Seidler Eric V 4

What Happened

• Eric V. Seidler, Senior Vice President of a subsidiary of Ameren Corporation (AEE), had 982 Ameren shares disposed (withheld) on Feb 27, 2026 at $113.28 per share, a value of approximately $111,241. This was a withholding to satisfy tax obligations related to vesting—not an open-market sale.

Key Details

• Transaction date: 2026-02-27; Filing date: 2026-03-03 (Form 4 accession 0002093862-26-000004).
• Shares withheld/disposed: 982; Price per share: $113.28; Total value: ~$111,241.
• Transaction code: F — shares withheld to satisfy tax withholding obligations from vesting of performance share units (PSUs) and restricted stock units (RSUs) (see footnote F2).
• Footnote F1 notes estimated share equivalents held in the Ameren Savings Investment Plan as of Feb 28, 2026.
• The filing does not state total shares owned by the reporting person after this withholding.

Context

• This was a tax-withholding disposal tied to vesting of equity awards (common corporate practice), not a market sale that signals trading intent. Such withholdings are routine and generally reflect tax payment mechanics rather than a change in insider sentiment.