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Eos Energy Enterprises, Inc.

EOSE Net selling
CIK 0001805077 #2400 in the set updated 17 Sep 2026
Bought (120 mo)
$48.85M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$71.54M
$7.43M on a plan · $5.26M straight out of an exercise
Sold at will
$58.84M
48 of 76 sales
Net
−$22.69M
−$9.99M against sales at will

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
$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

135
Insider
Date
Role
Action
Shares
Price
Amount
Mastrangelo Joe
16 Sep 2026
Chief Executive Officer
Sold on a plan
250,000
$3.92
$980.00K
Puri Sumeet
16 Sep 2026
Chief Accounting Officer
Sold on a plan
43,750
$3.92
$171.50K
Song Haiyan
14 Sep 2026
Director
Buy
5,000
$3.84
$19.20K
Song Haiyan
11 Sep 2026
Director
Buy
10,000
$3.95
$39.50K
Puri Sumeet
9 Sep 2026
Chief Accounting Officer
Sold on a plan
34,167
$4.13
$141.11K
Kroeker Nathan
28 Jul 2026
Chief Commercial Officer
Sold on a plan
110,417
$3.36
$371.00K
Puri Sumeet
28 Jul 2026
Chief Accounting Officer
Sold on a plan
29,167
$3.36
$98.00K
Mastrangelo Joe
27 Jul 2026
Chief Executive Officer
Sell
159,154
$3.61
$574.55K
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
Kroeker Nathan
7 Jul 2026
CCO and Interim CFO
Sold on a plan
79,309
$4.68
$371.17K
Kroeker Nathan
30 Jun 2026
CCO and Interim CFO
Sold on a plan
35,289
$5.86
$206.79K
Silberman Michael W
30 Jun 2026
Chief Legal Officer
Sold on a plan
14,998
$5.87
$88.04K
Buczkowski Michelle
30 Jun 2026
Chief Administration Officer
Sold on a plan
11,469
$5.87
$67.32K
Puri Sumeet
30 Jun 2026
Chief Accounting Officer
Sold on a plan
8,823
$5.86
$51.70K
Mastrangelo Joe
12 Jun 2026
Chief Executive Officer
Exercised, kept
200,000
$1.34
$268.00K
Walters Marian
28 May 2026
Director
Sold after exercise
30,000
$9.18
$275.40K
Walters Marian
20 May 2026
Director
Sold after exercise
22,319
$7.20
$160.70K
Walters Marian
19 May 2026
Director
Sold after exercise
7,681
$7.07
$54.30K
Urban David
9 Mar 2026
Director
Buy
16,250
$6.16
$100.10K
Mastrangelo Joe
4 Mar 2026
Chief Executive Officer
Buy
23,900
$6.58
$157.26K
Mastrangelo Joe
2 Mar 2026
Chief Executive Officer
Buy
60,000
$5.75
$345.00K
DIMITRIEF ALEXANDER
2 Mar 2026
Director
Buy
15,000
$6.04
$90.60K
Kroeker Nathan
26 Jan 2026
CCO and Interim CFO
Sold on a plan
50,000
$16.04
$802.00K
Silberman Michael W
23 Jan 2026
Chief Legal Officer
Sold on a plan
41,667
$17.74
$739.17K
Stidolph Russell Monoki
8 Dec 2025
Director
Sold after exercise
235,367
$14.89
$3.50M
Stidolph Russell Monoki
8 Dec 2025
Director
Sold after exercise
768
$14.80
$11.37K
Stidolph Russell Monoki
8 Dec 2025
Director
Sold after exercise indirect
29,999
$15.36
