Lake Mariner and Nautilus facility construction completion
Company: TeraWulf - Project: Nautilus
What the later record shows
Delivered on time · happened June 30, 2023
The Q2 2023 10-Q states that construction at both Lake Mariner and Nautilus was substantially complete as of June 30, 2023, which meets the Q2 2023 target.
“the construction activities at the Lake Mariner Facility and the Nautilus Cryptomine Facility substantially complete as of June 30, 2023”
2023-08-13 · TeraWulf 10-Q filed 2023-08-14 View cached copy (2026-09-13)Live source ↗
Checked October 9, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Remaining construction activities at Lake Mariner and Nautilus Facilities expected to be complete in second quarter of 2023
Source (primary)
TeraWulf 10-K filed 2023-03-31 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “the remaining construction activities at the Lake Mariner Facility and the Nautilus Facility are currently ongoing and expected to be complete in the second quarter of 2023”
How we checked this
Checked on October 11, 2026. The cited source supports every part of this claim.
The 10-K states that remaining construction at both facilities was ongoing and expected to finish in the second quarter of 2023.
Confirmed in the source:
- Remaining construction activities at the Lake Mariner Facility are expected to be complete in the second quarter of 2023
- Remaining construction activities at the Nautilus Facility are expected to be complete in the second quarter of 2023
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1083301/000155837023005301/wulf-20221231x10k.htm) in full (569,235 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms TeraWulf 10-K filed 2023-03-31
Quote: “the remaining construction activities at the Lake Mariner Facility and the Nautilus Facility are currently ongoing and expected to be complete in the second quarter of 2023”
confirms TeraWulf 10-Q filed 2023-08-14
Quote: “the construction activities at the Lake Mariner Facility and the Nautilus Cryptomine Facility substantially complete as of June 30, 2023”