Insider trade

CEO sold ~$3M of AEE shares in the open market

Traded Mar 3, 2026 · Filed Mar 3, 2026

AmerenAEE

~$3M
Reported value · 27K sh @ $111.84: 283K
Holds after · shares reported: -11.0%
stock since the trade · S&P 500 +12.3%, $111.99 → $99.64 on Oct 1

Why it stands out

The boss of Ameren sold $3M of Ameren shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Mar 3, 2026
Reporting period: Not applicable
Filed with the SEC: Mar 3, 2026

CEO$1M+Pre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$2,999,325

Shares × reported transaction price

Timing vs results

20 days after results of Feb 11, 2026, 63 days before results of May 5, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $111.99 on Mar 3, 2026, within 2% of its 52-week high, after an 8% rise over the previous 30 trading days

52-week range $94.23 (Apr 8, 2025) to $113.28 (Feb 27, 2026), 93% of the way up, from 251 adjusted closes. 30 trading days earlier: $104.00 on Jan 16, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-3.5%	-1.3%	-2.2%
30 days	-1.7%	-3.8%	+2.1%
90 days	-5.8%	+10.9%	-16.6%
180 days	-6.5%	+12.0%	-18.4%

Past results only. Not a forecast.

Source receipt

Record ID: 0001190099-26-000004
Filed / recorded: Mar 3, 2026, 9:47 PM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: AMEREN CORP
Issuer CIK: 1002910
Ticker: AEE
Reporting person: Martin J Lyons
Relationship: Director, Officer
Officer title: Chairman, President & CEO
Security: Common Stock, $.01 Par Value
Table: Non-derivative (Table I)
Transaction date: Mar 3, 2026
Transaction code: S
Shares / units: 26,818
Price per share: $111.84
Acquired / disposed: Disposed (D)
Shares owned after: 282,681
Ownership form: Direct
Amendment: No

Footnotes from the filing

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

Around the same time

Officer sold7mo ago

~$147KReported value · 1,300 sh @ $113.31

28K → 26K shares held−5% of their stake

Ameren's SVP Finance sold $147K of Ameren shares. Nobody planned it ahead of time.

Why it stands out Official record

7mo ago

450Shares

Gift or transfer — classified separately from trades.

Why it stands out Official record

7mo ago

1,251Shares

Compensation award — excluded from discretionary-purchase analysis.

Why it stands out Official record

Why it stands out

Dates, kept separate

Context

After it was reported

Source receipt

Footnotes from the filing

Around the same time

~$147KReported value · 1,300 sh @ $113.31

450Shares

1,251Shares

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