Liberty Star expands Arizona mineral footprint

Liberty Star Uranium & Metals Corp. reported that it has staked 13 additional mineral exploration permits in southeast Arizona, adding about 11 square miles of claims.

Filing Impact

(High)

Filing Sentiment

(Neutral)

Form Type

8-K

Rhea-AI Filing Summary

Liberty Star Uranium & Metals Corp. reported that it has staked 13 additional mineral exploration permits in southeast Arizona, adding about 11 square miles of claims. This brings its total mineralized footprint in the Tombstone Mining District to roughly 45 square miles.

The expanded position includes multi-mineral targets at Earp Ridge Mines, LLC and a major gold target at Red Rock Mines, LLC. The company describes this as the largest mineral footprint in Arizona not controlled by a large mining company and a key step toward attracting a major mining partner.

Positive

Completed district-scale consolidation: The company now controls about 45 square miles of mineral claims in the Tombstone Mining District, which it describes as the largest Arizona mineral footprint not controlled by a major mining company.

Negative

None.

Insights

Liberty Star completes district-scale claim consolidation in southeast Arizona.

Liberty Star has staked 13 new mineral exploration permits covering about 11 square miles, taking its Tombstone Mining District footprint to roughly 45 square miles. Management states this makes its Hay Mountain holdings the largest mineral footprint in Arizona not controlled by a major mining company.

The consolidated land package now covers multi-mineral copper-molybdenum targets via Earp Ridge Mines, LLC and a large gold target at Red Rock Mines, LLC. The company notes these targets were selected using geologic mapping, rock sampling, and induced polarization surveys, indicating a data-driven exploration approach.

Future impact depends on fieldwork and results from new assays or geophysics, which the company plans to release as available. Until drill results or partnerships are disclosed, this remains a strategic land-positioning milestone rather than a cash-generating event.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

New mineral exploration permits: 13 permits Newly covered area: Approximately 11 square miles Total mineralized footprint: Approximately 45 square miles

3 metrics

New mineral exploration permits 13 permits Staked in southeast Arizona on April 20, 2026

Newly covered area Approximately 11 square miles Area covered by the 13 new mineral exploration permits

Total mineralized footprint Approximately 45 square miles Consolidated claims in the Tombstone Mining District

Key Terms

mineral exploration permits, induced polarization (IP) survey, porphyry copper belt, critical minerals, +1 more

5 terms

mineral exploration permits financial

"announced that it has staked an additional 13 mineral exploration permits (MEPs)"

induced polarization (IP) survey technical

"identified through its rigorous geologic mapping, rock sampling, and induced polarization (IP) survey program"

An induced polarization (IP) survey is a geophysical exploration method that sends electrical currents into the ground and measures how subsurface materials temporarily hold and release charge, revealing contrasts in chargeability and resistivity. For investors in mining and resource projects, an IP survey is like a deep-seeking metal detector: it highlights zones that are more likely to contain metal-bearing minerals or clay-rich altered rock, helping prioritize drilling targets and reduce the risk and cost of exploration.

porphyry copper belt technical

"Southeast Arizona’s porphyry copper belt is among the most prolific mineral-producing regions"

critical minerals financial

"focused on strategic and commercially important critical minerals in southeast Arizona"

Materials needed to build modern technologies—like batteries, electronics, renewable energy systems and defense equipment—that have few easy substitutes and often come from a small number of countries or mines. Investors care because their supply can be disrupted, expensive or slow to increase, which affects the cost, availability and growth prospects of companies and industries that rely on them; think of them as critical spare parts for the global economy.

district-scale consolidation financial

"The newly staked MEP claims complete Liberty Star’s planned district-scale consolidation within the Tombstone Mining District"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Liberty Star Uranium & Metals Corp. (LBSR) announce in this 8-K?

Liberty Star announced it staked 13 additional mineral exploration permits in southeast Arizona, adding about 11 square miles of claims. This increases its consolidated Tombstone Mining District mineralized footprint to roughly 45 square miles focused on gold, copper, molybdenum, and critical minerals.

How large is Liberty Star’s total mineral footprint in Arizona now?

The company reports a total mineralized footprint of approximately 45 square miles in the Tombstone Mining District. This expanded position follows staking 13 new mineral exploration permits and is described as the largest Arizona mineral footprint not controlled by a major mining company.

