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Insider · CIK 0001183048

William D Johnson

director

Files at NI (NISOURCE INC.), IMSR (Terrestrial Energy Inc. /DE/). First filing -, latest -.

In brief

William D Johnson files SEC Form 4 as director at NI (NISOURCE INC.), and also at IMSR (Terrestrial Energy Inc. /DE/). 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; William D Johnson 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, 5 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 11, 2026NI
NISOURCE INC.
AGrant or award
Common Stock
+3,807$47.03$179k28,431May 13, 2026
Dec 18, 2025IMSR
Terrestrial Energy Inc. /DE/
AGrant or award
Restricted Stock Unitsderivative
+1,029$0.00$06,894Jan 9, 2026
Dec 18, 2025IMSR
Terrestrial Energy Inc. /DE/
AGrant or award
Restricted Stock Unitsderivative
+5,865$0.00$05,865Dec 22, 2025
Dec 18, 2025IMSR
Terrestrial Energy Inc. /DE/
AGrant or award
Resricted Stock Unitsderivative
+1,720$0.00$07,585Dec 22, 2025
May 12, 2025NI
NISOURCE INC.
AGrant or award
Common Stock
+4,541$38.32$174k24,009May 14, 2025

Questions about William D Johnson

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

Is William D Johnson buying or selling?

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

How did William D Johnson's past buys perform?

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

Where does William D Johnson file Form 4?

William D Johnson has filed Form 4 at NI (NISOURCE INC.); IMSR (Terrestrial Energy Inc. /DE/). 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.

William D Johnson: insider trades and track record | InsiderTell