Grayscale Horizen Trust holder proposes $1.54K sale

Canaccord is named as broker, with the proposed sale dated approximately October 23, 2026.

Rhea-AI Filing Summary

Grayscale Horizen Trust (ZEN) is the issuer named in Silbert Family Investments LLC’s notice of a proposed sale of 2,320 common shares, with an aggregate market value of $1,536.00. Canaccord is named as broker, October 23, 2026 is the approximate sale date, and OTCQX is listed as the market.

Key Figures

Common shares proposed for sale: 2,320 shares Aggregate market value: $1,536.00 Shares outstanding: 11,425,100 shares

3 metrics

Common shares proposed for sale 2,320 shares Proposed sale by Silbert Family Investments LLC

Aggregate market value $1,536.00 Proposed shares

Shares outstanding 11,425,100 shares Number listed in the securities information

Key Terms

Rule 144, privately negotiated, OTCQX

3 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

privately negotiated financial

"privately negotiated"

OTCQX financial

"OTCQX"

OTCQX is the highest tier of the over‑the‑counter (OTC) marketplaces where shares of companies that aren’t listed on major stock exchanges trade. Think of it as a “premium shelf” for OTC stocks: companies must meet stricter financial and disclosure standards, which can mean clearer information, potentially better investor confidence and somewhat easier trading than lower OTC tiers. Investors watch OTCQX listings as a signal of relative transparency and credibility among OTC-traded firms.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many HZEN shares does Silbert Family Investments LLC plan to sell?

Silbert Family Investments LLC’s notice lists a proposed sale of 2,320 common shares, with an approximate sale date of October 23, 2026.

What is the reported value of the proposed HZEN share sale?

The proposed shares have an aggregate market value of $1,536.00.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/23/2026 - 07:09 PM EDT Accepted by SEC EDGAR 10/23/2026 - 07:08 PM EDT Learn about SEC filing dates

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	0001979086
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Grayscale Horizen Trust (ZEN)
SEC File Number	000-56435
Address of Issuer	290 HARBOR DRIVE 4TH FLOOR STAMFORD CONNECTICUT 06902
Phone	212-668-1427
Name of Person for Whose Account the Securities are To Be Sold	Silbert Family Investments LLC
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	Member of immediate family of any of the foregoing

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	Canaccord 535 Madison Avenue New York NY 10022	2320	1536.00	11425100	10/23/2026	OTCQX

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	08/22/2018	privately negotiated	issuer			37551	08/22/2018	USD

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	10/23/2026
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	Alan Silbert
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)