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Quantellect · Congress · Trade Detail
NASDAQ: STLDSteel Dynamics Inc
RepublicanSenate

Alan Armstrong bought Steel Dynamics Inc (NASDAQ: STLD)

Alan Armstrong (R-OK), a U.S. Senator, has disclosed 1 trade in Steel Dynamics Inc (STLD) since 2026, a single purchase, worth an estimated $8K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).

The trade highlighted here is a purchase: Alan Armstrong bought $1,001 - $15,000 of Steel Dynamics Inc (NASDAQ: STLD) on March 27, 2026. Since that trade, STLD is up +48.05% against the S&P 500 up +15.04%, an outperformance of +33.01%.

Data updated

STLD trades
1
Disclosed Vol
$8K
Buys
1
100%
Sells
0
0%
Buy / Sell
All buys
ratio
First → Last
2026

Alan Armstrong's STLD trades vs the price

STLD is up +48.05% since Alan Armstrong bought on March 27, 2026, versus +15.04% for the S&P 500.

Performance since this trade

Price change since trade
+48.05%
S&P 500 change since trade
+15.04%
Outperformance vs S&P 500
+33.01%

All Alan Armstrong STLD trades

TradedTypeSizeReturnEst. profit
March 27, 2026BUY$170.44+48.05%+$4K

Estimated profit is shown for buys only, marked to the latest close. It is an estimate and does not net later sells, taxes, or fees.

Alan Armstrong & STLD trading FAQ

Is it legal for Alan Armstrong to trade Steel Dynamics Inc (STLD) stock?

Yes. Members of Congress are allowed to trade individual stocks, including Steel Dynamics Inc (STLD), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; this page does not imply the trade was improper.

When did Alan Armstrong buy STLD?

Alan Armstrong disclosed a purchase of $1,001 - $15,000 of Steel Dynamics Inc (STLD) on March 27, 2026, according to public STOCK Act filings.

How has STLD performed since Alan Armstrong's trade?

Since Alan Armstrong bought STLD on March 27, 2026, the stock is up +48.05%, versus +15.04% for the S&P 500 over the same period, an outperformance of +33.01%.

How soon must members of Congress disclose a trade?

Under the STOCK Act, members of Congress must publicly report a covered transaction within 45 days of the trade. Filings can still be delayed, amended, or contain errors.

Where can I see all congressional STLD trades?

Quantellect tracks every disclosed congressional trade in Steel Dynamics Inc (STLD) on the Steel Dynamics Inc congressional trading page, which aggregates filings across all members of Congress.

Alan Armstrong's STLD tradesAll congressional filings for Steel Dynamics IncAlan Armstrong's full profile

Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. Estimated prices and post-trade returns are derived algorithmically from public filings and end-of-day market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.