Benjamin Wood - 12 Mar 2026 Form 3 Insider Report for Cardinal Infrastructure Group Inc. (CDNL)

Reporting relationship: CHIEF OPERATING OFFICER
Issuer ticker: CDNL
Reported as of: 12 Mar 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 15 Apr 2026, 19:56:47 UTC
Next SEC filing: 29 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Tiffany Gidley, Attorney-in-Fact

Key filing fact

Benjamin Wood filed Form 3 for Cardinal Infrastructure Group Inc. (CDNL) on 15 Apr 2026.

Key facts

This page summarizes Benjamin Wood's Form 3 filing for Cardinal Infrastructure Group Inc. (CDNL).
0 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 15 Apr 2026, 19:56.

Change

No earlier filing in this sequence is available for direct comparison.
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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002123683 Primary reporting owner

Wood Benjamin

Relationship: CHIEF OPERATING OFFICER
Address: C/O CARDINAL INFRASTRUCTURE GROUP INC., 100 E. SIX FORKS ROAD, #300, RALEIGH
Signature: /s/ Tiffany Gidley, Attorney-in-Fact
Signature date: 15 Apr 2026

Reported non-derivative transactions

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

CDNL holding

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,093,031
Date: 12 Mar 2026
Ownership: By Diamond Interests Group, LLC
Footnotes: F1

Reported derivative securities

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

CDNL holding Derivative

LLC Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 12 Mar 2026
Ownership: By Diamond Interests Group, LLC
Underlying class: Class A Common Stock
Underlying amount: 2,093,031
Exercise price
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Consists of 2,093,031 shares of Class B Common Stock of Cardinal Infrastructure Group Inc. held by Diamond Interests Group, LLC. The Reporting Person is a member and 50% owner of Diamond Interests Group, LLC.

Footnote F2

The membership units of Cardinal Civil Contracting Holdings LLC (the "LLC Units") may be redeemed by the Reporting Person at any time at the option of the holder for shares of Class A Common Stock on a 1-to-1 basis, and a corresponding number of shares of Class B Common Stock will be forfeited in connection with the redemption. The LLC Units have no expiration date.

SEC remarks

Exhibit 24.1 - Power of Attorney