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Insider · CIK 0001524409

Joseph Sinkule

ceoofficerdirector

Files at GRML (Greenland Mines Ltd). First filing -, latest -.

Joseph Sinkule files SEC Form 4 as CEO and director at GRML (Greenland Mines Ltd). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.

A track record needs three past buys with six months of prices behind them; Joseph Sinkule has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 4 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Mar 4, 2026GRML
Greenland Mines Ltd
AGrant or award
Common Stock
+2,500,000--6,346,700Mar 6, 2026
Sep 25, 2025GRML
Greenland Mines Ltd
JOther
Common Stock
+400,000--4,846,700Sep 29, 2025
Jul 22, 2025GRML
Greenland Mines Ltd
JOther
Common Stock
-2,000,000--3,909,520Aug 8, 2025
Aug 5, 2025GRML
Greenland Mines Ltd
AGrant or award
Common Stock
+537,180--4,446,700Aug 8, 2025

Questions about Joseph Sinkule

Answered from the filings on this page, as of the latest one.

Is Joseph Sinkule buying or selling?

Joseph Sinkule has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Joseph Sinkule's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Joseph Sinkule has 0.

Where does Joseph Sinkule file Form 4?

Joseph Sinkule has filed Form 4 at GRML (Greenland Mines Ltd) as Chief Executive Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.

Joseph Sinkule: insider trades and track record | InsiderTell