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) 04/28/2026	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)
			Code	V	Amount	(A) or (D)	Price
Common Stock Par Value $.10 Per Share	04/28/2026		M		1,685	A	(1)	44,131	D
Common Stock Par Value $.10 Per Share	04/28/2026		F(2)		576	D	$3.52	43,555	D
Common Stock Par Value $.10 Per Share	04/28/2026		M		28,986	A	(1)	72,541	D
Common Stock Par Value $.10 Per Share	04/28/2026		F(3)		9,899	D	$3.52	62,642	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)	04/28/2026		M			1,685	(4)	(4)	Common Stock Par Value $.10 Per Share	1,685	$0	173,669	D
Restricted Stock Units	(1)	04/28/2026		M			28,986	(5)	(5)	Common Stock Par Value $.10 Per Share	28,986	$0	144,683	D

Explanation of Responses:

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

2. The 576 reflected on this table represents the shares withheld to pay the Reporting Person's federal, state, and Federal Insurance Contributions Act ("FICA") tax.

3. The 9,899 reflected on this table represents the shares withheld to pay the Reporting Person's federal, state, and Federal Insurance Contributions Act ("FICA") tax.

4. This transaction represents the vesting of 1,685 of the 5,055 restricted stock units issued to the Reporting Person on April 28, 2023.

5. This transaction represents the vesting of 28,986 restricted stock units issued to the Reporting Person on April 28, 2023.

Remarks:

	/s/ Michael C. Shay, Attorney-in-Fact for Donald E. Walther	04/29/2026
	** 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)