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Aaon, Inc.

AAON
Exchange
Nasdaq
Industry
Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
SEC CIK
0000824142

In the last 90 days, Aaon, Inc. insiders filed 2 open-market purchases and 0 sales; 474 institutions reported holding it in 13F filings for Q2 2026, worth $8.26B in total; Giverny Capital is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Aaon, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
2 filings
2 insiders, $109.6K in total
Open-market sells
0 filings
Insiders trading
2
Net value
+$109.6K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Aaon, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Aaon, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Stewart David RaymondDirector4,000IndirectSep 16, 20262
Asbjornson Norman HDirector, 10% Owner11,482,401IndirectSep 2, 20264
Jermain Patrick JohnDirector1,284Sep 1, 20261
Buttermore Robert L.Director1,284Sep 1, 20261
Shaub MatthewExecutive Vice President3,136Aug 31, 20263
Thompson RebeccaChief Accounting Officer0IndirectJun 5, 202610
Fields Gary DDirector15,252Jun 1, 202610
Wichman Gordon DouglasExecutive Vice President10,997May 27, 20265
Cheung Chung KinChief Financial Officer17,541May 26, 20261
Kidwell CaseyChief Administration Officer13,463May 15, 20265
Lawhorn Caron ADirector18,675May 14, 20261
McElroy A H IIDirector75,380May 14, 20261
LeClair Stephen ODirector31,566May 14, 20261
Kouplen AngelaDirector39,159May 14, 20261
Ware BruceDirector9,876May 14, 20261
Tobolski Matthew JosephChief Executive Officer114,371IndirectMay 14, 20264
Wakefield Stephen EOther: Principal Engineering Advisor14,274Feb 3, 20262
Eason Christopher DouglasOther: Former Principal Acct Officer2,164IndirectOct 14, 20251
Teis RobertOther: VP, Business Technology12,697Mar 17, 20250
Benson David EOther: Fellow, AAON, Inc.133,053Mar 13, 20250
Gazder Xerxes POther: Former CIO2,988IndirectFeb 18, 20250
Gadiwalla Rony DOther: Former - VP, Info. Technology19,426Dec 21, 20220
Stewart Larry GeneOther: Former - Executive VP0Nov 10, 20220
Lackey Paul K JrDirector66,037Dec 14, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 16, 2026 (view filing)4:38 PM ETSep 151 dayStewart David RaymondDirectorPPurchaseCommon Stock, par value $.004+1.00K$74.66+$74.7K+33.3%4.00K after
Aug 31, 2026 (view filing)11:40 AM ETAug 283 daysShaub MatthewExecutive Vice PresidentPPurchaseCommon Stock, par value $.004+457$76.42+$34.9K+17.1%3.14K after
Jun 5, 2026 (view filing)Jun 23 daysLateThompson RebeccaChief Accounting OfficerSSaleCommon Stock, par value $.004−4.23K$143.42−$606.7K−100.0%0 after
Jun 1, 2026 (view filing)May 293 daysFields Gary DDirectorSSaleCommon Stock, par value $.004−19.0K$140.20−$2.66M−55.5%15.3K after
May 27, 2026 (view filing)May 261 dayWichman Gordon DouglasExecutive Vice PresidentSSaleCommon Stock, par value $.004−3.00K$140.39−$421.2K−21.4%11.0K after
May 27, 2026 (view filing)May 261 dayFields Gary DDirectorSSaleCommon Stock, par value $.004−21.2K$140.34−$2.97M−38.2%34.3K after
May 15, 2026 (view filing)May 141 dayKidwell CaseyChief Administration OfficerSSaleCommon Stock, par value $.004−3.15K$138.30−$436.1K−19.0%13.5K after2 lots
May 14, 2026 (view filing)May 131 dayTobolski Matthew JosephChief Executive OfficerSSaleCommon Stock, par value $.004−8.00K$135.37−$1.08M−6.5%114.4K after
May 14, 2026 (view filing)May 131 dayFields Gary DDirectorSSaleCommon Stock, par value $.004−19.1K$137.60−$2.63M−35.8%34.3K after
May 13, 2026 (view filing)May 121 dayFields Gary DDirectorSSaleCommon Stock, par value $.004−31.3K$134.07−$4.19M−47.7%34.3K after2 lots
May 11, 2026 (view filing)May 74 daysThompson RebeccaChief Accounting OfficerSSaleCommon Stock, par value $.004−9.67K$136.59−$1.32M−25.9%27.7K after10b5-1
Apr 29, 2026 (view filing)Apr 245 daysThompson RebeccaChief Accounting OfficerSSaleCommon Stock, par value $.004−21.9K$100.21−$2.20M−44.2%27.7K afterAmended10b5-1
Apr 29, 2026 (view filing)Apr 236 daysThompson RebeccaChief Accounting OfficerSSaleCommon Stock, par value $.004−7.29K$100.10−$729.9K−20.9%27.7K afterAmended10b5-1
Apr 29, 2026 (view filing)Apr 218 daysThompson RebeccaChief Accounting OfficerSSaleCommon Stock, par value $.004−2.29K$100.11−$229.0K−7.6%27.7K afterAmended10b5-1
Apr 29, 2026 (view filing)Apr 272 daysThompson RebeccaChief Accounting OfficerSSaleCommon Stock, par value $.004−400$100.27−$40.1K−1.4%27.7K after10b5-1
Mar 16, 2026 (view filing)Mar 124 daysKidwell CaseyChief Administration OfficerSSaleCommon Stock, par value $.004−5.22K$90.00−$470.3K−29.2%12.7K after3 lots
Dec 15, 2025 (view filing)Dec 11-124 daysWakefield Stephen EExecutive Vice PresidentPPurchaseCommon Stock, par value $.004+2.00K$81.55+$163.1K+18.6%12.7K after2 lots
Dec 15, 2025 (view filing)Dec 123 daysWakefield Stephen EExecutive Vice PresidentPPurchaseCommon Stock, par value $.004+4.14K$77.59+$321.3K+37.4%15.2K after
Nov 13, 2025 (view filing)Nov 121 dayFields Gary DDirectorSSaleCommon Stock, par value $.004−3.55K$105.14−$373.6K−11.9%26.3K after2 lots
Nov 12, 2025 (view filing)Nov 111 dayFields Gary DDirectorSSaleCommon Stock, par value $.004−26.7K$105.21−$2.81M−50.4%26.3K after2 lots
Sep 15, 2025 (view filing)Sep 123 daysShaub MatthewExecutive Vice PresidentPPurchaseCommon Stock, par value $.004+428$81.70+$35.0K+31.6%1.78K after
Sep 5, 2025 (view filing)Sep 41 dayThompson RebeccaChief Financial OfficerSSaleCommon Stock, par value $.004−9.35K$81.09−$758.2K−27.7%24.4K after2 lots
Aug 27, 2025 (view filing)Aug 252 daysEason Christopher DouglasPrincipal Accounting OfficerSSaleCommon Stock, par value $.004−12.0K$85.08−$1.02M−69.4%5.30K after6 lots
May 21, 2025 (view filing)May 19-202 daysWichman Gordon DouglasOther: Executive DirectorSSaleCommon Stock, par value $.004−25.3K$104.68−$2.65M−74.3%8.75K after3 lots
May 8, 2025 (view filing)May 6-82 daysFields Gary DCEOSSaleCommon Stock, par value $.004−74.4K$97.23−$7.24M−73.7%26.5K afterAmended4 lots
Mar 14, 2025 (view filing)Mar 59 daysLateStewart David RaymondDirectorPPurchaseCommon Stock, par value $.004+1.00K$80.86+$80.9K+50.0%3.00K after
Dec 17, 2024 (view filing)Dec 134 daysWakefield Stephen EVice PresidentSSaleCommon Stock, par value $.004−5.36K$130.99−$702.4K−54.1%4.56K after
Dec 6, 2024 (view filing)Dec 51 dayThompson RebeccaChief Financial OfficerSSaleCommon Stock, par value $.004−5.00K$138.00−$690.0K−22.4%17.3K after
Nov 26, 2024 (view filing)Nov 251 dayWakefield Stephen EVice PresidentSSaleCommon Stock, par value $.004−5.75K$139.86−$804.2K−36.7%9.92K after2 lots
Nov 26, 2024 (view filing)Nov 251 dayFields Gary DCEOSSaleCommon Stock, par value $.004−12.2K$139.66−$1.70M−15.9%64.3K after
Nov 20, 2024 (view filing)Nov 182 daysKidwell CaseyVP, AdministrationSSaleCommon Stock, par value $.004−1.42K$135.14−$192.0K−22.3%4.95K after
Nov 18, 2024 (view filing)Nov 153 daysFields Gary DCEOSSaleCommon Stock, par value $.004−35.0K$132.03−$4.62M−35.2%64.3K after
Nov 15, 2024 (view filing)Nov 132 daysWichman Gordon DouglasVice PresidentSSaleCommon Stock, par value $.004−6.00K$135.15−$810.9K−43.0%7.95K after
Nov 13, 2024 (view filing)Nov 121 dayKidwell CaseyVP, AdministrationSSaleCommon Stock, par value $.004−4.80K$136.38−$654.1K−49.2%4.95K after
Nov 13, 2024 (view filing)Nov 121 dayTeis RobertVP, Business TechnologySSaleCommon Stock, par value $.004−3.37K$136.29−$459.2K−24.0%10.7K after
Aug 8, 2024 (view filing)Aug 62 daysAsbjornson Norman HDirector, 10% OwnerSSaleCommon Stock, par value $.004−11.0K$87.41−$963.4K−68.2%5.13K after
Aug 8, 2024 (view filing)Aug 62 daysFields Gary DCEOSSaleCommon Stock, par value $.004−20.6K$86.21−$1.78M−24.3%64.3K after
Jul 15, 2024 (view filing)Jul 123 daysWakefield Stephen EVice PresidentSSaleCommon Stock, par value $.004−29.9K$90.13−$2.70M−65.6%15.7K after2 lots
May 23, 2024 (view filing)May 221 dayFields Gary DCEOSSaleCommon Stock, par value $.004−28.2K$76.13−$2.15M−30.5%64.3K after
May 16, 2024 (view filing)May 151 dayThompson RebeccaChief Financial OfficerSSaleCommon Stock, par value $.004−13.5K$77.00−$1.04M−43.8%17.3K after
Mar 18, 2024 (view filing)Mar 144 daysAsbjornson Norman HDirector, 10% OwnerSSaleCommon Stock, par value $.004−19.1K$81.30−$1.56M−56.3%14.9K after
Mar 18, 2024 (view filing)Mar 14-154 daysAsbjornson Norman HDirector, 10% OwnerSSaleCommon Stock, par value $.004−56.5K$82.16−$4.65M−0.4%13.3M after2 lots
Mar 15, 2024 (view filing)Mar 132 daysWakefield Stephen EVice PresidentSSaleCommon Stock, par value $.004−24.7K$80.86−$1.99M−60.7%16.0K after
Mar 13, 2024 (view filing)Mar 11-122 daysAsbjornson Norman HDirector, 10% OwnerSSaleCommon Stock, par value $.004−19.9K$80.48−$1.60M−36.9%34.0K after2 lots
Dec 27, 2023 (view filing)Dec 26-271 dayWakefield Stephen EChief Operating OfficerSSaleCommon Stock, par value $.004−30.0K$74.50−$2.23M−69.0%13.5K after2 lots
Dec 21, 2023 (view filing)Dec 19-202 daysWakefield Stephen EChief Operating OfficerSSaleCommon Stock, par value $.004−60.0K$72.62−$4.36M−81.7%13.5K after3 lots
Dec 18, 2023 (view filing)Dec 14-154 daysWakefield Stephen EChief Operating OfficerSSaleCommon Stock, par value $.004−106.0K$70.75−$7.50M−88.7%13.5K after2 lots
Dec 7, 2023 (view filing)Dec 52 daysAsbjornson Norman HDirector, 10% OwnerSSaleCommon Stock, par value $.004−99.9K$63.48−$6.34M−65.0%53.9K after
Nov 29, 2023 (view filing)Nov 272 daysAsbjornson Norman HDirector, 10% OwnerSSaleCommon Stock, par value $.004−5.14K$63.92−$328.9K−3.2%153.8K after2 lots
Nov 29, 2023 (view filing)Nov 272 daysThompson RebeccaChief Financial OfficerSSaleCommon Stock, par value $.004−5.00K$64.00−$320.0K−24.9%15.1K after