American Electric Power AEP
American Electric Power is the 177th largest S&P 500 company by market cap, worth $70.6 billion. 14 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 8 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 11.9% of the company.
- CEO
- William Fehrman
- Sector
- Utilities
- Sub-industry
- Electric Utilities
- Headquarters
- Columbus, Ohio
- Founded
- 1906
- More
- Wikipedia
- Market cap
- $70.6B
- 177th largest, 23 Oct 2026 close
- Price to sales
- 3.2
- Market cap over revenue
- Market cap per employee
- $4.2M
- Market cap over employees
- Connections
- 3
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of American Electric Power. Where a company has several share classes, the share is of its total value.
13F filings for the quarter to 30 Jun 2026
Board and officers
4 people here also hold roles at other S&P 500 companies.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (14) | |
| William FehrmanCEO and President | |
| Benjamin G. S. Fowke IIIDirector | |
| Art A. GarciaDirectorAlso at Raymond James Financial | |
| Hunter Clark GaryDirector | |
| Sandra Beach LinDirector | |
| Henry P. LinginfelterDirector | |
| David S. MarriottDirectorAlso at Marriott International | |
| Margaret M. McCarthyDirectorAlso at Marriott International | |
| Charles J. MeyersDirectorAlso at Equinix | |
| Daryl RobertsDirector | |
| Joseph G. SauvageDirector | |
| Daniel G. StoddardDirector | |
| Lewis Von ThaerDirector | |
| Sara Martinez TuckerDirector | |
| Officers (8) | |
| Trevor I. MihalikExecutive VP & CFOLast filed 12 Mar 2026 | |
| Robert BerntsenExecutive Vice PresidentLast filed 12 Mar 2026 | |
| Douglas A. CannonPresident AEP TransmissionLast filed 5 May 2026 | |
| Kate DixonController, CAOLast filed 9 Sep 2026 | |
| Johannes G. EckertExecutive Vice PresidentLast filed 12 Mar 2026 | |
| Kelly J. FerneauExecutive Vice PresidentLast filed 12 Mar 2026 | |
| Greg B. HallExecutive Vice PresidentLast filed 4 Aug 2026 | |
| Phillip R. UlrichExecutive Vice PresidentLast filed 12 Mar 2026 | |
Companies that share people with American Electric Power
Each person's title here, then at the other company.
- Marriott International MAR
- David S. Marriott: Director here, Director there
- Margaret M. McCarthy: Director here, Director there
- Equinix EQIX
- Charles J. Meyers: Director here, Director there
- Raymond James Financial RJF
- Art A. Garcia: Director here, Director there
American Electric Power's market cap since December 2008
Marked weeks are changes in the share count, such as a merger, not market moves.
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $70.6B |
| 26 Dec 2025 | $61.9B |
| 27 Dec 2024 | $49.3B |
| 29 Dec 2023 | $42.7B |
| 30 Dec 2022 | $48.8B |
| 31 Dec 2021 | $44.9B |
| 25 Dec 2020 | $40.4B |
| 27 Dec 2019 | $46.5B |
| 28 Dec 2018 | $36.9B |
| 29 Dec 2017 | $36.2B |
| 30 Dec 2016 | $31.0B |
| 25 Dec 2015 | $28.7B |
| 26 Dec 2014 | $30.3B |
| 27 Dec 2013 | $22.7B |
| 28 Dec 2012 | $20.5B |
| 30 Dec 2011 | $19.9B |
| 31 Dec 2010 | $17.3B |
| 25 Dec 2009 | $16.8B |
| 26 Dec 2008 | $12.9B |
Download American Electric Power's data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 31 Dec 2025
- Employees
- 16,800
Approximately 7,400 of AEP鈥檚 16,800 employees were eligible to participate in the program.
Insider trades
Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.
Trades from 30 Sep 2025 to 30 Sep 2026
Directors and officers sold $2.9 million of stock in 7 sales and made no open-market purchases in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 8 Sep 2026Sale | Kate DixonController, CAO | $250K |
| 27 Feb 2026Sale | Phillip R. UlrichExecutive Vice President | $542K |
| 24 Feb 2026Sale | Kelly J. FerneauExecutive Vice President | $178K |
| 12 Dec 2025Sale | Benjamin G. S. Fowke IIIDirector | $575K |
| 14 Nov 2025Sale | Benjamin G. S. Fowke IIIDirector | $608K |
| 10 Oct 2025Sale | Benjamin G. S. Fowke IIIDirector | $588K |
| 2 Oct 2025Sale | Kelly J. FerneauExecutive Vice President | $113K |
Trades by members of Congress and officials
Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.
Trades from 20 Oct 2023 to 20 Oct 2026
7 people disclosed 8 purchases and 7 sales of American Electric Power stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 25 Sep 2026 | Rohit KhannaHouse, D-CA 路 Sold | $15K to $50K |
| 26 Aug 2026 | David J. TaylorHouse, R-OH 路 Bought | $1K to $15K |
| 5 Jun 2026 | David J. TaylorHouse, R-OH 路 Bought | $1K to $15K |
| 26 Feb 2026 | David J. TaylorHouse, R-OH 路 Sold | $1K to $15K |
| 30 Jan 2026 | Arjun ModyDeputy Commissioner 路 Sold | $1K to $15K |
| 29 Jan 2026 | Rohit KhannaHouse, D-CA 路 Bought | $15K to $50K |
| 16 Jan 2026 | David J. TaylorHouse, R-OH 路 Bought | $1K to $15K |
| 3 Nov 2025 | David J. TaylorHouse, R-OH 路 Sold | $1K to $15K |
| 6 Oct 2025 | Rick LarsenHouse, D-WA 路 Bought | $1K to $15K |
| 22 Sep 2025 | David J. TaylorHouse, R-OH 路 Bought | $1K to $15K |
Showing 10 of 15 trades
Not on file: no WARN layoff notices under its own name since October 2023.