Insider Transactions Reported by 24 Insiders of AAON, INC.

Symbol: AAON on Nasdaq
Location: Tulsa, OK

Quick Takeaways

AAON - AAON, INC. has 24 insiders with reported activity on this page.
Net insider value flow over the last year: -$14,799,017.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: $519,368; sell value: $15,318,384.
Net share flow: -149,997.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$14,799,017.

Buys

$519,368

Shares: 6,569

Insiders: 2

Sells

$15,318,385

Shares: 156,566

Insiders: 5

Net

-$14,799,017

Shares: -149,997

Insiders: -3

Window (months)	Buy shares	Sell shares	Buy $	Sell $	Net $
0-3	0	5,225	$0	$470,250	-$470,250
3-6	6,141	30,299	$484,400	$3,187,509	-$2,703,109
6-9	428	21,353	$34,968	$1,779,402	-$1,744,435
9-12	0	99,689	$0	$9,881,223	-$9,881,223

AAON, INC. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Norman H. Asbjornson	Director, 10%+ Owner	$1,318,432,095			Mixed	14 Nov 2025
Scott M. Asbjornson	Vice President, Finance & CFO	$104,087,625			Mixed	16 May 2021
David E. Benson	Fellow, AAON, Inc.	$36,201,959			Mixed	11 Mar 2025
Matthew J. Tobolski	CEO, Director	$35,284,579			Mixed	12 Mar 2026
A. H. McElroy II	Director	$21,649,279			Mixed	13 May 2025
Angela E. Kouplen	Director	$5,984,850			Mixed	13 May 2025
Gary D. Fields	Director	$5,786,789	-$10,422,813	-64%	Mixed	12 Mar 2026
Paul K. Lackey Jr.	Director	$4,952,775			Mixed	13 Dec 2021
Stephen O LeClair	Director	$4,761,162			Mixed	13 May 2025
Rebecca Thompson	Chief Financial Officer	$3,597,704	-$758,198	-17%	Mixed	12 Mar 2026
Stephen E. Wakefield	Principal Engineering Advisor	$2,824,589	+$484,400	+21%	Mixed	30 Jan 2026
Robert Teis	VP, Business Technology	$2,648,718			Mixed	14 Mar 2025
Rony D. Gadiwalla	Former - VP, Info. Technology	$1,918,350			Mixed	20 Dec 2022
Gordon D. Wichman	Executive Vice President	$1,680,018	-$2,645,919	-61%	Mixed	12 Mar 2026
David R. Stewart	Director	$1,672,081			Mixed	13 May 2025
Casey R. Kidwell	Chief Administration Officer	$1,492,650	-$470,250	-24%	Mixed	12 Mar 2026
Caron A. Lawhorn	Director	$1,463,121			Mixed	13 May 2025
Bruce Ware	Director	$1,265,601			Mixed	13 May 2025
Stephen LeClair	Director	$1,146,750			Mixed	11 May 2021
Christopher D. Eason	Former Principal Acct Officer	$678,195	-$1,021,205	-60%	Mixed	09 Oct 2025
Xerxes P. Gazder	Former CIO	$625,176			Mixed	13 Feb 2025
Matthew Shaub	Executive Vice President	$535,483	+$34,968	+7%	Mixed	12 Mar 2026
Larry G. Stewart	Former - Executive VP	$92,850			Mixed	08 Nov 2022
Luke A. Bomer	General Counsel and Secretary	$62,062			Median	01 Apr 2026

