SEC Form 4 · Updated Daily
AAON
— AAON, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| ASBJORNSON NORMAN H | 10%+ Owner · Director | 11,482,401 | 2026-09-01 | G |
| Asbjornson Scott M | Officer | 846,726 | 2021-05-16 | F |
| STEPHENSON CC JR | Director | 764,022 | 2009-05-19 | A |
| Levine Jerry R | Director | 221,399 | 2017-03-10 | S |
| NAUGLE THOMAS E | Reporting Owner | 148,765 | 2007-08-21 | J |
| Benson David E | Reporting Owner | 133,053 | 2025-03-11 | A |
| Tobolski Matthew Joseph | Director · Officer | 114,371 | 2026-05-13 | S |
| PANTALEONI ANTHONY | Director | 81,435 | 2007-11-23 | G |
| McElroy A H II | Director | 75,380 | 2026-05-12 | A |
| Knebel David E | Officer | 69,275 | 2014-03-21 | M |
| Lackey Paul K Jr | Director | 66,037 | 2021-12-13 | S |
| CAPPY JOSEPH E | Director | 43,987 | 2014-05-20 | A |
| Crews Mikel D | Reporting Owner | 39,294 | 2020-08-12 | S |
| Kouplen Angela | Officer | 39,159 | 2026-05-12 | A |
| Neale Sam | Officer | 33,528 | 2018-03-13 | M |
| LeClair Stephen O | Director | 31,566 | 2026-05-12 | A |
| JOHNSON JOHN B JR | Director · Officer | 29,750 | 2014-05-20 | A |
| Short Jack E | Director | 27,121 | 2020-03-03 | S |
| FERGUS ROBERT G | Officer | 23,307 | 2017-01-04 | A |
| SHEFFIELD KATHY I | Officer | 22,072 | 2017-11-30 | F |
| Gadiwalla Rony D | Reporting Owner | 19,426 | 2022-12-20 | G |
| Lawhorn Caron A | Director | 18,675 | 2026-05-12 | A |
| Cheung Chung Kin | Officer | 17,541 | 2026-04-20 | A |
| Kidwell Casey | Officer | 15,547 | 2026-05-14 | M |
| LeClair Stephen | Director | 15,290 | 2021-05-11 | A |
| Fields Gary D | Director | 15,252 | 2026-05-29 | S |
| Wakefield Stephen E | Reporting Owner | 14,513 | 2026-01-30 | M |
| Wichman Gordon Douglas | Officer | 13,997 | 2026-05-26 | M |
| Teis Robert | Reporting Owner | 12,697 | 2025-03-14 | F |
| Ware Bruce | Director | 9,876 | 2026-05-12 | A |
| Stewart David Raymond | Director | 4,000 | 2026-09-15 | P |
| RYAN JERRY E | Director | 3,327 | 2006-05-09 | S |
| Shaub Matthew | Officer | 3,136 | 2026-08-28 | P |
| GAZDER XERXES P | Reporting Owner | 2,988 | 2025-02-13 | J |
| Stewart Larry Gene | Reporting Owner | 2,472 | 2022-11-08 | M |
| Eason Christopher Douglas | Reporting Owner | 2,164 | 2025-10-09 | J |
| Buttermore Robert L. | Officer | 1,284 | 2026-09-01 | A |
| Jermain Patrick John | Director | 1,284 | 2026-09-01 | A |
| Bomer Luke A. | Officer | 747 | 2026-04-01 | — |
| Thompson Rebecca | Officer | 0 | 2026-06-02 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-15 | Stewart David Raymond | Open-market buy | 1,000 | $74.66 | 4,000 |
| 2026-09-01 | Buttermore Robert L. | Grant / award | 1,284 | $0.00 | 1,284 |
| 2026-09-01 | Jermain Patrick John | Grant / award | 1,284 | $0.00 | 1,284 |
| 2026-09-01 | ASBJORNSON NORMAN H | Gift | 100,000 | $0.00 | 11,482,401 |
| 2026-08-28 | Shaub Matthew | Open-market buy | 457 | $76.42 | 3,136 |
