Bunker Hill Mining Corp.
36 story beats from 2010 to 2026
The story so far
The events that changed the company's story, in plain English, each written against everything known about the company at the time. The dot shows whether it was good, bad or neutral for shareholders.
shares on issue market cap (log scale)
202645.6m shares · US$7.7m market cap
- 9 Mar
Bunker Hill closed a further C$33.75 million 'LIFE' financing (159.7 million units at C$0.18, a higher price than September's C$0.12/US$0.087 - a sign of continued investor confidence), with existing warrant-holder Ocean Partners Holdings agreeing to exercise warrants as part of the deal. Proceeds fund working capital for the mine's ramp-up to commercial production and exploration.
capital raising announcement
45.6m shUS$7.7m
2025927m shares · US$108m market cap
- 29 Sept
Bunker Hill closed the bought deal at roughly C$44.3 million combined (C$24.75 million CAD tranche including the underwriters' full over-allotment exercise, plus US$19.6 million USD tranche) - and Teck Resources, previously an emergency lender, took nearly the entire USD tranche (223.8 million units), becoming a major shareholder. A director and an executive also participated. Proceeds fund construction, start-up and ramp-up of the Bunker Hill Mine.
capital raising announcement
927m shUS$108m - 5 Sept
Bunker Hill announced a much larger C$45 million underwritten 'bought deal' private placement to fund construction of the Bunker Hill Mine through to commercial production, anchored by two cornerstone investors committing roughly US$19.6 million and US$5.0 million respectively - the capital infusion needed after the restart's cost overruns and financing strain through 2024-2025.
capital raising announcement
927m shUS$108m - 27 May
Bunker Hill Mining increased the emergency demand note from Teck Resources from $3.4 million to $4.4 million, continuing to lean on short-term financing during the restart delay.
debt financing
359m shUS$38.6m - 31 Mar
With its restart budget blown out, Bunker Hill Mining leaned on Pend Oreille seller Teck Resources for emergency short-term funding (a $3.4 million demand note at 12% interest) and scaled back a planned equity raise, cutting its minimum target from $20 million to $10 million.
debt financing
359m shUS$36.7m
2024350m shares · US$30.7m market cap
- 18 Dec
A strategic review found Bunker Hill Mining's restart budget had ballooned to $103 million (from $67 million, and $56 million in the original 2022 study), pushing the planned restart back to at least mid-2025; the company said it would draw on its Sprott standby facility and seek $30 million more in financing, plus explore a $150 million U.S. Export-Import Bank facility.
resource reserve update
350m shUS$30.7m - 14 Aug
Bunker Hill's subsidiary Silver Valley Metals took on a novel, expensive form of financing: a silver-denominated secured loan from Monetary Metals, with the first tranche worth US$16.4 million (equivalent to about 610,000 ounces of silver), a 15% interest rate payable in cash or silver, and security over essentially all of the subsidiary's and the company's properties and assets - reflecting how hard it had become to fund the restart on ordinary terms.
capital raising announcement
344m shUS$39.9m
2023256m shares · US$44.4m market cap
- 29 June
Bunker Hill Mining closed an upsized $67 million project financing package with Sprott Streaming (a $46 million multi-metals stream plus a $21 million debt facility), bringing Sprott's total committed financing for the mine restart to $96 million.
material agreement
256m shUS$44.4m - 31 Mar
Bunker Hill raised C$6.2 million in a brokered private placement of special warrants at C$0.12 each (convertible into shares and warrants once SEC-registered), continuing to fund the Bunker Hill Mine restart alongside its larger Sprott-led financing package.
capital raising announcement
256m shUS$20.9m
2022220m shares · US$18.7m market cap
- 21 Oct
Bunker Hill Mining filed an independent Preliminary Feasibility Study for restarting the mine, the next-stage economic study after the 2021 PEA.
resource reserve update
220m shUS$18.7m - 14 Mar
Bunker Hill Mining agreed to buy the Pend Oreille ore-processing plant from a Teck Resources subsidiary, to be relocated and used to mill ore at the restarted Bunker Hill Mine.
