Company: ZCSH
Filing Date: 2025-11-26
Form Type: S-3
Source: 0001193125-25-298561
Chunk: 0

Company: Grayscale Zcash Trust (ZEC)
Filing Date: 2025-11-26
Form: S-3
Chunk 0
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As filed with the Securities and Exchange Commission on November 26, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Grayscale Zcash Trust (ZEC) (Exact Name of Registrant as Specified in Its Charter)

| Delaware                        |     | c/o Grayscale Investments Sponsors, LLC |     | 82-6646113             |
| (State or Other Jurisdiction of |     | 290 Harbor Drive, 4th Floor             |     | (I.R.S. Employer       |
| Incorporation or Organization)  |     | Stamford, Connecticut 06902             |     | Identification Number) |
|                                 |     | (212) 668-1427                          |     |                        |

(Address, Including Zip Code, and Telephone Number, Including Area Code, of Registrant’s Principal Executive Offices) Edward McGee Chief Financial Officer Grayscale Investments Sponsors, LLC 290 Harbor Drive, 4th Floor Stamford, Connecticut 06902 (212) 668-1427 (Name, Address, Including Zip Code, and Telephone Number, Including Area Code, of Agent For Service) Copy to: Joseph A. Hall Dan Gibbons Davis Polk & Wardwell LLP 450 Lexington Avenue New York, NY 10017 (212) 450-4000 Approximate date of commencement of proposed sale to the public : From time to time after this Registration Statement becomes effective. If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ☐ If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ☒ If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ If this Form is a registration statement pursuant to General Instruction