Caledonia Mining says BlackRock stake now 6.98%

Q: What change in major shareholding did CMCL disclose in this 6-K?

Caledonia Mining disclosed that BlackRock’s total interest in its voting rights is now 6.98%, down from 7.10%, as of September 18, 2026, representing 1,350,254 voting rights in the company.

Q: How much of CMCL does BlackRock hold directly in shares?

BlackRock holds 4.90% of Caledonia Mining’s voting rights directly through shares, corresponding to 948,042 voting rights attached to ordinary shares with ISIN JE00BF0XVB15 as of September 18, 2026.

Q: What portion of CMCL does BlackRock hold via financial instruments?

BlackRock holds 2.08% of Caledonia Mining’s voting rights via financial instruments, including 181,758 voting rights (0.94%) from securities lending and 220,454 voting rights (1.14%) from cash-settled CFDs.

Q: Who is the notifying shareholder in this CMCL 6-K?

The notifying shareholder group is BlackRock, Inc., based in Wilmington, DE, USA, which reported its holding through a detailed TR-1 major holdings notification including its controlled undertakings structure.

Caledonia Mining Corporation Plc (CMCL) reports that BlackRock, Inc. has notified a relevant change in its holding of Caledonia’s voting rights under the UK TR-1 major holdings regime.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

6-K

Rhea-AI Filing Summary

Caledonia Mining Corporation Plc (CMCL) reports that BlackRock, Inc. has notified a relevant change in its holding of Caledonia’s voting rights under the UK TR-1 major holdings regime. As of September 18, 2026, BlackRock’s total interest is 6.98%, representing 1,350,254 voting rights in the company.

This total comprises 4.90% (948,042 voting rights) attached to Caledonia shares and 2.08% held through financial instruments, including securities lending and cash-settled CFDs. The previous disclosed total position was 7.10%, indicating a small reduction in BlackRock’s overall percentage holding.

Key Figures

Total voting rights held: 1,350,254 voting rights Total voting rights percentage: 6.98% Voting rights attached to shares: 948,042 voting rights (4.90%) +5 more

8 metrics

Total voting rights held 1,350,254 voting rights BlackRock total position in Caledonia as of September 18, 2026

Total voting rights percentage 6.98% BlackRock’s combined holding (shares plus financial instruments) after crossing threshold

Voting rights attached to shares 948,042 voting rights (4.90%) Direct interest via Caledonia shares on threshold-crossing date

Voting rights via securities lending 181,758 voting rights (0.94%) Portion of BlackRock’s financial-instrument interest in Caledonia

Voting rights via CFDs 220,454 voting rights (1.14%) Cash-settled CFD exposure to Caledonia voting rights

Previous total voting rights percentage 7.10% BlackRock’s prior disclosed total interest before latest threshold event

Previous voting rights attached to shares 5.11% BlackRock’s earlier percentage of Caledonia voting rights via shares

Previous voting rights via financial instruments 1.99% BlackRock’s earlier percentage via financial instruments

Key Terms

TR-1 Standard form for notification of major holdings, voting rights, financial instruments, Securities Lending, +2 more

6 terms

TR-1 Standard form for notification of major holdings regulatory

"TR-1 Standard form for notification of major holdings"

voting rights financial

"Total number of voting rights held in issuer"

Voting rights are the ability of shareholders to have a say in important company decisions, like choosing leaders or approving big changes. They matter because they give owners a voice in how the company is run, similar to how voters influence elections, ensuring the company acts in shareholders’ interests.

financial instruments financial

"% of voting rights through financial instruments"

Financial instruments are assets or contracts that hold monetary value and can be bought, sold, or traded. They serve as tools for investors to grow, protect, or transfer money, much like how a ticket or voucher can be used to access goods or services. These instruments help individuals and organizations manage financial goals and risks across different markets and economic conditions.

Securities Lending financial

"Type of financial instrument | Expiration date | Securities Lending"

Securities lending is when an owner of stocks or bonds temporarily loans them to another party, usually so the borrower can sell them short or meet settlement needs; the lender receives a fee and typically some form of security in return. Investors should care because lending can generate extra income on holdings and affects market liquidity and short-selling activity, much like renting out a spare room brings income while someone else uses the space.

CFD financial

"Type of financial instrument | CFD | Cash"

A CFD (contract for difference) is a financial agreement that lets an investor profit from the change in an asset’s price without actually owning that asset — like betting on a car’s value rising or falling without buying the car. It matters because CFDs use leverage, which can amplify gains and losses and allow easy access to different markets, so they change an investor’s potential return and risk profile and can lead to rapid losses if prices move unfavorably.

