Stocks › CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/
CMTL·Nasdaq·
United States·USD
United States·USD$1.25
+0.00 (+0.00%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CMTL
COMTECH TELECOMMUNICATIONS CORP /DE/ · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CMTLS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of CMTL by members of U.S. Congress · 8 on record
Whale Activity
Position changes in CMTL reported for 2026-06-30 by 7 tracked institutional filers
- Increased3
- New0
- Held0
- Decreased4
- Closed0
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 1.3M | $2.7M | increased |
| BlackRock, Inc. | 506.0K | $1.1M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 332.5K | $698K | increased |
| TWO SIGMA INVESTMENTS, LP | 156.1K | $328K | decreased |
| MILLENNIUM MANAGEMENT LLC | 101.7K | $214K | decreased |
| CITADEL ADVISORS LLC | 51.8K | $109K | decreased |
| Point72 Asset Management, L.P. | 18.3K | $38K | decreased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by CMTL insiders, by quarter · Form 4
Recent Insider Transactions
1,051 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Gizinski DanielPresident, S&S Comm. Segment | Sale | −200 | $2.60 | $520 | Jun 18, 2026 | Form 4 ↗ |
| Robertson Jeffery PaulPresident, Allerium Segment | Tax withholding | −19.8K | $5.64 | $112K | Jun 3, 2026 | Form 4 ↗ |
| Robertson Jeffery PaulPresident, Allerium Segment | Option exercise | +38.9K | — | — | Jun 3, 2026 | Form 4 ↗ |
| Walther Donald E.Chief Legal Officer | Tax withholding | −9,899 | $3.52 | $35K | Apr 28, 2026 | Form 4 ↗ |
| Walther Donald E.Chief Legal Officer | Option exercise | +29.0K | — | — | Apr 28, 2026 | Form 4 ↗ |
| Walther Donald E.Chief Legal Officer | Tax withholding | −576 | $3.52 | $2K | Apr 28, 2026 | Form 4 ↗ |
| Walther Donald E.Chief Legal Officer | Option exercise | +1,685 | — | — | Apr 28, 2026 | Form 4 ↗ |
| Sprung Lloyd A.Director | Grant / award | +36.6K | $0.00 | $0 | Mar 24, 2026 | Form 4 ↗ |
| Hildebrandt MichaelDirector | Grant / award | +36.6K | $0.00 | $0 | Mar 24, 2026 | Form 4 ↗ |
| Crawford Bruce TDirector | Grant / award | +36.6K | $0.00 | $0 | Mar 24, 2026 | Form 4 ↗ |
| RAYMOND MARY JANEDirector | Grant / award | +36.6K | $0.00 | $0 | Mar 24, 2026 | Form 4 ↗ |
| Gizinski DanielPresident, S&S Comm. Segment | Tax withholding | −460 | $5.29 | $2K | Feb 4, 2026 | Form 4 ↗ |
| Gizinski DanielPresident, S&S Comm. Segment | Option exercise | +1,019 | — | — | Feb 4, 2026 | Form 4 ↗ |
| Traub KennethChairman, President and CEO · Director | Tax withholding | −22.4K | $5.87 | $132K | Jan 23, 2026 | Form 4 ↗ |
| Traub KennethChairman, President and CEO · Director | Option exercise | +54.6K | — | — | Jan 23, 2026 | Form 4 ↗ |
| Robertson Jeffery PaulPresident, Allerium Segment | Tax withholding | −2,268 | $5.47 | $12K | Jan 10, 2026 | Form 4 ↗ |
| Robertson Jeffery PaulPresident, Allerium Segment | Option exercise | +4,036 | — | — | Jan 10, 2026 | Form 4 ↗ |
| Gizinski DanielPresident, S&S Comm. Segment | Tax withholding | −539 | $3.04 | $2K | Nov 7, 2025 | Form 4 ↗ |
| Gizinski DanielPresident, S&S Comm. Segment | Grant / award | +1,193 | — | — | Nov 7, 2025 | Form 4 ↗ |
| Walther Donald E.Chief Legal Officer | Tax withholding | −868 | $3.04 | $3K | Nov 7, 2025 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding CMTL · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 936.4K | $2.0M | 0.00% | Jun 30, 2026 |
| Needham Aggressive Growth Fund Needham Funds Inc | 764.6K | $1.6M | 0.06% | Jun 30, 2026 |
