Material weakness in disclosure controls as of December 31, 2020
Company: Cipher Mining
The claim, verbatim
Disclosure controls and procedures were not effective as of December 31, 2020 due to warrant accounting reclassification
Source (primary)
Cipher Mining 10-K/A filed 2021-05-07 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “solely due to the Company's restatement of its financial statements to reclassify the Company's warrants as described in the Explanatory Note to this Amendment, a material weakness existing and our disclosure controls and procedures were not effective as of December 31, 2020”
How we checked this
Checked on September 23, 2026. The cited source supports every part of this claim.
Item 9A states that disclosure controls were not effective as of December 31, 2020, solely because of the warrant reclassification restatement.
Confirmed in the source:
- The company's disclosure controls and procedures were not effective as of December 31, 2020
- This conclusion was due to the restatement reclassifying the company's warrants
- A material weakness existed
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000121390021025203/f10k2020a1_goodworks.htm) in full (249,888 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 10-K/A filed 2021-05-07
Quote: “solely due to the Company's restatement of its financial statements to reclassify the Company's warrants as described in the Explanatory Note to this Amendment, a material weakness existing and our disclosure controls and procedures were not effective as of December 31, 2020”