TMC director Liam M. Mallon receives stock grants

Vesting is contingent on continued service through each vesting date, with one-third scheduled for each of the first three grant-date anniversaries.

Filing Impact

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

TMC director Liam M. Mallon received 25,445 RSUs on September 25, 2026, and 77,720 RSUs on September 28, 2026. Both awards vest in three equal installments on the first, second and third anniversaries of their respective grant dates, subject to continued service through each vesting date. Each RSU in the September 25 award represents the right to receive one common share upon vesting.

Insider Trade Summary

Grant/Award: 103,165 shares

Grant/Award 2 txns

Insider Mallon Liam M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Shares ^F2	77,720	$0.00	$0.00
Grant/Award	Common Shares ^F1	25,445	$0.00	$0.00

Holdings After Transaction: Common Shares — 103,165 shares (Direct)

Footnotes (2)

F1. Pursuant to the Issuer's Nonemployee Director Compensation Policy, the Reporting Person was granted restricted stock units ("RSUs") under the Issuer's 2021 Incentive Equity Plan (the "Plan"), which will vest, subject to continued service through each vesting date, over a three-year period as follows: 1/3 on the first anniversary of September 25, 2026 (the "Initial Grant Date"), 1/3 on the second anniversary of the Initial Grant Date and 1/3 on the third anniversary of the Initial Grant Date. Each RSU represents the right to receive one common share upon vesting.
F2. The Reporting Person was granted RSUs under the Plan, which will vest, subject to continued service through each vesting date, over a three-year period as follows: 1/3 on the first anniversary of September 28, 2026 (the "Special Grant Date"), 1/3 on the second anniversary of the Special Grant Date and 1/3 on the third anniversary of the Special Grant Date.

Key Figures

RSUs granted: 25,445 RSUs RSUs granted: 77,720 RSUs Vesting period: Three years +2 more

5 metrics

RSUs granted 25,445 RSUs Granted to Liam M. Mallon on September 25, 2026

RSUs granted 77,720 RSUs Granted to Liam M. Mallon on September 28, 2026

Vesting period Three years Each award vests in installments on the first, second and third anniversaries of its grant date

Installment per anniversary One-third Each of the three vesting anniversaries

Common shares per RSU 1 common share September 25, 2026 award, upon vesting

Key Terms

restricted stock units, 2021 Incentive Equity Plan, Initial Grant Date

3 terms

restricted stock units financial

"the September 25, 2026 grant of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2021 Incentive Equity Plan financial

"RSUs granted under the 2021 Incentive Equity Plan"

Initial Grant Date financial

"September 25, 2026 (the “Initial Grant Date”)"

FAQ

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

How many RSUs did TMC director Liam M. Mallon receive?

Liam M. Mallon received 25,445 RSUs on September 25, 2026, and 77,720 RSUs on September 28, 2026.

How do Liam M. Mallon's TMC RSUs vest?

The awards vest in three equal installments on the first, second and third anniversaries of their respective grant dates, subject to continued service through each vesting date.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 10/09/2026 - 06:30 PM Accepted by SEC EDGAR 10/09/2026 - 06:30 PM

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mallon Liam M

(Last)

(First)

(Middle)

C/O TMC THE METALS COMPANY INC.

1111 WEST HASTINGS STREET, 15TH FLOOR

(Street)

VANCOUVER

V6E 2J3

(City)

(State)

(Zip)

BRITISH COLUMBIA, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
TMC the metals Co Inc. [ TMC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/25/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares	09/25/2026		A		25,445⁽¹⁾	A	$0.00	25,445	D
Common Shares	09/28/2026		A		77,720⁽²⁾	A	$0.00	103,165	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Pursuant to the Issuer's Nonemployee Director Compensation Policy, the Reporting Person was granted restricted stock units ("RSUs") under the Issuer's 2021 Incentive Equity Plan (the "Plan"), which will vest, subject to continued service through each vesting date, over a three-year period as follows: 1/3 on the first anniversary of September 25, 2026 (the "Initial Grant Date"), 1/3 on the second anniversary of the Initial Grant Date and 1/3 on the third anniversary of the Initial Grant Date. Each RSU represents the right to receive one common share upon vesting.

2. The Reporting Person was granted RSUs under the Plan, which will vest, subject to continued service through each vesting date, over a three-year period as follows: 1/3 on the first anniversary of September 28, 2026 (the "Special Grant Date"), 1/3 on the second anniversary of the Special Grant Date and 1/3 on the third anniversary of the Special Grant Date.

	/s/ Michelle Ancosky, Attorney-in-Fact	10/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR