Darrell Birck - 31 Mar 2026 Form 4 Insider Report for OPAL Fuels Inc. (OPAL)

Reporting relationship: Executive Vice President
Issuer ticker: OPAL
Reported as of: 31 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Apr 2026, 16:40:32 UTC
Prior SEC filing: 10 Apr 2025
Source filing: View source filing
Reporting owner signature: /s/ John Coghlin as Attorney-in-Fact

Key filing fact

Darrell Birck filed Form 4 for OPAL Fuels Inc. (OPAL) on 02 Apr 2026.

Key facts

This page summarizes Darrell Birck's Form 4 filing for OPAL Fuels Inc. (OPAL).
5 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 02 Apr 2026, 16:40.

Change

Previous filing in this sequence was filed on 10 Apr 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002047903 Primary reporting owner

Birck Darrell

Relationship: Executive Vice President
Address: ONE NORTH LEXINGTON AVENUE, SUITE 1450, WHITE PLAINS
Signature: /s/ John Coghlin as Attorney-in-Fact
Signature date: 02 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OPAL transaction

Class A common stock

Options Exercise

Transaction value
Shares: +36,708
Change %
Price
Shares after: 36,708
Date: 31 Mar 2026
Ownership: Direct
Footnotes: F1

OPAL transaction

Class A common stock

Tax liability

Transaction value
Shares: -8,938
Change %: -24%
Price: $2.52^*
Shares after: 27,770
Date: 31 Mar 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OPAL transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -36,708
Change %: -33%
Price: $0.000000^*
Shares after: 73,414
Date: 31 Mar 2026
Ownership: Direct
Underlying class: Class A common stock
Underlying amount: 36,708
Exercise price
Footnotes: F1, F3

OPAL transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +111,576
Change %
Price: $0.000000^*
Shares after: 111,576
Date: 31 Mar 2026
Ownership: Direct
Underlying class: Class A common stock
Underlying amount: 111,576
Exercise price
Footnotes: F4

OPAL transaction Derivative

Stock options (right to buy)

Award

Transaction value
Shares: +62,326
Change %
Price: $0.000000^*
Shares after: 62,326
Date: 31 Mar 2026
Ownership: Direct
Underlying class: Class A common stock
Underlying amount: 62,326
Exercise price: $2.52
Footnotes: F5, F6, F7, F8, F9

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 9 footnotes

Footnote F1

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.

Footnote F2

Represents the shares held by the Company to satisfy tax withholding requirements on vesting of restricted stock units. The total value of securities withheld was based on a price of $2.52 per share, the closing price of Class A common stock on March 31, 2026.

Footnote F3

On March 31, 2025, the Reporting Person was granted 110,122 restricted stock units ("RSUs") pursuant to the terms of the Issuer's 2022 Omnibus Equity Incentive Plan (the "Plan"). RSUs were scheduled to vest in three (3) equal installments on each of the following dates: (i) March 31, 2026, (ii) March 31, 2027, and (iii) March 31, 2028, provided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date. Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock.

Footnote F4

On March 31, 2026, the Reporting Person was granted 111,576 RSUs pursuant to the Plan. RSUs are scheduled to vest in three (3) equal installments on each of the following dates: (i) March 31, 2027, (ii) March 31, 2028, and (iii) March 31, 2029, provided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date. Each restricted stock unit represents the right to receive, at settlement, one share of Class A common stock.

Footnote F5

Granted pursuant to the Issuer's 2022 Omnibus Equity Incentive Plan (the "Plan").

Footnote F6

The Reporting Person was granted an option to purchase shares of the Issuer's Class A common stock (the "Option") at an exercise price of $2.52 per share, which was the volume weighted average price of the Issuer's Class A common stock for the five days immediately preceding March 31, 2026, as quoted on the Nasdaq Stock Market. The Option vests in three (3) equal installments on each of the following dates: (i) March 31, 2027, (ii) March 31, 2028, and (iii) March 31, 2029, provided that the Reporting Person continues to provide services to the Issuer through the applicable vesting date.

Footnote F7

In the event that the Reporting Person's employment is terminated by reason of the Reporting Person's disability or termination without cause, the Options shall vest with respect to the number of shares of Class A common stock that would have vested upon the next vesting date following such termination, had the Reporting Person remained an employee.

Footnote F8

Notwithstanding the foregoing, upon the occurrence of a termination of employment by reason of the Reporting Person's (i) termination without cause; or (ii) resignation for good reason, in connection with or within the 24 months following the consummation of a Change in Control (as defined in the Plan and the relevant award agreement), any unvested portion of the Option shall accelerate and vest in full.

Footnote F9

Upon the occurrence of a termination by reason of the Reporting Person's death, any unvested portion of the Option shall accelerate and vest in full.