Amendment to Statement of Changes in Beneficial Ownership (Form 4/A)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Gizinski Daniel 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 (Last) (First) (Middle) 305 N 54TH STREET 3. Date of Earliest Transaction (Month/Day/Year) 08/12/2025 (Street) CHANDLER, AZ 85226 4. If Amendment, Date Original Filed (Month/Day/Year) 08/14/2025 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 08/12/2025 M 1,374 A (1) 25,765 D Common Stock Par Value $0.10 Per Share 08/12/2025 F(2) 620(3) D $2.08 25,145 D

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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 Underlying Securities (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 of Derivative Security: 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)

08/12/2025

M

1,374

(4)

(4)

Common Stock Par Value $0.10 Per Share

1,374

$ 0

36,104

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Gizinski Daniel 305 N 54TH STREET CHANDLER, AZ 85226			President, S&S Comm. Segment

Signatures

/s/ Michael C. Shay, Attorney-in-Fact for Daniel Gizinski		08/19/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Restricted stock units convert into common stock on a one-for-one basis.
(2)	The 620 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 Form 4/A is being filed as an amendment to the Form 4 filed by Comtech Telecommunications Corp on August 14, 2025 (the "Original Report"), solely to correct an error in the amount of shares withheld to pay the Reporting Person's federal, state, and Federal Insurance Contributions Act ("FICA") tax reported on Table 1. There are no other changes to the Original Report.
(4)	This transaction represents the vesting of 1,374 of the 4,123 restricted stock units issued to the Reporting Person on August 12, 2022.

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