Insider Transactions Reported by 25 Insiders of COMTECH TELECOMMUNICATIONS CORP /DE/

Symbol: CMTL on Nasdaq
Location: Chandler, AZ

Quick Takeaways

CMTL - COMTECH TELECOMMUNICATIONS CORP /DE/ has 25 insiders with reported activity on this page.
No net insider buy/sell flow is currently reported for the last year.
Recent transaction rows are available for direct filing-level review.

What Changed

No meaningful buy/sell imbalance is currently visible in the one-year window.
Activity will update as new Forms 3/4/5 are filed.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 16 May 2025.

Buys

Shares: 0

Insiders: 0

Sells

Shares: 0

Insiders: 0

Net

Shares: 0

Insiders: 0

Window (months)	Buy $	Sell $	Net $
0-3	$0	$0	$0
3-6	$0	$0	$0
6-9	$0	$0	$0
9-12	$0	$0	$0

COMTECH TELECOMMUNICATIONS CORP /DE/ executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Valuation	Report Date
Fred Kornberg	Director	$4,528,242	Mixed	03 Dec 2022
Michael D. Porcelain	Former President & CEO	$1,822,839	Mixed	09 Aug 2022
Ken A. Peterman	Chairman, President and CEO, Director	$1,615,502	Mixed	12 Sep 2023
Kenneth Traub	Chairman, President and CEO, Director	$679,109	Mixed	23 Jan 2026
John Ratigan	President and CEO, Director	$619,451	Mixed	28 Oct 2024
Michael Bondi	Chief Financial Officer	$610,722	Mixed	07 Nov 2025
Jeffery Paul Robertson	President, Allerium Segment	$550,538	Mixed	10 Jan 2026
Nancy M. Stallone	Exec VP Treasurer & Asst Sec.	$534,902	Mixed	12 Aug 2024
Donald E. Walther	Chief Legal Officer	$396,568	Mixed	28 Apr 2026
Michael Hildebrandt	Director	$390,592	Mixed	24 Mar 2026
Lisa /adv Lesavoy	Director	$355,128	Mixed	11 Aug 2023
Maria Hedden	Chief Operating Officer	$296,877	Mixed	12 Aug 2024
Crawford Bruce T.	Director	$282,410	Mixed	24 Mar 2026
Daniel Gizinski	President, S&S Comm. Segment	$252,671	Mixed	04 Feb 2026
Mary Jane Raymond	Director	$193,719	Mixed	24 Mar 2026
Lloyd A. Sprung	Director	$193,719	Mixed	24 Mar 2026
Lawrence Waldman	Director	$138,076	Mixed	24 Mar 2026
Yacov A. Shamash	Director	$137,526	Mixed	30 Sep 2024
Ellen M. Lord	Director	$133,785	Mixed	11 Aug 2023
Judy Chambers	Director	$115,112	Mixed	30 Sep 2024
Mark R. Quinlan	Director	$112,043	Mixed	24 Mar 2026
Wendi B. Carpenter	Director	$112,043	Mixed	30 Sep 2024
Yelena Simonyuk	General Counsel	$106,065	Mixed	12 Aug 2023
Doug Houston	President, Antennas & Systems	$79,514	Mixed	01 Nov 2024
David B. Kagan	Director	$68,935	Mixed	25 Feb 2025

