Thompson sales via 10b5-1 reported for RBRK (RBRK) on multiple dates

Rhea-AI Filing Summary

Regulation 144 notice reporting multiple planned and completed sales of Common Stock by holders associated with John W. Thompson and the John and Sandra Thompson Trust. The excerpt lists recurring 10b5-1 sales across 02/02/2026 to 04/01/2026, showing multiple transactions of 2,500 and 11,000 shares with per-trade proceeds recorded (e.g., $608,227.40, $537,956.10). The filing also lists 7,500 shares tied to Morgan Stanley Smith Barney LLC on the cover.

Insights

Securities Compliance Analyst

Regulation 144/10b5-1 sales documented across several dates; routine compliance filing.

The excerpt documents scheduled 10b5-1 sales for John W. Thompson and the John and Sandra Thompson Trust with transactions of 2,500 and 11,000 shares on 02/02/2026, 03/02/2026, and 04/01/2026, each with proceeds recorded in dollars.

These entries read as systematic dispositions under pre-arranged plans rather than ad hoc open-market trades; cash-flow treatment is recipient-level proceeds shown per trade. Timing and method are explicit in the listed 10b5-1 entries; further disclosure (e.g., plan adoption dates or broker confirmations) is not present in the excerpt.

Equity Markets Advisor

Multiple consistent sale sizes suggest regular plan-based liquidity rather than a single large disposition.

The recurring pattern of 2,500 and 11,000 share transactions across three months implies a structured schedule. Each trade shows gross proceeds (for example, $133,882.75 and $589,759.50), which are recorded alongside the trade dates.

Investor-facing implications are procedural: these are sale notices under Regulation 144 and 10b5-1 reporting; the excerpt does not provide remaining holdings, plan start dates, or whether trades were executed under any specific broker instructions beyond the named broker on the cover.

Key Figures

Trade sizes (per instance): 2,500 shares; 11,000 shares Example proceeds: $608,227.40 Example proceeds: $138,260.00 +1 more

4 metrics

Trade sizes (per instance) 2,500 shares; 11,000 shares Recurring 10b5-1 sales on listed dates

Example proceeds $608,227.40 Proceeds for 11,000 shares on 02/02/2026

Example proceeds $138,260.00 Proceeds for 2,500 shares on 02/02/2026

Cover-listed shares 7,500 shares Listed with Morgan Stanley Smith Barney LLC on the cover

Key Terms

10b5-1, Regulation 144, Proceeds recorded

3 terms

10b5-1 regulatory

"10b5-1 Sales for JOHN AND SANDRA THOMPSON TRUST 3495 DEER"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Regulation 144 regulatory

"144: Securities To Be Sold"

Proceeds recorded financial

"11000 | 537956.10 10b5-1 Sales"

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	7500	398850.00	157404648	05/01/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/26/2014	Private Acquisition from Issuer	Issuer			7500	02/26/2014	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for JOHN AND SANDRA THOMPSON TRUST 3495 DEER CREEK ROAD Palo Alto CA 94304	Common	04/01/2026	2500	122395.00
10b5-1 Sales for JOHN W THOMPSON 3495 DEER CREEK ROAD Palo Alto CA 94304	Common	04/01/2026	11000	537956.10
10b5-1 Sales for JOHN AND SANDRA THOMPSON TRUST 3495 DEER CREEK ROAD Palo Alto CA 94304	Common	03/02/2026	2500	133882.75
10b5-1 Sales for JOHN W THOMPSON 3495 DEER CREEK ROAD Palo Alto CA 94304	Common	03/02/2026	11000	589759.50
10b5-1 Sales for JOHN AND SANDRA THOMPSON TRUST 3495 DEER CREEK ROAD Palo Alto CA 94304	Common	02/02/2026	2500	138260.00
10b5-1 Sales for JOHN W THOMPSON 3495 DEER CREEK ROAD Palo Alto CA 94304	Common	02/02/2026	11000	608227.40

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the RBRK Form 144 excerpt show about John W. Thompson's activity?

It shows reported 10b5-1 sales by John W. Thompson across three dates. The excerpt lists sales of 11,000 shares on each date with proceeds shown, for example $608,227.40 on 02/02/2026.

Were any trust sales reported in the RBRK Form 144 excerpt?

Yes. The John and Sandra Thompson Trust shows recurring 10b5-1 sales of 2,500 shares on the same dates. Proceeds for those trades are recorded, for example $138,260.00 on 02/02/2026.

Does the excerpt indicate the trading method used for these sales?

The excerpt identifies these as 10b5-1 sales, indicating pre-arranged trading plans. Specific execution methods beyond that label are not detailed in the provided text.

What broker or intermediary is named on the Form 144 excerpt?

The cover lists Morgan Stanley Smith Barney LLC at 1 New York Plaza, 8th Floor. The excerpt pairs that broker name with 7,500 shares on the securities table.

Are proceeds recorded for each trade in the excerpt?

Yes. Each listed trade includes a dollar figure of proceeds, such as $589,759.50 for 11,000 shares on 03/02/2026 and $133,882.75 for 2,500 shares on the same date.