Donald E. Walther

CIK: 0001740119

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)7 (38.9%)

Derivative conversions

Awards (A)3 (16.7%)

Compensation grants

Other (G, F, J, C, D, …)8 (44.4%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CMTL

COMTECH TELECOMMUNICATIONS CORP /DE/

Officer

Discretionary Trading P&L

Holdings

Transaction History (18 total)

CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Sep 30, 2026
Tax Payment(F)
Direct
5.4K shares at avg. $1.37$7K
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Sep 30, 2026
Exercise(M)
Direct
15.9K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Aug 11, 2026
Exercise(M)
Direct
5.9K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Aug 11, 2026
Tax Payment(F)
Direct
2K shares at avg. $1.73$3K
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Apr 28, 2026
Tax Payment(F)
Direct
576 shares at avg. $3.52$2K
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Apr 28, 2026
Tax Payment(F)
Direct
9.9K shares at avg. $3.52$35K
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Apr 28, 2026
Exercise(M)
Direct
1.7K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Apr 28, 2026
Exercise(M)
Direct
29K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Nov 7, 2025
Award(A)
Direct
2.6K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Nov 7, 2025
Tax Payment(F)
Direct
868 shares at avg. $3.04$3K
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Nov 7, 2025
Award(A)
Restricted Stock Units
Direct
106.9K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Sep 30, 2025
Tax Payment(F)
Direct
5.3K shares at avg. $2.58$14K
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Sep 30, 2025
Exercise(M)
Direct
15.9K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Aug 11, 2025
Exercise(M)
Direct
5.9K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Aug 11, 2025
Tax Payment(F)
Direct
2K shares at avg. $1.99$4K
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Apr 28, 2025
Exercise(M)
Direct
1.7K shares-
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Apr 28, 2025
Tax Payment(F)
Direct
562 shares at avg. $1.39$781.18
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
Sep 30, 2024
Award(A)
Restricted Stock Units
Direct
47.8K shares-

		Type	Shares	Price		Ownership
Sep 30, 2026	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Tax Payment(F)	5,446	$1.37	$7,461	Direct
Sep 30, 2026	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Exercise(M)	15,946	-	$0	Direct
Aug 11, 2026	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Exercise(M)	5,883	-	$0	Direct
Aug 11, 2026	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Tax Payment(F)	2,010	$1.73	$3,477	Direct
Apr 28, 2026	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Tax Payment(F)	576	$3.52	$2,028	Direct
Apr 28, 2026	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Tax Payment(F)	9,899	$3.52	$34,844	Direct
Apr 28, 2026	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Exercise(M)	1,685	-	$0	Direct
Apr 28, 2026	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Exercise(M)	28,986	-	$0	Direct
Nov 7, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Award(A)	2,605	-	-	Direct
Nov 7, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Tax Payment(F)	868	$3.04	$2,639	Direct
Nov 7, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Award(A) Restricted Stock Units	106,908	-	-	Direct
Sep 30, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Tax Payment(F)	5,311	$2.58	$13,702	Direct
Sep 30, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Exercise(M)	15,946	-	-	Direct
Aug 11, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Exercise(M)	5,882	-	-	Direct
Aug 11, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Tax Payment(F)	1,959	$1.99	$3,898	Direct
Apr 28, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Exercise(M)	1,685	-	-	Direct
Apr 28, 2025	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Tax Payment(F)	562	$1.39	$781	Direct
Sep 30, 2024	CMTL COMTECH TELECOMMUNICATIONS CORP /DE/	Award(A) Restricted Stock Units	47,838	-	-	Direct

1-18 of 18 transactions

About Walther Donald E.

Walther Donald E. (SEC CIK 0001740119) files insider reports with the SEC as Chief Legal Officer of COMTECH TELECOMMUNICATIONS CORP /DE/ (CMTL).

Signal8 holds 9 ownership filings by Walther Donald E., all Form 4s, filed between Oct 2, 2024 and Oct 1, 2026. Those filings report 18 transactions, from Sep 30, 2024 to Sep 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Walther Donald E.'s filings is in CHANDLER, AZ.

Recent filings by Walther Donald E.

Sep 30, 2026: Tax withholding of CMTL shares (Form 4, code F).
Sep 30, 2026: Option exercise of CMTL shares (Form 4, code M).
Aug 11, 2026: Option exercise of CMTL shares (Form 4, code M).
Aug 11, 2026: Tax withholding of CMTL shares (Form 4, code F).
Apr 28, 2026: Tax withholdings of CMTL shares (2 lines, Form 4, code F).

Other insiders filing for COMTECH TELECOMMUNICATIONS CORP /DE/ (CMTL)

Maloney Christopher D, Director
BONDI MICHAEL, Chief Financial Officer
Robertson Jeffery Paul, President, Allerium Segment
Gizinski Daniel, President, S&S Comm. Segment
Crawford Bruce T, Director
Hildebrandt Michael, Director

How to read Form 4 transaction codes