Comparable stake leader
Mark S. Comora
SEC ownership of OPAL Fuels Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001842279.
Disclosed value leader
Mark S. Comora
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- OPAL on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Mark S. Comora
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Mark S. Comora
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001842279
- Issuer location
- Boston, MA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of OPAL Fuels Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Mark S. Comora
Disclosed value leader
Mark S. Comora
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 84%
13D/G row: Mark S. Comora
Showing 1-8 of 50 holder rows.
Quick read
Mark S. Comora leads the comparable SEC ownership view at 84%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Mark S. Comora's linked filing trail.
Comparable ownership
Top 5
Mark S. Comora
84%
Invesco Ltd.
18%
NEXTERA ENERGY INC
7.4%
BARCLAYS PLC
6.8%
Zimmer Partners, LP
4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Mark S. Comora |
13D/G
3/4/5
Mark Comora · Director, 10%+ Owner
|
84%
|
$254,338,611
145,336,349 shares
|
$0 | 22 Apr 2025 |
| Invesco Ltd. |
13D/G
13F
Company
|
18%
|
$12,271,972
5,206,386 shares
|
+$5,347,649 | 31 Dec 2025 |
| NEXTERA ENERGY INC |
13D/G
|
7.4%
|
$4,856,731
2,158,547 shares
|
$0 | 10 Mar 2026 |
| BARCLAYS PLC |
13D/G
13F
Company
|
6.8%
|
$3,401,501
1,943,715 shares
|
$0 | 30 Sep 2024 |
| Zimmer Partners, LP |
13D/G
|
4%
|
$2,012,661
1,150,092 shares
|
$0 | 31 Mar 2025 |
| ARES MANAGEMENT LLC |
3/4/5
13F
10%+ Owner · Company
|
10%
from 13F
|
$17,240,468
3,059,533 shares
|
— | 21 Jul 2022 |
| Electron Capital Partners, LLC |
13F
Company
|
6.2%
|
$4,536,000
1,800,000 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
4.3%
|
$3,150,713
1,250,283 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$376,083.
Buys
$376,083
Insiders: 4
Sells
$0
Insiders: 0
Net
+$376,083
Shares: +180,000
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 180,000
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 140,000 | 0 | $283,718 | $0 | +$283,718 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 40,000 | 0 | $92,365 | $0 | +$92,365 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 31 reporting-owner rows connected to OPAL Fuels Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
31
Largest Forms 3/4/5 holder
ARES MANAGEMENT LLC
Net 12M change
+$376,083
Latest report
11 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| ARES MANAGEMENT LLC | 10%+ Owner | $17,240,468 | Mixed | 21 Jul 2022 | ||
| Daniel R. Revers | 10%+ Owner | $13,500,603 | Mixed | 15 Dec 2023 | ||
| ArcLight CTC Holdings II, L.P. | 10%+ Owner | $13,007,327 | Mixed | 27 Apr 2023 | ||
| Mark S. Comora | Director, 10%+ Owner | $2,303,007 | Mixed | 31 Mar 2026 | ||
| Adam Comora | Co-Chief Executive Officer | $1,935,868 | +$92,365 | +5% | Mixed | 31 Mar 2026 |
| Marco F. Gatti | Director | $1,929,317 | Mixed | 28 Jun 2023 | ||
| Jonathan Gilbert Maurer | Co-Chief Executive Officer | $1,752,646 | Mixed | 31 Mar 2026 | ||
| John Coghlin | General Counsel | $1,303,267 | Mixed | 31 Mar 2026 | ||
| Nadeem Nisar | Director | $880,613 | +$84,450 | +11% | Mixed | 02 Jun 2026 |
| Kazi Hasan | Chief Financial Officer | $872,023 | Mixed | 31 Mar 2026 | ||
