Gwendolyn G. Mizell

Companies

• Gibraltar IndustriesBoard member Mar 8, 2021 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• GIGibraltar Industries ROCK12,734 shares²$486.2K at $38.18May 7, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 7, 2026Granted 3,059 shares at $37.59 of Gibraltar Industries²
• Feb 27, 2026Shares withheld for tax 943 shares at $113.28 of Ameren³
• Feb 17, 2026Sold 3,548 shares at $110.90 of Ameren⁴
• Feb 5, 2026Granted 2,276 shares of Ameren⁵
• Feb 5, 2026Granted 865 shares of Ameren⁵
• Sep 3, 2025Sold 1,500 shares at $99.50 of Ameren⁶
• Aug 22, 2025Sold 1,000 shares at $101.79 of Ameren⁷
• May 12, 2025Shares withheld for tax 1,126 shares at $97.40 of Ameren⁸
• Apr 30, 2025Granted 2,172 shares at $52.95 of Gibraltar Industries⁹
• Feb 28, 2025Shares withheld for tax 796 shares at $101.56 of Ameren¹⁰
• Feb 6, 2025Granted 1,920 shares of Ameren¹¹
• Feb 6, 2025Granted 927 shares of Ameren¹¹
• Dec 11, 2024Gift 1,469 shares of Ameren¹²
• May 1, 2024Granted 1,670 shares at $68.86 of Gibraltar Industries¹³
• Feb 29, 2024Shares withheld for tax 363 shares at $71.19 of Ameren¹⁴
• Feb 8, 2024Granted 790 shares of Ameren¹⁵
• Feb 8, 2024Granted 1,132 shares of Ameren¹⁵
• May 3, 2023Granted 2,117 shares at $54.33 of Gibraltar Industries¹⁶
• Feb 28, 2023Shares withheld for tax 611 shares at $82.71 of Ameren¹⁷
• Feb 9, 2023Granted 1,688 shares of Ameren¹⁸
• Feb 9, 2023Granted 880 shares of Ameren¹⁸
• May 6, 2022Granted 2,460 shares at $42.69 of Gibraltar Industries¹⁹