Eos Energy Enterprises, Inc.

By person

24 insiders · 135 transactions

2.2×

Joe Mastrangelo holds only 2.2 times base salary in stock. $9.05M of shares against $4.01M in salary for 2025.

Salary from the company's own proxy. The shares are what Joe Mastrangelo last reported holding, valued at $3.92, the price Common Stock was last bought or sold at on the open market here, on 16 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

Stidolph Russell Monoki

Director

$199.22K (2)

$11.47M (4)

−$11.27M

6,956,920

$27.27M

−38.6%

Mastrangelo Joe

Chief Executive Officer

$995.69K (8)

$5.02M (5) scheduled

−$4.03M

2,308,704

$9.05M

—

Kroeker Nathan

Chief Commercial Officer

$8.58K (1)

$3.75M (8) scheduled

−$3.74M

887,527

$3.48M

—

BRC Group Holdings, Inc. entity

10% owner

$46.62M (15)

$43.90M (32)

+$2.72M

14,967,526

$58.67M

+24.7%

Silberman Michael W

Chief Legal Officer

—

$1.91M (4) scheduled

−$1.91M

298,277

$1.17M

—

Walters Marian

Director

$17.80K (1)

$1.68M (5) scheduled

−$1.66M

176,634

$692.41K

—

Shribman Daniel

Former Director

$57.87K (2)

$1.27M (3)

−$1.21M

1,061,670

$4.16M

+3.3%

Puri Sumeet

Chief Accounting Officer

—

$1.10M (8) scheduled

−$1.10M

280,195

$1.10M

—

Bornstein Jeffrey S

Director

$25.94K (1)

$1.04M (4)

−$1.01M

143,806

$563.72K

−4.6%

Gonzales Randall B

Chief Financial Officer

$221.24K (2)

—

+$221.24K

188,094

$737.33K

+93,947%

DIMITRIEF ALEXANDER

Director

$465.71K (8)

$270.00K (1)

+$195.71K

280,673

$1.10M

—

Urban David

Director

$100.10K (1)

—

+$100.10K

97,767

$383.25K

—

Buczkowski Michelle

Chief Commercial Officer

—

$67.32K (1) scheduled

−$67.32K

61,827

$242.36K

+29.4%

Song Haiyan

Director

$58.70K (2)

—

+$58.70K

15,000

$58.80K

—

Tedone John J

Chief Accounting Officer

$19.25K (1)

—

+$19.25K

25,487

$99.91K

+218.6%

Berube Melissa

General Counsel

$7.08K (1)

—

+$7.08K

171,836

$673.60K

—

Demby Claude

Director

$50.03K (1)

$56.00K (1)

−$5.97K

157,400

$617.01K

—

Zibelman Audrey Ann

Director

$184.50 (1)

—

+$184.50

104,897

$411.20K

—

Singh Krishna Pal

Director

—

5,589,418

$21.91M

+6.6%

McNeil Jeff

Director

—

122,290

$479.38K

—

Kurada Sagar

Chief Financial officer

—

66,939

$262.40K

—

Nigro Joseph

Director

—

41,723

$163.55K

—

Nixon Gregory S.

Director

—

13,867

$54.36K

—

SPRING CREEK CAPITAL LLC entity

10% owner

—

$0.00

−100.0%

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Kroeker Nathan

21 Jul 2026

Chief Commercial Officer

Exercised, kept

16,944

$5.48

$92.85K

Demby Claude

21 Jul 2026

Director

Exercised, kept

1,825

$5.48

$10.00K

Buczkowski Michelle

21 Jul 2026

Chief Administration Officer

Exercised, kept

2,585

$5.48

$14.17K

Nigro Joseph

21 Jul 2026

Director

Exercised, kept

2,773

$5.48

$15.20K

Urban David

21 Jul 2026

Director

Exercised, kept

12,185

$5.48

$66.77K

Bornstein Jeffrey S

21 Jul 2026

Director

Exercised, kept

9,558

$5.48

$52.38K

Walters Marian

21 Jul 2026

Director

Exercised, kept

11,407

$5.48

$62.51K

DIMITRIEF ALEXANDER

21 Jul 2026

Director

Exercised, kept indirect

1,377

$5.48

$7.55K

DIMITRIEF ALEXANDER

21 Jul 2026

Director

Exercised, kept

17,897

$5.48

$98.08K

Mastrangelo Joe

21 Jul 2026

Chief Executive Officer

Exercised, kept

111,118

$5.48

$608.93K

Mastrangelo Joe

12 Jun 2026

Chief Executive Officer

Exercised, kept

200,000

$1.34

$268.00K

DIMITRIEF ALEXANDER

5 Dec 2025

Director

Exercised, kept

18,473

$14.43

$266.57K

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Eos Energy Enterprises, Inc.

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