| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
TMC sits in the Metals & Mining industry within the Materials sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 5.07M | $2.64M | - | |
| Other | 2.03M | $13.71M | - | |
| CFO | 1.77M | - | - | |
| 10% | 425.6K | $276.6K | - | |
| Dir | 374.8K | $194.9K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 2, 2025 | O'Sullivan Anthony49 | Chief Development Officer | Sell | 100,000 | $6.64 | $664,000.00 | -4.7% | -13.8% | - | |
| Sep 22, 2025 | Ilves Erika | Chief Strategy Officer | Sale+OE | 1,591,485 | $5.77 | $9,182,868.45 | -58.1% | +33.6% | -23.6% | |
| Aug 26, 2025 | O'Sullivan Anthony49 | Chief Development Officer | Sale+OE | 585,110 | $5.66 | $3,313,670.34 | - | -0.6% | -6.7% | |
| Jun 26, 2025 | May Brendan66 | Director | Sell | 69,204 | $7.53 | $521,433.13 | -25.9% | -14.2% | -40.8% | |
| May 22, 2025 | Allseas Group S.A. | 10% Owner | Buy | 2,333,333 | $0.00 | - | +4.4% | +8.6% | +25.6% | |
| May 21, 2025 | O'Sullivan Anthony49 | Chief Development Officer | Sell | 164,317 | $4.49 | $738,259.85 | -12.7% | +7.5% | - | |
| Apr 1, 2025 | Shesky Craig | Chief Financial Officer | Sell | 353,702 | $1.66 | $585,518.29 | -23.6% | +297.6% | +171.7% | |
| Mar 4, 2025 | May Brendan66 | Director | Sell | 8,916 | $1.67 | $14,889.72 | -7.6% | +136.9% | +260.7% | |
| Dec 30, 2024 | Ilves Erika | Chief Strategy Officer | Sell | 217,099 | $1.11 | $240,979.89 | -17.9% | +43.3% | +412.5% | |
| Dec 24, 2024 | May Brendan66 | Director | Buy | 25,000 | $0.87 | $21,870.00 | +33.3% | +102.5% | +766.8% |