Quick Takeaways
- Mark C. Birk has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $11,161,038.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Mark C. Birk
- Location
- St Louis, MO
- Summary
- The estimated net worth of Mark C. Birk is at least $11,161,038 dollars as of 04 Mar 2025. Mark C. Birk is the Chmn & President of Subsidiary of AMEREN CORP and owns shares of AMEREN CORP (AEE) stock worth about $11.16M.
- Signature
- Jonathan T. Shade, Deputy Corp. Secy. for Ameren Corporation, attorney-in-fact for Mark C. Birk
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Mark C. Birk and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: AMEREN CORP ($11,161,038).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Mark C. Birk
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| AEE | AMEREN CORP | Chmn & President of Subsidiary | $11,161,038 | 28 Feb 2025 |
Insider Transactions Reported by Mark C. Birk:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.