMPSON JOHN WENDELLDirectorSELL$500K+14K$55.29Feb 3, 2026
Choudary Kiran KumarCFOSELL$1M+20K$67.66Jan 17, 2026
Nithrakashyap ArvindCTOSELL$100K–$500K6K$70.34Jan 17, 2026
McCarthy Brian K.Pres.SELL$500K+10K$70.88Jan 13, 2026
Choudary Kiran KumarCFOSELL$100K–$500K4K$76.20Jan 8, 2026
THOMPSON JOHN WENDELLDirectorSELL$500K+14K$73.84Jan 7, 2026
Choudary Kiran KumarCFOSELL$100K–$500K4K$79.25Dec 23, 2025
McCarthy Brian K.Pres.SELL$100K–$500K5K$76.18Dec 19, 2025
Choudary Kiran KumarCFOSELL$500K+7K$76.18Dec 19, 2025
Nithrakashyap ArvindCTOSELL$1M+31K$76.19Dec 19, 2025
Mhatre RaviDirectorSELL$1M+102K$81.82Dec 16, 2025
McCarthy Brian K.Pres.SELL$500K+10K$90.83Dec 10, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$91.46Dec 10, 2025
THOMPSON JOHN WENDELLDirectorSELL$500K+9K$68.75Dec 2, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$69.46Nov 20, 2025
McCarthy Brian K.Pres.SELL$500K+10K$75.90Nov 12, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$72.29Nov 7, 2025
THOMPSON JOHN WENDELLDirectorSELL$500K+9K$75.45Nov 4, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$82.68Oct 2, 2025
THOMPSON JOHN WENDELLDirectorSELL$500K+9K$82.76Oct 2, 2025
McCarthy Brian K.Chief Revenue Offi…SELL$100K–$500K5K$74.21Sep 18, 2025
Nithrakashyap ArvindCTOSELL$1M+40K$74.21Sep 18, 2025
Choudary Kiran KumarCFOSELL$500K+10K$74.42Sep 18, 2025
Sinha BipulChairman of the Bo…SELL$1M+616K$75.63Sep 12, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$88.26Sep 4, 2025
THOMPSON JOHN WENDELLDirectorSELL$500K+9K$87.83Sep 4, 2025
McCarthy Brian K.Chief Revenue Offi…SELL$1M+13K$87.84Sep 4, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$83.90Jul 24, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$87.54Jul 11, 2025
Wassenaar YvonneDirectorSELL$100K–$500K2K$88.21Jul 8, 2025
THOMPSON JOHN WENDELLDirectorSELL$500K+9K$85.96Jul 7, 2025
McCarthy Brian K.Chief Revenue Offi…SELL$1M+25K$85.97Jul 7, 2025
Mhatre RaviDirectorSELL$1M+17K$89.47Jul 3, 2025
Lightspeed Management Company, L.L.C.10% OwnerSELL$1M+17K$89.47Jul 3, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$91.00Jun 27, 2025
Salem Enrique TDirectorSELL$1M+22K$89.78Jun 27, 2025
Nithrakashyap ArvindCTOSELL$1M+43K$88.56Jun 20, 2025
McCarthy Brian K.Chief Revenue Offi…SELL$100K–$500K5K$88.56Jun 20, 2025
Choudary Kiran KumarCFOSELL$500K+7K$88.56Jun 20, 2025
Salem Enrique TDirectorSELL$1M+700K$91.09Jun 17, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$88.25Jun 13, 2025
Choudary Kiran KumarCFOSELL$1M+30K$100.24Jun 9, 2025
McCarthy Brian K.Chief Revenue Offi…SELL$1M+25K$100.18Jun 9, 2025
Nithrakashyap ArvindCTOSELL$1M+97K$99.02Jun 6, 2025
Wassenaar YvonneDirectorSELL$100K–$500K2K$99.98Jun 5, 2025
THOMPSON JOHN WENDELLDirectorSELL$500K+9K$98.21Jun 4, 2025
McCarthy Brian K.Chief Revenue Offi…SELL$1M+25K$98.20Jun 4, 2025
Choudary Kiran KumarCFOSELL$100K–$500K4K$94.86May 30, 2025
McCarthy Brian K.Chief Revenue Offi…SELL$1M+25K$90.10May 27, 2025
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Lightspeed Venture Partners IX, L.P.

SC 13G/A · Feb 18, 2026

2.6%

4.2M shares

The Vanguard Group

SC 13G/A · Oct 30, 2025

9.2%

13.0M shares

Bipul Sinha

SC 13D/A · Sep 12, 2025

8.9%

13.8M shares

The Vanguard Group

SC 13G/A · Sep 8, 2025

10.3%

12.8M shares

Lightspeed Venture Partners IX, L.P.

SC 13G/A · Aug 14, 2025

4.0%

5.5M shares

Greylock XIV Limited Partnership

SC 13G/A · Aug 14, 2025

3.5%

4.5M shares

The Vanguard Group

SC 13G/A · Jul 29, 2025

9.7%

12.0M shares

Lightspeed Venture Partners IX, L.P.

SC 13G/A · May 15, 2025

8.8%

10.0M shares

Greylock XIV Limited Partnership

SC 13G/A · May 7, 2025

8.2%

9.0M shares

Bipul Sinha

SC 13D · Apr 2, 2025

9.9%

13.4M shares

Arvind Nithrakashyap

SC 13G · Feb 14, 2025

11.5%

11.3M shares

Bipul Sinha

SC 13G · Feb 14, 2025

13.2%

13.2M shares

Khosla Ventures V, L.P.

SC 13G/A · Feb 14, 2025

0.0%

0 shares

Greylock XIV Limited Partnership

SC 13G/A · Feb 13, 2025

13.4%

13.4M shares

Norges Bank

SC 13G/A · Feb 12, 2025

4.9%

4.2M shares

The Vanguard Group

SC 13G · Jan 31, 2025

7.3%

6.3M shares

Greylock XIV Limited Partnership

SC 13G · Dec 19, 2024

20.6%

17.9M shares

7.3%

13.3M shares

Khosla Ventures V, L.P.

SC 13G · Nov 14, 2024

5.0%

3.6M shares

Millennium Management LLC

SC 13G · May 8, 2024

2.6%

618K shares

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