Frequency Electronics, Inc. (FEIM)

Nasdaq: FEIM · Instruments For Meas & Testing of Electricity & Elec Signals · Mitchel Field, NY · filing with the SEC since 1994

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Grade4.2

◀ Past 3.7● Present 4.4▶ Future 4.5

Overview Business Financials Grade Forecast Sentiment Ownership People Filings Patents Chart

Who owns Frequency Electronics, Inc.

As filed with the SEC

Holders of 5% or more

Jonathan Brolin holds 11.3% of Common Stock, par value $1.00 per share, as its SCHEDULE 13D/A filed Jul 30, 2026 says.

Directors and officers

report now, of 21 people on the record since 2006. Their holdings as a group are not read here.

Institutions as a whole

n/a

The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.

Holders of 5% or moreshare of the class, as filed

Jonathan Brolin

SCHEDULE 13D/A · filed Jul 30, 2026 · Common Stock, par value $1.00 per share

11.3%

Driehaus Capital Management LLC

SCHEDULE 13G · filed Aug 14, 2026 · Common Stock

7.18%

Blackrock, Inc.

SCHEDULE 13G · filed Jul 28, 2026 · Common Stock

5.2%

The Vanguard Group

SCHEDULE 13G/A · filed Oct 30, 2025 · Common Stock · reported falling below 5%, from 5.3% in Jul 29, 2025

under 5%

Dimensional Fund Advisors LP

SCHEDULE 13G/A · filed Jul 15, 2025 · Common Stock · reported falling below 5%, from 5% in Apr 15, 2025

under 5%

Wax Asset Management, LLC

SCHEDULE 13G/A · filed Feb 13, 2026 · Common Stock · reported falling below 5%, from 7.04% in Feb 11, 2025

under 5%

What FEIM reports owning in othersstakes of 5% or more, and other ties

Frequency Electronics, Inc. reports no stake in another company in the record.

Insider tradesForm 4

2sales

0purchases

0sales on a scheduled plan

1people selling

$37.5Msold, in dollars

$0bought, in dollars

Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.

By calendar yearSoldBought

17181920212223242526

2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.

People who traded in the window1 of 23 on the roster

Person	Role as filed	Sales	Sold	On a plan	Buys	Bought
Edenbrook Long Only Value Fund, LP	director	2	$37.5M	0	0	$0

SI Assistanton FEIM · research, not advice