Profile
| Role | Insider |
|---|---|
| Notability | 20/100 |
Board memberships
- Great Lakes Dredge & Dock Corp
Updated Jul 16, 2026
Armstrong Dana A is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-02 | EE | Excelerate Energy, Inc. | F — Tax withholding / forfeiture | 2.0K | $33.31 | $66K |
| 2026-04-01 | GLDD | Great Lakes Dredge Dock CORP | J — Other acquisition / disposition | 8.4K | — | |
| 2026-03-10 | EE | Excelerate Energy, Inc. | A — Grant or award | 16.7K | $0.00 | |
| 2026-03-10 | EE | Excelerate Energy, Inc. | F — Tax withholding / forfeiture | 5.4K | $38.48 | $208K |
| 2026-02-20 | EE | Excelerate Energy, Inc. | F — Tax withholding / forfeiture | 6.4K | $41.78 | $265K |
| 2026-02-20 | EE | Excelerate Energy, Inc. | A — Grant or award | 17.2K | $0.00 | |
| 2026-01-05 | GLDD | Great Lakes Dredge Dock CORP | A — Grant or award | 1.8K | $0.00 | |
| 2025-09-30 | GLDD | Great Lakes Dredge Dock CORP | A — Grant or award | 2.0K | $0.00 | |
| 2025-06-30 | GLDD | Great Lakes Dredge Dock CORP | A — Grant or award | 2.0K | $0.00 |
Armstrong Dana A is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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