AI filing briefs

Grayscale Sui Staking ETF (GSUI)

GSUI 8-K filings, explained

Every material Form 8-K Grayscale Sui Staking ETF has filed with the SEC since July 17, 2026, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.

Briefs on record3since Jul 17, 2026
Latest filingOct 05, 2026product/contract
High impact (4-5)0of 3 briefs
ToneNeutral3
product/contract 2shareholder 1

2026

Oct 5, 4:48 PM ET

Grayscale Sui Staking ETF adds Anchorage Digital as custodian for part of its SUI

Neutral product/contract Written later 1.01

The Sponsor, on behalf of the Grayscale Sui Staking ETF, entered into a Sixth Amendment on September 29, 2026 to the Master Custody Service Agreement with Anchorage Digital Bank N.A., making the Trust a party to the agreement. Coinbase Custody Trust Company remains the Trust's primary custodian, and the Sponsor has not yet decided how much SUI will move to Anchorage Digital.

  • Sixth Amendment dated September 29, 2026 to the Master Custody Service Agreement originally dated August 8, 2025
  • Coinbase Custody Trust Company, LLC remains the primary custodian; the Sponsor has not determined the amount of SUI to move to Anchorage Digital
  • Anchorage Digital must maintain insurance including commercial crime coverage or a fidelity bond with limits of not less than $100 million in the aggregate; the filing says shareholders cannot be assured coverage will be adequate
Read the filing on SEC.gov ↗
Aug 7, 8:34 AM ET

Grayscale Sui Staking ETF amends trust agreement to start staking distributions

Neutral product/contract Written later 1.01

Grayscale Investments Sponsors, LLC, sponsor of the Grayscale Sui Staking ETF, entered into Amendment No. 2 to the trust agreement on August 6, 2026, with trustee CSC Delaware Trust Company. The amendment requires the trust to convert staking consideration to cash at least quarterly and promptly distribute the net proceeds to shareholders. Shareholders may receive regular cash distributions, but the amounts depend on staking consideration actually received and cannot be predicted with certainty.

  • Amendment No. 2 is dated August 6, 2026, and is between the Sponsor and CSC Delaware Trust Company, the trustee.
  • The trust must convert staking consideration to cash no less often than quarterly and promptly distribute net proceeds to shareholders.
  • The trust currently intends monthly distributions, after the Staking Fee and other trust expenses; the sponsor may receive part of the staking consideration as payment for facilitating staking.
  • The trust intends to file a Rule 424(b)(3) prospectus supplement to update disclosure on the amendment.
Read the filing on SEC.gov ↗
Jul 17, 4:08 PM ET

Grayscale Sui Staking ETF plans amendment to distribute staking rewards to shareholders

Neutral shareholder Written later 8.01

Grayscale Investments Sponsors, LLC, sponsor of the Grayscale Sui Staking ETF, intends to sign Amendment No. 2 to the trust agreement on or around August 7, 2026. The amendment would require the trust to convert staking consideration to cash at least quarterly and distribute the net proceeds to shareholders, so shareholders could receive regular cash distributions for the first time under this framework. The filing says distribution amounts will depend on staking consideration actually received and cannot be predicted with certainty.

  • Proposed Amendment No. 2 to the trust agreement is expected on or around August 7, 2026, with trustee CSC Delaware Trust Company.
  • Trust would sell staking consideration to cash no less often than quarterly and distribute net proceeds, after trust expenses not assumed by the sponsor.
  • The sponsor gave shareholders 20 days' prior notice and states the amendment is not materially adverse to shareholders.
Read the filing on SEC.gov ↗

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.

Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every Grayscale Sui Staking ETF filing is on SEC EDGAR ↗. 8-K briefs of other companies →