Companies: 10,795·Total market cap: $144.5T
Eos Energy Enterprises, Inc.

Eos Energy Enterprises, Inc.

EOSENASDAQIndustrials● Active
$6.89
$-0.20(-2.75%)
Market Cap$1.8B
P/E Ratio
52W High$19.86
52W Low$3.78
Overview

Eos Energy Enterprises, Inc. (EOSE) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · EOSE · as of Jun 8, 2026

Activity summary

Buy transactions

4

P-Purchase only

Sell transactions

23

12 Months

Buy/Sell ratio

0.17

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 15%Active transactions only · RSU vesting excluded85% Sell ↓

Eos Energy Enterprises, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

EOSE insider buying and selling by quarter

EOSE insider selling · EOSE insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
3.7M1.9M0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · EOSE ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

EOSE executive sell shares · EOSE board member insider trading · EOSE insider trading SEC filing

Showing 67 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Walters Marian

Director

Option

Date

May 28

Shares

30,000

Price

$1.18

Value

$35K

View Form 4 on SEC.gov

Walters Marian

Director

Sale

Date

May 28

Shares

30,000

Price

$9.18

Value

$275K

View Form 4 on SEC.gov

Walters Marian

Director

Option

Date

May 20

Shares

22,319

Price

$1.18

Value

$26K

View Form 4 on SEC.gov

Walters Marian

Director

Sale

Date

May 20

Shares

22,319

Price

$7.20

Value

$161K

View Form 4 on SEC.gov

McNeil Jeff

Director

Option

Date

May 19

Shares

23,111

Price

Value

View Form 4 on SEC.gov

Bornstein Jeffrey S

Director

Option

Date

May 19

Shares

30,815

Price

Value

View Form 4 on SEC.gov

Bornstein Jeffrey S

Director

Other

Date

May 19

Shares

12,326

Price

$6.88

Value

$85K

View Form 4 on SEC.gov

Demby Claude

Director

Option

Date

May 19

Shares

23,111

Price

Value

View Form 4 on SEC.gov

Demby Claude

Director

Other

Date

May 19

Shares

9,244

Price

$6.88

Value

$64K

View Form 4 on SEC.gov

DIMITRIEF ALEXANDER

Director

Option

Date

May 19

Shares

26,963

Price

Value

View Form 4 on SEC.gov

DIMITRIEF ALEXANDER

Director

Other

Date

May 19

Shares

10,785

Price

$6.88

Value

$74K

View Form 4 on SEC.gov

Nixon Gregory S.

Director

Award

Date

May 19

Shares

23,111

Price

Value

View Form 4 on SEC.gov

Nixon Gregory S.

Director

Other

Date

May 19

Shares

9,244

Price

$6.88

Value

$64K

View Form 4 on SEC.gov

Walters Marian

Director

Option

Date

May 19

Shares

23,111

Price

Value

View Form 4 on SEC.gov

Walters Marian

Director

Option

Date

May 19

Shares

7,681

Price

$1.18

Value

$9K

View Form 4 on SEC.gov

Walters Marian

Director

Sale

Date

May 19

Shares

7,681

Price

$7.07

Value

$54K

View Form 4 on SEC.gov

Urban David

Director

Option

Date

May 19

Shares

23,111

Price

Value

View Form 4 on SEC.gov

Urban David

Director

Purchase

Date

Mar 9

Shares

16,250

Price

$6.16

Value

$100K

View Form 4 on SEC.gov

Mastrangelo Joe

CEO · Director

Purchase

Date

Mar 4

Shares

23,900

Price

$6.58

Value

$157K

View Form 4 on SEC.gov

DIMITRIEF ALEXANDER

Director

Purchase

Date

Mar 2

Shares

15,000

Price

$6.04

Value

$91K

View Form 4 on SEC.gov

Mastrangelo Joe

CEO · Director

Purchase

Date

Mar 2

Shares

60,000

Price

$5.75

Value

$345K

View Form 4 on SEC.gov

Kroeker Nathan

CCO and Interim CFO

Option

Date

Jan 23

Shares

100,000

Price

Value

View Form 4 on SEC.gov

Kroeker Nathan

CCO and Interim CFO

Sale

Date

Jan 26

Shares

50,000

Price

$16.04

Value

$802K

View Form 4 on SEC.gov

Silberman Michael W

Chief Legal Officer

Option

Date

Jan 22

Shares

83,334

Price

Value

View Form 4 on SEC.gov

Silberman Michael W

Chief Legal Officer

Sale

Date

Jan 23

Shares

41,667

Price

$17.74

Value

$739K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 3

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About EOSE insider trading

EOSE insider trades

Eos Energy Enterprises, Inc. (EOSE) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Stidolph Russell Monoki (Director), Walters Marian (Director), Kroeker Nathan (CCO and Interim CFO). Over the past 12 months, 5 insiders have filed transactions with the SEC. EOSE insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Eos Energy Enterprises, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

EOSE insider trading · 5 questions

The insiders of Eos Energy Enterprises, Inc. (EOSE) include executives and directors such as Stidolph Russell Monoki (Director), Walters Marian (Director), Kroeker Nathan (CCO and Interim CFO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

EOSE board member insider tradingwho are EOSE insidersEOSE insider rosterEos Energy Enterprises, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026