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C 10b5-1 Plan

$ Value

$0

Shares

9,009

Price

$0

Filed

Sep 4

Insider

Name

THOMPSON JOHN WENDELL

Title

CIK

0001207433

Roles

Director

Transaction Details

Transaction Date

2025-09-02

Code

C

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

10,007

Footnotes

The shares are held of record by John and Sandra Thompson Trust, for which the Reporting Person serves as a co-trustee and shares voting and dispositive power with his spouse. | This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted October 15, 2024. | The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.12 to $86.95 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote. | The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.14 to $88.13 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote. | The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.14 to $88.76 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote. | 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.

Filing Info

Accession No.

0001415889-25-023717

Form Type

4

Issuer CIK

0001943896

THOMPSON JOHN WENDELL's History

Date Ticker Type Value
2026-04-01 RBRK $117K
2026-04-01 RBRK $5K
2026-04-01 RBRK C $0
2026-04-01 RBRK $260K
2026-04-01 RBRK $278K
2026-04-01 RBRK M $0
2026-04-01 RBRK M
2026-04-01 RBRK C
2026-03-02 RBRK $10K
2026-03-02 RBRK $53K

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