[SCHEDULE 13G] TMC the metals Co Inc. SEC Filing

Rhea-AI Filing Summary

William George Brumder II reports beneficial ownership of 21,992,781 common shares of TMC the metals Co Inc., representing approximately 5.4% of the outstanding class. This total includes 2,000,000 common shares underlying exchange-traded warrants exercisable at $11.50 per share and expiring at 5:00 p.m. EST on September 9, 2026, and 2,492,200 common shares underlying call options exercisable within 60 days of the filing date. The percentage calculation uses a share base of 408,392,921 common shares, which incorporates the 2,000,000 shares issuable on exercise of the reported warrants. Mr. Brumder reports sole voting and dispositive power over 21,992,781 shares and certifies the holdings were not acquired to influence control of the issuer.

Positive

• Beneficial ownership disclosed above 5% (21,992,781 shares; 5.4% of class), which provides transparency to investors
• Clear disclosure of derivative instruments: 2,000,000 warrants at $11.50 and 2,492,200 call-option shares exercisable within 60 days
• Sole voting and dispositive power reported for all disclosed shares, clarifying control over the position

Negative

• None.

Insights

Securities Analyst

TL;DR: Holder reports a meaningful 5.4% stake including exercisable warrants and options, potentially affecting float and voting dynamics.

The filing discloses beneficial ownership of 21,992,781 common shares, including 2,000,000 shares underlying warrants exercisable at $11.50 and 2,492,200 shares underlying short-term call options. Reporting sole voting and dispositive power indicates direct control of the disclosed stake. The 5.4% figure is computed on 408,392,921 shares outstanding, which already includes the warrants, making the percentage calculation conservative. From a market perspective, the combination of exercisable warrants and options could increase near-term supply if exercised, but the statement affirms no intent to change control.

Corporate Governance Expert

TL;DR: A single investor holds just above the 5% disclosure threshold with sole voting authority, warrant exposure, and no stated control intentions.

The disclosure meets Schedule 13G standards for passive reporting while showing sole voting and dispositive power over the shares reported. The instrument details are explicit: warrants exercisable at $11.50 and an identified expiration. The filer certifies the holdings were not acquired to influence control, aligning the filing with passive investor treatment rather than an active 13D-level engagement.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

TMC the metals Co Inc.

(Name of Issuer)

Common Shares, without par value

(Title of Class of Securities)

87261Y106

(CUSIP Number)

09/16/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 87261Y106

1

Names of Reporting Persons

Brumder William George

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 21,992,781.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 21,992,781.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

21,992,781.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.4 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: TMC the metals Co Inc.
(b)	Address of issuer's principal executive offices: 1111 WEST HASTINGS STREET, 15TH FLOOR, VANCOUVER, BRITISH COLUMBIA, CANADA V6E 2J3
Item 2.
(a)	Name of person filing: This statement on Schedule 13G is filed by William George Brumder II.
(b)	Address or principal business office or, if none, residence: c/o HoganTaylor LLP 1225 N. Broadway Ave., Ste. 200 Oklahoma City, OK 73103
(c)	Citizenship: United States
(d)	Title of class of securities: Common Shares, without par value
(e)	CUSIP No.: 87261Y106
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: As of the close of business on the date hereof, Mr. Brumder held exchange-traded warrants of the Issuer (the "Warrants") exercisable for an aggregate of 2,000,000 Common Shares, without par value (the "Common Shares"). The Warrants are exercisable at a price of $11.50 per Common Share and first became exercisable 30 days after the consummation of the combination between the Issuer and DeepGreen Metals Inc., which occurred on September 9, 2021, subject to certain conditions. The Warrants expire at 5:00 p.m. EST on September 9, 2026, or earlier upon redemption or liquidation, subject to certain conditions. As of the close of business on the date hereof, Mr. Brumder may be deemed to beneficially own 21,992,781 Common Shares, including (i) 2,000,000 Common Shares underlying the Warrants held by him and (ii) 2,492,200 Common Shares underlying certain call options exercisable within 60 days of the date hereof.
(b)	Percent of class: The following percentage is based upon 408,392,921 Common Shares outstanding, which is the sum of (i) 406,392,921 Common Shares outstanding as of August 13, 2025, which is the total number of Common Shares outstanding as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2025, and (ii) 2,000,000 Common Shares underlying the Warrants held by Mr. Brumder. As of the close of business on the date hereof, Mr. Brumder may be deemed to beneficially own approximately 5.4% of the Common Shares outstanding.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See Cover Pages Items 5-9.
	(ii) Shared power to vote or to direct the vote: See Cover Pages Items 5-9.
	(iii) Sole power to dispose or to direct the disposition of: See Cover Pages Items 5-9.
	(iv) Shared power to dispose or to direct the disposition of: See Cover Pages Items 5-9.
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Brumder William George

Signature:	/s/ William George Brumder II
Name/Title:	William George Brumder II
Date:	09/24/2025

FAQ

How many shares of TMC does William George Brumder II beneficially own?

He reports beneficial ownership of 21,992,781 common shares of TMC, representing approximately 5.4% of the outstanding class.

What derivative securities related to TMC are disclosed by the filer?

The filer holds 2,000,000 warrants exercisable at $11.50 per share and 2,492,200 shares underlying call options exercisable within 60 days.

When do the reported warrants expire and what is the strike price?

The warrants expire at 5:00 p.m. EST on September 9, 2026 and are exercisable at $11.50 per share.

What voting and dispositive power does the filer claim over the TMC shares?

The filer reports sole voting power and sole dispositive power over all 21,992,781 shares disclosed.

What share count was used to calculate the filer’s percentage ownership of TMC?

The percentage is based on 408,392,921 common shares outstanding, which includes the 2,000,000 shares underlying the reported warrants.