According to recent filings covering the 90 days ending February 15, 2026, the three most significant insider holders at OPAL Fuels are Director Mark S Comora (121.56Mn shares), TenPercentOwner Holdco Llc Opal (71.50Mn shares), TenPercentOwner Ctc Holdings Ii, L.P. Arclight (10.56Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Mark S Comora | 121,556,712 | 02 Apr, 2025 | |
| Holdco Llc Opal | 71,500,000 | 14 Mar, 2024 | |
| Ctc Holdings Ii, L.P. Arclight | 10,559,634 | 06 Feb, 2023 | |
| Daniel R Revers | 2,395,848 | 19 Dec, 2023 | |
| Marco F. Gatti | 342,381 | 22 May, 2023 | |
| Adam Comora | Co Chief Executive Officer | 254,517 | 19 Aug, 2025 |
| Jonathan Gilbert Maurer | Co Chief Executive Officer | 176,716 | 27 May, 2025 |
| Scott V. Dols | 164,422 | 27 May, 2025 | |
| Nadeem Nisar | 141,712 | 16 Jun, 2025 | |
| David C Unger | Executive Vice President | 123,976 | 02 Apr, 2025 |
| Kevin Michael Fogarty | 106,712 | 02 Apr, 2025 | |
| John Coghlin | General Counsel | 72,480 | 02 Apr, 2025 |
| Betsy L. Battle | 56,712 | 02 Apr, 2025 | |
| Ashok Vemuri | 56,712 | 02 Apr, 2025 | |
| James J Martell | 41,151 | 02 Apr, 2025 | |
| Steven Berkenfeld | 35,000 | 25 Jul, 2022 | |
| Arno Harris | 35,000 | 25 Jul, 2022 | |
| Brian Goncher | 35,000 | 25 Jul, 2022 | |
| Ja-Chin Lee | 35,000 | 25 Jul, 2022 | |
| Ann T Anthony | Chief Financial Officer | 22,831 | 05 Oct, 2023 |
| Scott Edelbach | Executive Vice President | 22,065 | 02 Apr, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 18 Aug, 2025 | Adam Comora | Class A common stock | A | 18,256 | $2.32 | 254,517 | D | P |
| 15 Aug, 2025 | Adam Comora | Class A common stock | A | 21,744 | $2.30 | 236,261 | D | P |
| 13 Jun, 2025 | Nadeem Nisar | Class A common stock | A | 10,000 | $3.17 | 141,712 | D | P |
| 13 Jun, 2025 | Adam Comora | Class A common stock | A | 100 | $3.10 | 214,517 | D | P |
| 12 Jun, 2025 | Adam Comora | Class A common stock | A | 2,600 | $3.06 | 214,417 | D | P |
| 11 Jun, 2025 | Adam Comora | Class A common stock | A | 5,400 | $3.08 | 211,817 | D | P |
| 23 May, 2025 | Jonathan Gilbert Maurer | - | - | 176,716 | D | |||
| 23 May, 2025 | Jonathan Gilbert Maurer | Class A common stock | A | 25,000 | $2.74 | 176,716 | D | P |
| 23 May, 2025 | Nadeem Nisar | Class A common stock | A | 5,000 | $2.87 | 131,712 | D | P |
| 23 May, 2025 | Scott V. Dols | Class A common stock | A | 12,700 | $2.72 | 129,599 | D | P |
| 22 May, 2025 | Nadeem Nisar | Class A common stock | A | 10,000 | $2.54 | 126,712 | D | P |
| 22 May, 2025 | Scott V. Dols | Class A common stock | A | 37,532 | $2.51 | 116,899 | D | P |
| 22 May, 2025 | Adam Comora | Class A common stock | A | 8,400 | $2.50 | 206,417 | D | P |
| 21 May, 2025 | Nadeem Nisar | Class A common stock | A | 5,000 | $2.50 | 116,712 | D | P |
| 21 May, 2025 | Scott V. Dols | Class A common stock | A | 9,477 | $2.50 | 79,367 | D | P |
| 21 May, 2025 | Adam Comora | Class A common stock | A | 16,600 | $2.49 | 198,017 | D | P |
| 20 May, 2025 | Nadeem Nisar | - | - | 111,712 | D | |||
| 20 May, 2025 | Nadeem Nisar | Class A common stock | A | 5,000 | $2.53 | 111,712 | D | P |
| 20 May, 2025 | Scott V. Dols | - | - | 69,890 | D | |||
| 20 May, 2025 | Scott V. Dols | Class A common stock | A | 12,378 | $2.50 | 69,890 | D | P |