OPAL Fuels Inc. (OPAL)

Data as of Sep 8, 2026, from SEC Form 4 filings.

Net insider buying (90d)Watch OPAL

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Latest OPAL insider trades

Adam Comora - Officer
Open-market purchase$42K
Sep 3, 2026
Adam Comora - Officer
Open-market purchase$97K
Sep 1, 2026

About OPAL Fuels Inc. (OPAL)

The SEC lists OPAL Fuels Inc. under CIK 0001842279, in gas and other services combined. It is grouped with Utilities companies on this site.

Sector: Utilities

SEC filings for OPAL on EDGAR

OPAL Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market purchase	4	90,000	$177K

OPAL insider transactions (Form 4)

108

27 Form 4 filings on record, the earliest from Aug 19, 2025, newest first.

Date	Insider	Transaction	Security	Shares	Price	Value
Sep 3, 2026	Adam Comora - Officer	Open-market purchase	Class A common stock	20,000	$2.08^{footnote F1}	$42K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $2.06 and $2.11. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR
Sep 1, 2026	Adam Comora - Officer	Open-market purchase	Class A common stock	50,000	$1.93^{footnote F1}	$97K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $1.90 and $1.97. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR
Aug 31, 2026	Nadeem Nisar - Director	Open-market purchase	Class A common stock	10,000	$1.98^{footnote F1}	$20K
Sep 1, 2026	Nadeem Nisar - Director	Open-market purchase	Class A common stock	10,000	$1.91^{footnote F1}	$19K
Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at the reported price.
Jun 11, 2026	Scott McDougald Sutton - Director	Open-market purchase	Class A common stock	50,000	$1.95^{footnote F1}	$98K
Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this… Full note on SEC EDGAR
Jun 2, 2026	Nadeem Nisar - Director	Open-market purchase	Class A common stock	10,000	$2.32^{footnote F1}	$23K
Jun 3, 2026	Nadeem Nisar - Director	Open-market purchase	Class A common stock	5,000	$2.25^{footnote F1}	$11K
Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this… Full note on SEC EDGAR
May 20, 2026	Scott V. Dols - Director	Open-market purchase	Class A common stock	4,346	$2.06^{footnote F1}	$9K
May 21, 2026	Scott V. Dols - Director	Open-market purchase	Class A common stock	7,946	$2.00^{footnote F2}	$16K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $2.02 and $2.09. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $1.98 and $2.02. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR
May 18, 2026	Scott V. Dols - Director	Open-market purchase	Class A common stock	12,603	$2.02^{footnote F1}	$25K
May 19, 2026	Scott V. Dols - Director	Open-market purchase	Class A common stock	25,105	$2.05^{footnote F2}	$51K
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $1.94 and $2.06. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $1.99 and $2.10. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR
May 18, 2026	Nadeem Nisar - Director	Open-market purchase	Class A common stock	5,000	$2.02^{footnote F1}	$10K
Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this… Full note on SEC EDGAR
May 14, 2026	Nadeem Nisar - Director	Open-market purchase	Class A common stock	10,000	$2.05^{footnote F1}	$21K
May 15, 2026	Nadeem Nisar - Director	Open-market purchase	Class A common stock	10,000	$1.94^{footnote F1}	$19K
Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this… Full note on SEC EDGAR
Mar 31, 2026	Mark S. Comora - Director	Option exercise	Class A common stock	66,073	-^{footnote F1}	-
Mar 31, 2026	Mark S. Comora - Director	Option exercise	Restricted Stock Units	66,073	$0.00	-
Mar 31, 2026	Mark S. Comora - Director	Grant or award	Restricted Stock Units	54,773	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Option exercise	Class A common stock	35,868	-^{footnote F1}	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Tax withholding / forfeiture	Class A common stock	12,930	$2.52	$33K
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Option exercise	Class A common stock	67,204	-^{footnote F1}	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Tax withholding / forfeiture	Class A common stock	24,227	$2.52	$61K
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Option exercise	Class A common stock	163,143	-^{footnote F1}	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Tax withholding / forfeiture	Class A common stock	58,813	$2.52	$148K
