Form 4 for TMC TMC the metals Co Inc.

Accepted 2026-03-26 00:00:00 ET · period of report 2026-03-24 · accession 0001104659-26-035390 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-03-26	2026-03-24+	TMC	Shesky Craig	CFO	S - Sale	$4.57	-345.6K	1.43M	-20%	-$1.58M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Shares	2026-03-25	S	D	78,186	$4.58	1,641,333	D	—	—	(F3) The price reflects the average selling price of the common shares sold. These common shares were sold in multiple transactions at prices ranging from $4.47 to $4.85 per common share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of common shares sold at each price.
2	Common	Common Shares	2026-03-24	S	D	51,941	$4.74	1,719,519	D	—	—	(F2) The price reflects the average selling price of the common shares sold. These common shares were sold in multiple transactions at prices ranging from $4.67 to $4.88 per common share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of common shares sold at each price.
3	Common	Common Shares	2026-03-26	S	D	215,492	$4.53	1,425,841	D	—	—	(F4) The price reflects the average selling price of the common shares sold. These common shares were sold in multiple transactions at prices ranging from $4.40 to $4.61 per common share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of common shares sold at each price.