๐Ÿ•ต๏ธ TMC the Metals Co Inc. ($TMC)

SEC insider & ownership activity, last 12 months ยท CIK 1798562 ยท every row links its SEC filing

Over the last 12 months insiders sold $14.9M with no open-market buying against it. Ilves Erika sold $9.2M in discretionary trades (Sep). No red-flag 8-Ks in the window.

๐Ÿšจ 2 signals active โ€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Aug 2025: net -$1.3M Sep 2025: net -$9.2M Oct 2025: net +$0 Nov 2025: net -$326K Dec 2025: net -$338K Jan 2026: net +$0 Mar 2026: net -$1.6M Mar 2026: net -$1.6M Apr 2026: net +$0 May 2026: net +$0 Jun 2026: net -$133K Jul 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

1 buyer, $0 (1 lots) ยท 4 sellers, $14.9M (11 lots)

InsiderBuysBoughtSellsSoldLast
Ilves Erika0โ€“ 1$9.2MSep 22, 2025
O'Sullivan Anthony0โ€“ 6$4.0MDec 2, 2025
Shesky Craig0โ€“ 3$1.6MMar 26, 2026
May Brendan0โ€“ 1$133KJun 2, 2026
Allseas Group S.A.1โ€“ 0โ€“Jul 1, 2026

5%+ holders

HolderStakeClassScheduleEvent
Argentum Cedit Virtuti Nv 15.6% 13DJul 1, 2026 filing โ†—
Stichting Administratiekantoor Aequa Lance Foundation 15.6% 13DJul 1, 2026 filing โ†—
Edward Heerema 15.6% 13DJul 1, 2026 filing โ†—
Allseas Investments S.a. 15.4% 13DJul 1, 2026 filing โ†—
Allseas Group S.A. 15.4% 13DJul 1, 2026 filing โ†—
Korea ZINC Company, Ltd. 7.2% 13GJul 2, 2025 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
May Brendan$133KJun 2, 2026 filing โ†—
Shesky Craig$977KMar 26, 2026 filing โ†—
Shesky Craig$358KMar 25, 2026 filing โ†—
Shesky Craig$246KMar 24, 2026 filing โ†—
Ilves Erika$9.2MSep 22, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Shareholder vote (5.07)May 28, 2026 filing โ†—
Reg FD disclosure (7.01)May 26, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 26, 2026 filing โ†—
Earnings (2.02)May 14, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 14, 2026 filing โ†—
Reg FD disclosure (7.01)Apr 28, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 28, 2026 filing โ†—
Earnings (2.02)Mar 27, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 27, 2026 filing โ†—
Reg FD disclosure (7.01)Mar 6, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 6, 2026 filing โ†—
Reg FD disclosure (7.01)Jan 22, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 22, 2026 filing โ†—
Charter/bylaw changes (5.03)Jan 1, 2026 filing โ†—
Other events (8.01)Jan 1, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jan 1, 2026 filing โ†—
Earnings (2.02)Nov 13, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 13, 2025 filing โ†—
Earnings (2.02)Aug 14, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Aug 14, 2025 filing โ†—
Material agreement (1.01)Aug 4, 2025 filing โ†—
New financial obligation (2.03)Aug 4, 2025 filing โ†—
Reg FD disclosure (7.01)Aug 4, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Aug 4, 2025 filing โ†—
Reg FD disclosure (7.01)Aug 4, 2025 filing โ†—
Other events (8.01)Aug 4, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Aug 4, 2025 filing โ†—