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Option exercise	Class A common stock	23,243	-^{footnote F1}	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Tax withholding / forfeiture	Class A common stock	8,379	$2.52	$21K
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Option exercise	Restricted Stock Units	35,868	$0.00	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Option exercise	Restricted Stock Units	67,204	$0.00	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Option exercise	Restricted Stock Units	163,143	$0.00	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Option exercise	Restricted Stock Units	23,243	$0.00	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Grant or award	Restricted Stock Units	405,729	$0.00	-
Mar 31, 2026	Jonathan Gilbert Maurer - Officer	Grant or award	Stock options (right to buy)	226,640	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	John Coghlin - Officer	Option exercise	Class A common stock	16,738	-^{footnote F1}	-
Mar 31, 2026	John Coghlin - Officer	Tax withholding / forfeiture	Class A common stock	6,034	$2.52	$15K
Mar 31, 2026	John Coghlin - Officer	Option exercise	Class A common stock	23,522	-^{footnote F1}	-
Mar 31, 2026	John Coghlin - Officer	Tax withholding / forfeiture	Class A common stock	8,479	$2.52	$21K
Mar 31, 2026	John Coghlin - Officer	Option exercise	Class A common stock	65,258	-^{footnote F1}	-
Mar 31, 2026	John Coghlin - Officer	Tax withholding / forfeiture	Class A common stock	23,525	$2.52	$59K
Mar 31, 2026	John Coghlin - Officer	Option exercise	Class A common stock	10,847	-^{footnote F1}	-
Mar 31, 2026	John Coghlin - Officer	Tax withholding / forfeiture	Class A common stock	3,910	$2.52	$10K
Mar 31, 2026	John Coghlin - Officer	Option exercise	Restricted Stock Units	16,738	$0.00	-
Mar 31, 2026	John Coghlin - Officer	Option exercise	Restricted Stock Units	23,522	$0.00	-
Mar 31, 2026	John Coghlin - Officer	Option exercise	Restricted Stock Units	65,258	$0.00	-
Mar 31, 2026	John Coghlin - Officer	Option exercise	Restricted Stock Units	10,847	$0.00	-
Mar 31, 2026	John Coghlin - Officer	Grant or award	Restricted Stock Units	162,292	$0.00	-
Mar 31, 2026	John Coghlin - Officer	Grant or award	Stock options (right to buy)	90,656	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	David C. Unger - Officer	Option exercise	Class A common stock	80,703	-^{footnote F1}	-
Mar 31, 2026	David C. Unger - Officer	Tax withholding / forfeiture	Class A common stock	29,093	$2.52	$73K
Mar 31, 2026	David C. Unger - Officer	Option exercise	Class A common stock	23,522	-^{footnote F1}	-
Mar 31, 2026	David C. Unger - Officer	Tax withholding / forfeiture	Class A common stock	8,479	$2.52	$21K
Mar 31, 2026	David C. Unger - Officer	Option exercise	Class A common stock	57,100	-^{footnote F1}	-
Mar 31, 2026	David C. Unger - Officer	Tax withholding / forfeiture	Class A common stock	20,584	$2.52	$52K
Mar 31, 2026	David C. Unger - Officer	Option exercise	Class A common stock	5,811	-^{footnote F1}	-
Mar 31, 2026	David C. Unger - Officer	Tax withholding / forfeiture	Class A common stock	2,095	$2.52	$5K
Mar 31, 2026	David C. Unger - Officer	Option exercise	Restricted Stock Units	80,703	$0.00	-
Mar 31, 2026	David C. Unger - Officer	Option exercise	Restricted Stock Units	23,522	$0.00	-
Mar 31, 2026	David C. Unger - Officer	Option exercise	Restricted Stock Units	57,100	$0.00	-
Mar 31, 2026	David C. Unger - Officer	Option exercise	Restricted Stock Units	5,811	$0.00	-
Mar 31, 2026	David C. Unger - Officer	Grant or award	Restricted Stock Units	101,433	$0.00	-
Mar 31, 2026	David C. Unger - Officer	Grant or award	Stock options (right to buy)	56,660	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	Darrell Birck - Officer	Option exercise	Class A common stock	36,708	-^{footnote F1}	-
Mar 31, 2026	Darrell Birck - Officer	Tax withholding / forfeiture	Class A common stock	8,938	$2.52	$23K
Mar 31, 2026	Darrell Birck - Officer	Option exercise	Restricted Stock Units	36,708	$0.00	-
Mar 31, 2026	Darrell Birck - Officer	Grant or award	Restricted Stock Units	111,576	$0.00	-
Mar 31, 2026	Darrell Birck - Officer	Grant or award	Stock options (right to buy)	62,326	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	Kazi Hasan - Officer	Option exercise	Class A common stock	73,415	-^{footnote F1}	-
Mar 31, 2026	Kazi Hasan - Officer	Tax withholding / forfeiture	Class A common stock	26,466	$2.52	$67K
Mar 31, 2026	Kazi Hasan - Officer	Option exercise	Class A common stock	146,829	-^{footnote F1}	-