| 2026-06-02 | Thompson Rebecca | Open-market sale | 4,230 | $143.42 | 0 |
| 2026-05-29 | ASBJORNSON NORMAN H | Gift | 88,000 | $0.00 | 1,201,290 |
| 2026-05-29 | ASBJORNSON NORMAN H | Gift | 101,441 | $0.00 | 11,582,401 |
| 2026-05-29 | Fields Gary D | Open-market sale | 19,000 | $140.20 | 15,252 |
| 2026-05-26 | Fields Gary D | Option exercise (derivative) | 21,173 | $48.91 | 0 |
| 2026-05-26 | Fields Gary D | Open-market sale | 21,173 | $140.34 | 34,252 |
| 2026-05-26 | Fields Gary D | Option exercise | 21,173 | $48.91 | 55,425 |
| 2026-05-26 | Wichman Gordon Douglas | Option exercise (derivative) | 3,000 | $27.58 | 21,250 |
| 2026-05-26 | Wichman Gordon Douglas | Open-market sale | 3,000 | $140.39 | 10,997 |
| 2026-05-26 | Wichman Gordon Douglas | Option exercise | 3,000 | $27.58 | 13,997 |
| 2026-05-14 | Kidwell Casey | Option exercise (derivative) | 1,069 | $82.39 | 2,138 |
| 2026-05-14 | Kidwell Casey | Option exercise (derivative) | 2,084 | $79.73 | 1,042 |
| 2026-05-14 | Kidwell Casey | Option exercise | 1,069 | $82.39 | 14,532 |
| 2026-05-14 | Kidwell Casey | Open-market sale | 2,084 | $138.30 | 13,463 |
| 2026-05-14 | Kidwell Casey | Option exercise | 2,084 | $79.73 | 15,547 |
| 2026-05-13 | Fields Gary D | Option exercise (derivative) | 19,081 | $36.13 | 0 |
| 2026-05-13 | Fields Gary D | Open-market sale | 19,081 | $137.60 | 34,252 |
| 2026-05-13 | Fields Gary D | Option exercise | 19,081 | $36.13 | 53,333 |
| 2026-05-13 | Tobolski Matthew Joseph | Open-market sale | 8,000 | $135.37 | 114,371 |
| 2026-05-13 | Tobolski Matthew Joseph | Tax withholding | 467 | $135.37 | 17,872 |
| 2026-05-12 | Fields Gary D | Option exercise (derivative) | 26,018 | $48.91 | 21,173 |
| 2026-05-12 | Fields Gary D | Option exercise (derivative) | 5,253 | $31.69 | 0 |
| 2026-05-12 | Fields Gary D | Option exercise | 5,253 | $31.69 | 39,505 |
| 2026-05-12 | Fields Gary D | Open-market sale | 26,018 | $134.07 | 34,252 |
| 2026-05-12 | Fields Gary D | Option exercise | 26,018 | $48.91 | 60,270 |
| 2026-05-12 | Kouplen Angela | Grant / award | 1,290 | $0.00 | 39,159 |
| 2026-05-12 | Lawhorn Caron A | Grant / award | 1,290 | $0.00 | 18,675 |
| 2026-05-12 | LeClair Stephen O | Grant / award | 1,290 | $0.00 | 31,566 |
| 2026-05-12 | McElroy A H II | Grant / award | 1,290 | $0.00 | 75,380 |
| 2026-05-12 | Stewart David Raymond | Grant / award | 1,290 | $0.00 | 9,876 |
| 2026-05-12 | Ware Bruce | Grant / award | 1,290 | $0.00 | 9,876 |
| 2026-05-12 | ASBJORNSON NORMAN H | Grant / award | 1,290 | $0.00 | 98,794 |
| 2026-05-07 | Thompson Rebecca | Option exercise (derivative) | 9,672 | $29.48 | 0 |
| 2026-05-07 | Thompson Rebecca | Open-market sale | 9,672 | $136.59 | 27,681 |
| 2026-05-07 | Thompson Rebecca | Option exercise | 9,672 | $29.48 | 37,353 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.