ADTRAN (ADTN) director Rice sells 14,406 shares in open-market trade

Rhea-AI Filing Summary

ADTRAN Holdings, Inc. director Jacqueline Hourigan Rice reported an open-market sale of Common Stock. She sold 14,406 shares on March 4, 2026 at a weighted average price of $10.29 per share, with individual sale prices ranging from $10.24 to $10.37.

After this sale, she directly held 13,809 shares of Common Stock. In addition, a separate line in the filing shows 62,281 shares of Common Stock held indirectly, listed under ownership "As Trustee."

Insider Trade Summary

Net Seller: 14,406 shares ($148,238)

Net Sell 2 txns

Insider Jacqueline Hourigan Rice

Role Director

Sold 14,406 shs ($148K)

Type	Security	Shares	Price	Value
Sale	Common Stock	14,406	$10.29	$148K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 13,809 shares (Direct); Common Stock — 62,281 shares (Indirect, As Trustee)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Jacqueline Hourigan Rice

(Last) (First) (Middle)

C/O ADTRAN HOLDINGS, INC.

901 EXPLORER BOULEVARD

(Street)

HUNTSVILLE AL 35806-2807

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ADTRAN Holdings, Inc. [ ADTN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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

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

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

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
Common Stock	03/04/2026		S		14,406	D	$10.29(1)	13,809	D
Common Stock								62,281	I	As Trustee

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. These shares were sold in multiple transactions at prices ranging from $10.24 to $10.37, inclusive. The reporting person undertakes to provide to ADTRAN Holdings, Inc. (the Issuer), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

	/s/ Dan Ragsdale, by power of attorney	03/05/2026
	** 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.

FAQ

What insider transaction did ADTRAN (ADTN) report for Jacqueline Hourigan Rice?

ADTRAN director Jacqueline Hourigan Rice reported an open-market sale of Common Stock. She sold 14,406 shares on March 4, 2026 at a weighted average price of $10.29 per share, according to the Form 4 filing details.

How many ADTRAN (ADTN) shares did Jacqueline Hourigan Rice sell and at what prices?

She sold 14,406 shares of ADTRAN Common Stock at a weighted average price of $10.29 per share. The filing notes individual transaction prices ranged from $10.24 to $10.37, inclusive, across multiple sale trades that day.

How many ADTRAN (ADTN) shares does Jacqueline Hourigan Rice hold after the reported sale?

Following the reported sale, she directly held 13,809 shares of ADTRAN Common Stock. The Form 4 also lists 62,281 additional shares held indirectly, categorized as “As Trustee,” reflecting a separate line of indirect ownership.

What does the Form 4 say about Jacqueline Hourigan Rice’s indirect ADTRAN (ADTN) holdings?

The Form 4 shows an indirect holding of 62,281 ADTRAN Common Stock shares for Jacqueline Hourigan Rice. These are labeled with the nature of ownership “As Trustee,” indicating they are reported separately from her directly held 13,809 shares.

How is the sale price described in Jacqueline Hourigan Rice’s ADTRAN (ADTN) Form 4 filing?

The sale price is reported as a weighted average of $10.29 per share. The footnote explains the shares were sold in multiple transactions at prices between $10.24 and $10.37, and detailed breakdowns are available upon request.