Mar 31, 2026	Kazi Hasan - Officer	Tax withholding / forfeiture	Class A common stock	52,931	$2.52	$133K
Mar 31, 2026	Kazi Hasan - Officer	Option exercise	Restricted Stock Units	73,415	$0.00	-
Mar 31, 2026	Kazi Hasan - Officer	Option exercise	Restricted Stock Units	146,829	$0.00	-
Mar 31, 2026	Kazi Hasan - Officer	Grant or award	Restricted Stock Units	182,579	$0.00	-
Mar 31, 2026	Kazi Hasan - Officer	Grant or award	Stock options (right to buy)	101,988	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	Adam Comora - Officer	Option exercise	Class A common stock	35,868	-^{footnote F1}	-
Mar 31, 2026	Adam Comora - Officer	Tax withholding / forfeiture	Class A common stock	12,930	$2.52	$33K
Mar 31, 2026	Adam Comora - Officer	Option exercise	Class A common stock	67,204	-^{footnote F1}	-
Mar 31, 2026	Adam Comora - Officer	Tax withholding / forfeiture	Class A common stock	24,227	$2.52	$61K
Mar 31, 2026	Adam Comora - Officer	Option exercise	Class A common stock	163,143	-^{footnote F1}	-
Mar 31, 2026	Adam Comora - Officer	Tax withholding / forfeiture	Class A common stock	58,813	$2.52	$148K
Mar 31, 2026	Adam Comora - Officer	Option exercise	Class A common stock	23,243	-^{footnote F1}	-
Mar 31, 2026	Adam Comora - Officer	Tax withholding / forfeiture	Class A common stock	8,379	$2.52	$21K
Mar 31, 2026	Adam Comora - Officer	Option exercise	Restricted Stock Units	35,868	$0.00	-
Mar 31, 2026	Adam Comora - Officer	Option exercise	Restricted Stock Units	67,204	$0.00	-
Mar 31, 2026	Adam Comora - Officer	Option exercise	Restricted Stock Units	163,143	$0.00	-
Mar 31, 2026	Adam Comora - Officer	Option exercise	Restricted Stock Units	23,243	$0.00	-
Mar 31, 2026	Adam Comora - Officer	Grant or award	Restricted Stock Units	405,729	$0.00	-
Mar 31, 2026	Adam Comora - Officer	Grant or award	Stock options (right to buy)	226,640	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	Scott McDougald Sutton - Director	Grant or award	Restricted Stock Units	54,773	$0.00	-
Mar 31, 2026	Lance D. Moll - Director	Grant or award	Restricted Stock Units	54,773	$0.00	-
Mar 31, 2026	Scott V. Dols - Director	Option exercise	Class A common stock	66,073	-^{footnote F1}	-
Mar 31, 2026	Scott V. Dols - Director	Option exercise	Restricted Stock Units	66,073	$0.00	-
Mar 31, 2026	Scott V. Dols - Director	Grant or award	Restricted Stock Units	54,773	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	Nadeem Nisar - Director	Option exercise	Class A common stock	66,073	-^{footnote F1}	-
Mar 31, 2026	Nadeem Nisar - Director	Option exercise	Restricted Stock Units	66,073	$0.00	-
Mar 31, 2026	Nadeem Nisar - Director	Grant or award	Restricted Stock Units	54,773	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	James J. Martell - Director	Option exercise	Class A common stock	66,073	-^{footnote F1}	-
Mar 31, 2026	James J. Martell - Director	Option exercise	Restricted Stock Units	66,073	$0.00	-
Mar 31, 2026	James J. Martell - Director	Grant or award	Restricted Stock Units	54,773	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	Ashok Vemuri - Director	Option exercise	Class A common stock	66,073	-^{footnote F1}	-
Mar 31, 2026	Ashok Vemuri - Director	Option exercise	Restricted Stock Units	66,073	$0.00	-
Mar 31, 2026	Ashok Vemuri - Director	Grant or award	Restricted Stock Units	54,773	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 31, 2026	Betsy L. Battle - Director	Option exercise	Class A common stock	66,073	-^{footnote F1}	-
Mar 31, 2026	Betsy L. Battle - Director	Option exercise	Restricted Stock Units	66,073	$0.00	-
Mar 31, 2026	Betsy L. Battle - Director	Grant or award	Restricted Stock Units	54,773	$0.00	-
Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.
Mar 6, 2026	Mark S. Comora - Director	Open-market purchase	Warrants (right to buy)	3,000,000	-^{footnote F1}	-
Footnote F1 (price): On March 6 2026, OPAL Fuels LLC, a subsidiary of OPAL Fuels Inc., entered into a transaction with an affiliate of Fortistar LLC (the Investor). In connection with the underlying documentation, the Company issued the Investor a warrant (the Warrant) to purchase up to 3,000,000… Full note on SEC EDGAR
Nov 1, 2025	Scott McDougald Sutton - Director	Grant or award	Restricted Stock Units	23,340	$0.00	-
Oct 1, 2025	Lance D. Moll - Director	Grant or award	Restricted Stock Units	26,680	$0.00	-
Aug 15, 2025	Adam Comora - Officer	Open-market purchase	Class A common stock	21,744	$2.30	$50K
Aug 18, 2025	Adam Comora - Officer	Open-market purchase	Class A common stock	18,256	$2.32	$42K