Non-UK issuer regulatory

"Please indicate if the issuer is a non-UK issuer"

A non-UK issuer is a company or other entity that issues securities but is based, incorporated, or primarily regulated outside the United Kingdom. For investors, this matters because such issuers often follow different reporting rules, legal protections and market practices than UK-based issuers, so buying their securities can be like shopping in a different country: you may face different information, oversight, tax treatment and claim rights if things go wrong.

FAQ

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

What change in major shareholding did CMCL disclose in this 6-K?

Caledonia Mining disclosed that BlackRock’s total interest in its voting rights is now 6.98%, down from 7.10%, as of September 18, 2026, representing 1,350,254 voting rights in the company.

How much of CMCL does BlackRock hold directly in shares?

BlackRock holds 4.90% of Caledonia Mining’s voting rights directly through shares, corresponding to 948,042 voting rights attached to ordinary shares with ISIN JE00BF0XVB15 as of September 18, 2026.

What portion of CMCL does BlackRock hold via financial instruments?

BlackRock holds 2.08% of Caledonia Mining’s voting rights via financial instruments, including 181,758 voting rights (0.94%) from securities lending and 220,454 voting rights (1.14%) from cash-settled CFDs.

When did BlackRock cross the reportable threshold in CMCL?

BlackRock crossed the relevant reportable threshold in Caledonia Mining on September 18, 2026, and the company was notified on September 21, 2026, triggering a TR-1 major holdings notification.

What was BlackRock’s previous percentage holding in CMCL?

Before the latest change, BlackRock’s total interest in Caledonia Mining’s voting rights was 7.10%, consisting of 5.11% attached to shares and 1.99% held via financial instruments.

Who is the notifying shareholder in this CMCL 6-K?

The notifying shareholder group is BlackRock, Inc., based in Wilmington, DE, USA, which reported its holding through a detailed TR-1 major holdings notification including its controlled undertakings structure.

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

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Available on EDGAR 09/22/2026 - 06:02 AM Accepted by SEC EDGAR 09/22/2026 - 06:00 AM

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16
Of the Securities Exchange Act of 1934

For the month of September 2026

Commission File Number: 001-38164

CALEDONIA MINING CORPORATION PLC

(Translation of registrant's name into English)

2 Mulcaster Street
St Helier
Jersey JE2 3NJ
(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

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, thereunto duly authorized.

	CALEDONIA MINING CORPORATION PLC
	Registrant

September 22, 2026	/s/ JOHN MARK LEARMONTH
	John Mark Learmonth
	CEO and Director

EXHIBIT INDEX

Exhibit Number	Description

99.1	Press Release dated September 22, 2026

Exhibit 99.1

Caledonia Mining Corporation Plc

Notification of relevant change to significant shareholder

(NYSE AMERICAN: CMCL; AIM: CMCL; VFEX: CMCL)

September 22, 2026: Caledonia Mining Corporation Plc ("Caledonia" or "the Company") announces that it received notification on September 21, 2026 from BlackRock, Inc. that on September 18, 2026 it had crossed a threshold for notification of a relevant change (as defined by the AIM Rules for Companies).

A copy of the notification is below.

Enquiries:

Caledonia Mining Corporation Plc

Mark Learmonth

Camilla Horsfall

Tel: +44 1534 679 800

Tel: +44 7817 841 793

Cavendish Capital Markets Limited (Nomad and Broker)

Adrian Hadden

George Lawson

Tel: +44 207 397 1965

Tel: +44 131 220 9775

Camarco, Financial PR (UK)

Elfie Kent

Tel: +44 20 3757 4980

Curate Public Relations (Zimbabwe)

Debra Tatenda

Tel: +263 77802131

IH Securities (Private) Limited (VFEX Sponsor - Zimbabwe)