Where are Liberty Star’s new mineral exploration permits located?

The 13 new mineral exploration permits are in southeast Arizona’s Tombstone Mining District, within the porphyry copper belt. This region is described as one of the world’s most prolific copper-gold-molybdenum areas and a key U.S. jurisdiction for copper and critical mineral production.

Which projects are included in Liberty Star’s consolidated Tombstone position?

The consolidated position includes Earp Ridge Mines, LLC, with multi-mineral copper and molybdenum targets, and Red Rock Mines, LLC, described as a world-class gold target. These areas cover the full suite of targets identified by the company’s mapping, sampling, and induced polarization surveys.

How does Liberty Star say this expansion supports its strategic plans?

Liberty Star states that controlling about 45 square miles of multi-mineral opportunities helps position it to attract a serious mining partner. Management views the consolidated land package as a district-scale asset aligned with U.S. economic and national security interests in critical minerals.

What future updates does Liberty Star plan to provide after this 8-K?

The company plans to provide further updates as fieldwork progresses and new assay or geophysical results become available. This suggests upcoming disclosures may focus on technical results from exploration activities across the consolidated Tombstone Mining District claims.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/21/2026 - 10:08 AM

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT PURSUANT TO

SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): April 20, 2026

Liberty Star Uranium & Metals Corp.

(Exact Name of Registrant as Specified in its Charter)

Nevada

(State or Other Jurisdiction of Incorporation)

000-50071		90-0175540
(Commission		(IRS Employer
File Number)		Identification No.)

2 East Congress St. Ste 900, Tucson, AZ		85701
(Address of Principal Executive Offices)		(Zip Code)

(Registrant’s telephone number, including area code): (520) 425-1433

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2.)

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common		LBSR		OTCQB

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events

On April 20, 2026, Liberty Star Uranium & Metals Corp., Dba Liberty Star Minerals (OTCQB: LBSR) (“Liberty Star” or the “Company”), a U.S. mineral exploration company focused on strategic and commercially important critical minerals in southeast Arizona, today announced that it has staked an additional 13 mineral exploration permits (MEPs) mining claims covering approximately 11 square miles, increasing its total mineralized footprint to approximately 45 square miles. These are in addition to the previously announced MEPs from March 10, 2026.

This ranks Hay Mountain Holdings LLC as the largest mineral footprint in Arizona, not controlled by a large mining company.

The newly staked MEP claims complete Liberty Star’s planned district-scale consolidation within the Tombstone Mining District, locking up the full suite of targets identified through its rigorous geologic mapping, rock sampling, and induced polarization (IP) survey program. The consolidated position now encompasses: Earp Ridge Mines, LLC — multi-mineral claims hosting critical minerals, copper, and molybdenum (historically Hay Mountain Targets 1 & 2) & Red Rock Mines, LLC — the Company’s world-class gold target

Every target the data pointed to is now protected.

“Our dedicated team followed the geology wherever it led, and then we moved to protect it,” said Pete O’Heeron, Chairman of Liberty Star Minerals. “Forty-five square miles of multi-mineral opportunities across gold, copper, molybdenum, and critical minerals, so important to U.S. economic and national security. This positions us to attract a serious mining partner and execute our strategic plan. This is a district-scale asset in one of the best mining addresses on earth.”

Southeast Arizona’s porphyry copper belt is among the most prolific mineral-producing regions in the world, consistently generating large-scale copper-gold-molybdenum discoveries. Arizona is a top-ranked U.S. jurisdiction for copper and critical mineral production — the kind of address major miners and sovereign investors are actively targeting amid growing U.S. resource security imperatives.

Liberty Star will provide further updates as fieldwork advances and new assay or geophysical results become available.

Item 9.01. Financial Statements and Exhibits.

The exhibits listed in the following Exhibit Index are furnished as part of this Current Report on Form 8-K.

Exhibit No.		Description

3.80		Liberty Star Minerals secures Largest Independent Mineral Footprint in Arizona

104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		LIBERTY STAR URANIUM & METALS CORP.

Dated:	April 20, 2026	/s/ Patricia Madaris
		Patricia Madaris, VP Finance & CFO

Source: View Original Filing on SEC EDGAR

Filing Exhibits & Attachments

5 documents

Liberty Star expands Arizona mineral footprint