$460.78K
Bornstein Jeffrey S
5 Dec 2025
Director
Sell
32,328
$15.05
$486.54K
DIMITRIEF ALEXANDER
5 Dec 2025
Director
Exercised, kept
18,473
$14.43
$266.57K
Stidolph Russell Monoki
5 Dec 2025
Director
Sell indirect
500,000
$14.99
$7.50M
Walters Marian
4 Dec 2025
Director
Sold after exercise
50,000
$15.81
$790.50K
Bornstein Jeffrey S
4 Dec 2025
Director
Sell indirect
8,000
$15.75
$126.00K
Puri Sumeet
8 Sep 2025
Chief Accounting Officer
Sold on a plan
20,000
$7.25
$145.00K
Puri Sumeet
8 Sep 2025
Chief Accounting Officer
Sold on a plan
20,501
$6.98
$143.10K
Walters Marian
3 Sep 2025
Director
Sell
50,000
$7.90
$395.00K
DIMITRIEF ALEXANDER
4 Aug 2025
Director
Sell
45,000
$6.00
$270.00K
Puri Sumeet
29 Jul 2025
Chief Accounting Officer
Sold on a plan
17,500
$5.94
$103.95K
Silberman Michael W
29 Jul 2025
General Counsel
Sold on a plan
65,625
$5.94
$389.81K
Kroeker Nathan
29 Jul 2025
CCO and Interim CFO
Sold on a plan
99,375
$5.94
$590.29K
Mastrangelo Joe
29 Jul 2025
Chief Executive Officer
Sold on a plan
166,667
$5.94
$990.00K
Mastrangelo Joe
8 Jul 2025
Chief Executive Officer
Sold on a plan
127,152
$4.92
$625.59K
Kroeker Nathan
8 Jul 2025
CCO and Interim CFO
Sold on a plan
47,254
$4.92
$232.49K
Kroeker Nathan
7 Jul 2025
CCO and Interim CFO
Sold on a plan
24,124
$5.21
$125.69K
Puri Sumeet
16 May 2025
Chief Accounting Officer
Sell
36,173
$6.86
$248.15K
Silberman Michael W
16 May 2025
General Counsel
Sell
100,943
$6.86
$692.47K
Kroeker Nathan
16 May 2025
Chief Commercial Officer
Sell
152,856
$6.86
$1.05M
Mastrangelo Joe
16 May 2025
Chief Executive Officer
Sell
270,384
$6.86
$1.85M
Bornstein Jeffrey S
12 Sep 2024
Director
Sell
30,000
$2.62
$78.60K
Bornstein Jeffrey S
12 Sep 2024
Director
Sell indirect
132,720
$2.63
$349.05K
DIMITRIEF ALEXANDER
16 Aug 2024
Director
Buy
2,000
$1.91
$3.82K
DIMITRIEF ALEXANDER
15 Aug 2024
Director
Buy
1,000
$1.87
$1.87K
DIMITRIEF ALEXANDER
13 Aug 2024
Director
Buy
2,000
$1.68
$3.35K
Mastrangelo Joe
9 Aug 2024
Chief Executive Officer
Buy
52,800
$1.43
$75.50K
DIMITRIEF ALEXANDER
8 Mar 2024
Director
Buy indirect
5,000
$1.13
$5.64K
Mastrangelo Joe
21 Sep 2023
Chief Executive Officer
Buy
36,500
$2.05
$74.81K
Demby Claude
7 Sep 2023
Director
Sell
20,143
$2.78
$56.00K
Kroeker Nathan
28 Jul 2023
Chief Financial Officer
Buy
4,000
$2.15
$8.58K
Mastrangelo Joe
28 Jul 2023
Chief Executive Officer
Buy
31,199
$2.23
$69.57K
DIMITRIEF ALEXANDER
28 Jul 2023
Director
Buy indirect
5,000
$2.13
$10.64K
Shribman Daniel
10 Nov 2022
Former Director
Sell
50,000
$1.17
$58.51K
Stidolph Russell Monoki
10 Nov 2022
Director
Buy
79,850
$1.24
$99.17K
Bornstein Jeffrey S
10 Nov 2022
Director
Buy
20,000
$1.30
$25.94K
Mastrangelo Joe
10 Nov 2022