Recent OPAL Form 8-K filings

Read OPAL company news

Aug 10, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Jul 28, 2026Item 7.01, 9.01

Read the filing on SEC EDGAR

Jun 22, 2026Item 5.07, 9.01

Read the filing on SEC EDGAR

Jun 3, 2026Item 8.01, 9.01

OPAL insider trading FAQ

What is the latest insider trade for OPAL?

OPAL Fuels Inc. (OPAL) had 3 insider filings in the last 90 days, with the most recent on 2026-09-08. The full record for OPAL runs to 27 Form 4 filings, the earliest from 2025-08-19. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying OPAL stock?

4 insider purchases of OPAL were filed in the last 90 days, totaling $177K.

How many insiders are selling OPAL stock?

No insider sales of OPAL were filed in the last 90 days.

Where can I see OPAL SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects OPAL Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Utilities companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Sep 8, 2026 - Adam Comora view on EDGAR
Sep 2, 2026 - Adam Comora view on EDGAR
Sep 2, 2026 - Nadeem Nisar view on EDGAR
Jun 15, 2026 - Scott McDougald Sutton view on EDGAR
Jun 4, 2026 - Nadeem Nisar view on EDGAR
May 21, 2026 - Scott V. Dols view on EDGAR
May 20, 2026 - Scott V. Dols view on EDGAR
May 20, 2026 - Nadeem Nisar view on EDGAR
May 18, 2026 - Nadeem Nisar view on EDGAR

Related companies with recent insider activity

Learn more

How to read insider buying signals: What an open-market purchase by an insider can and cannot tell you.
Insider activity in Utilities: Where OPAL's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market purchase

90,000

$177K

Date

Insider

Transaction

Security

Price

Value

Sep 3, 2026

Adam Comora - Officer

Open-market purchase

Class A common stock

20,000

$2.08^{footnote F1}

$42K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $2.06 and $2.11. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR

Sep 1, 2026

Adam Comora - Officer

Open-market purchase

Class A common stock

50,000

$1.93^{footnote F1}

$97K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $1.90 and $1.97. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR

Aug 31, 2026

Nadeem Nisar - Director

Open-market purchase

Class A common stock

10,000

$1.98^{footnote F1}

$20K

Sep 1, 2026

Nadeem Nisar - Director

Open-market purchase

Class A common stock

10,000

$1.91^{footnote F1}

$19K

Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at the reported price.

