Form4insider filings, from the source

Company · CIK 0001943896 · SIC 7372 — Services-Prepackaged Software · NYSE

Rubrik, Inc. · RBRK

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $38.4M · 18net −$38.4M
$10k$10k$1M$1M$100M$100MbuyssalesMay 31Jun 18Jul 6Jul 24Aug 11Aug 29Sep 16

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 24, 2026 CGForm 4 →Sep 25, 8:41 pm EDTBipul SinhaChairman of the Board and CEO, Director, 10% Owner610,000——56,652—
Sep 15, 2026 FForm 4 →Sep 17, 9:15 pm EDTArvind NithrakashyapChief Technology Officer, Director10,436$100.20$1,045,687282,857—
Sep 15, 2026 SForm 4 →Sep 17, 9:14 pm EDTKiran Kumar ChoudaryChief Financial Officer10,000$104.81$1,048,108958,078−1.03%10b5-1
Sep 15, 2026 CFForm 4 →Sep 17, 9:14 pm EDTKiran Kumar ChoudaryChief Financial Officer17,995$100.20$1,402,299964,078—10b5-1
Sep 8, 2026 SForm 4 →Sep 10, 8:46 pm EDTArvind NithrakashyapChief Technology Officer, Director38,460$90.73$3,489,619293,293−11.6%10b5-1
Sep 8, 2026 CForm 4 →Sep 10, 8:46 pm EDTArvind NithrakashyapChief Technology Officer, Director38,460——306,113—10b5-1
Sep 3, 2026 SForm 4 →Sep 3, 9:05 pm EDTYvonne WassenaarDirector721$89.52$64,5443,709−16.3%10b5-1
Sep 3, 2026 CForm 4 →Sep 3, 9:05 pm EDTYvonne WassenaarDirector513——4,430—10b5-1
Sep 1, 2026 CForm 4 →Sep 3, 8:22 pm EDTJohn Wendell ThompsonDirector11,000——19,362—10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 8:22 pm EDTJohn Wendell ThompsonDirector13,500$89.03$1,201,9468,362−61.8%10b5-1
Aug 26, 2026 AForm 4 →Aug 28, 7:01 pm EDTRakefet Russak-AminoachDirector10,304——10,304—
Aug 24, 2026 SForm 4 →Aug 25, 4:15 pm EDTKiran Kumar ChoudaryChief Financial Officer10,000$98.32$983,188978,073−1.01%10b5-1
Aug 24, 2026 CForm 4 →Aug 25, 4:15 pm EDTKiran Kumar ChoudaryChief Financial Officer4,000——988,073—10b5-1
Aug 3, 2026 SForm 4 →Aug 5, 7:01 pm EDTArvind NithrakashyapChief Technology Officer, Director38,460$79.19$3,045,575293,293−11.6%10b5-1
Aug 3, 2026 CForm 4 →Aug 5, 7:01 pm EDTArvind NithrakashyapChief Technology Officer, Director28,142——306,113—10b5-1
Aug 3, 2026 CForm 4 →Aug 4, 7:00 pm EDTJohn Wendell ThompsonDirector11,000——19,362—10b5-1
Aug 3, 2026 SForm 4 →Aug 4, 7:00 pm EDTJohn Wendell ThompsonDirector13,500$74.10$1,000,4088,362−61.8%10b5-1
Aug 3, 2026 SForm 4 →Aug 4, 7:00 pm EDTYvonne WassenaarDirector721$75.00$54,0753,917−15.5%10b5-1
Jul 15, 2026 SForm 4 →Jul 16, 5:13 pm EDTKiran Kumar ChoudaryChief Financial Officer28,000$81.73$2,288,374984,073−2.77%10b5-1
Jul 15, 2026 CForm 4 →Jul 16, 5:13 pm EDTKiran Kumar ChoudaryChief Financial Officer12,000——1,012,073—10b5-1
Jul 13, 2026 SForm 4 →Jul 14, 4:15 pm EDTRavi MhatreDirector3,979$83.10$330,6550−100%
Jul 10, 2026 CJForm 4 →Jul 14, 4:15 pm EDTRavi MhatreDirector5,653,466——96,525—
Jul 6, 2026 SForm 4 →Jul 8, 7:01 pm EDTArvind NithrakashyapChief Technology Officer, Director38,460$86.65$3,332,421303,611−11.2%10b5-1
Jul 6, 2026 CForm 4 →Jul 8, 7:01 pm EDTArvind NithrakashyapChief Technology Officer, Director38,460——316,431—10b5-1
Jul 1, 2026 SForm 4 →Jul 1, 7:38 pm EDTYvonne WassenaarDirector721$81.57$58,8124,638−13.5%10b5-1
Jul 1, 2026 CForm 4 →Jul 1, 7:37 pm EDTJohn Wendell ThompsonDirector11,000——19,362—10b5-1
