Grayscale Horizen Trust: Silbert plans $6.47K sale

The notice also reports 11,425,100 shares outstanding and a prior Roth IRA sale of 11,607 shares.

Available on EDGAR 11/04/2026 - 05:03 PM EST Accepted by SEC EDGAR 11/04/2026 - 05:03 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Grayscale Horizen Trust (HZEN) identifies Barry Silbert as a director and 10% stockholder and reports his proposed sale of 10,963 common shares through Capital Institutional Services, Inc., with an approximate sale date of November 4, 2026, on OTCQX. The notice lists an aggregate market value of $6,468.00 and 11,425,100 shares outstanding. It also lists a prior sale through Silbert’s Roth IRA account of 11,607 shares on August 6, 2026, with an aggregate market value of $4,044.00.

Key Figures

Proposed sale: 10,963 common shares Aggregate market value of proposed sale: $6,468.00 Shares outstanding: 11,425,100 shares +2 more

5 metrics

Proposed sale 10,963 common shares Approximate sale date November 4, 2026

Aggregate market value of proposed sale $6,468.00 For the proposed sale

Shares outstanding 11,425,100 shares As reported in the notice

Prior sale 11,607 shares Through Barry Silbert’s Roth IRA account on August 6, 2026

Aggregate market value of prior sale $4,044.00 Sale through Barry Silbert’s Roth IRA account on August 6, 2026

Key Terms

Rule 144, privately negotiated, Roth IRA account

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

"Nature of acquisition: privately negotiated"

Roth IRA account financial

"Trade occurred through his Roth IRA account"

FAQ

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

How many HZEN shares does Barry Silbert plan to sell?

The notice lists 10,963 common shares for a proposed sale through Capital Institutional Services, Inc., with an approximate sale date of November 4, 2026. It lists an aggregate market value of $6,468.00 and identifies OTCQX.

What prior HZEN sale by Barry Silbert is reported?

The notice lists a sale through Barry Silbert’s Roth IRA account of 11,607 shares on August 6, 2026, with an aggregate market value of $4,044.00.

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

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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	0001976415
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 Barry E.
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	Director
Relationship to Issuer	10% Stockholder

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	Capital Institutional Services, Inc., 1700 Pacific Avenue, Suite 1100 dallas TX 75201	10963	6468.00	11425100	11/04/2026	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	02/27/2019	privately negotiated	issuer			189013	02/27/2019	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Barry Silbert via Roth IRA account: PACIFIC PREMIER TRUST FBO BARRY SILBERT ROTH IRA 222 Purchase St 283 rye NY 10580	Grayscale Horizen Trust	08/06/2026	11607	4044.00

144: Remarks and Signature

Remarks	Trade occurred through his Roth IRA account: PACIFIC PREMIER TRUST FBO BARRY SILBERT ROTH IRA
Date of Notice	11/04/2026
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	barry silbert
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)