| David C. Unger | Executive Vice President | $858,869 | Mixed | 31 Mar 2026 | ||
| Dols Scott V | Director | $814,441 | +$101,768 | +14% | Mixed | 20 May 2026 |
| Ashok Vemuri | Director | $612,255 | Mixed | 31 Mar 2026 | ||
| Betsy L. Battle | Director | $612,255 | Mixed | 31 Mar 2026 | ||
| Darrell Birck | Executive Vice President | $603,895 | Mixed | 31 Mar 2026 | ||
| Kevin Michael Fogarty | Director | $600,419 | Mixed | 31 Mar 2025 | ||
| Anthony Ann T. | Chief Financial Officer | $589,132 | Mixed | 03 Oct 2023 | ||
| James J. Martell | Director | $575,609 | Mixed | 31 Mar 2026 | ||
| Anthony Falbo | Chief Operating Officer | $222,220 | Mixed | 21 May 2024 | ||
| Scott Edelbach | Executive Vice President | $198,196 | Mixed | 08 Apr 2025 |
Recent insider transactions for OPAL Fuels Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Scott McDougald Sutton | OPAL | Class A common stock | Purchase | $97,500 | $1.95 | 50,000 | 50,000 | 11 Jun 2026 | Direct | |
| Nadeem Nisar | OPAL | Class A common stock | Purchase | 2.06% | $11,250 | $2.25 | 5,000 | 247,785 | 03 Jun 2026 | Direct |
| Nadeem Nisar | OPAL | Class A common stock | Purchase | 4.3% | $23,200 | $2.32 | 10,000 | 242,785 | 02 Jun 2026 | Direct |
| Scott Dols V | OPAL | Class A common stock | Purchase | 3.34% | $15,892 | $2.00 | 7,946 | 245,672 | 21 May 2026 | Direct |
| Scott Dols V | OPAL | Class A common stock | Purchase | 1.86% | $8,953 | $2.06 | 4,346 | 237,726 | 20 May 2026 | Direct |
| Scott Dols V | OPAL | Class A common stock | Purchase | 12% | $51,465 | $2.05 | 25,105 | 233,380 | 19 May 2026 | Direct |
| Scott Dols V | OPAL | Class A common stock | Purchase | 6.44% | $25,458 | $2.02 | 12,603 | 208,275 | 18 May 2026 | Direct |
| Nadeem Nisar | OPAL | Class A common stock | Purchase | 2.2% | $10,100 | $2.02 | 5,000 | 232,785 | 18 May 2026 | Direct |
| Nadeem Nisar | OPAL | Class A common stock | Purchase | 4.59% | $19,400 | $1.94 | 10,000 | 227,785 | 15 May 2026 | Direct |
| Nadeem Nisar | OPAL | Class A common stock | Purchase | 4.81% | $20,500 | $2.05 | 10,000 | 217,785 | 14 May 2026 | Direct |
| Mark S. Comora | OPAL | Class A common stock | Options Exercise | 116.5% | 66,073 | 122,785 | 31 Mar 2026 | Direct | ||
| Mark S. Comora | OPAL | Restricted Stock Units | Award | 54,773 | 54,773 | 31 Mar 2026 | Direct | |||
| Mark S. Comora | OPAL | Restricted Stock Units | Options Exercise | -100% | -66,073 | 0 | 31 Mar 2026 | Direct | ||
| Jonathan Gilbert Maurer | OPAL | Class A common stock | Tax liability | -34.3% | -104,349 | 199,654 | 31 Mar 2026 | Direct | ||
| Jonathan Gilbert Maurer | OPAL | Class A common stock | Options Exercise | 248.8% | 289,458 | 405,774 | 31 Mar 2026 | Direct | ||
| Jonathan Gilbert Maurer | OPAL | Stock options (right to buy) | Award | 226,640 | 226,640 | 31 Mar 2026 | Direct | |||
| Jonathan Gilbert Maurer | OPAL | Restricted Stock Units | Award | 405,729 | 405,729 | 31 Mar 2026 | Direct | |||
| Jonathan Gilbert Maurer | OPAL | Restricted Stock Units | Options Exercise | -100% | -289,458 | 0 | 31 Mar 2026 | Direct | ||
| John Coghlin | OPAL | Class A common stock | Tax liability | -33.5% | -41,948 | 83,184 | 31 Mar 2026 | Direct | ||
| John Coghlin | OPAL | Class A common stock | Options Exercise | 247% | 116,365 | 163,485 | 31 Mar 2026 | Direct | ||
