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NASDAQ · INDUSTRIALS · Holders

Eos Energy Enterprises Inc (EOSE) Institutional Ownership & Insider Trading History

Recent insider purchases and sales for EOSE from Form 4 filings. Institutional holdings surface here when ownership sources publish.

Section freshness

Price Jun 26, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT

Source timingDetails

Data freshness

Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.

Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.

PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 hr
Provider checked •
Source: Market data provider
Analystevery 1 day
Provider checked •
Source: Market data provider
Newsevery 15 min
Latest item •
Source: Market data provider

Ownership read

EOSE insider sentiment: Mixed, sale-heavy.

27 sales and 4 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.

Review insider tradesView institutions

Insider flow

EOSE

Purchases3.25M
Sales12.57M

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

—

Institutional data pending

Insider stance

Mixed, sale-heavy

$132.99M sold / $20.00M bought

Latest filing

Jun 12, 2026

Most recent holder or insider filing date

Filings shown

116

0 holder / 116 insider

Holder rows
Pending
Market data source
Latest filing
Jun 12, 2026
Most recent holder or insider filing date
Increased / initiated
Pending
0 decreased
Insider rows
116
Market data source

Recent insider transactions

Eos Energy Enterprises Inc (EOSE) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

Mastrangelo Joe

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
—
% company
—
Price
No cash value
Value
No cash value

Filed Jun 12, 2026

Mastrangelo Joe

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
1.57M
% company
0.46%
Price
$6.06
Value
$9,517,109

Filed Jun 12, 2026

Mastrangelo Joe

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
1.69M
% company
0.50%
Price
$1.34
Value
$2,260,749

Filed Jun 12, 2026

Lagi Alessandro

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
277.77K
% company
0.08%
Price
No cash value
Value
No cash value

Filed Jun 8, 2026

Demby Claude

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
18.22K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 5, 2026

Walters Marian

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
21.25K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 5, 2026

McNeil Jeff

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
18.22K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 5, 2026

Urban David

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
18.22K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 5, 2026

Nigro Joseph

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
24.29K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 5, 2026

DIMITRIEF ALEXANDER

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
21.25K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 5, 2026

Bornstein Jeffrey S

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
24.29K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 5, 2026

Nixon Gregory S.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
18.22K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed Jun 5, 2026

Showing 12 of 116 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders

Frequently asked

Common questions.

Who are the largest EOSE shareholders?

Eos Energy Enterprises Inc (EOSE) institutional holders are ranked by reported share count when ownership data publishes filing rows.

What is institutional ownership of EOSE?

Eos Energy Enterprises Inc (EOSE) institutional ownership appears when filing-based market data returns holder rows. TECHi does not fill unavailable ownership fields with placeholder shareholders.

Where can I see Eos Energy Enterprises Inc insider transactions?

Eos Energy Enterprises Inc (EOSE) has 116 Form 4 insider transactions on file, most recently on Jun 12, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.

Are EOSE insiders buying or selling?

Recent EOSE insider activity reads Mixed, sale-heavy: 27 sales and 4 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.

Who is the most active EOSE insider?

Mastrangelo Joe is the most active EOSE insider by absolute share movement, with 13.09 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.