Cardinal Infrastructure Group (CDNL) director buys 34K shares

Rhea-AI Filing Summary

Cardinal Infrastructure Group Inc. director Lee Richard Melvin Jr. reported open-market purchases of Class A Common Stock on August 14, 2026. He bought 27,000 shares at a weighted average price of $36.59 and 7,000 shares at a weighted average price of $37.73, totaling 34,000 shares.

Each reported price is a weighted average for multiple trades within disclosed intraday price ranges.

Insider Trade Summary

Net Buyer: 34,000 shares

Net Buy 2 txns

Insider Lee Richard Melvin Jr.

Role Director

Bought 34,000 shs ($1.25M)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock F1	27,000	$36.59	$988K
Purchase	Class A Common Stock F2	7,000	$37.73	$264K

Holdings After Transaction: Class A Common Stock — 68,254 shares (Direct)

Footnotes (2)

1. F1. The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $36.26 to $37.22, 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.
2. F2. The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $37.51 to $37.74, 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 (2) of this Form 4

Key Figures

Shares purchased (block 1): 27,000 shares Price per share (block 1): $36.59 Shares purchased (block 2): 7,000 shares +2 more

5 metrics

Shares purchased (block 1) 27,000 shares Class A Common Stock purchased on August 14, 2026 at weighted average price

Price per share (block 1) $36.59 Weighted average price; individual trades ranged from $36.26 to $37.22

Shares purchased (block 2) 7,000 shares Class A Common Stock purchased on August 14, 2026 at weighted average price

Price per share (block 2) $37.73 Weighted average price; individual trades ranged from $37.51 to $37.74

Total shares purchased 34,000 shares Sum of reported open-market purchases on August 14, 2026

Key Terms

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

3 terms

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

"Purchase in open market or private transaction"

Class A Common Stock financial

"security_title: 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.

FAQ

What insider transactions were reported for CDNL on August 14, 2026?

On August 14, 2026, director Lee Richard Melvin Jr. reported two open-market purchases of Cardinal Infrastructure Group Inc. Class A Common Stock, acquiring a total of 34,000 shares across multiple trades at weighted average prices of $36.59 and $37.73 per share.

How many CDNL shares did Lee Richard Melvin Jr. buy in the latest Form 4?

In the reported transactions, Lee Richard Melvin Jr. purchased 34,000 shares of Cardinal Infrastructure Group Inc. Class A Common Stock. This consisted of 27,000 shares at a weighted average price of $36.59 and 7,000 shares at a weighted average price of $37.73.

What prices did the CDNL insider pay for the purchased shares?

The insider paid $36.59 and $37.73 as weighted average prices. The 27,000-share block traded between $36.26 and $37.22, while the 7,000-share block traded between $37.51 and $37.74, with exact breakdowns available on request.

Were the August 14, 2026 CDNL insider transactions under a Rule 10b5-1 plan?

The filing indicates the Rule 10b5-1 checkbox was not affirmed for these trades. The transactions are reported as open-market or private purchases, with no specific reference to a pre-arranged trading plan in the described data.

What type of security did the CDNL insider purchase on August 14, 2026?

The insider purchased Class A Common Stock of Cardinal Infrastructure Group Inc. (CDNL). Two non-derivative transactions were reported, both classified as open-market or private purchases, totaling 34,000 shares across multiple executions within specified price ranges.

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 - 05:40 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^*

Lee Richard Melvin 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)

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

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		27,000	A	$36.59(1)	61,254	D
Class A Common Stock	08/14/2026		P		7,000	A	$37.73(2)	68,254	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 $36.26 to $37.22, 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.

2. The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $37.51 to $37.74, 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 (2) 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)