Top shareholders of AAON, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Norman H. Asbjornson	3/4/5	Director, 10%+ Owner	— mixed-class rows	13,097,875 mixed-class rows	$1,318,432,095	—	14 Nov 2025	3/4/5
WELLINGTON MANAGEMENT GROUP LLP	13D/G 13F	Company	8.4%	6,839,277	$577,918,906	+$177,398,032	31 Dec 2025	13D/G 13F
BlackRock, Inc.	13D/G 13F	Company	7.7%	6,271,197	$551,489,064	-$71,002,756	31 Mar 2025	13D/G 13F
VANGUARD GROUP INC	13F	Company	7.9%	6,396,501	$487,733,201	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	2.5%	2,043,741	$155,835,251	—	31 Dec 2025	13F
GENEVA CAPITAL MANAGEMENT LLC	13F	Company	2.3%	1,849,643	$141,035,315	—	31 Dec 2025	13F
WASATCH ADVISORS LP	13F	Company	2.2%	1,831,414	$139,645,318	—	31 Dec 2025	13F
Conestoga Capital Advisors, LLC	13F	Company	2.2%	1,776,013	$135,420,967	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	2.1%	1,687,671	$128,685,187	—	31 Dec 2025	13F
BLAIR WILLIAM & CO/IL	13F	Company	2.1%	1,679,025	$128,025,664	—	31 Dec 2025	13F
Champlain Investment Partners, LLC	13F	Company	2%	1,664,703	$126,933,604	—	31 Dec 2025	13F
FIRST TRUST ADVISORS LP	13F	Company	2%	1,649,114	$125,744,950	—	31 Dec 2025	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.7%	1,408,432	$107,402,514	—	31 Dec 2025	13F
Impax Asset Management Group plc	13F	Company	1.7%	1,403,648	$107,028,204	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.7%	1,381,303	$105,343,362	—	31 Dec 2025	13F
Scott M. Asbjornson	3/4/5	Vice President, Finance & CFO	— class O/S missing	1,387,835	$104,087,625	—	16 May 2021	3/4/5
Capital International Investors	13F	Company	1.6%	1,328,881	$101,327,176	—	31 Dec 2025	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.6%	1,299,259	$99,070,756	—	31 Dec 2025	13F
FMR LLC	13F	Company	1.6%	1,270,816	$96,899,713	—	31 Dec 2025	13F
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	13F	Company	1.5%	1,232,149	$93,951,396	—	31 Dec 2025	13F
FRANKLIN RESOURCES INC	13F	Company	1.5%	1,222,706	$93,231,369	—	31 Dec 2025	13F
Spyglass Capital Management LLC	13F	Company	1.5%	1,198,921	$91,417,726	—	31 Dec 2025	13F
Pictet Asset Management Holding SA	13F	Company	1.1%	879,467	$67,059,359	—	31 Dec 2025	13F
JPMORGAN CHASE & CO	13F	Company	1.1%	863,299	$65,826,584	—	31 Dec 2025	13F
Copeland Capital Management, LLC	13F	Company	0.98%	799,977	$60,998,307	—	31 Dec 2025	13F
BROWN ADVISORY INC	13F	Company	0.96%	785,141	$59,867,003	—	31 Dec 2025	13F
Mawer Investment Management Ltd.	13F	Company	0.94%	766,207	$58,423,284	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.92%	751,640	$57,312,551	—	31 Dec 2025	13F
BAMCO INC /NY/	13F	Company	0.91%	738,016	$56,273,720	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.86%	697,097	$53,153,649	—	31 Dec 2025	13F
Na Bokf	13F	Individual	0.84%	681,758	$51,984,048	—	31 Dec 2025	13F
Stephens Investment Management Group LLC	13F	Company	0.78%	636,296	$48,517,570	—	31 Dec 2025	13F
Capital World Investors	13F	Company	0.71%	580,774	$44,284,018	—	31 Dec 2025	13F
FEDERATED HERMES, INC.	13F	Company	0.67%	547,894	$41,776,919	—	31 Dec 2025	13F
Allspring Global Investments Holdings, LLC	13F	Company	0.65%	527,520	$41,774,310	—	31 Dec 2025	13F
Pembroke Management, LTD	13F	Company	0.67%	547,215	$41,725,144	—	31 Dec 2025	13F
NORGES BANK	13F	Company	0.67%	545,368	$41,584,310	—	31 Dec 2025	13F
Ceredex Value Advisors LLC	13F	Company	0.65%	529,750	$40,393,438	—	31 Dec 2025	13F
David E. Benson	3/4/5	Fellow, AAON, Inc.	— mixed-class rows	444,431 mixed-class rows	$36,201,959	—	11 Mar 2025	3/4/5
ROYCE & ASSOCIATES LP	13F	Company	0.57%	467,496	$35,646,570	—	31 Dec 2025	13F
Matthew J. Tobolski	3/4/5	CEO, Director	— mixed-class rows	347,255 mixed-class rows	$35,284,579	—	12 Mar 2026	3/4/5
UBS Group AG	13F	Company	0.57%	461,000	$35,151,250	—	31 Dec 2025	13F
SEI INVESTMENTS CO	13F	Company	0.56%	456,630	$34,819,414	—	31 Dec 2025	13F
Bank of New York Mellon Corp	13F	Company	0.56%	453,236	$34,559,223	—	31 Dec 2025	13F
Amundi	13F	Individual	0.54%	439,694	$33,546,593	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.53%	429,323	$32,735,890	—	31 Dec 2025	13F
Ranger Investment Management, L.P.	13F	Company	0.52%	420,336	$32,050,620	—	31 Dec 2025	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.5%	404,651	$30,854,639	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.48%	391,918	$29,883,748	—	31 Dec 2025	13F
RIVERBRIDGE PARTNERS LLC	13F	Company	0.44%	354,370	$27,020,716	—	31 Dec 2025	13F