Jul 1, 2026 SForm 4 →Jul 1, 7:37 pm EDTJohn Wendell ThompsonDirector13,500$82.67$1,116,0388,362−61.8%10b5-1
Jun 26, 2026 SForm 4 →Jun 26, 6:46 pm EDTRavi MhatreDirector3,979$71.49$284,4590−100%
Jun 24, 2026 CJForm 4 →Jun 26, 6:46 pm EDTRavi MhatreDirector5,653,466——90,217—
Jun 23, 2026 SForm 4 →Jun 24, 7:21 pm EDTYvonne WassenaarDirector676$75.00$50,7005,359−11.2%10b5-1
Jun 16, 2026 FForm 4 →Jun 17, 5:27 pm EDTKiran Kumar ChoudaryChief Financial Officer13,995$69.79$976,7111,000,073—
Jun 16, 2026 FForm 4 →Jun 17, 5:26 pm EDTArvind NithrakashyapChief Technology Officer, Director10,437$69.79$728,398303,611—
Jun 3, 2026 AForm 4 →Jun 5, 7:01 pm EDTAsheem ChandnaDirector3,709——6,249—
Jun 3, 2026 AForm 4 →Jun 5, 7:00 pm EDTMark D McLaughlinDirector3,709——20,028—
Jun 3, 2026 AForm 4 →Jun 5, 6:58 pm EDTRavi MhatreDirector3,709——101,603—
Jun 3, 2026 SForm 4 →Jun 3, 9:41 pm EDTYvonne WassenaarDirector721$80.73$58,2062,326−23.7%10b5-1
Jun 3, 2026 ACForm 4 →Jun 3, 9:41 pm EDTYvonne WassenaarDirector4,430——6,035—10b5-1
Jun 3, 2026 AForm 4 →Jun 3, 9:38 pm EDTRichard Scott HerrenDirector3,709——7,461—
Jun 1, 2026 ACForm 4 →Jun 3, 9:40 pm EDTJohn Wendell ThompsonDirector14,709——8,362—10b5-1
Jun 1, 2026 SForm 4 →Jun 3, 9:40 pm EDTJohn Wendell ThompsonDirector13,500$84.54$1,141,2894,653−74.4%10b5-1
Jun 1, 2026 SForm 4 →Jun 3, 9:39 pm EDTArvind NithrakashyapChief Technology Officer, Director225,087$83.85$18,873,677314,048−41.7%10b5-1
Jun 1, 2026 CForm 4 →Jun 3, 9:39 pm EDTArvind NithrakashyapChief Technology Officer, Director97,633——326,868—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 24, 2026 CJForm 4 →Sep 25, 8:41 pm EDTBipul SinhaChairman of the Board and CEO, Director, 10% Owner1,055,000——500,000—
Sep 15, 2026 CMForm 4 →Sep 17, 9:14 pm EDTKiran Kumar ChoudaryChief Financial Officer12,000——0—10b5-1
Sep 8, 2026 CForm 4 →Sep 10, 8:46 pm EDTArvind NithrakashyapChief Technology Officer, Director38,460——10,028,250—10b5-1
Sep 3, 2026 CForm 4 →Sep 3, 9:05 pm EDTYvonne WassenaarDirector513——32,603—10b5-1
Sep 1, 2026 CMForm 4 →Sep 3, 8:22 pm EDTJohn Wendell ThompsonDirector33,000——50,001—10b5-1
Aug 24, 2026 CMForm 4 →Aug 25, 4:15 pm EDTKiran Kumar ChoudaryChief Financial Officer12,000——0—10b5-1
Aug 3, 2026 CForm 4 →Aug 5, 7:01 pm EDTArvind NithrakashyapChief Technology Officer, Director28,142——10,066,710—10b5-1
Aug 3, 2026 CMForm 4 →Aug 4, 7:00 pm EDTJohn Wendell ThompsonDirector33,000——50,001—10b5-1
Jul 15, 2026 CMForm 4 →Jul 16, 5:13 pm EDTKiran Kumar ChoudaryChief Financial Officer36,000——0—10b5-1
Jul 10, 2026 CForm 4 →Jul 14, 4:15 pm EDTRavi MhatreDirector2,381,353——518,008—
Jul 6, 2026 CForm 4 →Jul 8, 7:01 pm EDTArvind NithrakashyapChief Technology Officer, Director38,460——10,094,852—10b5-1
Jul 1, 2026 CMForm 4 →Jul 1, 7:37 pm EDTJohn Wendell ThompsonDirector33,000——50,001—10b5-1
Jun 24, 2026 CForm 4 →Jun 26, 6:46 pm EDTRavi MhatreDirector2,381,353——777,013—
Jun 3, 2026 CForm 4 →Jun 3, 9:41 pm EDTYvonne WassenaarDirector721——33,116—10b5-1
Jun 1, 2026 CMForm 4 →Jun 3, 9:40 pm EDTJohn Wendell ThompsonDirector33,000——50,001—10b5-1
Jun 1, 2026 CForm 4 →Jun 3, 9:39 pm EDTArvind NithrakashyapChief Technology Officer, Director97,633——10,133,312—10b5-1