Comtech legal chief vests 5,883 RSUs, shares withheld

Q: What insider transaction did Comtech (CMTL) report for Donald E. Walther?

Comtech (CMTL) reported that Chief Legal Officer Donald E. Walther had 5,883 restricted stock units vest and convert into common stock on August 11, 2026, as part of an equity compensation award granted in 2023.

Q: How many Comtech (CMTL) shares were withheld for taxes in this Form 4?

In this Form 4, 2,010 common shares of Comtech (CMTL) were withheld at $1.73 per share to pay the reporting person’s federal, state and FICA tax obligations related to the vesting.

Q: What type of equity award vested for the Comtech (CMTL) Chief Legal Officer?

The Comtech (CMTL) Chief Legal Officer had restricted stock units (RSUs) vest. The filing notes that these RSUs convert into common stock on a one-for-one basis, resulting in the issuance of an equal number of common shares.

Q: Was the Comtech (CMTL) insider transaction under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox is not affirmed, and no footnote describes a trading plan. The reported activity reflects equity award vesting and tax withholding, not an open-market buy or sell under a pre-arranged plan.

Comtech Telecommunications Corp. executive Donald E. Walther, Chief Legal Officer, reported equity compensation activity on August 11, 2026.

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Form Type

Rhea-AI Filing Summary

Comtech Telecommunications Corp. executive Donald E. Walther, Chief Legal Officer, reported equity compensation activity on August 11, 2026. A block of 5,883 restricted stock units from a grant originally issued on August 11, 2023 vested and converted into an equal number of common shares on a one-for-one basis. Of these, 2,010 shares were withheld by the company at a value of $1.73 per share to cover the reporting person’s federal, state and FICA tax obligations. Following this vesting event, the reporting person held 138,800 restricted stock units directly.

Insider Trade Summary

5,883 shares exercised/converted

Exercise 3 txns

Insider Walther Donald E.

Role Chief Legal Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units ^{F1, F3}	5,883	$0.00	$0.00
Exercise	Common Stock Par Value $.10 Per Share ^F1	5,883	--	--
Tax Withholding	Common Stock Par Value $.10 Per Share ^F2	2,010	$1.73	$3K

Holdings After Transaction: Restricted Stock Units — 138,800 contracts (Direct); Common Stock Par Value $.10 Per Share — 66,515 shares (Direct)

Footnotes (3)

F1. Restricted stock units convert into common stock on a one-for-one basis.
F2. The 2,010 reflected on this table represents the shares withheld to pay the Reporting Person's federal, state, and Federal Insurance Contributions Act ("FICA") tax.
F3. This transaction represents the vesting of 5,883 of the 17,648 restricted stock units issued to the Reporting Person on August 11, 2023.

Key Figures

RSUs vested: 5,883 restricted stock units Shares withheld for taxes: 2,010 shares Withholding price: $1.73 per share +2 more

5 metrics

RSUs vested 5,883 restricted stock units Portion of 17,648-unit grant issued on August 11, 2023 that vested on August 11, 2026

Shares withheld for taxes 2,010 shares Common shares withheld to pay federal, state and FICA tax on vesting

Withholding price $1.73 per share Value used for 2,010 withheld common shares for tax obligations

RSUs remaining after transaction 138,800 restricted stock units Directly held restricted stock units following the August 11, 2026 vesting event

Original 2023 RSU grant portion 17,648 restricted stock units Total RSUs issued to the reporting person on August 11, 2023, of which 5,883 vested

Key Terms

Restricted stock units, Federal Insurance Contributions Act ("FICA") tax, Common Stock Par Value $.10 Per Share

3 terms

Restricted stock units financial

"Restricted stock units convert into common stock on a one-for-one basis."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Federal Insurance Contributions Act ("FICA") tax financial

"represents the shares withheld to pay the Reporting Person's federal, state, and Federal Insurance Contributions Act ("FICA") tax."

FAQ

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

What insider transaction did Comtech (CMTL) report for Donald E. Walther?

Comtech (CMTL) reported that Chief Legal Officer Donald E. Walther had 5,883 restricted stock units vest and convert into common stock on August 11, 2026, as part of an equity compensation award granted in 2023.

How many Comtech (CMTL) shares were withheld for taxes in this Form 4?

In this Form 4, 2,010 common shares of Comtech (CMTL) were withheld at $1.73 per share to pay the reporting person’s federal, state and FICA tax obligations related to the vesting.

What type of equity award vested for the Comtech (CMTL) Chief Legal Officer?

The Comtech (CMTL) Chief Legal Officer had restricted stock units (RSUs) vest. The filing notes that these RSUs convert into common stock on a one-for-one basis, resulting in the issuance of an equal number of common shares.

How many restricted stock units does the Comtech (CMTL) insider hold after the transaction?

After the reported transaction, the Comtech (CMTL) insider directly held 138,800 restricted stock units. This figure reflects the remaining unvested RSUs associated with the reporting person following the August 11, 2026 vesting event.

Was the Comtech (CMTL) insider transaction under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox is not affirmed, and no footnote describes a trading plan. The reported activity reflects equity award vesting and tax withholding, not an open-market buy or sell under a pre-arranged plan.

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

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Available on EDGAR 08/12/2026 - 06:15 PM Accepted by SEC EDGAR 08/12/2026 - 06:14 PM

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^*

Walther Donald E.

(Last)

(First)

(Middle)

305 N 54TH STREET

(Street)

CHANDLER

ARIZONA

85226

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
COMTECH TELECOMMUNICATIONS CORP /DE/ [ CMTL ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock Par Value $.10 Per Share	08/11/2026		M		5,883	A	⁽¹⁾	68,525	D
Common Stock Par Value $.10 Per Share	08/11/2026		F⁽²⁾		2,010	D	$1.73	66,515	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	08/11/2026		M			5,883	⁽³⁾	⁽³⁾	Common Stock Par Value $.10 Per Share	5,883	$0	138,800	D

Explanation of Responses:

1. Restricted stock units convert into common stock on a one-for-one basis.

2. The 2,010 reflected on this table represents the shares withheld to pay the Reporting Person's federal, state, and Federal Insurance Contributions Act ("FICA") tax.

3. This transaction represents the vesting of 5,883 of the 17,648 restricted stock units issued to the Reporting Person on August 11, 2023.

Remarks:

	/s/ Michael C. Shay, Attorney-in-Fact for Donald E. Walther	08/12/2026
	** 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)

Source: View Original Filing on SEC EDGAR