Schonfeld reports 2.88% stake in Cardinal Infrastructure

Schonfeld Strategic Advisors LLC filed an amendment reporting beneficial ownership of 439,707 shares of Class A common stock, equal to 2.88% of the class.

Rhea-AI Filing Summary

Schonfeld Strategic Advisors LLC filed an amendment reporting beneficial ownership of 439,707 shares of Class A common stock, equal to 2.88% of the class. The filing cites April 9, 2026 outstanding share count of 15,292,984 as disclosed in the issuer's proxy dated April 24, 2026. Schonfeld states these shares are held in part by separately managed accounts ("Schonfeld SMAs") for which it acts as investment adviser and notes it may be deemed to indirectly own the securities; the filer disclaims that this statement is an admission of beneficial ownership.

Insights

Institutional Ownership Specialist

Passive ownership disclosure: 439,707 shares (2.88%) reported.

The amendment records 439,707 shares and a 2.88% stake based on an outstanding share count of 15,292,984 as of April 9, 2026. The position is reported through separately managed accounts, with Schonfeld describing potential indirect beneficial ownership.

Because this is a Schedule 13G/A disclosure of passive holdings, the filing is procedural. Subsequent filings would reveal any change in voting or disposition intent; timing and cash‑flow treatment are not stated in the excerpt.

Compliance & SEC Filings Analyst

Amendment clarifies ownership and record holders; contains standard disclaimer language.

The statement identifies record owners as clients of Schonfeld SMAs and includes the customary Section 13(d)/(g) reservation that the filer does not concede beneficial ownership. The filing furnishes the issuer address and CUSIP 14154A102.

Regulatory focus should be on monitoring for any future Schedule 13D or Form 4 activity that would indicate active control or transactions; none are disclosed here.

Key Figures

Shares beneficially owned: 439,707 shares Percent of class: 2.88% Shares outstanding (as of): 15,292,984 shares +1 more

4 metrics

Shares beneficially owned 439,707 shares reported in Schedule 13G/A amendment

Percent of class 2.88% calculated using outstanding shares as of <date>April 9, 2026</date>

Shares outstanding (as of) 15,292,984 shares outstanding share count cited from issuer's definitive proxy dated <date>April 24, 2026</date>

CUSIP 14154A102 Class A Common Stock CUSIP

Key Terms

Schedule 13G/A, beneficially owned, separately managed accounts (Schonfeld SMAs), sole voting power

4 terms

Schedule 13G/A regulatory

"Amendment No. 1 and header identifying the filing type"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficially owned regulatory

"Item 4. | Ownership (a) | Amount beneficially owned: 439,707 shares"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

separately managed accounts (Schonfeld SMAs) financial

"Schonfeld may be deemed to indirectly beneficially own securities owned by the Schonfeld SMAs"

sole voting power regulatory

"Sole Voting Power 439,707.00 listed in ownership section"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake in CDNL does Schonfeld report?

Schonfeld reports beneficial ownership of 439,707 shares, or 2.88%. The filing ties this percentage to an outstanding share count of 15,292,984 shares as of April 9, 2026, per the issuer's proxy dated April 24, 2026.

Are the shares held directly by Schonfeld?

The shares are recorded in Schonfeld SMAs and clients are record owners. Schonfeld states it may be deemed an indirect beneficial owner and includes a disclaimer preserving that it is not admitting beneficial ownership for Section 13 purposes.

Does this Schedule 13G/A indicate active control or a takeover?

No active control is asserted in this amendment. The filing characterizes the position as passive ownership through managed accounts and includes the customary non‑admission language regarding Section 13(d)/(g) beneficial‑owner status.

What date and source establish the outstanding share count?

The outstanding share count is 15,292,984 as of April 9, 2026. That figure is cited from the issuer's definitive proxy statement filed on April 24, 2026 and is used to calculate the 2.88% ownership percentage.

Who signed the Schedule 13G/A amendment for Schonfeld?

The amendment is signed by Hung Luc, Chief Compliance Officer. The signature block shows the filing date of May 15, 2026, consistent with the amendment submission.

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

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Accepted by SEC EDGAR 05/15/2026 - 04:15 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Cardinal Infrastructure Group Inc.

(Name of Issuer)

Class A Common Stock, par value $0.0001 per share

(Title of Class of Securities)

14154A102

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 14154A102

1

Names of Reporting Persons

Schonfeld Strategic Advisors LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 439,707.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 439,707.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

439,707.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

2.88 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: The percentage of the issuer's common stock beneficially owned by the reporting person reflects 15,292,984 shares of Class A common stock outstanding as of April 9, 2026, as set forth in the issuer's definitive proxy statement, as filed with the Securities and Exchange Commission on April 24, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Cardinal Infrastructure Group Inc.
(b)	Address of issuer's principal executive offices: 100E. Six Forks Road, #300, Raleigh, North Carolina 27609
Item 2.
(a)	Name of person filing: Schonfeld Strategic Advisors LLC ("Schonfeld") is an investment adviser to several private funds. Schonfeld also engages third party sub-advisers to manage assets of its private funds as separately managed accounts (the "Schonfeld SMAs"). Accordingly, Schonfeld may be deemed to indirectly beneficially own securities owned by the Schonfeld SMAs. Each Schonfeld SMA is the record and direct beneficial owner of a portion of the securities covered by this statement. Schonfeld declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934 or any other purpose, the beneficial owner of any securities covered by this statement.
(b)	Address or principal business office or, if none, residence: 590 Madison Avenue, 23rd Floor, New York, New York 10022
(c)	Citizenship: Delaware limited liability company
(d)	Title of class of securities: Class A Common Stock, par value $0.0001 per share
(e)	CUSIP No.: 14154A102
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 439,707 shares
(b)	Percent of class: 2.88%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 439,707 shares
	(ii) Shared power to vote or to direct the vote: 0 shares
	(iii) Sole power to dispose or to direct the disposition of: 439,707 shares
	(iv) Shared power to dispose or to direct the disposition of: 0 shares
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. The securities held by each of the Schonfeld SMAs as to which this statement is filed are owned of record by clients of Schonfeld. Those clients have the right to receive, or the power to direct the receipt of, dividends from, or the proceeds from the sale of, such securities.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Schonfeld Strategic Advisors LLC

Signature:	/s/ Hung Luc
Name/Title:	Hung Luc, Chief Compliance Officer
Date:	05/15/2026