material agreement
164m shUS$39.5m - 4 Feb
Bunker Hill Mining finally completed the purchase of the Bunker Hill Mine outright on January 7, 2022, ending five years of leasing -- funded by an $8 million Royalty Convertible Debenture from Sprott Private Resource Streaming & Royalty Corp that also covered a $2 million EPA payment; it separately closed an upsized $6 million convertible debenture with Sprott for working capital and engineering studies.
material agreement
164m shUS$39.5m
2021164m shares · US$26.7m market cap
- 24 Sept
Bunker Hill Mining published an updated Preliminary Economic Assessment showing a 42% jump in project value to $143 million, lower costs, and an extended 11-year mine life -- a significant improvement over the original study.
resource reserve update
164m shUS$26.7m
2020143m shares · US$52.2m market cap
- 18 Dec
Bunker Hill Mining's initial drill results confirmed mineralization above the mine's existing resource boundary, expected to materially expand the resource base feeding its planned economic study.
resource reserve update
143m shUS$52.2m - 25 Nov
Bunker Hill Mining again renegotiated its option to buy the Bunker Hill Mine, cutting the purchase price by another 30% to $7.7 million and extending the option to August 2022, in exchange for a $2 million advance payment -- freeing up cash to keep drilling and advancing restart studies before having to commit to the purchase.
material agreement
138m shUS$46.8m - 28 Aug
Bunker Hill closed its brokered private placement at the full C$20.4 million raised across two tranches, led by Sprott Capital Partners and Cormark Securities - by far its largest financing to date, and the first appearance of the Sprott relationship that would go on to become the mine restart's primary funder.
capital raising announcement
79.3m shUS$29.4m - 10 Aug
Demand kept growing: Bunker Hill increased the brokered private placement again, to about C$20.4 million, and dropped the over-allotment option since it was no longer needed.
capital raising announcement
79.3m shUS$29.4m - 5 Aug
Strong investor demand let Bunker Hill upsize its brokered private placement 50%, to C$15 million.
capital raising announcement
79.3m shUS$29.4m - 29 July
Under new CEO Sam Ash, Bunker Hill announced a brokered private placement to raise up to C$10 million, alongside an extension of its Bunker Hill Mine lease - the opening move of what would become a much larger, oversubscribed raise.
capital raising announcement
79.3m shUS$58.4m
201969.8m shares
- 22 Oct
Bunker Hill Mining renegotiated its lease and purchase option on the Bunker Hill Mine, cutting the buyout price from $45 million to $11 million ($6.2 million cash plus $4.8 million in stock) and eliminating an ongoing royalty -- a major improvement in the terms of owning the mine outright.
material agreement
69.8m sh - 21 May
Bunker Hill Mining completed a 1-for-10 reverse stock split.
security holder rights change
41.5m shUS$7.1m
20183.3m shares · US$12.5m market cap
- 20 July
Bunker Hill took on a US$1.5 million unsecured convertible loan from UK miner Hummingbird Resources (10% interest, convertible at $0.85/share) specifically to fund its EPA payment obligations tied to the Bunker Hill Mine's Superfund settlement. Hummingbird gained a board-seat right if its stake passes 5%, plus a right of first refusal on future company financings or asset deals.
capital raising announcement
3.3m shUS$12.5m - 7 Mar
Bunker Hill Mining signed a settlement with the EPA resolving decades of Superfund liability at the Bunker Hill Mine: the company will perform mine-water remediation work and pay $20 million over time (plus water-treatment costs) on behalf of the mine's prior owner, in exchange for the EPA agreeing not to sue and to release its lien on the mine -- clearing the legal path to actually operate it.
debt financing
33.0m shUS$452m
201724.9m shares · US$346m market cap
- 11 Dec
Now renamed Bunker Hill Mining Corp., the company raised C$9.7 million in its first major financing since leasing the historic Bunker Hill Mine, led by Red Cloud Klondike Strike and Haywood Securities - funding lease payments, acquisition costs, and exploration/development at the mine.
