Cardinal Infra (CDNL) CFO adds 7,000 shares in open-market buy

Rhea-AI Filing Summary

Cardinal Infrastructure Group Inc. (CDNL) reported that its Chief Financial Officer, Michael Bruce Rowe Jr., purchased 7,000 shares of Class A Common Stock on 2026-08-14 in a direct ownership transaction. The shares were bought in the open market at a weighted average price of $36.53 per share, with individual trade prices ranging from $36.27 to $36.55. Following this purchase, he directly owns 7,000 shares of the company’s Class A Common Stock.

Insider Trade Summary

Net Buyer: 7,000 shares

Net Buy 1 txn

Insider Rowe Michael Bruce Jr.

Role Chief Financial Officer

Bought 7,000 shs ($256K)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock F1	7,000	$36.53	$256K

Holdings After Transaction: Class A Common Stock — 7,000 shares (Direct)

Footnotes (1)

1. F1. The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.27 to $36.55, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of Cardinal Infrastructure Group Inc., 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 ranges set forth in footnote (1) of this Form 4..

Key Figures

Shares purchased: 7,000 shares Weighted average purchase price: $36.53 per share Purchase price range low: $36.27 per share +2 more

5 metrics

Shares purchased 7,000 shares Class A Common Stock purchased by CFO on 2026-08-14

Weighted average purchase price $36.53 per share Weighted average price for the 7,000 shares purchased

Purchase price range low $36.27 per share Lowest price in the multiple purchase transactions

Purchase price range high $36.55 per share Highest price in the multiple purchase transactions

Shares owned after transaction 7,000 shares Total direct holdings of CFO following the purchase

Key Terms

Class A Common Stock, weighted average price, open market or private transaction

3 terms

Class A Common Stock financial

"The security title reported is Class A Common Stock."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open market or private transaction financial

"Transaction code P is described as purchase in open market or private transaction."

FAQ

What insider transaction did CDNL report for its CFO on this Form 4?

Cardinal Infrastructure Group Inc. (CDNL) reported that CFO Michael Bruce Rowe Jr. purchased 7,000 shares of Class A Common Stock on 2026-08-14. The transaction was a direct open-market purchase, increasing his reported direct holdings to 7,000 shares.

At what price did the CDNL CFO buy shares according to this Form 4?

The CDNL CFO bought shares at a weighted average price of $36.53 per share. According to the filing footnote, individual trades were executed in multiple transactions at prices ranging from $36.27 to $36.55 per share, inclusive.

How many CDNL shares does the CFO own after this reported transaction?

After the reported purchase, the CDNL CFO directly owns 7,000 shares of Class A Common Stock. The Form 4 lists this figure as the total shares following the transaction for his direct ownership position on 2026-08-14.

Was the CDNL CFO’s share purchase an open-market transaction?

Yes. The transaction code is P, described as a purchase in open market or private transaction. The filing also notes a weighted average price based on multiple trades, which is typical of open-market purchases executed in several lots.

Does the CDNL Form 4 mention a Rule 10b5-1 trading plan for this transaction?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not affirmed (aff_10b5_one is false). The available footnote only explains the weighted average price and trade price range, without referencing any pre-arranged trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/17/2026 - 05:40 PM Accepted by SEC EDGAR 08/17/2026 - 05:39 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Rowe Michael Bruce Jr.

(Last) (First) (Middle)

C/O CARDINAL INFRASTRUCTURE GROUP INC.

100 E. SIX FORKS ROAD, #300

(Street)

RALEIGH NORTH CAROLINA 27609

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Cardinal Infrastructure Group Inc. [ CDNL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	08/14/2026		P		7,000	A	$36.53(1)	7,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.27 to $36.55, inclusive. The reporting person hereby undertakes to provide to Cardinal Infrastructure Group Inc., any security holder of Cardinal Infrastructure Group Inc., 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 ranges set forth in footnote (1) of this Form 4..

	/s/ Tiffany Gidley, Attorney-in-Fact	08/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)