ADTRAN director granted 4,399 restricted shares

DelSanto Anne reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

DelSanto Anne reported acquisition or exercise transactions in this Form 4 filing.

ADTRAN Holdings, Inc. director Anne DelSanto received a grant of 4,399 shares of Common Stock as a restricted stock award. The shares were granted at no cash cost and represent her entire reported direct holding of 4,399 shares after the transaction.

The award vests in full on the first anniversary of the grant date, meaning she must remain eligible through that date for the shares to fully vest. This is a compensation-related equity grant rather than an open-market purchase.

Insider Trade Summary

Grant/Award: 4,399 shares

Grant/Award 1 txn

Insider DelSanto Anne

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	4,399	$0.00	$0.00

Holdings After Transaction: Common Stock — 4,399 shares (Direct)

Footnotes (1)

1. F1. Represents a restricted stock award grant that vests in full on the first anniversary of the date of grant.

Key Figures

Restricted stock award: 4,399 shares Grant price per share: $0.0000 per share Shares held after transaction: 4,399 shares +1 more

4 metrics

Restricted stock award 4,399 shares Common Stock grant to director Anne DelSanto

Grant price per share $0.0000 per share Equity compensation, not a market purchase

Shares held after transaction 4,399 shares Total reported direct holdings post-grant

Vesting schedule One-year cliff vesting Vests in full on first anniversary of grant

Key Terms

restricted stock award, vests in full, Common Stock, Grant, award, or other acquisition

4 terms

restricted stock award financial

"Represents a restricted stock award grant that vests in full on the first anniversary"

A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.

vests in full financial

"grant that vests in full on the first anniversary of the date of grant"

Common Stock financial

"security_title: "Common Stock" in the reported transaction"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

FAQ

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

What insider transaction did ADTRAN (ADTN) report for Anne DelSanto?

ADTRAN reported that director Anne DelSanto received a grant of 4,399 shares of Common Stock as a restricted stock award. The shares were issued at no cash cost as part of her equity compensation and represent her entire reported direct holding after the grant.

Is the Anne DelSanto Form 4 transaction for ADTRAN (ADTN) a stock purchase or a grant?

The Form 4 shows a stock grant, not an open-market purchase. DelSanto received 4,399 shares of Common Stock as a restricted stock award, coded as a grant or award acquisition, which is typical director compensation rather than a discretionary buy in the market.

When do Anne DelSanto’s 4,399 ADTRAN (ADTN) restricted shares vest?

The 4,399-share restricted stock award vests in full on the first anniversary of the grant date. She must remain eligible through that one-year period for the award to fully vest, aligning her compensation with longer-term alignment to ADTRAN’s performance and governance.

How many ADTRAN (ADTN) shares does Anne DelSanto hold after this Form 4 transaction?

Following the reported transaction, Anne DelSanto directly holds 4,399 shares of ADTRAN Common Stock. This entire position comes from the restricted stock award grant disclosed, and there are no additional derivative positions reported in the same Form 4 filing for her holdings.

Did Anne DelSanto pay a price per share for the 4,399 ADTRAN (ADTN) shares?

No cash price per share was paid for this award; the transaction lists a price of 0.0000 per share. This reflects that the 4,399 shares were issued as a restricted stock compensation grant, rather than acquired through a market purchase or option exercise.

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

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Accepted by SEC EDGAR 07/06/2026 - 04:02 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^*

DelSanto Anne

(Last) (First) (Middle)

C/O ADTRAN HOLDINGS, INC.

901 EXPLORER BOULEVARD

(Street)

HUNTSVILLE ALABAMA 35806-2807

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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
Common Stock	07/01/2026		A(1)		4,399	A	$0.00	4,399	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. Represents a restricted stock award grant that vests in full on the first anniversary of the date of grant.

	/s/ Dan Ragsdale, by power of attorney	07/06/2026
	** 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)