Gwendolyn G. Mizell
CIK: 0001849779
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (13 total)
- May 7, 2026ROCK
GIBRALTAR INDUSTRIES, INC.
Award(A)Direct3.1K shares at avg. $37.59$115K - Feb 27, 2026AEE
AMEREN CORP
Tax Payment(F)Direct943 shares at avg. $113.28$107K - Feb 17, 2026AEE
AMEREN CORP
Sale(S)Direct3.5K shares at avg. $110.90$393K - Feb 5, 2026AEE
AMEREN CORP
Award(A)Direct2.3K shares- - Feb 5, 2026AEE
AMEREN CORP
Award(A)Direct865 shares- - Sep 3, 2025AEE
AMEREN CORP
Sale(S)Direct1.5K shares at avg. $99.50$149K - Aug 22, 2025AEE
AMEREN CORP
Sale(S)Direct1K shares at avg. $101.79$102K - May 12, 2025AEE
AMEREN CORP
Tax Payment(F)Direct1.1K shares at avg. $97.40$110K - Apr 30, 2025ROCK
GIBRALTAR INDUSTRIES, INC.
Award(A)Direct2.2K shares at avg. $52.95$115K - Feb 28, 2025AEE
AMEREN CORP
Tax Payment(F)Direct796 shares at avg. $101.56$81K - Feb 6, 2025AEE
AMEREN CORP
Award(A)Direct927 shares- - Feb 6, 2025AEE
AMEREN CORP
Award(A)Direct1.9K shares- - Dec 11, 2024AEE
AMEREN CORP
Gift(G)Direct1.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 7, 2026 |  ROCK GIBRALTAR INDUSTRIES, INC. | Award(A) | 3,059 | $37.59 | $114,988 | Direct |
| Feb 27, 2026 |  AEE AMEREN CORP | Tax Payment(F) | 943 | $113.28 | $106,823 | Direct |
| Feb 17, 2026 | AEE AMEREN CORP | Sale(S) | 3,548 | $110.90 | $393,473 | Direct |
| Feb 5, 2026 | AEE AMEREN CORP | Award(A) | 2,276 | - | $0 | Direct |
| Feb 5, 2026 | AEE AMEREN CORP | Award(A) | 865 | - | $0 | Direct |
| Sep 3, 2025 | AEE AMEREN CORP | Sale(S) | 1,500 | $99.50 | $149,250 | Direct |
| Aug 22, 2025 | AEE AMEREN CORP | Sale(S) | 1,000 | $101.79 | $101,790 | Direct |
| May 12, 2025 | AEE AMEREN CORP | Tax Payment(F) | 1,126 | $97.40 | $109,672 | Direct |
| Apr 30, 2025 | ROCK GIBRALTAR INDUSTRIES, INC. | Award(A) | 2,172 | $52.95 | $115,007 | Direct |
| Feb 28, 2025 | AEE AMEREN CORP | Tax Payment(F) | 796 | $101.56 | $80,842 | Direct |
| Feb 6, 2025 | AEE AMEREN CORP | Award(A) | 927 | - | - | Direct |
| Feb 6, 2025 | AEE AMEREN CORP | Award(A) | 1,920 | - | - | Direct |
| Dec 11, 2024 | AEE AMEREN CORP | Gift(G) | 1,469 | - | $0 | Direct |
1-13 of 13 transactions
About Mizell Gwendolyn G
Mizell Gwendolyn G (SEC CIK 0001849779) files insider reports with the SEC as Director of GIBRALTAR INDUSTRIES, INC. (ROCK) and AMEREN CORP (AEE).
Signal8 holds 11 ownership filings by Mizell Gwendolyn G, all Form 4s, filed between Dec 13, 2024 and May 8, 2026. Those filings report 13 transactions, from Dec 11, 2024 to May 7, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Mizell Gwendolyn G's filings is in ST LOUIS, MO.
Recent filings by Mizell Gwendolyn G
- May 7, 2026: Grant or award of ROCK shares (Form 4, code A).
- Feb 27, 2026: Tax withholding of AEE shares (Form 4, code F).
- Feb 17, 2026: Open-market sale of AEE shares (Form 4, code S).
- Feb 5, 2026: Grants or awards of AEE shares (2 lines, Form 4, code A).
- Sep 3, 2025: Open-market sale of AEE shares (Form 4, code S).
Other insiders filing for GIBRALTAR INDUSTRIES, INC. (ROCK)
- Shah Manish H, Director
- Watorek Jeffrey J., VP and Treasurer
- Catlett Janet Anne, VP, CHRO
- Bolanowski Katherine, General Counsel, VP, Secretary
- Lovechio Joseph A, VP and CFO
- Bosway William T, President and CEO