Top shareholders of COMTECH TELECOMMUNICATIONS CORP /DE/ (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Magnetar Financial LLC	13D/G	—	42%	20,955,990	$51,367,322	+$1,479,463	21 Jul 2025	13D/G
White Hat Capital Partners LP	13D/G	Mark R. Quinlan	10%	4,807,109	$11,783,186	+$310,991	21 Jul 2025	13D/G
NEEDHAM INVESTMENT MANAGEMENT LLC	13D/G 13F	NEEDHAM INVESTMENT MANAGEMENT L.L.C. · Company	4%	1,174,300	$6,212,047	-$3,204,153	31 Dec 2025	13D/G 13F
ROYCE & ASSOCIATES LP	13F 13D/G	Company	5.4% from 13D/G	1,716,098	$5,697,445	—	31 Mar 2026	13F 13D/G
QVT Financial LP	13D/G 13F	Company	5.7%	1,694,467	$5,625,630	$0	31 Mar 2026	13D/G 13F
Fred Kornberg	3/4/5	Director	— class O/S missing	549,544	$4,528,242	—	03 Dec 2022	3/4/5
Beacon Pointe Advisors, LLC	13F	Company	4.2%	1,246,044	$4,136,867	—	31 Mar 2026	13F
VANGUARD CAPITAL MANAGEMENT LLC	13F	Company	4%	1,194,328	$3,965,169	—	31 Mar 2026	13F
MARSHALL WACE, LLP	13F	Company	2.9%	867,137	$2,878,896	—	31 Mar 2026	13F
TCW GROUP INC	13F	Company	2.4%	726,806	$2,393,001	—	31 Mar 2026	13F
Michael D. Porcelain	3/4/5	Former President & CEO	— mixed-class rows	279,239 mixed-class rows	$1,822,839	—	09 Aug 2022	3/4/5
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.7%	493,103	$1,636,475	—	31 Mar 2026	13F
Ken A. Peterman	3/4/5	Chairman, President and CEO, Director	— mixed-class rows	196,056 mixed-class rows	$1,615,502	—	12 Sep 2023	3/4/5
BlackRock, Inc.	13F	Company	1.6%	483,885	$1,606,499	—	31 Mar 2026	13F
Pacific Ridge Capital Partners, LLC	13F	Company	1.6%	463,784	$1,539,763	—	31 Mar 2026	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.4%	403,265	$1,334,000	—	31 Mar 2026	13F
MML INVESTORS SERVICES, LLC	13F	Company	1.3%	390,319	$1,295,858	—	31 Mar 2026	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	1.3%	376,091	$1,248,622	—	31 Mar 2026	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.2%	351,766	$1,168,435	—	31 Mar 2026	13F
JANE STREET GROUP, LLC	13F	Company	0.99%	294,515	$977,791	—	31 Mar 2026	13F
CITADEL ADVISORS LLC	13F	Company	0.92%	273,085	$906,642	—	31 Mar 2026	13F
Beartown Capital Management, LLC	13F	Company	0.85%	251,881	$836,245	—	31 Mar 2026	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.85%	251,726	$835,730	—	31 Mar 2026	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.79%	235,649	$782,355	—	31 Mar 2026	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.7%	208,842	$693,355	—	31 Mar 2026	13F
Kenneth Traub	3/4/5	Chairman, President and CEO, Director	— mixed-class rows	474,748 mixed-class rows	$679,109	—	23 Jan 2026	3/4/5
GLOBEFLEX CAPITAL L P	13F	Company	0.66%	197,120	$654,438	—	31 Mar 2026	13F
John Ratigan	3/4/5	President and CEO, Director	— mixed-class rows	367,549 mixed-class rows	$619,451	—	28 Oct 2024	3/4/5
Michael Bondi	3/4/5	Chief Financial Officer	— mixed-class rows	340,012 mixed-class rows	$610,722	—	07 Nov 2025	3/4/5
UBS Group AG	13F	Company	0.59%	174,236	$578,463	—	31 Mar 2026	13F
VANGUARD FIDUCIARY TRUST CO	13F	Company	0.59%	173,902	$577,355	—	31 Mar 2026	13F
Jeffery Paul Robertson	3/4/5	President, Allerium Segment	— mixed-class rows	249,458 mixed-class rows	$550,538	—	10 Jan 2026	3/4/5
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.56%	164,989	$547,763	—	31 Mar 2026	13F
Nancy M. Stallone	3/4/5	Exec VP Treasurer & Asst Sec.	— mixed-class rows	104,032 mixed-class rows	$534,902	—	12 Aug 2024	3/4/5
Mount Lucas Management LP	13F	Company	0.54%	160,000	$531,200	—	31 Mar 2026	13F
STATE STREET CORP	13F	Company	0.47%	139,237	$462,267	—	31 Mar 2026	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.43%	128,793	$427,593	—	31 Mar 2026	13F
Donald E. Walther	3/4/5	Chief Legal Officer	— mixed-class rows	207,325 mixed-class rows	$396,568	—	28 Apr 2026	3/4/5
Michael Hildebrandt	3/4/5	Director	0.25%	73,836	$390,592	—	24 Mar 2026	3/4/5
Lisa /adv Lesavoy	3/4/5	Director	— class O/S missing	43,098	$355,128	—	11 Aug 2023	3/4/5
Engineers Gate Manager LP	13F	Company	0.33%	97,053	$322,216	—	31 Mar 2026	13F
Maria Hedden	3/4/5	Chief Operating Officer	— mixed-class rows	114,560 mixed-class rows	$296,877	—	12 Aug 2024	3/4/5
Crawford Bruce T.	3/4/5	Director	— mixed-class rows	79,884 mixed-class rows	$282,410	—	24 Mar 2026	3/4/5
NORTHERN TRUST CORP	13F	Company	0.28%	81,965	$272,123	—	31 Mar 2026	13F
Daniel Gizinski	3/4/5	President, S&S Comm. Segment	— mixed-class rows	176,675 mixed-class rows	$252,671	—	04 Feb 2026	3/4/5
Hillsdale Investment Management Inc.	13F	Company	0.24%	71,200	$236,384	—	31 Mar 2026	13F
XTX Topco Ltd	13F	Company	0.24%	71,180	$236,318	—	31 Mar 2026	13F
MORGAN STANLEY	13F	Company	0.24%	69,852	$231,909	—	31 Mar 2026	13F
Lloyd A. Sprung	3/4/5	Director	0.12%	36,620	$193,719	—	24 Mar 2026	3/4/5
Mary Jane Raymond	3/4/5	Director	0.12%	36,620	$193,719	—	24 Mar 2026	3/4/5

