Richard J. Mark - 10 Feb 2022 Form 4 Insider Report for AMEREN CORP (AEE)

Role: Chmn & President of Subsidiary
Signature: Jonathan T. Shade, Asst. Secy. of Ameren Corporation, attorney-in-fact for Richard J. Mark
Issuer symbol: AEE
Transactions as of: 10 Feb 2022
Transactions value $: $0
Form type: 4
Date filed: 14 Feb 2022, 20:53
Previous filing: 02 Mar 2022
Next filing: 10 Mar 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AEE	Common Stock, $.01 Par Value	Award	$0	+14.5K	+9.76%	$0.00	163K	10 Feb 2022	Direct	F2
transaction	AEE	Common Stock, $.01 Par Value	Award	$0	+3.41K	+2.08%	$0.00	167K	10 Feb 2022	Direct	F3, F4
holding	AEE	Common Stock, $.01 Par Value						13.7K	10 Feb 2022	By 401(K)	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the estimated number of share equivalents held by the reporting person in the unitized stock fund included in the Ameren Corporation Savings Investment Plan as of January 31, 2022.
F2	Shares acquired upon vesting of previously granted performance share units.
F3	These restricted stock units were granted under the issuer's 2014 Omnibus Incentive Compensation Plan and are scheduled to vest upon the payment date in 2025, which shall be no later than March 15, 2025, subject to the terms of the Plan and the applicable award agreement issued thereunder.
F4	Amount includes 89 shares acquired through reinvested dividends during the second through fourth quarters of 2021, as well as 231 accrued dividend equivalents acquired during the second through fourth quarters of 2021 pursuant to a dividend reinvestment feature of restricted stock units granted under the Plan.