Amendment to Schedule 13G reporting corrected beneficial ownership. William George Brumder II filed Amendment No. 1 to his Schedule 13G for TMC the metals Co Inc. to correct the number of Common Shares underlying warrants previously misstated. The filing reports that Mr. Brumder beneficially owns 21,067,781 Common Shares, representing approximately 5.2% of the issued and outstanding Common Shares based on a denominator of 407,467,921 shares. The position includes 1,075,000 Common Shares underlying exchange-traded warrants exercisable at $11.50 per share and 2,492,200 Common Shares underlying call options exercisable within 60 days. The warrants expire on September 9, 2026.
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TL;DR: A corrective ownership filing shows a 5.2% stake including warrants and near-term exercisable calls.
The amendment clarifies the composition of Mr. Brumder's stake in TMC, confirming total beneficial ownership of 21,067,781 shares. The filing specifies 1,075,000 shares from warrants exercisable at $11.50 and 2,492,200 shares from call options exercisable within 60 days, which are relevant to potential dilution and near-term exercise activity. This disclosure is procedural and enhances transparency about ownership levels that exceed the 5% reporting threshold.
TL;DR: Amendment corrects prior misstatement and reaffirms compliance with disclosure obligations.
The filing is a compliance-oriented amendment that corrects the previously misstated warrant share count. It restates the same ownership percentage as of the original filing date and attests that the securities were not acquired to influence control. For governance and regulatory review, the corrected detail on exercisable instruments and expiration date of warrants (September 9, 2026) is material to assessing voting power and potential future changes in ownership concentration.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
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
21,067,781.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
21,067,781.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
21,067,781.00
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)
5.2 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: Explanatory Note: This Amendment No. 1 to Schedule 13G is being filed solely to correct the number of shares underlying the Warrants (as defined below) that are beneficially owned by the Reporting Person, which was inadvertently misstated in the original Schedule 13G filed on September 24, 2025. The beneficial ownership reported herein reflects the correct number of shares and percentage beneficially owned as of the date of the original filing, and no changes have occurred in the Reporting Person's beneficial ownership since that time.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
TMC the metals Co Inc.
(b)
Address of issuer's principal executive offices:
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 1,075,000 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 21,067,781 Common Shares, including (i) 1,075,000 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 407,467,921 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) 1,075,000 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 5.2% 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.
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