AAON, INC.
Total Trades
113
Buys
6
Sells
55
Largest Trade
N/A
Insiders
12
Institutional Funds
327
Inst. Value
$1M+
Activist Filings
19
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Wakefield Stephen E | Executive Vice Pre… | BUY | $100K–$500K | 6K | $78.88 | Dec 15, 2025 |
| Fields Gary D | Director | SELL | $100K–$500K | 4K | $105.14 | Nov 13, 2025 |
| Fields Gary D | Director | EXERCISE | $100K–$500K | 4K | $35.17 | Nov 13, 2025 |
| Fields Gary D | Director | EXERCISE | $500K+ | 27K | $35.17 | Nov 12, 2025 |
| Fields Gary D | Director | SELL | $1M+ | 27K | $105.21 | Nov 12, 2025 |
| Shaub Matthew | Executive Vice Pre… | BUY | $15K–$50K | 428 | $81.70 | Sep 15, 2025 |
| Thompson Rebecca | CFO | EXERCISE | $100K–$500K | 9K | $24.63 | Sep 5, 2025 |
| Thompson Rebecca | CFO | SELL | $500K+ | 9K | $81.09 | Sep 5, 2025 |
| Eason Christopher Douglas | Principal Accounti… | EXERCISE | $500K+ | 12K | $45.71 | Aug 27, 2025 |
| Eason Christopher Douglas | Principal Accounti… | SELL | $1M+ | 12K | $85.08 | Aug 27, 2025 |
| Wichman Gordon Douglas | Insider | SELL | $1M+ | 25K | $104.68 | May 21, 2025 |
| Wichman Gordon Douglas | Insider | EXERCISE | $500K+ | 21K | $27.21 | May 21, 2025 |
| Fields Gary D | CEO | EXERCISE | $100K–$500K | 13K | $29.48 | May 8, 2025 |
| Fields Gary D | CEO | SELL | $1M+ | 74K | $97.23 | May 8, 2025 |
| Stewart David Raymond | Director | BUY | $50K–$100K | 1K | $80.86 | Mar 14, 2025 |
| Wakefield Stephen E | Vice President | SELL | $500K+ | 6K | $139.86 | Nov 26, 2024 |
| Fields Gary D | CEO | EXERCISE | $100K–$500K | 12K | $31.69 | Nov 26, 2024 |
| Fields Gary D | CEO | SELL | $1M+ | 12K | $139.66 | Nov 26, 2024 |
| Kidwell Casey | VP, Administration | SELL | $100K–$500K | 1K | $135.14 | Nov 20, 2024 |
| Kidwell Casey | VP, Administration | EXERCISE | $50K–$100K | 1K | $62.04 | Nov 20, 2024 |
| Fields Gary D | CEO | EXERCISE | $1M+ | 35K | $31.69 | Nov 18, 2024 |
| Fields Gary D | CEO | SELL | $1M+ | 35K | $132.03 | Nov 18, 2024 |
| Wichman Gordon Douglas | Vice President | SELL | $500K+ | 6K | $135.15 | Nov 15, 2024 |
| Wichman Gordon Douglas | Vice President | EXERCISE | $100K–$500K | 6K | $21.58 | Nov 15, 2024 |
| Kidwell Casey | VP, Administration | EXERCISE | $100K–$500K | 5K | $39.44 | Nov 13, 2024 |
| Kidwell Casey | VP, Administration | SELL | $500K+ | 5K | $136.38 | Nov 13, 2024 |
| Teis Robert | VP | SELL | $100K–$500K | 3K | $136.29 | Nov 13, 2024 |
| Fields Gary D | CEO | SELL | $1M+ | 28K | $76.13 | May 23, 2024 |
| Fields Gary D | CEO | EXERCISE | $500K+ | 28K | $27.58 | May 23, 2024 |
| Wakefield Stephen E | COO | EXERCISE | $1M+ | 30K | $37.51 | Dec 27, 2023 |
| Wakefield Stephen E | COO | SELL | $1M+ | 30K | $74.50 | Dec 27, 2023 |
| ASBJORNSON NORMAN H | Director | SELL | $100K–$500K | 5K | $63.92 | Nov 29, 2023 |
| Thompson Rebecca | CFO | SELL | $100K–$500K | 5K | $64.00 | Nov 29, 2023 |
| Thompson Rebecca | CFO | EXERCISE | $100K–$500K | 5K | $24.63 | Nov 29, 2023 |
| Stewart David Raymond | Director | BUY | $15K–$50K | 500 | $60.17 | Sep 19, 2023 |
| Wichman Gordon Douglas | Vice President | SELL | $100K–$500K | 6K | $66.11 | Sep 11, 2023 |
| Wichman Gordon Douglas | Vice President | EXERCISE | $100K–$500K | 6K | $26.08 | Sep 11, 2023 |
| Teis Robert | VP | EXERCISE | $50K–$100K | 2K | $24.50 | Sep 6, 2023 |