Jun 11, 2026

Scott McDougald Sutton - Director

Open-market purchase

Class A common stock

50,000

$1.95^{footnote F1}

$98K

Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this… Full note on SEC EDGAR

Jun 2, 2026

Nadeem Nisar - Director

Open-market purchase

Class A common stock

10,000

$2.32^{footnote F1}

$23K

Jun 3, 2026

Nadeem Nisar - Director

Open-market purchase

Class A common stock

5,000

$2.25^{footnote F1}

$11K

Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this… Full note on SEC EDGAR

May 20, 2026

Scott V. Dols - Director

Open-market purchase

Class A common stock

4,346

$2.06^{footnote F1}

$9K

May 21, 2026

Scott V. Dols - Director

Open-market purchase

Class A common stock

7,946

$2.00^{footnote F2}

$16K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $2.02 and $2.09. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $1.98 and $2.02. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR

May 18, 2026

Scott V. Dols - Director

Open-market purchase

Class A common stock

12,603

$2.02^{footnote F1}

$25K

May 19, 2026

Scott V. Dols - Director

Open-market purchase

Class A common stock

25,105

$2.05^{footnote F2}

$51K

Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $1.94 and $2.06. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging between $1.99 and $2.10. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities… Full note on SEC EDGAR

May 18, 2026

Nadeem Nisar - Director

Open-market purchase

Class A common stock

5,000

$2.02^{footnote F1}

$10K

Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this… Full note on SEC EDGAR

May 14, 2026

Nadeem Nisar - Director

Open-market purchase

Class A common stock

10,000

$2.05^{footnote F1}

$21K

May 15, 2026

Nadeem Nisar - Director

Open-market purchase

Class A common stock

10,000

$1.94^{footnote F1}

$19K

Footnote F1 (price): The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this… Full note on SEC EDGAR

Mar 31, 2026

Mark S. Comora - Director

Option exercise

Class A common stock

66,073

-^{footnote F1}

Mar 31, 2026

Mark S. Comora - Director

Option exercise

Restricted Stock Units

66,073

$0.00

Mar 31, 2026

Mark S. Comora - Director

Grant or award

Restricted Stock Units

54,773

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Option exercise

Class A common stock

35,868

-^{footnote F1}

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Tax withholding / forfeiture

Class A common stock

12,930

$2.52

$33K

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Option exercise

Class A common stock

67,204

-^{footnote F1}

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Tax withholding / forfeiture

Class A common stock

24,227

$2.52

$61K

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Option exercise

Class A common stock

163,143

-^{footnote F1}

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Tax withholding / forfeiture

Class A common stock

58,813

$2.52

$148K

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Option exercise

Class A common stock

23,243

-^{footnote F1}

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Tax withholding / forfeiture

Class A common stock

8,379

$2.52

$21K

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Option exercise

Restricted Stock Units

35,868

$0.00

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Option exercise

Restricted Stock Units

67,204

$0.00

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Option exercise

Restricted Stock Units

163,143

$0.00

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Option exercise

Restricted Stock Units

23,243

$0.00

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Grant or award

Restricted Stock Units

405,729

$0.00

Mar 31, 2026

Jonathan Gilbert Maurer - Officer

Grant or award

Stock options (right to buy)

226,640

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

John Coghlin - Officer

Option exercise

Class A common stock

16,738

-^{footnote F1}

Mar 31, 2026

John Coghlin - Officer

Tax withholding / forfeiture

Class A common stock

6,034

$2.52

$15K

Mar 31, 2026

John Coghlin - Officer

Option exercise

Class A common stock

23,522

-^{footnote F1}

Mar 31, 2026

John Coghlin - Officer

Tax withholding / forfeiture

Class A common stock

8,479

$2.52

$21K

Mar 31, 2026

John Coghlin - Officer

Option exercise

Class A common stock

65,258

-^{footnote F1}

Mar 31, 2026

John Coghlin - Officer

Tax withholding / forfeiture

Class A common stock

23,525

$2.52

$59K

Mar 31, 2026

John Coghlin - Officer

Option exercise

Class A common stock

10,847

-^{footnote F1}

Mar 31, 2026

John Coghlin - Officer

Tax withholding / forfeiture

Class A common stock

3,910

$2.52

$10K

Mar 31, 2026

John Coghlin - Officer

Option exercise

Restricted Stock Units

16,738

$0.00

Mar 31, 2026

John Coghlin - Officer

Option exercise

Restricted Stock Units

23,522

$0.00

Mar 31, 2026

John Coghlin - Officer

Option exercise

Restricted Stock Units

65,258

$0.00

Mar 31, 2026

John Coghlin - Officer

Option exercise

Restricted Stock Units

10,847

$0.00

Mar 31, 2026

John Coghlin - Officer

Grant or award

Restricted Stock Units

162,292

$0.00

Mar 31, 2026

John Coghlin - Officer

Grant or award

Stock options (right to buy)

