Insider Ledger

TMC insider buying and SEC filings, explained

TMC the metals Co Inc. · CIK 1798562

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Insider activity in the last 12 months

Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$2.4M
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Jul 1, 2026Purchase (code P)Edward Heerema (10% owner) bought 7,305,567 shares; the filing does not report a price. Holdings up 13% to 62,419,168 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 4 other reporting owners.SEC filing
Filed Jul 7, 2026
Jun 2, 2026SaleBrendan May (Director) sold 20,768 shares at $6.42 ($133K). Holdings down 10% to 193,346 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 2, 2026
Mar 24–26, 2026SaleCraig Shesky (CFO) sold 345,619 shares between Mar 24 and Mar 26 at about $4.57 ($1.6M). Holdings down 20% to 1,425,841 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 26, 2026
Nov 28–Dec 2, 2025SaleAnthony O'Sullivan (Chief Development Officer) sold 100,000 shares between Nov 28, 2025 and Dec 2, 2025 at about $6.64 ($664K). Holdings down 5% to 2,025,667 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Dec 2, 2025

17 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

Follow TMC in the Insider Ledger app

A plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.

Get the app