Updated Jul 16, 2026
Mizell Gwendolyn G has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $645K.

| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-08 | ROCK | GIBRALTAR INDUSTRIES, INC. | A — Grant or award | 3.1K | $37.59 | $115K |
| 2026-03-03 | AEE | AMEREN CORP | F — Tax withholding / forfeiture | 943 | $113.28 | $107K |
| 2026-02-19 | AEE | AMEREN CORP | S — Open-market sale | 3.5K | $110.90 | $393K |
| 2026-02-10 | AEE | AMEREN CORP | A — Grant or award | 2.3K | $0.00 | |
| 2026-02-10 | AEE | AMEREN CORP | A — Grant or award | 865 | $0.00 | |
| 2025-09-03 | AEE | AMEREN CORP | S — Open-market sale | 1.5K | $99.50 | $149K |
| 2025-08-22 | AEE | AMEREN CORP | S — Open-market sale | 1.0K | $101.79 | $102K |
| 2025-05-12 | AEE | AMEREN CORP | F — Tax withholding / forfeiture | 1.1K | $97.40 | $110K |
| 2024-12-13 | AEE | AMEREN CORP | G — Bona-fide gift | 1.5K | $0.00 |
Mizell Gwendolyn G is a corporate insider — currently tracked as Director of GIBRALTAR INDUSTRIES, INC. (ROCK). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($645K) across all tracked filings.
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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