Mako Mining (NASDAQ:MAKO) filed an independent NI 43-101 Technical Report for the Moss Mine mineral resources, mineral reserves and life-of-mine plan, dated August 17, 2026 with an effective date of June 30, 2026. The report, which supports a previously announced Moss Mine mineral resource estimate, is available on SEDAR+, EDGAR and the company’s website.
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Market Context
Mako’s Moss reserve announcement drew a -2.28% 24-hour response, adding a company-specific historica...
Analysis
Mako’s Moss reserve announcement drew a -2.28% 24-hour response, adding a company-specific historical comparison to this technical filing. The record also showed a 3.95% Q2 earnings gain; low short positioning provided limited squeeze-risk context.
High-grade drilling and expanded permitted strike preceded a 0.8% gain.
24h Move is the share-price change in the day after each event; other market factors may also have contributed.
Pattern Detected
Mako's positive announcements produced aligned gains in three of five recent events, while production and Moss reserve news diverged with negative reactions.
Key Terms
ni 43-101, mineral resource estimate, heap leach, open pit
4 terms
ni 43-101regulatory
"independent technical report entitled "NI 43-101 Technical Report for the Mineral Resources"
A Canadian regulatory standard that sets the rules for how mining and exploration companies must report mineral resources and reserves, requiring technical reports prepared or signed off by an independent, certified expert. It matters to investors because it creates a consistent, transparent “inspection report” for mining projects, making it easier to compare prospects, judge the reliability of claims, and assess geological and financial risk before investing.
mineral resource estimatetechnical
"The Technical Report supports the previously announced mineral resource estimate at the Moss Mine"
A mineral resource estimate is a calculated approximation of how much metal or mineral material likely exists in a particular deposit and where it sits underground, similar to estimating how many cookies are in a jar by peeking at the layers. It matters to investors because it provides a data-based starting point for judging a project's potential value, future production and risks, while not guaranteeing recoverable or profitable amounts.
heap leachtechnical
"the Moss Mine in Arizona, an open pit gold mine"
Heap leach is a mining method where crushed ore is piled into a heap and a liquid is dripped or sprayed over it to dissolve valuable metals, which are then collected from the runoff. Investors care because it is a lower-cost, scalable way to produce metals like gold or copper, but it also affects project timelines, recovery rates, capital needs and environmental or regulatory risk — like choosing a cheap, slow way to extract juice from a fruit versus pressing it quickly.
open pittechnical
"the Moss Mine in Arizona, an open pit gold mine"
A large, surface excavation where rock and soil are removed in stepped layers to reach and extract mineral deposits; picture a terraced, man‑made quarry reaching down to the ore. It matters to investors because open‑pit operations tend to produce high volumes at lower unit cost but require large up‑front investment, long operating life, and carry visible environmental and permitting risks that can affect production, costs and company value.
VANCOUVER, BC / ACCESS Newswire / August 21, 2026 / Mako Mining Corp. ("Mako" or the "Company") (NASDAQ:MAKO)(TSXV:MKO) is pleased to announce an independent technical report entitled "NI 43-101 Technical Report for the Mineral Resources, Mineral Reserves and Mine Plan for the Moss Mine, Oatman Mining District, Mohave County, Arizona", dated August 17, 2026, having an effective date of June 30, 2026 (the "Technical Report") has been filed under the Company's profile on SEDAR+ at www.sedarplus.ca. and on EDGAR at www.sec.gov, and is also available on the Company's website at www.makominingcorp.com.
The Technical Report supports the previously announced mineral resource estimate at the Moss Mine, having an effective date of June 30, 2026 (see new release dated July 7, 2026).
About Mako
Mako Mining Corp. is a publicly listed gold mining, development and exploration company. The Company operates the high-grade San Albino gold mine in Nueva Segovia, Nicaragua, which ranks as one of the highest-grade open pit gold mines globally and offers district-scale exploration potential. Mako also owns two assets in the US: the Moss Mine in Arizona, an open pit gold mine in northwestern Arizona and the Mt. Hamilton Project, a permitted heap leach project in Nevada. Mako also holds a 100% interest in the PEA-stage Eagle Mountain Project in Guyana, South America. Eagle Mountain is the subject of engineering, environmental and mine permitting activity.
Neither the TSXV nor its Regulation Services Provider (as that term is defined in the policies of the TSXV) accepts responsibility for the adequacy or accuracy of this news release.
What did Mako Mining (NASDAQ:MAKO) announce about the Moss Mine technical report on August 21, 2026?
Mako Mining announced the filing of an independent NI 43-101 Technical Report for mineral resources, mineral reserves and mine plan at the Moss Mine. According to Mako Mining, the report is dated August 17, 2026 with an effective date of June 30, 2026.
Where can investors access Mako Mining's NI 43-101 Technical Report for the Moss Mine (MAKO)?
Investors can access the Moss Mine NI 43-101 Technical Report on SEDAR+ and EDGAR, and via Mako Mining’s website. According to Mako Mining, it is filed under the company’s profile and supports the previously announced Moss Mine mineral resource estimate.
What does the NI 43-101 Technical Report support for Mako Mining's Moss Mine (MAKO)?
The NI 43-101 Technical Report supports Mako Mining’s previously announced mineral resource estimate for the Moss Mine. According to Mako Mining, this estimate has an effective date of June 30, 2026 and was initially communicated in a news release dated July 7, 2026.
What mining assets does Mako Mining (MAKO) hold besides the Moss Mine in Arizona?
Mako Mining operates the high-grade San Albino gold mine in Nicaragua and owns the Mt. Hamilton heap leach project in Nevada. According to Mako Mining, it also holds a 100% interest in the PEA-stage Eagle Mountain Project in Guyana, under active engineering and permitting work.
Is the Moss Mine described as an open pit gold mine in Mako Mining’s August 2026 update?
Yes, Mako Mining describes the Moss Mine in northwestern Arizona as an open pit gold mine. According to Mako Mining, Moss is one of its U.S. assets, alongside the Mt. Hamilton Project in Nevada and the Eagle Mountain Project in Guyana.
How does Mako Mining describe the San Albino gold mine in relation to grade and potential?
Mako Mining describes San Albino as a high-grade open pit gold mine in Nicaragua, ranking among the highest-grade globally. According to Mako Mining, the mine also offers district-scale exploration potential, complementing the company’s other development and exploration-stage assets.