Recent Insider Transactions by Companies or Individuals for AAON, INC.

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

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Gordon D. Wichman	AAON	Common Stock, par value $.004	Tax liability	-1.41%			-144	10,073	12 Mar 2026	Direct
Matthew J. Tobolski	AAON	Common Stock, par value $.004	Tax liability	-4.22%			-413	9,378	12 Mar 2026	Direct
Rebecca Thompson	AAON	Common Stock, par value $.004	Tax liability	-1.22%			-324	26,142	12 Mar 2026	Direct
Matthew Shaub	AAON	Common Stock, par value $.004	Tax liability	-8.64%			-154	1,629	12 Mar 2026	Direct
Casey R. Kidwell	AAON	Common Stock, par value $.004	Tax liability	-1.42%			-180	12,482	12 Mar 2026	Direct
Casey R. Kidwell	AAON	Common Stock, par value $.004	Sale	-29.2%	$470,250	$90.00	-5,225	12,662	12 Mar 2026	Direct
Casey R. Kidwell	AAON	Common Stock, par value $.004	Options Exercise	50.8%			5,225	15,502	12 Mar 2026	Direct
Casey R. Kidwell	AAON	Stock Option (Right to Buy)	Options Exercise	-100%			-5,225	0	12 Mar 2026	Direct
Gary D. Fields	AAON	Common Stock, par value $.004	Tax liability	-3.82%			-1,359	34,252	12 Mar 2026	Direct
Gordon D. Wichman	AAON	Common Stock, par value $.004	Award	9.17%			924	10,997	11 Mar 2026	Direct
Matthew J. Tobolski	AAON	Common Stock, par value $.004	Award	95.6%			8,961	18,339	11 Mar 2026	Direct
Rebecca Thompson	AAON	Common Stock, par value $.004	Award	5.89%			1,539	27,681	11 Mar 2026	Direct
Casey R. Kidwell	AAON	Common Stock, par value $.004	Award	7.86%			981	13,463	11 Mar 2026	Direct
Matthew Shaub	AAON	Common Stock, par value $.004	Award	64.5%			1,050	2,679	11 Mar 2026	Direct
Gary D. Fields	AAON	Common Stock, par value $.004	Tax liability	-3.33%			-1,225	35,611	06 Mar 2026	Direct
Gordon D. Wichman	AAON	Common Stock, par value $.004	Tax liability	-0.99%			-102	10,217	06 Mar 2026	Direct
Rebecca Thompson	AAON	Common Stock, par value $.004	Tax liability	-0.68%			-180	26,466	06 Mar 2026	Direct
Casey R. Kidwell	AAON	Common Stock, par value $.004	Tax liability	-0.94%			-120	12,662	06 Mar 2026	Direct
Casey R. Kidwell	AAON	Common Stock, par value $.004	Tax liability	-5.66%			-737	12,288	30 Jan 2026	Direct
Casey R. Kidwell	AAON	Common Stock, par value $.004	Options Exercise	20.4%			2,204	13,014	30 Jan 2026	Direct
Gordon D. Wichman	AAON	Common Stock, par value $.004	Tax liability	-6.13%			-639	9,793	30 Jan 2026	Direct
Gordon D. Wichman	AAON	Common Stock, par value $.004	Options Exercise	26.5%			2,204	10,519	30 Jan 2026	Direct
Stephen E. Wakefield	AAON	Common Stock, par value $.004	Tax liability	-5.3%			-770	13,751	30 Jan 2026	Direct
Stephen E. Wakefield	AAON	Common Stock, par value $.004	Options Exercise	19%			2,314	14,513	30 Jan 2026	Direct
Gary D. Fields	AAON	Common Stock, par value $.004	Tax liability	-13.1%			-5,040	33,533	30 Jan 2026	Direct
