Proposed sale of 51,941 TMC shares after RSU vesting (NASDAQ: TMC)

Rhea-AI Filing Summary

TMC the metals Co Inc. submitted a Form 144 notice regarding the proposed sale of 51,941 shares of Common Stock that vested as restricted stock unit awards on 03/20/2026. The filing lists these shares as securities to be sold and notes they were granted under the issuer's equity compensation plan.

Insights

Compensation & Insider Transactions Analyst

Notice of proposed sale for vested RSUs totaling 51,941 shares.

The filing records 51,941 shares of Common Stock as "Securities To Be Sold" following the 03/20/2026 vesting of restricted stock unit awards granted under the company's equity compensation plan. The notice is a regulatory disclosure of intent to sell, not a confirmation of completed market transactions.

Timing and method of any sale are not specified in the excerpt; subsequent filings or broker reports would show whether and when the shares are actually sold. Cash‑flow treatment and buyer/receiving party are not stated in the provided excerpt.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Merrill Lynch 225 Liberty Street Floor 37 New York NY 10281	51941	246107.65	413492045	03/24/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	03/20/2026	Vesting of restricted stock unit awards	TMC the metals Co Inc.			51941	03/20/2026	Granted as part of issuer equity compensation plan

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does TMC's Form 144 disclose about the shares?

It discloses a proposed sale of 51,941 shares of Common Stock that vested from RSUs on 03/20/2026. The filing notes the awards were granted under the issuer's equity compensation plan and are listed as "Securities To Be Sold."

Does the Form 144 confirm the shares have been sold?

No, the Form 144 is a notice of a proposed sale and does not confirm completion. It lists the shares intended for sale after vesting on 03/20/2026; actual sale execution would appear in later transaction reports or broker records.

Were the 51,941 shares newly issued or part of an equity plan?

The filing states the shares were granted as part of the issuer's equity compensation plan and vested as restricted stock units on 03/20/2026, indicating they originated from a compensation award rather than a market purchase.

Where were these securities listed for sale according to the filing?

The securities are Common Stock intended to be sold on NASDAQ, with the vesting date shown as 03/20/2026. The Form 144 entry lists the securities to be sold but does not specify sale method or broker instructions in the excerpt.