Comtech (CMTL) segment president reports RSU vesting, tax-share withholding in Form 4

Rhea-AI Filing Summary

Comtech Telecommunications Corp. officer Daniel Gizinski reported routine equity compensation activity. On 02/04/2026, 1,019 restricted stock units vested and converted into 1,019 shares of common stock on a one-for-one basis. Of these, 460 shares were withheld at $5.29 per share to cover federal, state and FICA tax obligations, leaving 31,240 common shares beneficially owned directly after the transactions.

Following the vesting, Gizinski also reported 145,435 restricted stock units beneficially owned, reflecting remaining unvested or unsettled awards. He serves as President, S&S Communications Segment and is an officer but not a director or 10% owner of Comtech Telecommunications Corp.

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

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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).

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^*

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)
02/04/2026

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 Par Value $0.10 Per Share	02/04/2026		M		1,019	A	(1)	31,700	D
Common Stock Par Value $0.10 Per Share	02/04/2026		F(2)		460	D	$5.29	31,240	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)	02/04/2026		M			1,019	(3)	(3)	Common Stock Par Value $0.10 Per Share	1,019	$0	145,435	D

Explanation of Responses:

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

2. The 460 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 1,019 of the 5,097 restricted stock units issued to the Reporting Person on February 4, 2022.

Remarks:

	/s/ Michael C. Shay, Attorney-in-Fact for Daniel Gizinski	02/05/2026
	** 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.
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FAQ

What insider transactions did CMTL officer Daniel Gizinski report on February 4, 2026?

Daniel Gizinski reported the vesting of 1,019 restricted stock units into common stock. From these vested shares, 460 were withheld at $5.29 per share to satisfy federal, state, and FICA tax obligations, with the remaining shares increasing his directly owned common stock position.

How many Comtech (CMTL) common shares does Daniel Gizinski own after this Form 4 filing?

After the reported transactions, Daniel Gizinski beneficially owns 31,240 shares of Comtech common stock directly. This reflects the vesting of 1,019 shares and the tax withholding of 460 shares, as disclosed in the non-derivative securities table in the Form 4 filing.

What happened to the 1,019 restricted stock units reported by CMTL executive Daniel Gizinski?

The 1,019 restricted stock units vested and converted into 1,019 shares of Comtech common stock on a one-for-one basis. This vesting represents part of a larger 5,097-unit grant originally issued on February 4, 2022, according to the Form 4 footnotes.

How many restricted stock units does CMTL officer Daniel Gizinski hold after the February 2026 vesting?

Following the vesting transaction on February 4, 2026, Daniel Gizinski beneficially owns 145,435 restricted stock units. These units are derivative securities that may convert into common stock in the future under the company’s equity compensation arrangements, as reflected in Table II.

Why were 460 CMTL shares withheld in Daniel Gizinski’s Form 4 transaction?

The 460 shares were withheld to pay Daniel Gizinski’s federal, state, and Federal Insurance Contributions Act (FICA) taxes. This share withholding is a common mechanism to satisfy tax obligations arising from equity award vesting, instead of paying cash directly for the associated tax liability.

What is Daniel Gizinski’s role at Comtech Telecommunications Corp. (CMTL)?

Daniel Gizinski is an officer of Comtech Telecommunications Corp., serving as President of the S&S Communications Segment. In the Form 4, he is identified as an officer but not as a director or 10% owner, clarifying his reporting status under Section 16 rules.