[Form 4] COMTECH TELECOMMUNICATIONS CORP /DE/ Insider Trading Activity

Rhea-AI Filing Summary

Donald E. Walther, Chief Legal Officer of Comtech Telecommunications Corp. (CMTL), reported transactions on 09/30/2025 showing the vesting of 15,946 restricted stock units (RSUs). The RSUs converted one-for-one into common stock, and 5,311 shares were withheld to cover federal, state, and FICA taxes, leaving 40,709 shares directly beneficially owned after the dispositions. Following the transactions the reporting person beneficially owns 68,446 shares in total. The Form 4 was signed by an attorney-in-fact on 10/02/2025.

Positive

• 15,946 RSUs vested and converted to common stock, increasing ownership
• Only 5,311 shares were withheld for taxes rather than sold on the open market

Negative

• None.

Insights

Compensation & Insider Holdings Analyst

RSU vesting increased direct holdings by 15,946 shares on 09/30/2025.

The filing shows the vesting of 15,946 RSUs issued on 09/30/2024 that converted one-for-one into common stock, which materially changed the reporting person’s immediate dilution and ownership profile.

5,311 shares were withheld to satisfy tax obligations, a routine payroll-tax withholding action rather than an open-market sale. After withholding and dispositions the report lists 68,446 shares beneficially owned.

Corporate Governance Specialist

Transaction is a standard executive compensation vesting event; no external-sale signal recorded.

The Form 4 codes indicate internal vesting (M) and tax withholding (F), not open-market dispositions for liquidity. The signature by an attorney-in-fact is documented on 10/02/2025.

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Walther Donald E.

(Last) (First) (Middle)

305 N 54TH STREET

(Street)

CHANDLER AZ 85226

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2025

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 Par Value $.10 Per Share	09/30/2025		M		15,946	A	(1)	46,020	D
Common Stock Par Value $.10 Per Share	09/30/2025		F(2)		5,311	D	$2.58	40,709	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
Restricted Stock Units	(1)	09/30/2025		M			15,946	(3)	(3)	Common Stock Par Value $.10 Per Share	15,946	$0	68,446	D

Explanation of Responses:

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

2. The 5,311 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 15,946 of the 47,838 restricted stock units issued to the Reporting Person on September 30, 2024.

Remarks:

	/s/ Michael C. Shay, Attorney-in-Fact for Donald E. Walther	10/02/2025
	** 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 RSU transaction did CMTL insider Donald E. Walther report?

He reported the vesting of 15,946 restricted stock units on 09/30/2025, which converted one-for-one into common stock.

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

5,311 shares were withheld to cover federal, state, and FICA tax obligations.

How many CMTL shares does Donald E. Walther beneficially own after the transaction?

The Form 4 reports a total beneficial ownership of 68,446 shares following the transactions.

Were any open-market sales reported by the CMTL insider in this filing?

No open-market sale code is shown; the filing records vesting (M) and withholding (F) transactions only.

When was the Form 4 signed for the reported transactions?

The signature by an attorney-in-fact is dated 10/02/2025 on the Form 4.