Gary D. Fields	AAON	Common Stock, par value $.004	Options Exercise	73.7%			16,536	38,980	30 Jan 2026	Direct
Rebecca Thompson	AAON	Common Stock, par value $.004	Tax liability	-3.92%			-1,056	25,872	30 Jan 2026	Direct
Rebecca Thompson	AAON	Common Stock, par value $.004	Options Exercise	14%			3,306	26,961	30 Jan 2026	Direct
Matthew J. Tobolski	AAON	Common Stock, par value $.004	Tax liability	-2.79%			-281	9,791	02 Jan 2026	Direct
Gary D. Fields	AAON	Common Stock, par value $.004	Gift	-3.8%			-1,000	25,340	15 Dec 2025	Direct
Stephen E. Wakefield	AAON	Common Stock, par value $.004	Purchase	37.4%	$321,300	$77.59	4,141	15,212	12 Dec 2025	401(k) Plan
Stephen E. Wakefield	AAON	Common Stock, par value $.004	Purchase	8.53%	$80,850	$80.85	1,000	12,730	12 Dec 2025	Direct
Stephen E. Wakefield	AAON	Common Stock, par value $.004	Purchase	9.32%	$82,250	$82.25	1,000	11,730	11 Dec 2025	Direct
Norman H. Asbjornson	AAON	Common Stock, par value $.004	Gift	-0.61%			-71,916	11,683,842	14 Nov 2025	Trustee of trusts
Gary D. Fields	AAON	Common Stock, par value $.004	Sale	-11.9%	$373,562	$105.14	-3,553	26,340	12 Nov 2025	Direct
Gary D. Fields	AAON	Common Stock, par value $.004	Options Exercise	13.9%			3,553	29,126	12 Nov 2025	Direct
Gary D. Fields	AAON	Stock Option (Right to Buy)	Options Exercise	-40.4%			-3,553	5,253	12 Nov 2025	Direct
Gary D. Fields	AAON	Common Stock, par value $.004	Sale	-50.4%	$2,813,947	$105.21	-26,746	26,340	11 Nov 2025	Direct
Gary D. Fields	AAON	Common Stock, par value $.004	Options Exercise	130%			26,746	47,316	11 Nov 2025	Direct
Gary D. Fields	AAON	Stock Option (Right to Buy)	Options Exercise	-81.6%			-26,746	6,020	11 Nov 2025	Direct
Christopher D. Eason	AAON	Common Stock, par value $.004	Other				2,164	2,164	09 Oct 2025	IRA
Christopher D. Eason	AAON	Common Stock, par value $.004	Other	-100%			-2,164	0	09 Oct 2025	401(k) Plan
Matthew J. Tobolski	AAON	Common Stock, par value $.004	Gift	69.8%			50,302	122,371	15 Sep 2025	By spouse, as trustee of trust for benefit of family members
Matthew J. Tobolski	AAON	Common Stock, par value $.004	Gift	6.63%			12,500	200,904	15 Sep 2025	Trustee of Trusts
Matthew J. Tobolski	AAON	Common Stock, par value $.004	Gift	-86.2%			-62,802	10,072	15 Sep 2025	Direct
Matthew Shaub	AAON	Common Stock, par value $.004	Purchase	31.6%	$34,968	$81.70	428	1,783	12 Sep 2025	Direct
Rebecca Thompson	AAON	Common Stock, par value $.004	Sale	-27.7%	$758,198	$81.09	-9,350	24,396	04 Sep 2025	Direct
Rebecca Thompson	AAON	Common Stock, par value $.004	Options Exercise	38.3%			9,350	33,746	04 Sep 2025	Direct
Rebecca Thompson	AAON	Stock Option (Right to Buy)	Options Exercise	-100%			-9,350	0	04 Sep 2025	Direct
Christopher D. Eason	AAON	Common Stock, par value $.004	Disposed to Issuer	-23.1%			-1,224	4,077	01 Sep 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.