S19 series Antminers acquisition program commenced
Company: Riot
The claim, verbatim
Beginning in April 2020, Company began acquisitions of latest generation Bitmain model S19 series Antminers and began retiring older S9 miners
Source (primary)
Riot 10-K filed 2021-03-31 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “Beginning in April 2020, the Company began a series of acquisitions of the latest generation Bitmain model S19 series of Antminers and began retiring its older model S9 miners.”
How we checked this
Checked on September 23, 2026. The cited source supports every part of this claim.
The filing says both that the S19 acquisitions began in April 2020 and that the S9 miners began to be retired.
Confirmed in the source:
- Beginning in April 2020, Riot began acquiring latest-generation Bitmain S19 series Antminers
- Riot began retiring its older model S9 miners at that time
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1167419/000107997321000221/riot10k1220.htm) in full (422,011 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Riot 10-K filed 2021-03-31
Quote: “Beginning in April 2020, the Company began a series of acquisitions of the latest generation Bitmain model S19 series of Antminers and began retiring its older model S9 miners.”