Leon David A. De

Companies

• Alliant EnergySenior Vice President Jan 9, 2019 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

• Alliant Energy LNT49,987 shares²$3.4M at $67.03Feb 23, 2026

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

Recent filings

• Feb 19, 2026Shares withheld for tax 5,207 shares at $70.01 of Alliant Energy²
• Feb 19, 2026Granted 2,306 shares of Alliant Energy²
• Feb 19, 2026Granted 8,616 shares of Alliant Energy²
• Feb 20, 2025Shares withheld for tax 2,560 shares at $61.62 of Alliant Energy³
• Feb 20, 2025Granted 2,532 shares of Alliant Energy³
• Feb 20, 2025Granted 3,256 shares of Alliant Energy³
• May 7, 2024Granted 465 shares of Alliant Energy⁴
• Feb 15, 2024Shares withheld for tax 4,269 shares at $48.40 of Alliant Energy⁵
• Feb 15, 2024Granted 2,386 shares of Alliant Energy⁵
• Feb 15, 2024Granted 6,981 shares of Alliant Energy⁵
• Feb 23, 2023Shares withheld for tax 3,874 shares at $52.99 of Alliant Energy⁶
• Feb 23, 2023Granted 2,179 shares of Alliant Energy⁶
• Feb 23, 2023Granted 6,457 shares of Alliant Energy⁶
• Feb 25, 2022Shares withheld for tax 4,300 shares at $57.87 of Alliant Energy⁷
• Feb 17, 2022Granted 1,898 shares of Alliant Energy⁸
• Feb 17, 2022Granted 7,526 shares of Alliant Energy⁸
• Dec 31, 2021Exercised options 1,599 shares of Alliant Energy⁹