SEC ownership of AMERICAN ELECTRIC POWER CO INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000004904.

Comparable stake leader

VANGUARD CAPITAL MANAGEMENT LLC

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

20 Jul 2026

Top shareholders Insider holders Latest transactions

Parsed ownership sources: 13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: VANGUARD CAPITAL MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: VANGUARD CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 20 Jul 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0000004904
Issuer location: Columbus, OH

Ownership snapshot

Top shareholders of AMERICAN ELECTRIC POWER CO INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

VANGUARD CAPITAL MANAGEME...

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

20 Jul 2026

13D/G 13F 3/4/5 Lead comparable stake: 7.5% 13D/G row: VANGUARD CAPITAL MANAGEMENT LLC Showing 1-8 of 50 holder rows.

Quick read

VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 7.5%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.

Comparable ownership Top 5

VANGUARD CAPITAL MANAGEMENT LLC 7.5%

BlackRock, Inc. 7.5%

Charles J. Meyers 0%

STATE STREET CORP 5.7%

VANGUARD PORTFOLIO MANAGEMENT LLC 4.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
VANGUARD CAPITAL MANAGEMENT LLC	13D/G 13F Vanguard Capital Management · Company 13D/G 13F	7.5%	$5,351,605,126 40,827,015 shares	$0	31 Mar 2026
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	7.5% from 13D/G	$6,980,601,396 51,024,057 shares	—	30 Jun 2026
Charles J. Meyers	3/4/5 Director 3/4/5	0%	$30,782 225 shares	—	20 Jul 2026
STATE STREET CORP	13F Company 13F	5.7%	$4,211,441,657 30,783,142 shares	—	30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC	13F Company 13F	4.3%	$3,213,952,286 23,492,086 shares	—	30 Jun 2026
Invesco Ltd.	13F Company 13F	3.6%	$2,671,608,401 19,527,874 shares	—	30 Jun 2026
MORGAN STANLEY	13F Company 13F	3.5%	$2,596,714,806 18,980,444 shares	—	30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	2.6%	$1,962,851,721 14,404,302 shares	—	30 Jun 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$3,146,695.

Buys

Insiders: 0

Sells

$3,146,695

Insiders: 3

Net

-$3,146,695

Shares: -26,463

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 0 Shares: 26,463

Window (months)	Sell shares	Buy value	Sell value	Net value
0-3	0	$0	$0	$0
3-6	0	$0	$0	$0
6-9	10,457	$0	$1,295,273	-$1,295,273
9-12	16,006	$0	$1,851,422	-$1,851,422

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 47 reporting-owner rows connected to AMERICAN ELECTRIC POWER CO INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

William Fehrman

Net 12M change

-$3,146,694

Latest report

01 Aug 2026

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
William Fehrman	CEO and President, Director	$49,070,472			Mixed	01 Aug 2026
Trevor I. Mihalik	Executive VP & CFO	$28,072,402			Mixed	10 Mar 2026
Nicholas K. Akins	Executive Chair	$12,008,377			Mixed	02 May 2023
Phillip R. Ulrich	Executive Vice President	$10,756,083	-$542,320	-4.8%	Mixed	10 Mar 2026
Charles E. Zebula	Senior Advisor	$8,440,396			Mixed	10 Mar 2025
Robert Berntsen	Executive Vice President	$7,308,832			Mixed	10 Mar 2026
Douglas A. Cannon	President AEP Transmission	$6,949,219			Mixed	01 May 2026
Kelly J. Ferneau	Executive Vice President	$5,254,496	-$290,274	-5.2%	Mixed	10 Mar 2026
Kate Dixon	Controller, CAO	$4,140,955			Mixed	01 May 2026
Benjamin G. S. Fowke III	Director	$4,125,774	-$2,314,100	-36%	Mixed	30 Jun 2026
Julia A. Sloat	President, CEO	$4,116,029			Mixed	21 Feb 2024
Sara Martinez Tucker	Director	$3,842,615			Mixed	30 Jun 2026
Greg B. Hall	Executive Vice President	$3,806,114			Mixed	01 Aug 2026
Alicia R. Knapp	President Nuclear Development	$3,709,958			Mixed	10 Mar 2026
David Matthew Feinberg	Executive Vice President	$3,660,815			Mixed	17 Jun 2025
Therace Risch	Executive Vice President	$3,564,481			Mixed	10 Mar 2025
Brian X. Tierney	Executive VP	$3,305,085			Mixed	08 Jul 2021
Linda Goodspeed	Director	$2,815,373			Mixed	30 Jun 2024
Quinton S. Lies	Executive Vice President	$2,438,666			Mixed	19 May 2025
Charles R. Patton	Executive Vice President	$2,293,815			Mixed	01 May 2022

