Form4insider filings, from the source

Insider · CIK 0002019143

Arvind Nithrakashyap

Files at: RBRK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $28.7M · 4net −$28.7M
$10k$10k$1M$1M$100M$100MbuyssalesMay 31Jun 16Jul 3Jul 20Aug 6Aug 23Sep 9

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 FForm 4 →Sep 17, 9:15 pm EDTRubrik, Inc.RBRK10,436$100.20$1,045,687282,857—
Sep 8, 2026 SForm 4 →Sep 10, 8:46 pm EDTRubrik, Inc.RBRK38,460$90.73$3,489,619293,293−11.6%10b5-1
Sep 8, 2026 CForm 4 →Sep 10, 8:46 pm EDTRubrik, Inc.RBRK38,460——306,113—10b5-1
Aug 3, 2026 SForm 4 →Aug 5, 7:01 pm EDTRubrik, Inc.RBRK38,460$79.19$3,045,575293,293−11.6%10b5-1
Aug 3, 2026 CForm 4 →Aug 5, 7:01 pm EDTRubrik, Inc.RBRK28,142——306,113—10b5-1
Jul 6, 2026 SForm 4 →Jul 8, 7:01 pm EDTRubrik, Inc.RBRK38,460$86.65$3,332,421303,611−11.2%10b5-1
Jul 6, 2026 CForm 4 →Jul 8, 7:01 pm EDTRubrik, Inc.RBRK38,460——316,431—10b5-1
Jun 16, 2026 FForm 4 →Jun 17, 5:26 pm EDTRubrik, Inc.RBRK10,437$69.79$728,398303,611—
Jun 1, 2026 SForm 4 →Jun 3, 9:39 pm EDTRubrik, Inc.RBRK225,087$83.85$18,873,677314,048−41.7%10b5-1
Jun 1, 2026 CForm 4 →Jun 3, 9:39 pm EDTRubrik, Inc.RBRK97,633——326,868—10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 8, 2026 CForm 4 →Sep 10, 8:46 pm EDTRubrik, Inc.RBRK38,460——10,028,250—10b5-1
Aug 3, 2026 CForm 4 →Aug 5, 7:01 pm EDTRubrik, Inc.RBRK28,142——10,066,710—10b5-1
Jul 6, 2026 CForm 4 →Jul 8, 7:01 pm EDTRubrik, Inc.RBRK38,460——10,094,852—10b5-1
Jun 1, 2026 CForm 4 →Jun 3, 9:39 pm EDTRubrik, Inc.RBRK97,633——10,133,312—10b5-1