TMC the metals (TMC) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
TMC the metals insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 3 sold $2.4M of TMC stock on the open market.
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TMC insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | — | 0 |
| Q2 2026 | — | 0 | $133K | 1 |
| Q1 2026 | — | 0 | $1.6M | 3 |
| Q4 2025 | — | 0 | $664K | 2 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 TMC the metals Co Inc. insiders reported open-market purchases totaling $0, while 3 insiders reported sales totaling $2.4M. 0 of 6 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Jul 7SEC | Edward Heerema10% Owner | Buy | 7,305,56762,419,168 held (+13%) | — | $0 | — | — |
| Jun 2SEC | Brendan MayDirector | Sell | 20,768193,346 held (−10%) | $6.42 | $133K | -47.7% | — |
| Mar 26SEC | Craig SheskyCFO | Sell | 215,4921,425,841 held (−13%) | $4.53 | $976K | -25.9% | — |
| Mar 26SEC | Craig SheskyCFO | Sell | 78,1861,641,333 held (−5%) | $4.58 | $358K | -26.7% | — |
| Mar 26SEC | Craig SheskyCFO | Sell | 51,9411,719,519 held (−3%) | $4.74 | $246K | -29.2% | — |
| Dec 2SEC | Anthony O'sullivanChief Development Officer | Sell | 50,0002,025,667 held (−2%) | $6.77 | $338K | -50.4% | — |
| Dec 2SEC | Anthony O'sullivanChief Development Officer | Sell | 50,0002,075,667 held (−2%) | $6.51 | $326K | -48.5% | — |
Insiders at TMC the metals Co Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Craig SheskyCFO | — | $1.6M | Mar 26, 2026 | — |
| Anthony O'sullivanChief Development Officer | — | $664K | Dec 2, 2025 | — |
| Brendan MayDirector | — | $133K | Jun 2, 2026 | — |
| Edward Heerema10% Owner | — | — | Jul 7, 2026 | — |
TMC stock: common questions
Are TMC the metals Co Inc. insiders buying TMC stock?
In the past 12 months, 0 insiders reported open-market purchases of TMC worth $0. The latest was 10% Owner Edward Heerema bought $0 of TMC.
Are TMC the metals Co Inc. insiders selling TMC stock?
3 insiders reported sales worth $2.4M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is TMC's 52-week range?
Over the past year TMC has traded between $3.35 and $10.69. It last closed at $3.35 on Oct 9, 2026.