Recent Insider Transactions by Companies or Individuals for COMTECH TELECOMMUNICATIONS CORP /DE/

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Shares	Shares Owned	Date	Ownership
Donald E. Walther	CMTL	Common Stock Par Value $.10 Per Share	Tax liability	-19.4%	-10,475	43,555	28 Apr 2026	Direct
Donald E. Walther	CMTL	Common Stock Par Value $.10 Per Share	Options Exercise	73.2%	30,671	72,541	28 Apr 2026	Direct
Donald E. Walther	CMTL	Restricted Stock Units	Options Exercise	-17.5%	-30,671	144,683	28 Apr 2026	Direct
Bruce T. Crawford	CMTL	Common Stock Par Value $0.10 Per Share	Award		36,620	36,620	24 Mar 2026	Direct
Michael Hildebrandt	CMTL	Common Stock Par Value $0.10 Per Share	Award	98.4%	36,620	73,836	24 Mar 2026	Direct
Mary J. Raymond	CMTL	Common Stock Par Value $0.10 Per Share	Award		36,620	36,620	24 Mar 2026	Direct
Lloyd A. Sprung	CMTL	Common Stock Par Value $0.10 Per Share	Award		36,620	36,620	24 Mar 2026	Direct
Lawrence Waldman	CMTL	Restricted Stock Units	Award	54.4%	36,620	103,974	24 Mar 2026	Direct
Mark R. Quinlan	CMTL	Restricted Stock Units	Award	67%	36,620	91,275	24 Mar 2026	Direct
Daniel Gizinski	CMTL	Common Stock Par Value $0.10 Per Share	Tax liability	-1.45%	-460	31,240	04 Feb 2026	Direct
Daniel Gizinski	CMTL	Common Stock Par Value $0.10 Per Share	Options Exercise	3.32%	1,019	31,700	04 Feb 2026	Direct
Daniel Gizinski	CMTL	Restricted Stock Units	Options Exercise	-0.7%	-1,019	145,435	04 Feb 2026	Direct
Kenneth Traub	CMTL	Common Stock Par Value $0.10 Per Share	Tax liability	-27.7%	-22,439	58,440	23 Jan 2026	Direct
Kenneth Traub	CMTL	Common Stock Par Value $0.10 Per Share	Options Exercise	208.3%	54,645	80,879	23 Jan 2026	Direct
Kenneth Traub	CMTL	Restricted Stock Units	Options Exercise	-11.6%	-54,645	416,308	23 Jan 2026	Direct
Jeffery Paul Robertson	CMTL	Common Stock Par Value $0.10 Per Share	Tax liability	-4.62%	-2,268	46,845	10 Jan 2026	Direct
Jeffery Paul Robertson	CMTL	Common Stock Par Value $0.10 Per Share	Options Exercise	8.95%	4,036	49,113	10 Jan 2026	Direct
Jeffery Paul Robertson	CMTL	Restricted Stock Units	Options Exercise	-1.95%	-4,036	202,613	10 Jan 2026	Direct
Daniel Gizinski	CMTL	Common Stock Par Value $0.10 Per Share	Tax liability	-1.73%	-539	30,681	07 Nov 2025	Direct
Daniel Gizinski	CMTL	Common Stock Par Value $0.10 Per Share	Award	3.97%	1,193	31,220	07 Nov 2025	Direct
Daniel Gizinski	CMTL	Restricted Stock Units	Award	438.2%	119,243	146,454	07 Nov 2025	Direct
Jeffery Paul Robertson	CMTL	Restricted Stock Units	Award	107.2%	106,908	206,649	07 Nov 2025	Direct
Donald E. Walther	CMTL	Common Stock Par Value $.10 Per Share	Tax liability	-2%	-868	42,446	07 Nov 2025	Direct
Donald E. Walther	CMTL	Common Stock Par Value $.10 Per Share	Award	6.4%	2,605	43,314	07 Nov 2025	Direct
Donald E. Walther	CMTL	Restricted Stock Units	Award	156.2%	106,908	175,354	07 Nov 2025	Direct
