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

Rhea-AI Filing Summary

Daniel Gizinski, President of the S&S Communications segment at Comtech Telecommunications Corp (CMTL), reported the vesting of 8,893 restricted stock units (RSUs) on 09/30/2025. Following the vesting, 4,011 shares were withheld to satisfy federal, state and FICA tax withholding, resulting in 30,027 shares of common stock beneficially owned by the reporting person. The filing shows the RSUs convert one-for-one into common stock and that the vested RSUs are part of a grant of 26,679 RSUs originally issued on 09/30/2024. The Form 4 was signed by an attorney-in-fact on 10/02/2025.

Positive

• 8,893 RSUs vested on 09/30/2025 converting one-for-one to common shares
• Clear tax withholding of 4,011 shares was disclosed to satisfy federal, state and FICA obligations
• Form 4 includes attorney-in-fact signature dated 10/02/2025, meeting filing formalities

Negative

• Net beneficial ownership fell from 34,038 to 30,027 shares after the reported transactions
• 4,011 shares withheld reduced the number of shares delivered to the reporting person

Insights

Corporate Insider / Compensation Analyst

Vesting of executive RSUs increases share count but net issuance was reduced by tax withholding.

The filing documents the vesting of 8,893 RSUs that convert one-for-one to common shares, indicating cashless settlement where 4,011 shares were withheld for taxes. This leaves the reporting person with 30,027 shares after the transaction, reflecting how equity compensation translates into actual ownership.

This matter is primarily a compensation realization event rather than a market-moving equity issuance; it clarifies dilution and the executive's retained stake using only stated facts.

Compliance / Securities Filing Analyst

Form 4 correctly reports RSU vesting and tax withholding with required signatures.

The statement lists the transaction date as 09/30/2025, shows the tax-withheld shares (4,011), and includes an attorney-in-fact signature dated 10/02/2025. The filing identifies the reporting person as an officer (President, S&S Comm. Segment) and specifies conversion mechanics (one-for-one).

From a compliance perspective, the filing contains the required details for Section 16 reporting based on the disclosed content.

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
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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^*

Gizinski Daniel

(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)
	President, S&S Comm. Segment

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 $0.10 Per Share	09/30/2025		M		8,893	A	(1)	34,038	D
Common Stock Par Value $0.10 Per Share	09/30/2025		F(2)		4,011	D	$2.58	30,027	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			8,893	(3)	(3)	Common Stock Par Value $0.10 Per Share	8,893	$0	27,211	D

Explanation of Responses:

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

2. The 4,011 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 8,893 of the 26,679 restricted stock units issued to the Reporting Person on September 30, 2024.

Remarks:

	/s/ Michael C. Shay, Attorney-in-Fact for Daniel Gizinski	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 did Daniel Gizinski report on Form 4 for CMTL?

The filing reports the vesting of 8,893 restricted stock units (RSUs) on 09/30/2025, with 4,011 shares withheld for taxes, leaving 30,027 shares beneficially owned.

How many RSUs were originally granted to the reporting person?

The filing states the vested RSUs were part of a grant of 26,679 RSUs issued on 09/30/2024.

What tax treatment is shown in the Form 4?

The Form 4 discloses that 4,011 shares were withheld to pay the reporting person's federal, state and FICA tax obligations.

When were the transactions and filing signed?

The RSU vesting transaction date is 09/30/2025 and the Form 4 was signed by an attorney-in-fact on 10/02/2025.

What is the reporting person's role at Comtech (CMTL)?

The filer is identified as an officer: President, S&S Communications Segment.