Recent insider transactions for AMERICAN ELECTRIC POWER CO INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares owned	Date	Ownership
William Fehrman	AEP	Resticted Stock Units	Tax liability	-4.49%			-6,283	133,539	01 Aug 2026	Direct
Greg B. Hall	AEP	Resticted Stock Units	Tax liability	-4.82%			-1,741	34,408	01 Aug 2026	Direct
Sara Martinez Tucker	AEP	Phantom Stock Units	Award				0	32,579	30 Jun 2026	Direct
Daryl Roberts	AEP	Phantom Stock Units	Award				0	761	30 Jun 2026	Direct
Margaret M. McCarthy	AEP	Phantom Stock Units	Award				0	3,660	30 Jun 2026	Direct
Sandra Beach Lin	AEP	Phantom Stock Units	Award				0	19,772	30 Jun 2026	Direct
Art A. Garcia	AEP	Phantom Stock Units	Award				0	2,852	30 Jun 2026	Direct
Lewis von Thaer	AEP	Phantom Stock Units	Award				0	8,320	30 Jun 2026	Direct
Daniel G. Stoddard	AEP	Common Stock	Award				0	1,631	30 Jun 2026	Direct
Daniel G. Stoddard	AEP	Phantom Stock Units	Award				0	5,186	30 Jun 2026	Direct
Joseph G. Sauvage	AEP	Phantom Stock Units	Award				0	1,820	30 Jun 2026	Direct
Benjamin G. S. Fowke III	AEP	Phantom Stock Units	Award				0	7,070	30 Jun 2026	Direct
Kate Dixon	AEP	Resticted Stock Units	Tax liability	-3.45%			-636	17,780	01 May 2026	Direct
Douglas A. Cannon	AEP	Resticted Stock Units	Tax liability	-6.45%			-1,770	25,655	01 May 2026	Direct
Greg B. Hall	AEP	Resticted Stock Units	Tax liability	-10.7%			-4,306	36,019	01 May 2026	Direct
Hunter C. Gary	AEP	Phantom Stock Units	Award				0	3,684	31 Mar 2026	Direct
Henry P. Linginfelter	AEP	Phantom Stock Units	Award				0	3,684	31 Mar 2026	Direct
Joseph G. Sauvage	AEP	Phantom Stock Units	Award				0	1,498	31 Mar 2026	Direct
Lewis von Thaer	AEP	Phantom Stock Units	Award				0	7,951	31 Mar 2026	Direct
Art A. Garcia	AEP	Phantom Stock Units	Award				0	2,523	31 Mar 2026	Direct
Sandra Beach Lin	AEP	Phantom Stock Units	Award				0	19,322	31 Mar 2026	Direct
Margaret M. McCarthy	AEP	Phantom Stock Units	Award				0	3,325	31 Mar 2026	Direct
Sara Martinez Tucker	AEP	Phantom Stock Units	Award				0	32,037	31 Mar 2026	Direct
Benjamin G. S. Fowke III	AEP	Phantom Stock Units	Award				0	6,710	31 Mar 2026	Direct
Daniel G. Stoddard	AEP	Common Stock	Award				0	1,619	31 Mar 2026	Direct
Daniel G. Stoddard	AEP	Phantom Stock Units	Award				0	4,840	31 Mar 2026	Direct
Daryl Roberts	AEP	Phantom Stock Units	Award				0	447	31 Mar 2026	Direct
Phillip R. Ulrich	AEP	Common Stock	Tax liability	-0.12%			-50	42,323	10 Mar 2026	Direct
Phillip R. Ulrich	AEP	Common Stock	Award	0.26%			110	42,373	10 Mar 2026	Direct
Alicia R. Knapp	AEP	Common Stock	Tax liability	-0.02%			-3	14,482	10 Mar 2026	Direct
Alicia R. Knapp	AEP	Common Stock	Award	0.06%			9	14,485	10 Mar 2026	Direct
Robert Berntsen	AEP	Common Stock	Tax liability	-0.02%			-4	21,397	10 Mar 2026	Direct
Robert Berntsen	AEP	Common Stock	Award	0.04%			9	21,401	10 Mar 2026	Direct
Johannes G. Eckert	AEP	Common Stock	Tax liability	-0.04%			-2	4,714	10 Mar 2026	Direct
Johannes G. Eckert	AEP	Common Stock	Award	0.08%			4	4,716	10 Mar 2026	Direct
Douglas A. Cannon	AEP	Common Stock	Tax liability	-0.02%			-5	27,270	10 Mar 2026	Direct
Douglas A. Cannon	AEP	Common Stock	Award	0.04%			11	27,275	10 Mar 2026	Direct
Trevor I. Mihalik	AEP	Common Stock	Tax liability	-0.04%			-28	79,595	10 Mar 2026	Direct
Trevor I. Mihalik	AEP	Common Stock	Award	0.08%			61	79,623	10 Mar 2026	Direct
Kate Dixon	AEP	Common Stock	Tax liability	-0.13%			-24	18,341	10 Mar 2026	Direct
Kate Dixon	AEP	Common Stock	Award	0.28%			52	18,365	10 Mar 2026	Direct
Kelly J. Ferneau	AEP	Common Stock	Tax liability	-0.04%			-8	20,199	10 Mar 2026	Direct
Kelly J. Ferneau	AEP	Common Stock	Award	0.07%			14	20,207	10 Mar 2026	Direct
William Fehrman	AEP	Common Stock	Tax liability	-0.03%			-45	138,256	10 Mar 2026	Direct
William Fehrman	AEP	Common Stock	Award	0.07%			96	138,301	10 Mar 2026	Direct
Phillip R. Ulrich	AEP	Resticted Stock Units	Sale	-8.86%	$542,320	$132.08	-4,106	42,263	27 Feb 2026	Direct
Kelly J. Ferneau	AEP	Common Stock	Tax liability	-0.78%			-158	20,193	26 Feb 2026	Direct
Kelly J. Ferneau	AEP	Common Stock	Award	32.1%			4,941	20,351	26 Feb 2026	Direct
Kate Dixon	AEP	Common Stock	Tax liability	-8.78%			-1,762	18,313	26 Feb 2026	Direct
Kate Dixon	AEP	Common Stock	Award	42.1%			5,951	20,075	26 Feb 2026	Direct

^* marks a reported price that did not pass the local price check.