Michael Bondi	CMTL	Common Stock Par Value $.10 Per Share	Tax liability	-1.74%	-2,561	144,958	07 Nov 2025	Direct
Michael Bondi	CMTL	Common Stock Par Value $.10 Per Share	Award	3.52%	5,015	147,519	07 Nov 2025	Direct
Michael Bondi	CMTL	Restricted Stock Units	Award	314.8%	148,026	195,054	07 Nov 2025	Direct
Kenneth Traub	CMTL	Restricted Stock Units	Award	187.3%	307,018	470,953	07 Nov 2025	Direct
Jeffery Paul Robertson	CMTL	Common Stock Par Value $0.10 Per Share	Tax liability	-5.24%	-2,492	45,077	30 Sep 2025	Direct
Jeffery Paul Robertson	CMTL	Common Stock Par Value $0.10 Per Share	Options Exercise	11.5%	4,907	47,569	30 Sep 2025	Direct
Jeffery Paul Robertson	CMTL	Restricted Stock Units	Options Exercise	-4.69%	-4,907	99,741	30 Sep 2025	Direct
Donald E. Walther	CMTL	Common Stock Par Value $.10 Per Share	Tax liability	-11.5%	-5,311	40,709	30 Sep 2025	Direct
Donald E. Walther	CMTL	Common Stock Par Value $.10 Per Share	Options Exercise	53%	15,946	46,020	30 Sep 2025	Direct
Donald E. Walther	CMTL	Restricted Stock Units	Options Exercise	-18.9%	-15,946	68,446	30 Sep 2025	Direct
Daniel Gizinski	CMTL	Common Stock Par Value $0.10 Per Share	Tax liability	-11.8%	-4,011	30,027	30 Sep 2025	Direct
Daniel Gizinski	CMTL	Common Stock Par Value $0.10 Per Share	Options Exercise	35.4%	8,893	34,038	30 Sep 2025	Direct
Daniel Gizinski	CMTL	Restricted Stock Units	Options Exercise	-24.6%	-8,893	27,211	30 Sep 2025	Direct
Michael Bondi	CMTL	Common Stock Par Value $.10 Per Share	Tax liability	-5.98%	-9,064	142,504	30 Sep 2025	Direct
Michael Bondi	CMTL	Common Stock Par Value $.10 Per Share	Options Exercise	13.3%	17,755	151,568	30 Sep 2025	Direct
Michael Bondi	CMTL	Restricted Stock Units	Options Exercise	-27.4%	-17,755	47,028	30 Sep 2025	Direct
Daniel Gizinski	CMTL	Common Stock Par Value $0.10 Per Share	Tax liability	-2.41%	-620	25,145	12 Aug 2025	Direct
Daniel Gizinski	CMTL	Common Stock Par Value $0.10 Per Share	Options Exercise	5.63%	1,374	25,765	12 Aug 2025	Direct
Daniel Gizinski	CMTL	Restricted Stock Units	Options Exercise	-3.67%	-1,374	36,104	12 Aug 2025	Direct
Michael Bondi	CMTL	Common Stock Par Value $.10 Per Share	Tax liability	-1.81%	-2,472	133,813	12 Aug 2025	Direct
Michael Bondi	CMTL	Common Stock Par Value $.10 Per Share	Options Exercise	3.68%	4,842	136,285	12 Aug 2025	Direct
Michael Bondi	CMTL	Restricted Stock Units	Options Exercise	-6.95%	-4,842	64,783	12 Aug 2025	Direct
Michael Bondi	CMTL	Common Stock Par Value $.10 Per Share	Tax liability	-3.85%	-5,269	131,443	11 Aug 2025	Direct
Michael Bondi	CMTL	Common Stock Par Value $.10 Per Share	Options Exercise	8.17%	10,321	136,712	11 Aug 2025	Direct
Michael Bondi	CMTL	Restricted Stock Units	Options Exercise	-12.9%	-10,321	69,625	11 Aug 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.