EOSE
Eos Energy-A (EOSE)
NASDAQ
$4.51+$0.16 (+3.56%)
Price as of Jul 14, 2026 10:27 AM EDT
  • $1.5B
    Market Cap
  • -18.99%
    1-Year Change
  • Electrical Equipment & Parts
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
8.32%
24.1M
+657,163 (+2.73%)
Mar 31, 2026
VANGUARD GROUP INC
6.43%
18.6M
+3.1M (+16.54%)
Dec 31, 2025
DRIEHAUS CAPITAL MANAGEMENT LLC
5.13%
14.9M
+598,876 (+4.03%)
Mar 31, 2026
N/A
5.12%
14.8M
+14.8M (+100.00%)
Mar 31, 2026
TWO SIGMA INVESTMENTS, LP
4.86%
14.1M
+8.7M (+61.99%)
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
2.96%
8.6M
-700,800 (-8.17%)
Mar 31, 2026
CITADEL ADVISORS LLC
2.89%
8.4M
-1.0M (-12.14%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions1.5B (78.26%)
  • Mutual Funds409.2M (21.32%)
  • Insiders8.2M (0.43%)
  • Other0 (0.00%)

Insider Transactions

  • 0.43% (8.2M)
    Current InsiderOwnership (%, shares)
  • 3
    Number of InsiderBuying (last 12 months)
  • $19.3M
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $24.6M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Buczkowski Michelle
Chief Administration Officer
Sell
Jun 30, 2026
$67,323.03
11,469
$5.87
59,242
Mastrangelo Joe
Chief Executive Officer
In Kind
Jun 30, 2026
$369,681.27
60,703
$6.09
1.6M
Buczkowski Michelle
Chief Administration Officer
Exempt
Jun 26, 2026
$0.00
22,938
$0.00
45,876
Mastrangelo Joe
Chief Executive Officer
Exempt
Jun 26, 2026
$0.00
130,570
$0.00
261,140
Buczkowski Michelle
Chief Administration Officer
Exempt
Jun 26, 2026
$0.00
22,938
$0.00
70,711
Mastrangelo Joe
Chief Executive Officer
Exempt
Jun 26, 2026
$0.00
130,570
$0.00
1.7M
Mastrangelo Joe
Chief Executive Officer
Exempt
Jun 12, 2026
$0.00
200,000
$0.00
0
Mastrangelo Joe
Chief Executive Officer
Exempt
Jun 12, 2026
$268,000.00
200,000
$1.34
1.7M
Mastrangelo Joe
Chief Executive Officer
In Kind
Jun 12, 2026
$706,874.76
116,646
$6.06
1.6M
Urban David
Buy
Mar 09, 2026
$100,100.00
16,250
$6.16
62,471
Mastrangelo Joe
Chief Executive Officer
Buy
Mar 04, 2026
$157,262.00
23,900
$6.58
1.5M
DIMITRIEF ALEXANDER
Buy
Mar 02, 2026
$90,600.00
15,000
$6.04
235,221
Mastrangelo Joe
Chief Executive Officer
Buy
Mar 02, 2026
$345,000.00
60,000
$5.75
1.5M
Kroeker Nathan
CCO and Interim CFO
Sell
Jan 26, 2026
$802,000.00
50,000
$16.04
662,512
Silberman Michael W
Chief Legal Officer
Sell
Jan 23, 2026
$739,172.58
41,667
$17.74
283,279
Kroeker Nathan
CCO and Interim CFO
Exempt
Jan 23, 2026
$0.00
100,000
$0.00
0
Kroeker Nathan
CCO and Interim CFO
Exempt
Jan 23, 2026
$0.00
100,000
$0.00
712,512
Silberman Michael W
Chief Legal Officer
Exempt
Jan 22, 2026
$0.00
83,334
$0.00
83,333
Silberman Michael W
Chief Legal Officer
Exempt
Jan 22, 2026
$0.00
83,334
$0.00
324,946
Nigro Joseph
Award
Dec 22, 2025
$0.00
3,565
$0.00
3,565
Walters Marian
Award
Dec 22, 2025
$0.00
1,782
$0.00
1,782
Puri Sumeet
Chief Accounting Officer
Sell
Sep 08, 2025
$143,096.98
20,501
$6.98
184,290
Puri Sumeet
Chief Accounting Officer
Sell
Sep 08, 2025
$145,000.00
20,000
$7.25
164,290
Puri Sumeet
Chief Accounting Officer
Exempt
Sep 05, 2025
$0.00
68,334
$0.00
68,333
Puri Sumeet
Chief Accounting Officer
Exempt
Sep 05, 2025
$0.00
68,334
$0.00
204,791
Walters Marian
Sell
Sep 03, 2025
$395,000.00
50,000
$7.90
133,794
Mastrangelo Joe
Chief Executive Officer
Sell
Jul 29, 2025
$990,001.98
166,667
$5.94
1.4M
Mastrangelo Joe
Chief Executive Officer
Exempt
Jul 25, 2025
$0.00
333,333
$0.00
666,667
Mastrangelo Joe
Chief Executive Officer
Exempt
Jul 25, 2025
$0.00
333,333
$0.00
1.6M
Kroeker Nathan
CCO and Interim CFO
Sell
Jul 08, 2025
$232,489.68
47,254
$4.92
491,054