Transaction · 0001190099-26-000004

LYONS MARTIN J

LYONS MARTIN J, CHAIR, PRES, CEO, reported an open-market or private sale at AMEREN CORP involving 26818.000000 shares for an estimated $2999325.12. Reported holdings after the transaction were 282681.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCHAIR, PRES, CEO
AEEAMEREN CORP
Filing timeMar 03
Trade dateMar 03, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$112.90
Pre-filing
1mo ago -10.7%1w ago -9.3%1d ago +0.0%
Returns since
7d +0.0%30d -1.9%90d -6.9%180d -6.0%1y -6.0%

AEE price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
AEE since 2026-03-03Filed 184 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001190099-26-000004
Common Stock, $.01 Par Value
Transaction date
Mar 03, 2026
Filed Mar 03, 2026, 12:00 AM · 0d delay
Shares
26.8k sh
$11.1k per share
Estimated value
-$299M
Computed from shares × price
Holdings after
282k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Large Sale 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chairman, President & CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. 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 February 28, 2026.

  2. F2

    Shares withheld by the issuer to satisfy tax withholding obligations arising in connection with the vesting of performance share units and restricted stock units.

  3. F3

    Shares sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Original filing · 0001190099-26-000004
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

AEE