Latest filingAug 20, 2026Most recent Form 4
AEE
AMEREN CORP
NYSEUtilitiesElectric & Other Services Combined
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$14.2M3 sells
Net open-market-$14.2M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period3transactions
- S · Open-market sells · dominant3 · 100%
Activity by reported role
A joint filing can contribute to multiple roles3transactions
- SF · dominant2 · 67%
- SC1 · 33%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeMartin Ryan JCommon Stock, $.01 Par Value · Direct
25,595Aug 20, 2026
Shaw Theresa ACommon Stock, $.01 Par Value · Direct
32,340Aug 14, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- MJ-$106.7k
- SA-$35.4k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
AEE transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| AEE | Martin Ryan J | SF | sale | 500 | -$5.49M | S | −2.5% | 08/20 | 08/20 | |
| AEE | Martin Ryan J | SF | sale | 471 | -$5.17M | S | −2.5% | 08/20 | 08/18 | |
| AEE | Shaw Theresa A | SC | sale | 325 | -$3.54M | S | −3.1% | 08/17 | 08/14 |
AMEREN CORP Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at AMEREN CORP?
Martin Ryan J, Shaw Theresa A.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Martin Ryan J reported a sale on Aug 20, 2026 valued at $5.49M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $142,091.02. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.