| Adara Smaller Companies Fund RBB Fund, Inc. | 181.1K | $1.0M | 0.12% | May 31, 2026 |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 156.3K | $878K | 0.00% | May 31, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 335.2K | $704K | 0.00% | Jun 30, 2026 |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 58.3K | $328K | 0.00% | May 31, 2026 |
| Royce Small-Cap Opportunity Fund ROYCE FUND | 147.3K | $309K | 0.02% | Jun 30, 2026 |
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 127.0K | $267K | 0.27% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 44.6K | $251K | 0.00% | May 31, 2026 |
| U.S. SMALL CAP VALUE PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 62.3K | $219K | 0.00% | Apr 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list CMTL's shares (CUSIP 205826209), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Vanguard Capital ManagementSCHEDULE 13G · passive (13G) · 1.5M shares5.0%
Jul 31, 2026 · ↗ - ROYCE & ASSOCIATES LPSCHEDULE 13G/A · passive (13G) · 163.0K shares0.5%
Jul 28, 2026 · ↗ - David J. SnydermanSCHEDULE 13D/A · activist (13D) · 22.4M shares42.8%
Jun 17, 2026 · ↗ - Supernova Management LLCSCHEDULE 13D/A · activist (13D) · 22.4M shares42.8%
Jun 17, 2026 · ↗ - Magnetar Capital Partners LPSCHEDULE 13D/A · activist (13D) · 22.4M shares42.8%
Jun 17, 2026 · ↗ - Magnetar Financial LLCSCHEDULE 13D/A · activist (13D) · 22.4M shares42.8%
Jun 17, 2026 · ↗ - Mark R. QuinlanSCHEDULE 13D/A · activist (13D) · 5.1M shares10.0%
Jun 16, 2026 · ↗ - David J. ChanleySCHEDULE 13D/A · activist (13D) · 5.1M shares10.0%
Jun 16, 2026 · ↗ - White Hat Capital Partners LPSCHEDULE 13D/A · activist (13D) · 5.1M shares10.0%
Jun 16, 2026 · ↗ - White Hat SP GP II LLCSCHEDULE 13D/A · activist (13D) · 1.1M shares3.5%
Jun 16, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming comtech telecommunications as client
- COMTECH TELECOMMUNICATIONS CORP.COMTECH TELECOMMUNICATIONS CORP. · 2024 Q4 · BUD, COM, TRD, DEF—
Filing ↗ - COMTECH TELECOMMUNICATIONS CORP.COMTECH TELECOMMUNICATIONS CORP. · 2024 Q3 · COM, TRD, DEF, TEC—
Filing ↗ - COMTECH TELECOMMUNICATIONS CORP.COMTECH TELECOMMUNICATIONS CORP. · 2024 Q3 · AER, FOR, BUD, COM—
Filing ↗ - CORNERSTONE GOVERNMENT AFFAIRS, INC.COMTECH TELECOMMUNICATIONS CYBER STRONG (FKA TELECOMMUNICATIONS SYSTEMS, INC.) · 2024 Q2—
Filing ↗ - CORNERSTONE GOVERNMENT AFFAIRS, INC.COMTECH TELECOMMUNICATIONS CYBER STRONG (FKA TELECOMMUNICATIONS SYSTEMS, INC.) · 2024 Q1 · EDU$50K
Filing ↗
Government Contracts
Federal awards to COMTECH TELECOMMUNICATIONS CORP /DE/ · USAspending
No federal contract awards found for COMTECH TELECOMMUNICATIONS CORP /DE/.
U.S. Patents
Recent USPTO applications naming COMTECH TELECOMMUNICATIONS CORP /DE/
No USPTO patent applications found for COMTECH TELECOMMUNICATIONS CORP /DE/.
Annual Financials
From CMTL's 10-K filings · XBRL
No annual XBRL figures on record for CMTL. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 3-for-2Stock splitApr 5, 2005
- 73-for-49Stock splitJul 15, 2003
- 3-for-2Stock splitAug 2, 1999
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 5.02, 9.01Officer / director changeOct 5, 2026
EDGAR ↗ - 8-K · Items 1.01, 8.01, 9.01Material agreement · Other eventsAug 3, 2026
EDGAR ↗ - 8-K · Items 5.02Officer / director changeJun 16, 2026
EDGAR ↗ - 8-K · Items 1.01, 1.02, 2.03, 3.02, 3.03, 7.01, 9.01Material agreement · Termination of agreement · Direct financial obligationJun 15, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsJun 15, 2026
EDGAR ↗ - 8-K · Items 5.02Officer / director changeMay 14, 2026
EDGAR ↗
About COMTECH TELECOMMUNICATIONS CORP /DE/
From SEC EDGAR company records
Industry (SIC 3663)Radio & Tv Broadcasting & Communications Equipment
SectorTechnology
HeadquartersCHANDLER, AZ
IncorporatedDE
SEC CIK0000023197 ↗