| John Coghlin | OPAL | Stock options (right to buy) | Award | 90,656 | 90,656 | 31 Mar 2026 | Direct | |||
| John Coghlin | OPAL | Restricted Stock Units | Award | 162,292 | 162,292 | 31 Mar 2026 | Direct | |||
| John Coghlin | OPAL | Restricted Stock Units | Options Exercise | -100% | -116,365 | 0 | 31 Mar 2026 | Direct | ||
| David C. Unger | OPAL | Class A common stock | Tax liability | -25.6% | -60,251 | 175,586 | 31 Mar 2026 | Direct | ||
| David C. Unger | OPAL | Class A common stock | Options Exercise | 207.4% | 167,136 | 247,729 | 31 Mar 2026 | Direct | ||
| David C. Unger | OPAL | Stock options (right to buy) | Award | 56,660 | 56,660 | 31 Mar 2026 | Direct | |||
| David C. Unger | OPAL | Restricted Stock Units | Award | 101,433 | 101,433 | 31 Mar 2026 | Direct | |||
| David C. Unger | OPAL | Restricted Stock Units | Options Exercise | -100% | -167,136 | 0 | 31 Mar 2026 | Direct | ||
| Darrell Birck | OPAL | Class A common stock | Tax liability | -24.4% | -8,938 | 27,770 | 31 Mar 2026 | Direct | ||
| Darrell Birck | OPAL | Class A common stock | Options Exercise | 36,708 | 36,708 | 31 Mar 2026 | Direct | |||
| Darrell Birck | OPAL | Stock options (right to buy) | Award | 62,326 | 62,326 | 31 Mar 2026 | Direct | |||
| Darrell Birck | OPAL | Restricted Stock Units | Award | 111,576 | 111,576 | 31 Mar 2026 | Direct | |||
| Darrell Birck | OPAL | Restricted Stock Units | Options Exercise | -33.3% | -36,708 | 73,414 | 31 Mar 2026 | Direct | ||
| Kazi Hasan | OPAL | Class A common stock | Tax liability | -62.8% | -79,397 | 46,949 | 31 Mar 2026 | Direct | ||
| Kazi Hasan | OPAL | Class A common stock | Options Exercise | 220,244 | 193,778 | 31 Mar 2026 | Direct | |||
| Kazi Hasan | OPAL | Stock options (right to buy) | Award | 101,988 | 101,988 | 31 Mar 2026 | Direct | |||
| Kazi Hasan | OPAL | Restricted Stock Units | Award | 182,579 | 182,579 | 31 Mar 2026 | Direct | |||
| Kazi Hasan | OPAL | Restricted Stock Units | Options Exercise | -60% | -220,244 | 146,828 | 31 Mar 2026 | Direct | ||
| Adam Comora | OPAL | Class A common stock | Tax liability | -27.3% | -104,349 | 277,455 | 31 Mar 2026 | Direct | ||
| Adam Comora | OPAL | Class A common stock | Options Exercise | 149.1% | 289,458 | 483,575 | 31 Mar 2026 | Direct | ||
| Adam Comora | OPAL | Stock options (right to buy) | Award | 226,640 | 226,640 | 31 Mar 2026 | Direct | |||
| Adam Comora | OPAL | Restricted Stock Units | Award | 405,729 | 405,729 | 31 Mar 2026 | Direct | |||
| Adam Comora | OPAL | Restricted Stock Units | Options Exercise | -100% | -289,458 | 0 | 31 Mar 2026 | Direct | ||
| Scott McDougald Sutton | OPAL | Restricted Stock Units | Award | 234.7% | 54,773 | 78,113 | 31 Mar 2026 | Direct | ||
| Lance D. Moll | OPAL | Restricted Stock Units | Award | 205.3% | 54,773 | 81,453 | 31 Mar 2026 | Direct | ||
| Scott Dols V | OPAL | Class A common stock | Options Exercise | 51% | 66,073 | 195,672 | 31 Mar 2026 | Direct | ||
| Scott Dols V | OPAL | Restricted Stock Units | Award | 54,773 | 54,773 | 31 Mar 2026 | Direct | |||
| Scott Dols V | OPAL | Restricted Stock Units | Options Exercise | -100% | -66,073 | 0 | 31 Mar 2026 | Direct | ||
| Nadeem Nisar | OPAL | Class A common stock | Options Exercise | 46.6% | 66,073 | 207,785 | 31 Mar 2026 | Direct | ||
| Nadeem Nisar | OPAL | Restricted Stock Units | Award | 54,773 | 54,773 | 31 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.