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sellModerate

Anthony O'Sullivan sold $738k of TMC

Chief Development Officer at TMC the metals Co Inc.. 164,317 shares at an average of $4.49, traded May 21, 2025, filed May 21, 2025.

Warning score
41
Value
$738k
164,317 shares
Holdings after
1,125,667
-13% from before
From 52-week low
+506%
low $0.73, close $4.39
From 52-week high
-2%
high $4.47, as of May 21, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $738k at market
    +21
  • Share of holdings sold
    Sold 13% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

TMCOct 9, 2026 · close 3.36
Since filing May 21, 2025: -23.6%SPY +35.8% · excess -59.4%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001104659-25-051697, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 21, 2025SOpen-market sale
Common Shares
-164,317$4.49$738k1,125,667May 21, 2025

Related signals

Other insiders at TMC the metals Co Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
35Weak
TMCsell
TMC the metals Co Inc.
Anthony O'Sullivan
Chief Development Officer
$664k
100,000 shares
-5%
45Moderate
TMCsell
TMC the metals Co Inc.
Erika ILVES
Chief Strategy Officer
$9.2M
1,591,485 shares
-58%
45Moderate
TMCsell
TMC the metals Co Inc.
Anthony O'Sullivan
Chief Development Officer
$3.3M
585,110 shares
-175%
43Moderate
TMCsell
TMC the metals Co Inc.
Brendan May
director
$521k
69,204 shares
-26%
46Moderate
TMCsell
TMC the metals Co Inc.
Craig Shesky
Chief Financial Officer
$586k
353,702 shares
-24%
33Weak
TMCsell
TMC the metals Co Inc.
Erika ILVES
Chief Strategy Officer
$241k
217,099 shares
-18%
21Weak
TMCbuy
TMC the metals Co Inc.
Brendan May
director
$22k
25,000 shares
+33%
36Weak
TMCsell 2
TMC the metals Co Inc.
Craig Shesky
Chief Financial Officer
$40k
47,523 shares
-5%
40Moderate
TMCsell 2
TMC the metals Co Inc.
Andrew Hall
director
$62k
66,000 shares
-27%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Anthony O'Sullivan sold $738k of TMC | InsiderTell