Insiders sold $2.38M and bought nothing on the open market.
None of the selling was scheduled in advance under a 10b5-1 plan. Chief Financial Officer Craig Shesky sold $1.58M on Mar 26, 20% of their stake, outside a plan. The last open-market buy by an executive or director was in Dec 2024.
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Trades · last 2 years
| Date | Insider | Trade | Shares | Price | Value | Of their stake | Filing |
|---|---|---|---|---|---|---|---|
| Jul 1 | Edward Heerema Large holder | Bought | 7,305,567 | — | — | 13% | Form 4 |
| Jun 2 | Brendan May Director | SoldNo plan | 20,768 | $6.42 | 133K | 9.7% | Form 4 |
| Mar 24 – 26 | Craig Shesky Chief Financial Officer | SoldNo plan 3 parts | 345,619 | $4.57 average | $1.58M | 20% | Form 4 |
| Nov 28, 2025 – Dec 2, 2025 | Anthony O'Sullivan Chief Development Officer | SoldNo plan 2 parts | 100,000 | $6.64 average | 664K | 4.7% | Form 4 |
| Sep 22, 2025 | Erika Ilves Chief Strategy Officer | SoldNo plan | 1,591,485 | $5.77 | $9.18M | 25% | Form 4 |
| May 27, 2025 – Aug 26, 2025 | Anthony O'Sullivan Chief Development Officer | SoldNo plan 4 parts | 585,110 | $5.66 average | $3.31M | 30% | Form 4 |
| Jun 25, 2025 – Jun 26, 2025 | Brendan May Director | SoldNo plan 2 parts | 69,204 | $7.53 average | 521K | 26% | Form 4 |
| May 22, 2025 | Stichting Administratiekantoor Aequa Lance Foundation Large holder | Bought | 2,333,333 | — | — | 4.4% | Form 4 |
| May 21, 2025 | Anthony O'Sullivan Chief Development Officer | SoldNo plan | 164,317 | $4.49 | 738K | 9.8% | Form 4 |
| Apr 1, 2025 | Craig Shesky Chief Financial Officer | SoldNo plan | 353,702 | $1.66 | 587K | 24% | Form 4 |
| Mar 4, 2025 | Brendan May Director | SoldNo plan | 8,916 | $1.67 | 15K | 7.6% | Form 4 |
| Dec 30, 2024 | Erika Ilves Chief Strategy Officer | SoldNo plan | 217,099 | $1.11 | 241K | 18% | Form 4 |
| Dec 24, 2024 | Brendan May Director | Bought | 25,000 | $0.87 | 22K | 33% | Form 4 |
| Nov 27, 2024 | Craig Shesky Chief Financial Officer | SoldNo plan | 47,523 | $0.85 | 40K | 4.6% | Form 4 |
| Nov 19, 2024 | Andrew Hall Director | SoldNo plan | 66,000 | $0.93 | 61K | 27% | Form 4 |
- Jul 1Edward HeeremaLarge holder · bought 7,305,567—13% of stake
- Jun 2No planBrendan MayDirector · sold 20,768 at $6.42133K9.7% of stake
- Mar 24 – 26No planCraig SheskyChief Financial Officer · sold 345,619 at avg $4.57$1.58M20% of stake
- Nov 28, 2025 – Dec 2, 2025No planAnthony O'SullivanChief Development Officer · sold 100,000 at avg $6.64664K4.7% of stake
- Sep 22, 2025No planErika IlvesChief Strategy Officer · sold 1,591,485 at $5.77$9.18M25% of stake
- May 27, 2025 – Aug 26, 2025No planAnthony O'SullivanChief Development Officer · sold 585,110 at avg $5.66$3.31M30% of stake
- Jun 25, 2025 – Jun 26, 2025No planBrendan MayDirector · sold 69,204 at avg $7.53521K26% of stake
- May 22, 2025Stichting Administratiekantoor Aequa Lance FoundationLarge holder · bought 2,333,333—4.4% of stake
- May 21, 2025No planAnthony O'SullivanChief Development Officer · sold 164,317 at $4.49738K9.8% of stake
- Apr 1, 2025No planCraig SheskyChief Financial Officer · sold 353,702 at $1.66587K24% of stake
- Mar 4, 2025No planBrendan MayDirector · sold 8,916 at $1.6715K7.6% of stake
- Dec 30, 2024No planErika IlvesChief Strategy Officer · sold 217,099 at $1.11241K18% of stake
- Dec 24, 2024Brendan MayDirector · bought 25,000 at $0.8722K33% of stake
- Nov 27, 2024No planCraig SheskyChief Financial Officer · sold 47,523 at $0.8540K4.6% of stake
- Nov 19, 2024No planAndrew HallDirector · sold 66,000 at $0.9361K27% of stake
Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.
Peers
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Held by ETFs
TMC is in 9 US ETFs. The largest of them, with TMC's weight in each:
Fidelity Nasdaq Composite Index ETFONEQ0.01%of the fund
Vanguard Materials Index Fund ETF SharesVAW0.05%of the fund
iShares MSCI Global Metals & Mining Producers ETFPICK0.04%of the fund
SPDR S&P International Small Cap ETFGWX0.05%of the fund
State Street SPDR S&P North American Natural Resources ETFNANR0.02%of the fund
Fidelity MSCI Materials Index ETFFMAT0.05%of the fund
Spot a number that looks wrong? Check it in TMC's SEC filings or
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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.
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