InsiderTrades

Form 4 for RBRK Rubrik, Inc.

Accepted 2026-06-03 21:41:27 ET · period of report 2026-06-03 · accession 0001707744-26-000010 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-06-03 21:41 2026-06-03 RBRK Wassenaar Yvonne Dir C - Cnv Deriv $0.00 +721 3,047 +31% $0
DT 2026-06-03 21:41 2026-06-03 RBRK Wassenaar Yvonne Dir S - Sale $80.73 -721 2,326 -24% -$58.2K
DT 2026-06-03 21:41 2026-06-03 RBRK Wassenaar Yvonne Dir A - Grant $0.00 +3,709 6,035 +159% $0
DT 2026-06-03 21:41 2026-06-03 RBRK Wassenaar Yvonne Dir C - Cnv Deriv $0.00 -721 33.1K -2% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-06-03 C A 721 $0.00 3,047 D — —
2 Common Class A Common Stock 2026-06-03 S D 721 $80.73 2,326 D — — (F1) This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted December 15, 2025.
3 Common Class A Common Stock 2026-06-03 A A 3,709 $0.00 6,035 D — — (F2) Represents the grant of restricted stock units ("RSUs") that will vest over a one-year period, in four (4) successive equal quarterly installments on each of September 15, 2026, December 15, 2026, March 15, 2027 and June 15, 2027, subject to the reporting person's continuous service with the Issuer on each such vest date.
4 Derivative Class B Common Stock 2026-06-03 C D 721 $0.00 33,116 D — · — to — 721 Class A Common Stock (F3) Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. (F3) Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. (F3) Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date.