Insider filing · TMC
Anthony O'Sullivan
Chief Development Officer
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TMC the metals company Inc.
TMC · Basic Materials · 11 filings in 24 months
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Anthony O'Sullivan sold $738K of TMC the metals (TMC)
Executed May 21 2025, disclosed May 21 2025, the same day.
Value, as filed
$738K
164,317 sh × $4.49
Executed
May 21 2025
the trade date, as filed
Disclosed
May 21 2025
0 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
ASAnthony O'Sullivan (Chief Development Officer) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in TMC the metals company Inc. (TMC). The largest single filing was $664K of TMC (100,000 sh across 2 lots, as filed), executed Nov 28 2025.
The name
TMCBasic Materials · TMC the metals company Inc., a deep-sea minerals exploration company, focuses on the collection, processing, and refining of polymetallic n…
More Basic Materials filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by Anthony O'Sullivan in TMC
TMCSALE
TMC the metals company Inc.
$664K100,000 sh across 2 lots
Exec Nov 28 2025
Filed Dec 2 2025 · 5:30 PM ET TMCSALE TMC the metals company Inc. $3.3M
585,110 sh across 4 lots
Exec May 27 2025
Filed Aug 28 2025 · 5:30 PM ET †