| Teis Robert | VP | SELL | $100K–$500K | 2K | $65.80 | Sep 6, 2023 |
| Fields Gary D | President and CEO | EXERCISE | $1M+ | 30K | $41.37 | Jun 16, 2023 |
| Fields Gary D | President and CEO | SELL | $1M+ | 30K | $93.80 | Jun 16, 2023 |
| Kidwell Casey | VP, Administration | SELL | $100K–$500K | 3K | $95.01 | Jun 8, 2023 |
| Kidwell Casey | VP, Administration | EXERCISE | $100K–$500K | 3K | $59.17 | Jun 8, 2023 |
| Thompson Rebecca | CFO | EXERCISE | $100K–$500K | 7K | $36.95 | Jun 8, 2023 |
| Thompson Rebecca | CFO | SELL | $500K+ | 7K | $95.00 | Jun 8, 2023 |
| Fields Gary D | President and CEO | SELL | $1M+ | 26K | $94.90 | May 15, 2023 |
| Fields Gary D | President and CEO | EXERCISE | $1M+ | 26K | $39.26 | May 15, 2023 |
| Wakefield Stephen E | COO | BUY | $15K–$50K | 516 | $89.30 | Mar 14, 2023 |
| Kidwell Casey | VP, Administration | EXERCISE | $100K–$500K | 2K | $64.47 | Mar 10, 2023 |
| Kidwell Casey | VP, Administration | GRANT | N/A | 831 | — | Mar 10, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 327 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 2.0M | $1M+ | SH |
| WASATCH ADVISORS LP | 1.8M | $1M+ | SH |
| Conestoga Capital Advisors, LLC | 1.8M | $1M+ | SH |
| Champlain Investment Partners, LLC | 1.7M | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 1.6M | $1M+ | SH |
| Impax Asset Management Group plc | 1.4M | $1M+ | SH |
| Capital International Investors | 1.3M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 1.3M | $1M+ | SH |
| GENEVA CAPITAL MANAGEMENT LLC | 1.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $1M+ | SH |
| Pictet Asset Management Holding SA | 879K | $1M+ | SH |
| Mawer Investment Management Ltd. | 766K | $1M+ | SH |
| BROWN ADVISORY INC | 746K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 697K | $1M+ | SH |
| BOKF, NA | 682K | $1M+ | SH |
| Copeland Capital Management, LLC | 656K | $1M+ | SH |
| Stephens Investment Management Group LLC | 636K | $1M+ | SH |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 604K | $1M+ | SH |
| Capital World Investors | 581K | $1M+ | SH |
| Pembroke Management, LTD | 547K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Wellington Management Group LLP
SC 13G/A · Feb 10, 2026
8.4%
6.8M shares
Wellington Management Group LLP
SC 13G · Nov 12, 2025
5.8%
4.7M shares
SC 13G/A · Apr 17, 2025
7.7%
6.3M shares
SC 13G/A · Feb 5, 2025
8.7%
7.1M shares
Kayne Anderson Rudnick Investment Management, LLC 95-4575414
SC 13G/A · Nov 13, 2024
4.3%
3.5M shares
SC 13G/A · Nov 12, 2024
7.6%
6.2M shares
SC 13G · Nov 4, 2024
7.6%
6.2M shares
SC 13G/A · Jul 8, 2024
7.6%
6.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
8.9%
7.2M shares
Kayne Anderson Rudnick Investment Management, LLC 95-4575414
SC 13G/A · Feb 13, 2024
5.1%
4.2M shares
SC 13G/A · Jan 23, 2024
12.7%
10.3M shares
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 95-4575414
SC 13G/A · Feb 14, 2023
6.1%
3.2M shares
SC 13G/A · Feb 10, 2023
1.6%
871K shares
SC 13G/A · Jan 26, 2023
12.4%
6.6M shares
SC 13G · Jan 20, 2023
12.4%
6.6M shares
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 95-4575414
SC 13G/A · Feb 11, 2022
8.4%
4.4M shares
SC 13G/A · Feb 11, 2022
5.8%
3.0M shares
SC 13G/A · Jan 27, 2022
12.0%
6.3M shares
SC 13G/A · Jan 25, 2022
12.0%
6.3M shares