Chief Executive Officer
Buy
65,000
$1.15
$74.74K
Shribman Daniel
9 Nov 2022
Former Director
Sell
281,750
$1.21
$341.09K
Shribman Daniel
8 Nov 2022
Former Director
Sell
662,000
$1.31
$866.23K
Shribman Daniel
12 May 2022
Director
Buy
15,000
$1.44
$21.67K
Gonzales Randall B
12 May 2022
Chief Financial Officer
Buy
70,000
$1.45
$101.84K
Mastrangelo Joe
12 May 2022
Chief Executive Officer
Buy
70,000
$1.40
$98.00K
Stidolph Russell Monoki
12 May 2022
Director
Buy
71,500
$1.40
$100.05K
Shribman Daniel
3 Mar 2022
Director
Buy
10,000
$3.62
$36.20K
Walters Marian
3 Mar 2022
Director
Buy indirect
5,000
$3.56
$17.80K
Zibelman Audrey Ann
3 Mar 2022
Director
Buy
50
$3.69
$184.50
Demby Claude
3 Mar 2022
Director
Buy
13,200
$3.79
$50.03K
Tedone John J
1 Mar 2022
Chief Accounting Officer
Buy
7,000
$2.75
$19.25K
Gonzales Randall B
1 Mar 2022
Chief Financial Officer
Buy
43,500
$2.75
$119.41K
Berube Melissa
1 Mar 2022
General Counsel
Buy
2,650
$2.67
$7.08K
DIMITRIEF ALEXANDER
1 Mar 2022
Director
Buy
20,000
$2.92
$58.40K
Mastrangelo Joe
1 Mar 2022
Chief Executive Officer
Buy
35,000
$2.88
$100.80K
BRC Group Holdings, Inc.
17 Nov 2021
10% owner
Sell indirect
2,952
$11.00
$32.47K
BRC Group Holdings, Inc.
16 Nov 2021
10% owner
Sell indirect
113,228
$11.00
$1.25M
BRC Group Holdings, Inc.
15 Nov 2021
10% owner
Sell indirect
145,055
$10.99
$1.59M
BRC Group Holdings, Inc.
12 Nov 2021
10% owner
Sell indirect
23,377
$11.01
$257.41K
BRC Group Holdings, Inc.
10 Nov 2021
10% owner
Sell indirect
65,589
$11.62
$762.10K
BRC Group Holdings, Inc.
8 Nov 2021
10% owner
Sell indirect
45,963
$11.99
$551.10K
BRC Group Holdings, Inc.
15 Oct 2021
10% owner
Sell indirect
6,521
$12.85
$83.79K
BRC Group Holdings, Inc.
14 Oct 2021
10% owner
Sell indirect
600
$12.85
$7.71K
BRC Group Holdings, Inc.
1 Oct 2021
10% owner
Sell indirect
87,714
$14.23
$1.25M
BRC Group Holdings, Inc.
30 Sep 2021
10% owner
Sell indirect
44,172
$14.11
$623.28K
BRC Group Holdings, Inc.
29 Sep 2021
10% owner
Sell indirect
60,731
$14.15
$859.42K
BRC Group Holdings, Inc.
28 Sep 2021
10% owner
Sell indirect
12,427
$14.11
$175.35K
BRC Group Holdings, Inc.
27 Sep 2021
10% owner
Sell indirect
60,143
$14.10
$848.23K
BRC Group Holdings, Inc.
17 Sep 2021
10% owner
Sell indirect
5,000
$13.77
$68.84K
BRC Group Holdings, Inc.
17 Sep 2021
10% owner
Sell indirect
5,000
$13.77
$68.84K
BRC Group Holdings, Inc.
17 Sep 2021
10% owner
Sell indirect
5,000
$13.77
$68.84K
BRC Group Holdings, Inc.
17 Sep 2021
10% owner
Sell indirect
5,000
$13.77
$68.84K
BRC Group Holdings, Inc.
17 Sep 2021
10% owner
Sell
18,231
$13.81
$251.79K
BRC Group Holdings, Inc.
9 Sep 2021
10% owner
Sell indirect
25,371
$13.41
$340.23K
BRC Group Holdings, Inc.
