Grayscale Dogecoin ETF index inputs updated by CoinDesk

Grayscale Dogecoin Trust ETF reported a change in how its benchmark index price is calculated.

Rhea-AI Filing Summary

Grayscale Dogecoin Trust ETF reported a change in how its benchmark index price is calculated. On January 20, 2026, CoinDesk Indices, Inc., the index provider for the trust, updated the list of digital asset trading platforms used to calculate the CoinDesk Dogecoin Benchmark Rate, which underlies the trust’s index price.

Binance, Gate and HashKey were added as constituent trading platforms, while Bitfinex was removed as part of the index provider’s scheduled monthly review, based on its inclusion criteria. After these changes, the DOGE-USD trading pairs used in the index are from Bitstamp by Robinhood, Crypto.com, Gemini, Kraken, LMAX Digital, OKX and HashKey, and the DOGE-USDC trading pairs are from Binance, Bullish, Bybit, Gate, Kraken and OKX. The index provider states it may change venues or its calculation methodology at any time, including during future scheduled monthly reviews.

8-K Event Classification

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

FAQ

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

What did Grayscale Dogecoin Trust ETF (GDOG) disclose in this 8-K?

The trust disclosed that on January 20, 2026, its index provider, CoinDesk Indices, Inc., changed the digital asset trading platforms used to calculate the CoinDesk Dogecoin Benchmark Rate, which determines the index price for the trust.

Which new trading platforms were added to the GDOG index calculation?

The index provider added Binance (DOGE-USDC pair), Gate (DOGE-USDC pair) and HashKey (DOGE-USD pair) to the CoinDesk Dogecoin Benchmark Rate used for Grayscale Dogecoin Trust ETF.

Which trading platform was removed from the GDOG index inputs?

Bitfinex (DOGE-USD trading pair) was removed from the index’s constituent trading platforms after it failed to meet the index provider’s conditions for inclusion during a scheduled monthly review.

Which DOGE-USD trading platforms are currently used for the GDOG index price?

For DOGE-USD trading pairs, the index price now uses data from Bitstamp by Robinhood, Crypto.com, Gemini, Kraken, LMAX Digital, OKX and HashKey.

Which DOGE-USDC trading platforms are currently used for the GDOG index price?

For DOGE-USDC trading pairs, the index price uses data from Binance, Bullish, Bybit, Gate, Kraken and OKX.

Can the GDOG index provider change trading venues again in the future?

Yes. The disclosure states that the index provider may change the trading venues used to calculate the index price, or change how the index price is calculated, at any time, including through scheduled monthly reviews.

Who signed the 8-K for Grayscale Dogecoin Trust ETF?

The report was signed on behalf of the trust by Edward McGee, Chief Financial Officer and principal financial and accounting officer of Grayscale Investments Sponsors, LLC, the sponsor of the trust.

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Accepted by SEC EDGAR 01/26/2026 - 04:21 PM Learn about SEC filing dates

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 20, 2026

Grayscale Dogecoin Trust ETF

(Exact name of Registrant as Specified in Its Charter)

Delaware			001-42969	99-6690727
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
c/o Grayscale Investments Sponsors, LLC 290 Harbor Drive, 4th Floor
Stamford, Connecticut				06902
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: 212 668-1427

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Grayscale Dogecoin Trust ETF Shares		GDOG		NYSE Arca, Inc.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

On January 20, 2026, CoinDesk Indices, Inc. (the “Index Provider”) announced a change to the Digital Asset Trading Platforms used to calculate the Index Price (the “Constituent Trading Platforms”) for Grayscale Dogecoin Trust ETF (the “Trust”).

Effective January 20, 2026, the Index Provider added Binance (DOGE-U.S. Dollar Coin (“USDC”) trading pair), Gate (DOGE-USDC trading pair) and HashKey (DOGE-U.S. Dollar (“USD”) trading pair) to the CoinDesk Dogecoin Benchmark Rate (formerly known as the CoinDesk DOGE CCIXber Reference Rate) (the “Index”) due to the trading platforms meeting the Index Provider’s conditions for inclusion, and removed Bitfinex (DOGE-USD trading pair) due to the trading platform failing to meet the Index Provider’s conditions for inclusion as part of its scheduled monthly review. As of the date of this current report, the Constituent Trading Platforms included in the Index Price are as follows:

•DOGE-USD Trading Pairs: Bitstamp by Robinhood, Crypto.com, Gemini, Kraken, LMAX Digital, OKX and HashKey.

•DOGE-USDC Trading Pairs: Binance, Bullish, Bybit, Gate, Kraken, and OKX.

The Index Provider may change the trading venues that are used to calculate an Index Price, or otherwise change the way in which an Index Price is calculated, at any time. For example, the Index Provider has scheduled monthly reviews, in which it may add or remove Constituent Trading Platforms that satisfy or fail the criteria described in “Business—Overview of the Dogecoin Industry and Market—The Index and the Index Price” in the Trust’s Registration Statement on Form S-1, as filed with the Securities and Exchange Commission on November 3, 2025.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

			Grayscale Investments Sponsors, LLC, as Sponsor of Grayscale Dogecoin Trust ETF
Date:	January 26, 2026	By:	/s/ Edward McGee
			Name: Edward McGee Title: Chief Financial Officer (Principal Financial and Accounting Officer)*

*The Registrant is a trust and the identified person signing this report is signing in their capacity as an authorized officer of Grayscale Investments Sponsors, LLC, the Sponsor of the Registrant.