Purebase Corp (PUBC) Headquartered in Ione, California, Purebase Corporation operates as an industrial mineral and natural resource enterprise. The company primarily serves the agriculture and construction materials sectors within the United States, while also distributing its products internationally to Vietnam, Laos, and Cambodia. Its product portfolio features PureBase Shade Advantage WP, a naturally derived mineral protectant for plants that minimizes sunburn damage from UV and infrared light. Purebase also offers a selection of humic acid products and manufactures private label goods for other agricultural businesses. Established in 2010, the company adopted its current name, Purebase Corporation, in January 2015, having previously operated as Port of Call Online, Inc.
Sector: Agricultural Chemicals
Industry: Agricultural Inputs
PureBase Corporation OTC:PUBC Basic Materials · Industrial Materials
All Press Release SEC Filings News
SEC Filing ● Major ⚠ 3
PUBC: NT 10-Q · late filing
Purebase Corporation filed a Form 12b-25 (NT 10-Q) on October 15, 2026 notifying the SEC it cannot timely file its 10-Q for the quarter ended August 31, 2026, citing additional time needed to compile and finalize certain disclosures.
The company says it endeavors to file the report by October 31, 2026, but notably checked 'No' on whether all prior periodic reports were filed, identifying the 10-Q for the quarter ended May 31, 2026 as also outstanding.
Consecutive late filings raise the risk of internal control or accounting issues and potential OTC/Exchange Act compliance consequences for this micro-cap issuer.
SEC NT 10-Q • 11d ago SEC Filing ⚠ 1
PUBC: NT 10-Q · late filing
Purebase Corporation filed a notification of late filing (Form NT 10-Q) indicating it will not submit its quarterly report for the period ended May 31, 2026, by the prescribed due date. The company cited the need for additional time to finalize certain disclosures included in the report as the reason for the delay.
Despite the delay, Purebase stated that it does not anticipate any significant change in results of operations from the corresponding period of the last fiscal year. The notification confirms that all other required periodic reports for the preceding 12 months have been filed timely.
SEC NT 10-Q • 3mo ago Press Release
Purebase Announces Keystone Mine Permitted and Operational
Purebase announced that the Keystone mine has received Permit Number TNEV2026131 from the Nevada Division of Environmental Protection and has commenced operations.
CoreTer LLC will conduct all exploration, development, and mining operations at the site, while Purebase will take production output directly to market.
The project was brought from an 80-year-old abandoned status to fully operational in under five months.
• 3mo ago AI analysis › Press Release
Purebase Creates Streamlined “Mine to Market” Relationship with CoreTer LLC.
Purebase Corporation established a streamlined 'mine to market' relationship with CoreTer LLC, integrating exploration operations with direct market sales.
CoreTer will handle exploration, development, and mining, while Purebase will manage the marketing and sale of the production output.
The companies will continue to operate as independently marketed businesses but aim to align interests from extraction to the final buyer.
• 4mo ago AI analysis › Press Release
Purebase Announces New Chief Financial Officer
Purebase Corporation appointed Dr. Amy T. Clemens as Chief Financial Officer, effective June 5, 2026.
Dr. Clemens previously served as interim CFO for two years during the company's inception before leaving for the defense industry.
CEO A. Scott Dockter cited her extensive financial background and firsthand knowledge of Purebase as key factors in the hiring, aiming for a smooth transition as the company begins a 'new direction.'
• 4mo ago AI analysis › Press Release ⚠ 3
Purebase Acquires 20% Interest in Keystone Mine Through Asset Transfer Agreement
Purebase Corporation acquired a 20% interest in the Keystone mine through an Asset Transfer Agreement with CoreTer LLC.
The Keystone mine consists of patented and unpatented claims in the Hot Creek Mining District of Nye County, Nevada.
Management states this equity position will help capitalize the company and accelerate its transformation into a diversified resource development platform.
• 4mo ago AI analysis › SEC Filing ⚠ 4
PUBC: 8-K · material agreement
Purebase Corp entered into a binding Memorandum of Understanding with CoreTer LLC, an entity owned by CEO A. Scott Dockter, to receive 20% of the net proceeds from CoreTer’s mining agreement with Dexter Mining LLC.
The arrangement requires Purebase to waive any claim to corporate opportunities arising from the mining deal, effectively allowing the CEO to pursue similar opportunities through his private company without fiduciary conflict.
The transfer of proceeds is contingent upon Purebase’s board approving a definitive asset transfer agreement and is subject to revocation if the CEO is removed or if a separate escrow agreement with US Mine Corp. is breached.
SEC 8-K • 4mo ago AI analysis › Press Release
Purebase Eliminates Existing Liabilities in Debt Conversion
globenewswire.com • 5mo ago SEC Filing ● Major ⚠ 3
PUBC: 8-K · other
Purebase Corporation issued 50,311,184 shares of common stock to CoreTer, LLC to convert an aggregate loan of $1,013,870.97 under a convertible promissory note from February 2026. This transaction involves the conversion of debt previously extended to the company.
Additionally, the company issued 22,526,655 shares of common stock to CoreTer to reimburse approximately $453,957 for various operating expenses paid on the company's behalf. The combined issuance results in 72,837,839 new shares issued in exchange for roughly $1.47 million in value.
CoreTer is owned and managed by A. Scott Dockter, the company's Chief Executive Officer, classifying these transactions as related-party financings exempt from registration under Section 4(a)(2).
SEC 8-K • 5mo ago 