Lloyd Mlotshwa

Tel: +263 (242) 745 119/33/39

Head and Registered Office: Caledonia Mining Corporation Plc

2 Mulcaster Street, St Helier, Jersey, Channel Islands, JE2 3NJ

info@caledoniamining.com | | www.caledoniamining.com

TR-1: Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible) ⁱ

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ⁱⁱ:			CALEDONIA MINING CORPORATION PLC
1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate)
Non-UK issuer						X
2. Reason for the notification (please mark the appropriate box or boxes with an “X”)
An acquisition or disposal of voting rights						X
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights
Other (please specify) ⁱⁱⁱ:
3. Details of person subject to the notification obligation ^iv
Name			BlackRock, Inc.
City and country of registered office (if applicable)			Wilmington, DE, USA
4. Full name of shareholder(s) (if different from 3.) ^v
Name
City and country of registered office (if applicable)
5. Date on which the threshold was crossed or reached ^vi:			18/09/2026
6. Date on which issuer notified (DD/MM/YYYY):			21/09/2026
7. Total positions of person(s) subject to the notification obligation
	% of voting rights attached to shares (total of 8. A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)		Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer (8.A + 8.B) ^vii
Resulting situation on the date on which threshold was crossed or reached	4.90%	2.08%		6.98%	1,350,254
Position of previous notification (if applicable)	5.11%	1.99%		7.10%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached ^viii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)		Number of voting rights ^ix					% of voting rights
		Direct (DTR5.1)		Indirect (DTR5.2.1)			Direct (DTR5.1)		Indirect (DTR5.2.1)
JE00BF0XVB15				948,042					4.90%


SUBTOTAL 8. A		948,042					4.90%

B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument		Expiration date ^x	Exercise/ Conversion Period ^xi			Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights
Securities Lending		N/A	N/A			181,758			0.94%


			SUBTOTAL 8. B 1			181,758			0.94%

B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrument	Expiration date ^x		Exercise/ Conversion Period ^xi		Physical or cash Settlement ^xii			Number of voting rights	% of voting rights
CFD	N/A		N/A		Cash			220,454	1.14%


					SUBTOTAL 8.B.2			220,454	1.14%

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an “X”)
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer ^xiii
Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity (please add additional rows as necessary) ^xiv				X
Name ^xv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold

BlackRock, Inc.
BlackRock Saturn Subco, LLC
BlackRock Finance, Inc.
Trident Merger, LLC
BlackRock Investment Management, LLC

BlackRock, Inc.
BlackRock Saturn Subco, LLC
BlackRock Finance, Inc.
BlackRock Holdco 2, Inc.
BlackRock Financial Management, Inc.
BlackRock International Holdings, Inc.
BR Jersey International Holdings L.P.
BlackRock Holdco 3, LLC
BlackRock Cayman 1 LP
BlackRock Cayman West Bay Finco Limited
BlackRock Cayman West Bay IV Limited
BlackRock Group Limited
BlackRock Investment Management (UK) Limited

BlackRock, Inc.
BlackRock Saturn Subco, LLC
BlackRock Finance, Inc.
BlackRock Holdco 2, Inc.
BlackRock Financial Management, Inc.
BlackRock Holdco 4, LLC
BlackRock Holdco 6, LLC
BlackRock Delaware Holdings Inc.
BlackRock Institutional Trust Company, National Association

BlackRock, Inc.
BlackRock Saturn Subco, LLC
BlackRock Finance, Inc.
BlackRock Holdco 2, Inc.
BlackRock Financial Management, Inc.
BlackRock Holdco 4, LLC
BlackRock Holdco 6, LLC
BlackRock Delaware Holdings Inc.
BlackRock Fund Advisors	3.280%	0.010%	3.290%

BlackRock, Inc.
BlackRock Saturn Subco, LLC
BlackRock Finance, Inc.
BlackRock Holdco 2, Inc.
BlackRock Financial Management, Inc.

BlackRock, Inc.
BlackRock Saturn Subco, LLC
BlackRock Finance, Inc.
BlackRock Holdco 2, Inc.
BlackRock Financial Management, Inc.
BlackRock International Holdings, Inc.
BlackRock Canada Holdings ULC
BlackRock Asset Management Canada Limited

BlackRock, Inc.
BlackRock Saturn Subco, LLC
BlackRock Finance, Inc.
BlackRock Holdco 2, Inc.
BlackRock Financial Management, Inc.
BlackRock Capital Holdings, Inc.
BlackRock Advisors, LLC

BlackRock, Inc.
BlackRock Saturn Subco, LLC
BlackRock Finance, Inc.
Trident Merger, LLC
BlackRock Investment Management, LLC
Amethyst Intermediate, LLC
Aperio Holdings, LLC
Aperio Group, LLC

10. In case of proxy voting, please identify:
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held

11. Additional information ^xvi
BlackRock Regulatory Threshold Reporting Team Jana Blumenstein 020 7743 3650

Place of completion

12 Throgmorton Avenue, London, EC2N 2DL, U.K.

Date of completion

21 September 2026

Source: View Original Filing on SEC EDGAR

Filing Exhibits & Attachments

1 document

Press Releases

EX-99.1 PRESS RELEASE DATED SEPTEMBER 22, 2026 80.4 KB