90,656

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

David C. Unger - Officer

Option exercise

Class A common stock

80,703

-^{footnote F1}

Mar 31, 2026

David C. Unger - Officer

Tax withholding / forfeiture

Class A common stock

29,093

$2.52

$73K

Mar 31, 2026

David C. Unger - Officer

Option exercise

Class A common stock

23,522

-^{footnote F1}

Mar 31, 2026

David C. Unger - Officer

Tax withholding / forfeiture

Class A common stock

8,479

$2.52

$21K

Mar 31, 2026

David C. Unger - Officer

Option exercise

Class A common stock

57,100

-^{footnote F1}

Mar 31, 2026

David C. Unger - Officer

Tax withholding / forfeiture

Class A common stock

20,584

$2.52

$52K

Mar 31, 2026

David C. Unger - Officer

Option exercise

Class A common stock

5,811

-^{footnote F1}

Mar 31, 2026

David C. Unger - Officer

Tax withholding / forfeiture

Class A common stock

2,095

$2.52

$5K

Mar 31, 2026

David C. Unger - Officer

Option exercise

Restricted Stock Units

80,703

$0.00

Mar 31, 2026

David C. Unger - Officer

Option exercise

Restricted Stock Units

23,522

$0.00

Mar 31, 2026

David C. Unger - Officer

Option exercise

Restricted Stock Units

57,100

$0.00

Mar 31, 2026

David C. Unger - Officer

Option exercise

Restricted Stock Units

5,811

$0.00

Mar 31, 2026

David C. Unger - Officer

Grant or award

Restricted Stock Units

101,433

$0.00

Mar 31, 2026

David C. Unger - Officer

Grant or award

Stock options (right to buy)

56,660

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

Darrell Birck - Officer

Option exercise

Class A common stock

36,708

-^{footnote F1}

Mar 31, 2026

Darrell Birck - Officer

Tax withholding / forfeiture

Class A common stock

8,938

$2.52

$23K

Mar 31, 2026

Darrell Birck - Officer

Option exercise

Restricted Stock Units

36,708

$0.00

Mar 31, 2026

Darrell Birck - Officer

Grant or award

Restricted Stock Units

111,576

$0.00

Mar 31, 2026

Darrell Birck - Officer

Grant or award

Stock options (right to buy)

62,326

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

Kazi Hasan - Officer

Option exercise

Class A common stock

73,415

-^{footnote F1}

Mar 31, 2026

Kazi Hasan - Officer

Tax withholding / forfeiture

Class A common stock

26,466

$2.52

$67K

Mar 31, 2026

Kazi Hasan - Officer

Option exercise

Class A common stock

146,829

-^{footnote F1}

Mar 31, 2026

Kazi Hasan - Officer

Tax withholding / forfeiture

Class A common stock

52,931

$2.52

$133K

Mar 31, 2026

Kazi Hasan - Officer

Option exercise

Restricted Stock Units

73,415

$0.00

Mar 31, 2026

Kazi Hasan - Officer

Option exercise

Restricted Stock Units

146,829

$0.00

Mar 31, 2026

Kazi Hasan - Officer

Grant or award

Restricted Stock Units

182,579

$0.00

Mar 31, 2026

Kazi Hasan - Officer

Grant or award

Stock options (right to buy)

