secwatch.observer — SEC 8-K summary
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Issuer:     Grayscale Bittensor Trust (TAO) (GTAO)
CIK:        0002029297
Form:       8-K
Filed at:   2026-10-05T20:28:36+00:00
Accession:  0001193125-26-414207
Event type: other_material
Sentiment:  neutral
Materiality: 0.62
Item codes: 1.01, 1.02, 9.01
LLM model:  deepseek-v4.1-flash:cloud@v2

Grayscale Bittensor Trust adds Coinbase as additional custodian, terminates prior BitGo agreement
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- On September 30, 2026, Grayscale Bittensor Trust (TAO) became party to an amended BitGo Custodial Services Agreement; its prior March 12, 2025 BitGo agreement was terminated.
- On September 29, 2026, Sponsor and Coinbase, Inc. amended the Coinbase Prime Broker Agreement to add the Trust; Coinbase will custody a portion of the Trust's TAO.
- BitGo remains the Trust's primary custodian; the Sponsor has not determined how much TAO it will move to Coinbase, and Coinbase custody is part of risk management as the Trust grows.
- Exhibits 10.1-10.4 include the amended BitGo and Coinbase agreements; Kathryn Masci, Interim CFO of Grayscale Investments Sponsors, LLC, signed on October 5, 2026.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/2029297/000119312526414207/0001193125-26-414207-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/2029297/000119312526414207/gtao-20260930.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-414207

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