capital raising announcement
24.9m shUS$346m - 23 Aug
Liberty Silver pivoted away from its Nevada exploration project, leasing the historic Bunker Hill zinc-lead-silver mine in Idaho from Placer Mining Corp with an option to buy it outright for $45 million -- the deal that would eventually reshape the company into Bunker Hill Mining Corp.
debt financing
24.9m shUS$286m - 24 Jan
Liberty Silver's lender BG Capital Group converted the entirety of its remaining loan (now increased to US$1.4 million with accrued interest) into shares, eliminating the company's debt to BGCG but leaving BGCG holding roughly 62% of the company - already its majority shareholder before this conversion.
capital raising announcement
12.4m shUS$8.6m
201512.4m shares · US$1.9m market cap
- 3 Feb
Liberty Silver completed a 1-for-15 reverse stock split, shrinking its share count from about 185.3 million to 12.4 million shares -- a step often taken to prop up a depressed share price.
security holder rights change
12.4m shUS$1.9m
201485.2m shares · US$281m market cap
- 20 Oct
Liberty Silver restructured its debt with lender BG Capital Group (BGCG): it converted about US$1.25 million of existing loan debt into roughly 100 million common shares at a fraction of a cent each - heavy dilution - while also taking on a new US$1.25 million credit facility (11% interest, convertible into shares at BGCG's option) to fund Trinity project work and working capital, a sign the company was struggling to fund itself any other way.
capital raising announcement
85.2m shUS$281m
201384.0m shares · US$630m market cap
- 15 Nov
Liberty Silver finalized a $1.21 million secured loan with BG Capital Group at 11% interest, secured by essentially all company assets, with BG emerging as a roughly 10.3% shareholder -- underscoring how reliant the company had become on this single lender for working capital.
debt financing
84.0m shUS$630m
201280.7m shares · US$17.31bn market cap
- 16 Oct
Liberty Silver closed its purchase of the Hi Ho Properties -- the only acreage within the Trinity land package it didn't already control -- from Primus Resources for $250,000 cash plus $1.86 million in stock and a 2% royalty, consolidating full ownership of the Trinity Silver project area.
asset acquisition disposition
80.7m shUS$17.31bn - 22 Aug
Liberty Silver extended the deadline on its takeover offer for Sennen Resources to September 10, 2022, saying Sennen's special committee had not produced any competing proposal; separately touted its recent Hi Ho property acquisition as further de-risking the Trinity Silver project.
material agreement
80.1m shUS$8.41bn - 17 July
Liberty Silver launched a share-exchange offer to acquire all of Sennen Resources Ltd. at 0.28 of a Liberty Silver share per Sennen share, valuing Sennen at about $13.4 million and aiming to combine Sennen's cash with Liberty Silver's Trinity Silver project.
business combination
80.1m shUS$8.89bn
201170.9m shares · US$11.07bn market cap
- 21 Dec
Liberty Silver's stock was approved for listing on the Toronto Stock Exchange (ticker LSL) - a meaningful liquidity and credibility milestone for the small explorer - triggering automatic conversion of US$3.25 million in previously-sold subscription receipts (from a November 2011 raise) into tradeable shares and warrants.
capital raising announcement
70.9m shUS$11.07bn - 10 Nov
Liberty Silver raised $3.25 million from Look Back Investments through a subscription-receipt financing, contingent on the Toronto Stock Exchange approving Liberty Silver's listing.
material agreement
70.9m shUS$6.92bn - 3 Mar
Liberty Silver announced an independently verified NI 43-101 mineral resource estimate for its Trinity Silver project in Nevada, an early derisking milestone for the property.
resource reserve update
2010
- 5 Apr
Liberty Silver Corp (predecessor to Bunker Hill Mining) entered an earn-in agreement with AuEx Ventures to earn up to a 70% interest in the Trinity Silver project in Nevada by spending $5 million on exploration over six years and completing a bankable feasibility study.
material agreement