STLDSteel Dynamics, Inc.
Basic Materials · SteelNasdaqStockMkt cap $34.5B
Disclosed trades
2
0 in 30d · 0 in 90d
Politicians
2
Last trade Mar 27, 2026
Buys
2
$16K at range midpoints
Sells
0
$0 at range midpoints
Closing price · 365 days
Sep 24, 2025 – Sep 23, 2026
Monthly buys vs sells · 24 months
Counts of disclosed transactions
- Buys
- Sells (incl. partial)
Politicians who traded it
2 hold it now Estimated
| Politician | Seat | Trades | Buys | Sells | Bought (mid) | Sold (mid) | Last trade | Est. position Estimated |
|---|---|---|---|---|---|---|---|---|
| RAlan Armstrong | Senate · OK | 1 | 1 | 0 | $8K | $0 | Mar 27, 2026 | $11K |
| DGilbert Ray Cisneros, Jr. | House · CA-31 | 1 | 1 | 0 | $8K | $0 | Jan 9, 2026 | $11.1K |
Recent trades
| Politician | Ticker | Asset | Type | Owner | Amount | Traded | Filed | Source |
|---|---|---|---|---|---|---|---|---|
| RAlan Armstrong | STLD | Steel Dynamics, Inc. - Common Stock | Buy | Self | $1,001 - $15,000 | Mar 27, 2026 | Jul 21, 2026116d | Filing |
| DGilbert Ray Cisneros, Jr. | STLD | Steel Dynamics, Inc. - Common Stock (STLD) | Buy | Self | $1,001 - $15,000 | Jan 9, 2026 | Feb 13, 202635d | Filing |
Insider activity Filed
Insiders
20
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
Open-market buys · 90d
0
$0 bought
Open-market sells · 90d
0
$0 sold
Net · 90d
$0
-$8.9M net over 12 months · last Aug 13, 2026
| Date | Insider | Kind | Security | Shares | Price | Value | Post-holdings | D/I | 10b5-1 | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026filed Aug 14, 2026 | Jennifer L HamannEVP & CHIEF FINANCIAL OFFICER | Award | Common Stock | 72 | $0.00 | $0 | 5,376 | D | — | 4 |
| Jul 28, 2026filed Jul 28, 2026 | Mark D MillettChairman and CEO | Gift | Common Stock | −300 | $0.00 | $0 | 3,016,401 | D | — | 4 |
| Jul 10, 2026filed Jul 14, 2026 | Luis Manuel Sierra | Award | Common Stock | 7 | $0.00 | $0 | 11,523 | D | — | 4 |
| Jul 10, 2026filed Jul 14, 2026 | Bradley S Seaman | Award | Common Stock | 109 | $0.00 | $0 | 51,600 | D | — | 4 |
| Jul 10, 2026filed Jul 14, 2026 | Jennifer L HamannEVP & CHIEF FINANCIAL OFFICER | Award | Common Stock | 18 | $0.00 | $0 | 5,304 | D | — | 4 |
| Jul 10, 2026filed Jul 14, 2026 | Traci M Dolan | Award | Common Stock | 102 | $0.00 | $0 | 58,970 | D | — | 4 |
| Jul 10, 2026filed Jul 14, 2026 | Kenneth W. Cornew | Award | Common Stock | 2 | $0.00 | $0 | 32,013 | D | — | 4 |
| Jul 10, 2026filed Jul 14, 2026 | Sheree L Bargabos | Award | Common Stock | 43 | $0.00 | $0 | 27,105 | D | — | 4 |
| Jun 5, 2026filed Jun 8, 2026 | James Stanley AndersonSenior Vice President | Sale | Common Stock | −322 | $269.93 | $86,917 | 102,837 | D | — | 4 |
| Jun 5, 2026filed Jun 8, 2026 | James Stanley AndersonSenior Vice President | Sale | Common Stock | −4,401 | $269.22 | $1,184,837 | 103,159 | D | — | 4 |
Shares, prices and post-transaction holdings are exactly as reported on SEC Form 4. Net figures count open-market buys minus open-market sales only (awards, exercises, withholding and gifts are excluded).
Unusual activity Estimated
- 63Well timedMar 27, 2026
Sen. Alan Armstrong's STLD buy is up 38% after 30 days
Details
- Politician
- Alan Armstrong
- Ticker
- STLD
- Asset
- Steel Dynamics, Inc. - Common Stock
- Tx type
- buy
- Tx date
- Mar 27, 2026
- Filing date
- Jul 21, 2026
- Amount low
- $1,001
- Amount high
- $15,000
- Amount mid
- $8,001
- Disclosed range
- $1,001 - $15,000
- Reporting lag days
- 116
- Is whale
- No
- Entry date
- Mar 27, 2026
- Entry close
- 170.97
- Exit date
- May 11, 2026
- Exit close
- 235.97
- Forward return
- +38.0%
- Sign adjusted return
- +38.0%
- N trading days
- 30