8 Sep 2021
10% owner
Sell indirect
300
$13.60
$4.08K
BRC Group Holdings, Inc.
7 Sep 2021
10% owner
Sell indirect
38,544
$13.78
$531.09K
BRC Group Holdings, Inc.
3 Sep 2021
10% owner
Sell indirect
30,576
$13.65
$417.34K
BRC Group Holdings, Inc.
2 Sep 2021
10% owner
Sell indirect
28,991
$13.71
$397.52K
BRC Group Holdings, Inc.
1 Sep 2021
10% owner
Sell indirect
91,727
$13.70
$1.26M
BRC Group Holdings, Inc.
30 Aug 2021
10% owner
Sell indirect
970
$14.03
$13.61K
BRC Group Holdings, Inc.
27 Aug 2021
10% owner
Sell indirect
100,000
$13.91
$1.39M
BRC Group Holdings, Inc.
26 Aug 2021
10% owner
Sell indirect
50,000
$13.85
$692.34K
BRC Group Holdings, Inc.
25 Aug 2021
10% owner
Sell indirect
23,521
$13.55
$318.82K
BRC Group Holdings, Inc.
25 Aug 2021
10% owner
Sell indirect
8,431
$13.55
$114.28K
BRC Group Holdings, Inc.
24 Aug 2021
10% owner
Sell indirect
94,598
$13.53
$1.28M
DIMITRIEF ALEXANDER
17 Dec 2020
Director
Buy
20,000
$14.57
$291.40K
BRC Group Holdings, Inc.
13 Nov 2020
10% owner
Buy indirect
2,200
$10.42
$22.92K
BRC Group Holdings, Inc.
12 Nov 2020
10% owner
Buy indirect
86,593
$10.33
$894.56K
BRC Group Holdings, Inc.
11 Nov 2020
10% owner
Buy indirect
419,971
$10.18
$4.28M
BRC Group Holdings, Inc.
10 Nov 2020
10% owner
Sell indirect
2,050,000
$10.12
$20.75M
BRC Group Holdings, Inc.
10 Nov 2020
10% owner
Buy indirect
668,045
$10.12
$6.76M
BRC Group Holdings, Inc.
9 Nov 2020
10% owner
Buy indirect
200,000
$10.13
$2.03M
BRC Group Holdings, Inc.
9 Nov 2020
10% owner
Buy indirect
881,687
$10.13
$8.93M
BRC Group Holdings, Inc.
6 Nov 2020
10% owner
Sell indirect
740,000
$10.25
$7.59M
BRC Group Holdings, Inc.
6 Nov 2020
10% owner
Buy indirect
754,002
$10.10
$7.62M
BRC Group Holdings, Inc.
6 Nov 2020
10% owner
Buy indirect
48,210
$10.25
$494.15K
BRC Group Holdings, Inc.
6 Nov 2020
10% owner
Buy indirect
10,000
$10.10
$101.00K
BRC Group Holdings, Inc.
6 Nov 2020
10% owner
Buy indirect
4,900
$10.10
$49.48K
BRC Group Holdings, Inc.
6 Nov 2020
10% owner
Buy indirect
2,785
$10.25
$28.55K
BRC Group Holdings, Inc.
6 Nov 2020
10% owner
Buy indirect
300
$10.10
$3.03K
BRC Group Holdings, Inc.
6 Nov 2020
10% owner
Buy indirect
100
$10.11
$1.01K
BRC Group Holdings, Inc.
5 Nov 2020
10% owner
Buy indirect
1,037,633
$10.10
$10.48M
BRC Group Holdings, Inc.
4 Nov 2020
10% owner
Buy indirect
490,000
$10.08
$4.94M

What was left out

Form 4 filings counted 269
Amendments (4/A) skipped 5
Filings about a different issuer 0
Unreadable filings 0
Joint filings 31
Sales on a Rule 10b5-1 plan 21
Sales straight out of an exercise 7
Sales at will 48
Transactions with no price 0
Shares from compensation/vesting 28,813,362
Sales filed before the plan box existed 35
History held since 22 May 2020