EGORA Ventures reports 4,005,806 shares (ADTN) — 4.9745% ownership

Rhea-AI Filing Summary

EGORA Ventures filed an amended Schedule 13G/A reporting ownership of 4,005,806 shares of ADTRAN Holdings, Inc. The filing states this equals 4.9745% of the class. The disclosure shows EGORA holds sole voting and dispositive power over 4,005,806 shares.

The cover lists 02/02/2026 and the signature block is dated 03/18/2026 (signed by Managing Director Nikolaus Zwick). The filing is an ownership disclosure under Schedule 13G/A and does not state plans to acquire or dispose of additional shares.

Insights

Corporate Governance Analyst

EGORA reports a passive sub-5% stake with sole voting and dispositive power.

EGORA Ventures discloses beneficial ownership of 4,005,806 shares, equal to 4.9745%. The filing lists sole voting and sole dispositive power for the full share amount, indicating control over voting and sale decisions for those shares.

Because the position is below 5.00%, it typically reflects a non-controlling economic stake under proxy thresholds. Subsequent filings would show any change; timing in this excerpt is limited to the listed dates.

Securities Compliance Counsel

The amendment aligns with Schedule 13G/A reporting requirements for beneficial owners.

The form identifies the filer, citizenship (Germany), principal address for service, and the exact ownership figures: 4,005,806 shares and 4.9745%. It includes the required voting/dispositive power statements and signature by a managing director.

No statements in the excerpt indicate activist intent or plans to acquire/dispose; any change in intent or crossing of the 5% threshold would trigger different filing obligations.

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

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Accepted by SEC EDGAR 03/18/2026 - 12:07 PM Learn about SEC filing dates

FAQ

What stake did EGORA Ventures report in ADTN?

EGORA Ventures reported beneficial ownership of 4,005,806 shares, representing 4.9745% of ADTRAN Holdings, Inc. The filing lists sole voting and dispositive power over those shares and is submitted as a Schedule 13G/A.

Does the filing indicate EGORA Ventures plans to buy or sell more ADTN shares?

No; the excerpt contains a beneficial ownership disclosure only. It states ownership levels and voting/dispositive power but does not state any intent to acquire or dispose of additional shares or offer plans.

What dates appear on the Schedule 13G/A for EGORA Ventures and ADTN?

The cover shows 02/02/2026 and the signature block is dated 03/18/2026, signed by Managing Director Nikolaus Zwick. These dates appear in the provided excerpt of the amendment.

Who signed the Schedule 13G/A on behalf of EGORA Ventures?

The signature block in the excerpt shows /s/ Nikolaus Zwick with the title Managing Director and the date 03/18/2026, indicating the authorized signatory for the filing.

Does 4.9745% ownership trigger additional SEC filing requirements?

Holding 4.9745% is below the 5% threshold that typically changes filing status. Crossing 5% or changing intent could require different disclosures; the excerpt does not indicate such a threshold was crossed.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

ADTRAN Holdings, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

(CUSIP Number)

02/02/2026

(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 No.

1

Names of Reporting Persons

EGORA Ventures AG

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

GERMANY

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 4,005,806.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,005,806.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,005,806.00

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)

4.9745 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ADTRAN Holdings, Inc.
(b)	Address of issuer's principal executive offices: 901 Explorer Boulevard, Huntsville, AL 35806
Item 2.
(a)	Name of person filing: EGORA Ventures AG
(b)	Address or principal business office or, if none, residence: C/O Clark Hill PLC 555 South Flower Street, 24th Floor Los Angeles, CA 90071
(c)	Citizenship: Germany
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.:
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: 4,005,806
(b)	Percent of class: 4.9745%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4,005,806
	(ii) Shared power to vote or to direct the vote: 4,005,806
	(iii) Sole power to dispose or to direct the disposition of: 4,005,806
	(iv) Shared power to dispose or to direct the disposition of: 4,005,806
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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. 4.9745%
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 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.

EGORA Ventures AG

Signature:	/s/ Nikolaus Zwick
Name/Title:	Managing Director
Date:	03/18/2026