RBRK.NYSERubrik, INC

Form 4: Rubrik CTO Sells Shares

Sentiment:

Insider Transaction (Form 4)

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Arvind Nithrakashyap, Chief Technology Officer and a Director of Rubrik, Inc., sold 38,460 shares of common stock on October 5, 2026.

Summary

  • Conversion of derivative: acquired 2,501 Class A Common Stock on October 5, 2026; holds 285,358 after (Direct).
  • Open-market sale: disposed of 495 Class A Common Stock at $118.92 ($58,865) on October 5, 2026; holds 284,863 after (Direct).
  • Open-market sale: disposed of 110 Class A Common Stock at $120.26 ($13,229) on October 5, 2026; holds 284,753 after (Direct).
  • Open-market sale: disposed of 901 Class A Common Stock at $121.20 ($109,201) on October 5, 2026; holds 283,852 after (Direct).
  • Open-market sale: disposed of 2,801 Class A Common Stock at $121.95 ($341,582) on October 5, 2026; holds 281,051 after (Direct).
  • Open-market sale: disposed of 5,600 Class A Common Stock at $122.99 ($688,744) on October 5, 2026; holds 275,451 after (Direct).
  • Open-market sale: disposed of 2,913 Class A Common Stock at $123.80 ($360,629) on October 5, 2026; holds 272,538 after (Direct).
  • Conversion of derivative: acquired 12,820 Class A Common Stock on October 6, 2026; holds 285,358 after (Direct).
  • Open-market sale: disposed of 582 Class A Common Stock at $125.35 ($72,954) on October 6, 2026; holds 284,776 after (Direct).
  • Open-market sale: disposed of 11,101 Class A Common Stock at $126.14 ($1,400,280) on October 6, 2026; holds 273,675 after (Direct).
  • Open-market sale: disposed of 1,069 Class A Common Stock at $126.87 ($135,624) on October 6, 2026; holds 272,606 after (Direct).
  • Open-market sale: disposed of 68 Class A Common Stock at $127.70 ($8,684) on October 6, 2026; holds 272,538 after (Direct).
  • Conversion of derivative: acquired 12,820 Class A Common Stock on October 7, 2026; holds 285,358 after (Direct).
  • Open-market sale: disposed of 1,478 Class A Common Stock at $123.32 ($182,267) on October 7, 2026; holds 283,880 after (Direct).
  • Open-market sale: disposed of 8,274 Class A Common Stock at $124.05 ($1,026,390) on October 7, 2026; holds 275,606 after (Direct).
  • Open-market sale: disposed of 3,055 Class A Common Stock at $124.79 ($381,233) on October 7, 2026; holds 272,551 after (Direct).
  • Open-market sale: disposed of 13 Class A Common Stock at $125.57 ($1,632) on October 7, 2026; holds 272,538 after (Direct).
  • Conversion of derivative: disposed of 2,501 Class B Common Stock on October 5, 2026; holds 10,025,749 after (Direct).
  • Conversion of derivative: disposed of 12,820 Class B Common Stock on October 6, 2026; holds 10,012,929 after (Direct).
  • Conversion of derivative: disposed of 12,820 Class B Common Stock on October 7, 2026; holds 10,000,109 after (Direct).

Sentiment

Score: 4

Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $4,781,315 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.

Insider Transactions

Arvind Nithrakashyap — Director, Officer (Chief Technology Officer)

Transaction made under a Rule 10b5-1 trading plan.

DateTransactionSecuritySharesPriceValueHeld After
2026-10-05Conversion of derivativeClass A Common Stock2,501——285,358
2026-10-05Open-market saleClass A Common Stock495$119$58.9K284,863
2026-10-05Open-market saleClass A Common Stock110$120$13.2K284,753
2026-10-05Open-market saleClass A Common Stock901$121$109.2K283,852
2026-10-05Open-market saleClass A Common Stock2,801$122$341.6K281,051
2026-10-05Open-market saleClass A Common Stock5,600$123$688.7K275,451
2026-10-05Open-market saleClass A Common Stock2,913$124$360.6K272,538
2026-10-06Conversion of derivativeClass A Common Stock12,820——285,358
2026-10-06Open-market saleClass A Common Stock582$125$73.0K284,776
2026-10-06Open-market saleClass A Common Stock11,101$126$1.4M273,675
2026-10-06Open-market saleClass A Common Stock1,069$127$135.6K272,606
2026-10-06Open-market saleClass A Common Stock68$128$8.7K272,538
2026-10-07Conversion of derivativeClass A Common Stock12,820——285,358
2026-10-07Open-market saleClass A Common Stock1,478$123$182.3K283,880
2026-10-07Open-market saleClass A Common Stock8,274$124$1.0M275,606
2026-10-07Open-market saleClass A Common Stock3,055$125$381.2K272,551
2026-10-07Open-market saleClass A Common Stock13$126$1.6K272,538
2026-10-05Conversion of derivativeClass B Common Stock2,501——10,025,749
2026-10-06Conversion of derivativeClass B Common Stock12,820——10,012,929
2026-10-07Conversion of derivativeClass B Common Stock12,820——10,000,109

Key Dates

DateDescription
2026-10-05Conversion of derivative (2,501 shares)
2026-10-05Open-market sale (495 shares)
2026-10-05Open-market sale (110 shares)
2026-10-05Open-market sale (901 shares)
2026-10-05Open-market sale (2,801 shares)
2026-10-05Open-market sale (5,600 shares)
2026-10-05Open-market sale (2,913 shares)
2026-10-06Conversion of derivative (12,820 shares)
2026-10-06Open-market sale (582 shares)
2026-10-06Open-market sale (11,101 shares)
2026-10-06Open-market sale (1,069 shares)
2026-10-06Open-market sale (68 shares)
2026-10-07Conversion of derivative (12,820 shares)
2026-10-07Open-market sale (1,478 shares)
2026-10-07Open-market sale (8,274 shares)
2026-10-07Open-market sale (3,055 shares)
2026-10-07Open-market sale (13 shares)
2026-10-05Conversion of derivative (2,501 shares)
2026-10-06Conversion of derivative (12,820 shares)
2026-10-07Conversion of derivative (12,820 shares)

Keywords

insider transaction, Form 4, RBRK, Rubrik, Inc., bearish, Arvind Nithrakashyap

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