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$ Value

$0

Shares

100,000

Price

$0

Filed

Dec 23

Insider

Name

Nithrakashyap Arvind

Title

Chief Technology Officer

CIK

0002019143

Roles

Director Officer

Transaction Details

Transaction Date

2025-12-23

Code

G

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

342,703

Footnotes

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 is also convertible at any time at the option of the Reporting Person into one share of Class A Common Stock. | The shares are held of record by Arvind Nithrakashyap, as Trustee of the Nithrakashyap/Chatterjee Revocable Trust, for which the Reporting Person serves as trustee and shares voting and dispositive power with his spouse.

Filing Info

Accession No.

0002019143-25-000010

Form Type

4

Issuer CIK

0001943896

Nithrakashyap Arvind's History

Date Ticker Type Value
2026-04-14 RBRK A $0
2026-03-24 RBRK C $0
2026-03-24 RBRK $1.4M
2026-03-24 RBRK M $0
2026-03-24 RBRK M $0
2026-03-24 RBRK C $0
2026-01-15 RBRK $327K
2026-01-14 RBRK $73K
2025-12-23 RBRK C $0
2025-12-23 RBRK G $0

Other Insiders at RBRK (90d)

Insider Bought Sold Last
MCLAUGHLIN MARK D $502K 2026-03-30
THOMPSON JOHN WENDELL $2.1M 2026-04-01
Nithrakashyap Arvind
Chief Technology Officer
$1.4M 2026-04-14
McCarthy Brian K.
Pres.,Global Sales & Field Ops
2026-01-31
Choudary Kiran Kumar
Chief Financial Officer
$8.0M 2026-04-14