101,988

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

Adam Comora - Officer

Option exercise

Class A common stock

35,868

-^{footnote F1}

Mar 31, 2026

Adam Comora - Officer

Tax withholding / forfeiture

Class A common stock

12,930

$2.52

$33K

Mar 31, 2026

Adam Comora - Officer

Option exercise

Class A common stock

67,204

-^{footnote F1}

Mar 31, 2026

Adam Comora - Officer

Tax withholding / forfeiture

Class A common stock

24,227

$2.52

$61K

Mar 31, 2026

Adam Comora - Officer

Option exercise

Class A common stock

163,143

-^{footnote F1}

Mar 31, 2026

Adam Comora - Officer

Tax withholding / forfeiture

Class A common stock

58,813

$2.52

$148K

Mar 31, 2026

Adam Comora - Officer

Option exercise

Class A common stock

23,243

-^{footnote F1}

Mar 31, 2026

Adam Comora - Officer

Tax withholding / forfeiture

Class A common stock

8,379

$2.52

$21K

Mar 31, 2026

Adam Comora - Officer

Option exercise

Restricted Stock Units

35,868

$0.00

Mar 31, 2026

Adam Comora - Officer

Option exercise

Restricted Stock Units

67,204

$0.00

Mar 31, 2026

Adam Comora - Officer

Option exercise

Restricted Stock Units

163,143

$0.00

Mar 31, 2026

Adam Comora - Officer

Option exercise

Restricted Stock Units

23,243

$0.00

Mar 31, 2026

Adam Comora - Officer

Grant or award

Restricted Stock Units

405,729

$0.00

Mar 31, 2026

Adam Comora - Officer

Grant or award

Stock options (right to buy)

226,640

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

Scott McDougald Sutton - Director

Grant or award

Restricted Stock Units

54,773

$0.00

Mar 31, 2026

Lance D. Moll - Director

Grant or award

Restricted Stock Units

54,773

$0.00

Mar 31, 2026

Scott V. Dols - Director

Option exercise

Class A common stock

66,073

-^{footnote F1}

Mar 31, 2026

Scott V. Dols - Director

Option exercise

Restricted Stock Units

66,073

$0.00

Mar 31, 2026

Scott V. Dols - Director

Grant or award

Restricted Stock Units

54,773

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

Nadeem Nisar - Director

Option exercise

Class A common stock

66,073

-^{footnote F1}

Mar 31, 2026

Nadeem Nisar - Director

Option exercise

Restricted Stock Units

66,073

$0.00

Mar 31, 2026

Nadeem Nisar - Director

Grant or award

Restricted Stock Units

54,773

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

James J. Martell - Director

Option exercise

Class A common stock

66,073

-^{footnote F1}

Mar 31, 2026

James J. Martell - Director

Option exercise

Restricted Stock Units

66,073

$0.00

Mar 31, 2026

James J. Martell - Director

Grant or award

Restricted Stock Units

54,773

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

Ashok Vemuri - Director

Option exercise

Class A common stock

66,073

-^{footnote F1}

Mar 31, 2026

Ashok Vemuri - Director

Option exercise

Restricted Stock Units

66,073

$0.00

Mar 31, 2026

Ashok Vemuri - Director

Grant or award

Restricted Stock Units

54,773

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 31, 2026

Betsy L. Battle - Director

Option exercise

Class A common stock

66,073

-^{footnote F1}

Mar 31, 2026

Betsy L. Battle - Director

Option exercise

Restricted Stock Units

66,073

$0.00

Mar 31, 2026

Betsy L. Battle - Director

Grant or award

Restricted Stock Units

54,773

$0.00

Footnote F1 (price): Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock. This transaction represents the settlement of restricted stock units in shares of Class A common stock on their scheduled vesting date.

Mar 6, 2026

Mark S. Comora - Director

Open-market purchase

Warrants (right to buy)

3,000,000

-^{footnote F1}

Footnote F1 (price): On March 6 2026, OPAL Fuels LLC, a subsidiary of OPAL Fuels Inc., entered into a transaction with an affiliate of Fortistar LLC (the Investor). In connection with the underlying documentation, the Company issued the Investor a warrant (the Warrant) to purchase up to 3,000,000… Full note on SEC EDGAR

Nov 1, 2025

Scott McDougald Sutton - Director

Grant or award

Restricted Stock Units

23,340

$0.00

Oct 1, 2025

Lance D. Moll - Director

Grant or award

Restricted Stock Units

26,680

$0.00

Aug 15, 2025

Adam Comora - Officer

Open-market purchase

Class A common stock

21,744

$2.30

$50K

Aug 18, 2025

Adam Comora - Officer

Open-market purchase

Class A common stock

18,256

$2.32

$42K